//
//-----------------------------------------------------
//
// handle an artificial 2C opening bid (23+ pts)
//
BOOL CArtificial2ClubConvention::RespondToConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// first see if another convention is active
if (bidState.GetActiveConvention() &&
(bidState.GetActiveConvention() != this))
return FALSE;
//
// Bidding in response to an opening 2C bid? check requirements
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersSuitSupport = bidState.nPartnersSuitSupport;
int numSupportCards = bidState.numSupportCards;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int numPartnerBidsMade = bidState.m_numPartnerBidsMade;
int nBid;
// see if this is our second response to partner's opening 2C bid
if (bidState.GetConventionStatus(this) == CONV_RESPONDED)
{
// see if we responded 2D last time
if (bidState.nPreviousBid == BID_2D)
{
status << "R2CLR2! Partner showed his best suit of " & bidState.szPS &
" in response to our negative 2D response.\n";
// what to do here???
// if partner shows a suit, adjust point count as dummy
double fAdjPts = bidState.fAdjPts = (ISSUIT(bidState.nPartnersSuit))? hand.RevalueHand(REVALUE_DUMMY, bidState.nPartnersSuit, TRUE) : bidState.fPts;
double fCardPts = bidState.fCardPts;
// adjust partnership point count minimums & maximums
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
//
if (bidState.m_fMinTPPoints <= PTS_GAME-2)
{
nBid = BID_PASS;
status << "R2CLR10! But with only " & bidState.m_fMinTPPoints & " points in the partnership, we have to pass.\n";
}
else
{
// either shift to our own suit, raise partner to game, or bid 3NT
if ((nPartnersSuitSupport >= SS_MODERATE_SUPPORT) && (nPartnersBid < bidState.GetGameBid(nPartnersSuit)))
{
nBid = bidState.GetGameBid(nPartnersSuit);
status << "R2CLR20! Raise partner's & " & bidState.szPS &
" to game at "& BTS(nBid) & ".\n";
}
else if (bidState.IsSuitOpenable(bidState.nPrefSuit) && (nPartnersBidLevel <= 3))
{
nBid = bidState.GetCheapestShiftBid(bidState.nPrefSuit);
status << "R2CLR22! Bid our own " & bidState.szPrefSS &
" suit in preference to partner's " & bidState.szPSS &
" suit .\n";
}
else if (nPartnersBid < BID_3NT)
{
nBid = BID_3NT;
status << "R2CLR25! With only " & bidState.SLTS(nPartnersSuit) &
" support for partner and no good suit of our own, bid 3NT.\n";
}
else
{
nBid = BID_PASS;
status << "R2CLR30! With only " & bidState.SLTS(nPartnersSuit) &
" support for partner and no good suit of our own, we have to pass.\n";
}
}
//
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
// mark this convention as completed
bidState.SetConventionStatus(this, CONV_FINISHED);
return FALSE;
}
//
//
// partner must've bid 2 Club at his first opportunity,
// and partner's bid must have been the first bid made
//
if ((nPartnersBid == BID_2C) && (bidState.m_bPartnerOpenedForTeam) &&
(numPartnerBidsMade == 1) &&
(nPartnersBid == pDOC->GetValidBidRecord(0)))
{
// condition valid
// record that we responded
bidState.SetConventionStatus(this, CONV_RESPONDED);
}
else
{
return FALSE;
}
// state expectations
status << "R2CLUB! Partner made an artificial bid of 2 Clubs, showing either a game suit or " &
pCurrConvSet->GetValue(tn2ClubOpeningPoints) &
"+ points. We want to respond positively if interested in a slam.\n";
// the bid is forcing to game
bidState.m_bGameForceActive = TRUE;
//
double fPts = bidState.fPts;
double fAdjPts = bidState.fAdjPts;
double fCardPts = bidState.fCardPts;
int nPrefSuit = bidState.nPrefSuit;
int nPrefSuitStrength = bidState.nPrefSuitStrength;
//
bidState.AdjustPartnershipPoints(pCurrConvSet->GetValue(tn2ClubOpeningPoints), 40 - fCardPts);
// respond negatively (2D) with < 33 points
if (bidState.m_fMinTPPoints < PTS_SLAM)
{
nBid = BID_2D;
status << "R2C04! With only " & fCardPts & "/" & fPts &
" points, we deny interest in slam by making the negative response of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
//
// else with 33+ points, state slam hopes
//
status << "2R2C08! With a total of " & bidState.m_fMinTPPoints &
"+ points in the partnership, we want to invite slam.\n";
// show an openable suit
if (nPrefSuitStrength >= SS_OPENABLE)
{
if (ISMAJOR(nPrefSuit))
nBid = MAKEBID(nPrefSuit,2);
else
nBid = MAKEBID(nPrefSuit,3);
status << "R2C14! With " & fCardPts & "/" & fPts & " points in hand, and a total of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points in the partnership, we express possible interest in slam by showing our best suit (" &
bidState.szPrefS & ") with a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
// or a SOLID suit (jump shift)
if (bidState.bPrefSuitIsSolid)
{
if (ISMAJOR(nPrefSuit))
nBid = MAKEBID(nPrefSuit,3);
else
nBid = MAKEBID(nPrefSuit,4);
status << "R2C18! With " & fCardPts & "/" & fPts & " points in hand and a total of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points in the partnership, we express interest in a slam by showing our solid " &
bidState.szPrefSS & " suit in a jump bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
// else assume a balanced hand
// with a balanced hand & >= 26 total HCPs, bid 3NT;
// with < 26 total HCPs, 2NT
if (bidState.bBalanced)
{
if (bidState.m_fMinTPCPoints >= PTS_NT_GAME)
nBid = BID_3NT;
else
nBid = BID_2NT;
status << "R2C22! With " & fCardPts &
" HCPs and a balanced hand, and a total of " &
bidState.m_fMinTPCPoints &
"+ HCPs in the partnership, we respond with " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
// else just bid the best suit
nBid = bidState.GetCheapestShiftBid(nPrefSuit, BID_2C);
status << "R2C26! With " & fCardPts & "/" & fPts &
" points but with no strong suit and an unbalanced hand, we have to respond with our best suit of " &
bidState.szPrefS & " by bidding " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
} // end of 2C opening section
//
//==========================================================
//
// Rebidding as opener after a strong 2-level opening
//
//
BOOL CArtificial2ClubConvention::HandleConventionResponse(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
int nStatus = bidState.GetConventionStatus(this);
if (nStatus <= 0)
return FALSE;
//
// estimate partner's strength
//
int nBid;
double fPts = bidState.fPts;
double fAdjPts = bidState.fAdjPts;
double fCardPts = bidState.fCardPts;
int nPrefSuit = bidState.nPrefSuit;
int nPrefSuitStrength = bidState.nPrefSuitStrength;
int nPreviousSuit = bidState.nPreviousSuit;
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersSuitSupport = bidState.nPartnersSuitSupport;
int numSupportCards = bidState.numSupportCards;
BOOL bBalanced = bidState.bBalanced;
BOOL bSemiBalanced = bidState.bSemiBalanced;
// see if this is our first rebid
if (nStatus == CONV_INVOKED_ROUND1)
{
// first check for a strange response
if ((nPartnersBid == BID_DOUBLE) || (nPartnersBid == BID_REDOUBLE))
{
// we don't understand partner's bid
return CConvention::HandleConventionResponse(player, conventions, hand, cardLocation, ppGuessedHands, bidState, status);
}
//
// did we get a negative response? (2D in response to the 2C)
//
if (nPartnersBid == BID_2D)
{
status << "CRB0! After our strong 2 Club opening, partner's 2 Diamond bid is a negative response, denying slam values (less than 1 Quick Trick).\n";
// estimate points -- 0 to 6 for now
bidState.m_fPartnersMin = 0;
bidState.m_fPartnersMax = 6;
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
// bid game or slam with 26+ pts
if ((bidState.m_fMinTPCPoints >= PTS_NT_GAME) && (bidState.m_fMinTPCPoints < PTS_SMALL_SLAM))
{
if (bBalanced || bSemiBalanced)
{
nBid = BID_3NT;
status << "CRB1! With a balanced distribution and " &
fCardPts & " HCPs in hand, rebid " & BTS(nBid) & ".\n";
}
else if ( (ISMAJOR(nPrefSuit) && (bidState.m_fMinTPPoints >= PTS_MAJOR_GAME)) ||
(ISMINOR(nPrefSuit) && (bidState.m_fMinTPPoints >= PTS_MINOR_GAME)) )
{
nBid = bidState.GetGameBid(nPrefSuit);
status << "CRB2! With no help from partner, we have to unilaterally push on to game at " & BTS(nBid) & ".\n";
}
bidState.SetConventionStatus(this, CONV_FINISHED);
}
else if ((bidState.m_fMinTPCPoints >= PTS_SMALL_SLAM) && (bidState.m_fMinTPCPoints < PTS_GRAND_SLAM))
{
if (bBalanced || bSemiBalanced)
{
nBid = BID_6NT;
status << "CRB4! With a balanced distribution and " &
fCardPts & " HCPs in hand, bid a slam at " & BTS(nBid) & ".\n";
}
else
{
nBid = MAKEBID(nPrefSuit, 6);
status << "CRB5! With no help from partner but with a total of " & bidState.m_fMinTPPoints &
" points in the partnership, we have to unilaterally push on to a slam at " & BTS(nBid) & ".\n";
}
bidState.SetConventionStatus(this, CONV_FINISHED);
}
else if (bidState.m_fMinTPCPoints >= PTS_GRAND_SLAM)
{
if (bBalanced || bSemiBalanced)
{
nBid = BID_7NT;
status << "CRB6! With a balanced distribution and " &
fCardPts & " HCPs in hand, bid a grand slam at " & BTS(nBid) & ".\n";
}
else
{
nBid = MAKEBID(nPrefSuit, 7);
status << "CRB5! With no help from partner but with a total of " & bidState.m_fMinTPPoints &
" points in the partnership, we have to unilaterally push on to a grand slam at " & BTS(nBid) & ".\n";
}
bidState.SetConventionStatus(this, CONV_FINISHED);
}
else
{
// else show our preferred suit and see if partner bids again
nBid = bidState.GetCheapestShiftBid(nPrefSuit);
status << "CRB8! Show our strongest suit (" & bidState.szPrefS &
") with a bid of " & BTS(nBid) & ".\n";
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND2);
}
//
bidState.SetBid(nBid);
return TRUE;
}
//
// otherwise, we got a positive response, and partner has shown
// his long suit -- so either raise partner's suit, bid NT, or
// rebid our own suit
//
status << "2CRB20! After our strong 2 Club opening, partner's " & bidState.szPB &
" bid was a positive response, indicating 7+ pts and 1+ Quick Tricks.\n";
// estimate points -- 7+ pts for now
bidState.m_fPartnersMin = 7;
bidState.m_fPartnersMax = MIN(22, 40 - fCardPts);
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
// respond to partner's NT bid here
// bid No Trump if reasonably balanced or have poor support
if (nPartnersBid == BID_2NT)
{
if ( bidState.bSemiBalanced ||
((nPartnersSuitSupport <= SS_WEAK_SUPPORT) && (bBalanced)) )
{
if (bidState.m_fMinTPCPoints >= PTS_SLAM)
nBid = BID_6NT;
else
nBid = BID_3NT;
if (ISSUIT(nPartnersSuit))
status << "CRB21! With a balanced hand and " &
bidState.SLTS(nPartnersSuit) & " support for partner's " & bidState.szPS &
", plus a total of " & bidState.m_fMinTPCPoints & "-" & bidState.m_fMaxTPCPoints &
" HCPs in the partnership, move to Notrump and bid " &
((BID_LEVEL(nBid) >= 6)? "slam" : "game") & " at " & BTS(nBid) & ".\n";
else
status << "CRB22! With a " & (!bBalanced? "semi-" : "") &
"balanced hand and a total of " &
bidState.m_fMinTPCPoints & "-" & bidState.m_fMaxTPCPoints &
" HCPs in the partnership, raise partner to " & ((BID_LEVEL(nBid) >= 6)? "slam" : "game") &
" at " & BTS(nBid) & ".\n";
}
else
{
// we're not balanced, so show our preferred suit if possible
nBid = bidState.GetCheapestShiftBid(nPrefSuit);
status << "CRB25! We don't like Notrump, so so bid our " &
bidState.szPrefS & " suit at " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}
// raise partner's suit if possible
if ((nPartnersSuit != NOTRUMP) && (nPartnersSuitSupport >= SS_GOOD_SUPPORT))
{
// double raise partner if major, or go directly to Blackwood
// if minor (double raise from 3C or 3D would exceed 4NT
if (ISMAJOR(nPartnersSuit))
{
bidState.m_nAgreedSuit = nPartnersSuit;
nBid = bidState.GetGameBid(nPartnersSuit);
BOOL bJumped = (nPartnersBidLevel == 2);
status << "CRB28! With " & bidState.SLTS(nPartnersSuit) &
" support for partner's " & bidState.szPS &
" (holding " & bidState.szHP &
"), go ahead and " & (bJumped? "jump" : "") &
" raise to " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
}
else
{
status << "CRB32! We have " & bidState.SLTS(nPartnersSuit) &
" support for partner's " & bidState.szPS &
" (holding " & bidState.szHP & "), so push towards slam.\n";
bidState.InvokeBlackwood(nPartnersSuit);
bidState.SetConventionStatus(this, CONV_FINISHED);
}
return TRUE;
}
// else show our preferred suit
nBid = bidState.GetCheapestShiftBid(nPrefSuit);
status << "CRB44! But we don't like partner's " & bidState.szPSS &
" suit (holding " & bidState.szHP & "), so bid our own " &
bidState.szPrefS & " suit at " & BTS(nBid) & ".\n";
// done
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else if (nStatus == CONV_INVOKED_ROUND2)
{
// first check for a strange response
if ((nPartnersBid == BID_DOUBLE) || (nPartnersBid == BID_REDOUBLE))
{
// we don't understand partner's bid
return CConvention::HandleConventionResponse(player, conventions, hand, cardLocation, ppGuessedHands, bidState, status);
}
// partner bid another suit after our rebid of our suit
// AFTER her negative response to our opening strong 2C
int nPartnersSuit = bidState.nPartnersSuit;
if ((nPartnersSuit != NOTRUMP) && (nPartnersSuit != bidState.nPreviousSuit))
{
status << "CRB60! Partner bid " & bidState.szPB & " after we bid our " & bidState.szPVS &
" suit, indicating a strong preference for the " & bidState.szPS & " suit.\n";
// support partner's suit if we have decent holdings, else bid our own suit
if (bidState.nPartnersBid < bidState.GetGameBid(nPartnersSuit))
{
// see if we like partner's suit
if (bidState.nPartnersSuitSupport >= SS_GOOD_SUPPORT)
{
nBid = bidState.GetGameBid(nPartnersSuit);
status << "CRB62! So with " & bidState.SLTS(nPartnersSuitSupport) & " support for partner's " &
bidState.szPS & ", raise to game at " & BTS(nBid) & ".\n";
}
else
{
nBid = bidState.GetCheapestShiftBid(bidState.nPreviousSuit);
status << "CRB62! But with only " & bidState.SLTS(nPartnersSuitSupport) & " support for partner's " &
bidState.szPS & ", return to our own suit at " & BTS(nBid) & ".\n";
}
}
else
{
// partner bid game!
if (bidState.m_fMinTPPoints < PTS_SLAM)
{
// we don't have points for a slam, so pass
nBid = BID_PASS;
if (bidState.nPartnersBidLevel < 6)
status << "CRB68! Partner's " & bidState.szPB & " bid is at game level, so pass.\n";
else
status << "CRB69! Partner's " & bidState.szPB & " bid is at slam level, so pass.\n";
}
else
{
// we do have the points for a slam!
if (bidState.nPartnersBidLevel < 6)
{
nBid = BID_6NT;
status << "CRB72! While we do not have suit agreement, we have the points for a slam, so bid " &
BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "CRB74! Partner has bid slam in his suit, so pass.\n";
}
}
}
}
else if (nPartnersSuit == NOTRUMP)
{
// partner bid NT
// bid 3NT if possible
if ( bidState.bSemiBalanced ||
((nPartnersSuitSupport <= SS_WEAK_SUPPORT) && (bBalanced)) )
{
if (bidState.m_fMinTPCPoints >= PTS_SLAM)
nBid = BID_6NT;
else
nBid = BID_3NT;
if (ISSUIT(nPartnersSuit))
status << "CRB76! With a balanced hand and " &
bidState.m_fMinTPCPoints & "-" & bidState.m_fMaxTPCPoints &
" HCPs in the partnership, respond at " &
((BID_LEVEL(nBid) >= 6)? "slam" : "game") & " with a bid of " & BTS(nBid) & ".\n";
else
status << "CRB77! With a " & (!bBalanced? "semi-" : "") &
"balanced hand and a total of " &
bidState.m_fMinTPCPoints & "-" & bidState.m_fMaxTPCPoints &
" HCPs in the partnership, raise partner to " & ((BID_LEVEL(nBid) >= 6)? "slam" : "game") &
" at " & BTS(nBid) & ".\n";
}
else
{
// we're not balanced, so show our preferred suit if possible
nBid = bidState.GetCheapestShiftBid(nPrefSuit);
status << "CRB78! We don't like Notrump, so so bid our " &
bidState.szPrefS & " suit at " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}
else
{
// partner raised, which is strange!
status << "CRB80! Partner raised our " & bidState.szPVSS & " suit, which is strange, ";
if (bidState.nPartnersBid < bidState.GetGameBid(nPartnersSuit))
{
nBid = bidState.GetGameBid(bidState.nPartnersSuit);
status << "but go ahead and raise to game.";
}
else
{
nBid = BID_PASS;
status << "but since we're at game, stop here and pass.\n";
}
}
// and we're done
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
// shouldn't be here!
return FALSE;
}
//
//=========================================================
//
// RespondToConvention()
//
// respond to partner's preemptive shutout bid of 3, 4, or 5
//
BOOL CShutoutBidsConvention::RespondToConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// first see if another convention is active
if (bidState.GetActiveConvention())
return FALSE;
//
// Bidding in response to an opening preemptive shutout bid?
// check requirements
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
//
// check to see if partner did in fact make a shutout bid
//
if (((nPartnersBidLevel >= 3) && (nPartnersBidLevel <= 5)) &&
(bidState.m_numPartnerBidsMade == 1) &&
(nPartnersSuit != NOTRUMP) &&
(bidState.m_bPartnerOpenedForTeam))
{
// okay, met requirements
}
else
{
// failed the test
return FALSE;
}
//
// in general, pass a shutout bid unless we have an exceedingly
// strong hand
//
// first state expectations
bidState.m_fPartnersMin = OPEN_PTS(6);
bidState.m_fPartnersMax = OPEN_PTS(9);
status << "SHUTR0! Partner made a preemptive " & bidState.szPB &
" bid, showing a " &
((bidState.nPartnersBidLevel==3)? 7:(bidState.nPartnersBidLevel==4)? 8:9) &
"-card " & bidState.szPSS & " suit with no tricks outside the suit, and most likely " &
bidState.m_fPartnersMin & "-" & bidState.m_fPartnersMax & " points.\n";
// adjust team point estimates
double fPts = bidState.fPts;
double fAdjPts = bidState.fAdjPts;
double fCardPts = bidState.fCardPts;
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
// raise a 3 bid to game if we have enough to make game
// the requiremetns are:
// 1: 4 cards in the suit,
// 2: 5 playing tricks for a major suit, or 6 for a minor
// 3: 2 QT's, and
// 4: >= 26 team pts for a major game, or >= 29 pts for a minor game
int nBid;
int numSupportCards = bidState.numSupportCards;
int nPartnersSuitSupport = bidState.nPartnersSuitSupport;
double numQuickTricks = bidState.numQuickTricks;
int numLikelyWinners = bidState.numLikelyWinners;
double fMinTPPoints = bidState.m_fMinTPPoints;
double fMaxTPPoints = bidState.m_fMaxTPPoints;
//
if ((nPartnersBidLevel == 3) && (ISMAJOR(nPartnersSuit)) &&
(numSupportCards >= 4) && (numQuickTricks >= 2) &&
(numLikelyWinners >= 5) && (fMinTPPoints >= PTS_GAME))
{
nBid = MAKEBID(nPartnersSuit,4);
status << "SHUTR2! We have " & fCardPts & "/" & fPts & "/" & fAdjPts &
" points in hand, for a total of " & fMinTPPoints & "-" & fMaxTPPoints &
" points in the partnership, strong support for partner's long " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), plus " & numQuickTricks & " QTs and " & numLikelyWinners &
" likely winners, so we can safely bid game at " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
// raise a minor to game as above, but with 5-card
// support && 6+ winners && 28+ TPs
if ((nPartnersBidLevel <= 4) && (ISMINOR(nPartnersSuit)) &&
(numSupportCards >= 5) && (numQuickTricks >= 2) &&
(numLikelyWinners >= 6) && (fMinTPPoints >= PTS_MINOR_GAME))
{
nBid = MAKEBID(nPartnersSuit,5);
status << "SHUTR4! We have " & fCardPts & "/" & fPts & "/" & fAdjPts &
" points in hand, for a total of " & fMinTPPoints & "-" & fMaxTPPoints &
" points in the partnership, strong support for partner's long " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), plus " & numQuickTricks & " QTs and " & numLikelyWinners &
" likely winners, so we can safely bid a minor game at " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
// raise a 3 or 4 bid to slam with strong support,
// >= 32 TPs, and 4 QTs
if ((nPartnersBidLevel < 5) && (nPartnersSuitSupport >= SS_GOOD_SUPPORT) &&
(numQuickTricks >= 4) && (fMinTPPoints >= PTS_SLAM))
{
nBid = MAKEBID(nPartnersSuit,6);
status << "SHUTR6! We have " & fCardPts & "/" & fPts & "/" & fAdjPts &
" points in hand, for a total of " & fMinTPPoints & "-" & fMaxTPPoints &
" points in the partnership, " & bidState.SLTS(nPartnersSuit) &
" support for partner's long " & bidState.szPSS &
" suit (holding " & bidState.szHP & "), plus " & numQuickTricks &
" QTs, so we can safely bid a slam at " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
return TRUE;
}
// else, just pass
nBid = BID_PASS;
status << "SHUTR9! With " & fCardPts & "/" & fPts & "/" & fAdjPts &
" points in hand, for a total of " & fMinTPPoints & "-" & fMaxTPPoints &
" points in the partnership, holding " & bidState.szHP &
" in support of partner's " & bidState.szPSS & " suit, and with only " &
numQuickTricks & " QTs and " & numLikelyWinners &
" likely winners, we have no real reason to bid anything, so just pass.\n";
bidState.SetBid(nBid);
return TRUE;
}
//
//---------------------------------------------------------------
//
// RespondToConvention()
//
BOOL CCueBidConvention::RespondToConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// first see if another convention is active
if (bidState.GetActiveConvention() &&
(bidState.GetActiveConvention() != this))
return FALSE;
// basic test -- see if we had agreed on a suit last time
if (bidState.m_nAgreedSuit == NONE)
return FALSE;
// get status
int nStatus = bidState.GetConventionStatus(this);
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersPrevSuit = bidState.nPartnersPrevSuit;
int nAgreedSuit = bidState.m_nAgreedSuit;
int nSupportLevel = bidState.nPartnersSuitSupport;
int nBid;
// see if partner made a cue bid
// it needs to be a bid that commits the partnership to game,
// after a suit has been agreed upon
if ((nAgreedSuit != NONE) && (nPartnersSuit != NOTRUMP) && (nPartnersSuit != nAgreedSuit) &&
((nPartnersBid > MAKEBID(nAgreedSuit,3)) && (nPartnersBid < bidState.GetGameBid(nAgreedSuit))))
{
//NCR what if suit was previously bid by this player???
// EG: N->1H, S->2C, N->3C, S->3H 3H is NOT a cue bid, it's a response to this player's previous bid
// NCR how to test if partner's current bid was in suit previously bid ???
// NCR what about a game bid???
int nSuit = BID_SUIT(nPartnersBid);
for(int i=0; i < player.GetNumBidsMade(); i++) { // NCR had to add const to this function def
int nSuitBid = pDOC->GetBidByPlayer(player.GetPosition(), i);
if(BID_SUIT(nSuitBid) == nSuit)
return FALSE; // NCR not cue if partner bid before ???
}
// NCR-295 game bid in agreed suit???
if(bidState.IsGameBid(nPartnersBid) && (nSuit == nAgreedSuit) ) // || CheckIfSuitBid(player, BID_SUIT(nPartnersBid)))
{
return FALSE; //NCR don't treat Game bid as cue bid
}
// met the requirements
status << "CUR0! Partner made a cue bid of " & BTS(nPartnersBid) &
", hinting at slam prospects.\n";
}
else
{
// this is not a cue bid
return FALSE;
}
//
// respond to a cue bid only if we have an interest in slam
//
// only qualify if we have 30+ team points, _OR_
// strong trump support and 28+ poitns
//
if (bidState.m_fMinTPPoints >= 30)
{
// 30+ team points
status << "2CUR1! And since we have " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
"+ points in the partnership, we want to respond favorably.\n";
}
else if ((nSupportLevel >= SS_GOOD_SUPPORT) &&
(bidState.m_fMinTPPoints >= 28))
{
// good support (4 good or 5 moderate cards)
status << "2CUR2! And since we have " & bidState.SLTS(nPartnersSuit) &
" trump support, " &
((bidState.m_fMinTPPoints >= 30)? " as well as " : " albeit only with ") &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points in the partnership, we want to respond favorably.\n";
}
else
{
// insufficient strength for slam -- correct back to the agreed suit
nBid = bidState.GetCheapestShiftBid(nAgreedSuit);
status << "CUR4! But we don't have the points (only " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership) or the excellent trump support needed for a marginal slam, so we decline by returning to the agreed suit at a bid of " &
BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
//
// else we're playing along -- find the cheapest response
//
if (nStatus == CONV_INACTIVE)
{
// first invocation -- find the cheapest Ace
int nSuit = GetCheapestAce(hand, nPartnersSuit, bidState.m_nAgreedSuit);
// found a suit with an ace?
if ((nSuit != nPartnersSuit) && (nSuit != nAgreedSuit))
{
// found a suit to cue bid
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "CUR20! Respond to partner's cue bid, showing our cheapest ace (" &
STS(nSuit) & ") with a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_RESPONDED_ROUND1);
return TRUE;
}
else
{
// found no ace, or else it's in the trump suit, so either way
// just sign off at the agreed suit
nBid = bidState.GetCheapestShiftBid(nAgreedSuit);
if (hand.SuitHasCard(nSuit, ACE))
status << "CUR22! But our only Ace is in the trump suit of " &
STSS(nAgreedSuit) & ", so sign off at a bid of " & BTS(nBid) & ".\n";
else
status << "CUR24! We have no other Aces to offer, so sign off with the agreed " &
STSS(nAgreedSuit) & " suit at a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
}
else if (nStatus == CONV_RESPONDED_ROUND1)
{
// second invocation -- find cheapest King or void
// first invocation -- find teh cheapest Ace
int nSuit = GetCheapestKingOrVoid(hand, nPartnersSuit, bidState.m_nAgreedSuit);
// found an appropriate suit?
if ((nSuit != nPartnersSuit) && (nSuit != nAgreedSuit))
{
// found a suit to cue bid
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "CUR30! Respond to partner's cue bid, showing our cheapest " &
((hand.GetSuitLength(nSuit) > 0)? "King" : "void suit") &
" (in " & STS(nSuit) & ") with a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
// bidState.SetConventionStatus(this, CONV_RESPONDED_ROUND2);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else
{
// found no king or void, or else found a king in the trump suit,
// so either way, just sign off at the agreed suit
nBid = bidState.GetCheapestShiftBid(nAgreedSuit);
if (hand.SuitHasCard(nSuit, KING))
status << "CUR32! But our only Ace is in the trump suit of " &
STSS(nAgreedSuit) & ", so sign off at a bid of " & BTS(nBid) & ".\n";
else
status << "CUR34 We have no other Kings or void suits to offer, so sign off with the agreed " &
STSS(nAgreedSuit) & " suit at a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
}
else
{
// error!
bidState.SetConventionStatus(this, CONV_ERROR);
return FALSE;
}
}
//
//==========================================================
//
// Rebidding as opener after a strong 2-level opening
//
//
BOOL CStrongTwoBidsConvention::HandleConventionResponse(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
if (bidState.GetConventionStatus(this) != CONV_INVOKED)
return FALSE;
bidState.ClearConventionStatus(this);
//
// estimate partner's strength
//
int nBid;
double fPts = bidState.fPts;
double fAdjPts = bidState.fAdjPts;
double fCardPts = bidState.fCardPts;
int nPrefSuit = bidState.nPrefSuit;
int nPrefSuitStrength = bidState.nPrefSuitStrength;
int nPreviousSuit = bidState.nPreviousSuit;
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersSuitSupport = bidState.nPartnersSuitSupport;
int numSupportCards = bidState.numSupportCards;
BOOL bBalanced = bidState.bBalanced;
//
// did we get a negative response from partner?
//
if (nPartnersBid == BID_2NT)
{
status << "2S2Rb0! After our strong " & bidState.szPVB &
" opening bid, partner's 2NT bid is a negative response, denying slam values (less than 1 Quick Trick).\n";
// estimate points -- 0 to 6 for now
bidState.m_fPartnersMin = 0;
bidState.m_fPartnersMax = 6;
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
// after a negative response, bid 3NT if balanced
// with 26+ HCPs
if ((bBalanced) && (bidState.m_fMinTPCPoints >= PTS_NT_GAME))
{
nBid = BID_3NT;
status << "S2RB1! With a balanced distribution and " &
fCardPts & " HCPs in hand, rebid " & BTS(nBid) & ".\n";
}
// else show a second preferred suit if available
if (bidState.numPreferredSuits > 0)
{
int nSuit = bidState.GetRebidSuit(nPreviousSuit);
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "S2RB4! With a good second suit in " &
STS(nSuit) & ", show it in a rebid of " & BTS(nBid) & ".\n";
}
// otherwise rebid our original suit (if not 2C)
if (bidState.nPreviousBid == BID_2C)
{
nBid = bidState.GetCheapestShiftBid(nPrefSuit);
status << "S2RB6! With no other good suits, go ahead and bid our " &
bidState.szPrefS & " suit at " & BTS(nBid) & ".\n";
}
else
{
nBid = bidState.GetCheapestShiftBid(nPreviousSuit);
status << "B3E32! With no other good suits, go ahead and rebid our " &
bidState.szPVSS & " suit at " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}
//
// otherwise, got a positive response, and partner has shown
// his long suit -- so either raise partner's suit, bid NT, or
// rebid our own suit
//
status << "2S2Rb20! After our strong " & bidState.szPVB &
" opening bid, partner's " & bidState.szPB &
" bid was a positive response, indicating 1+ Quick Tricks.\n";
// estimate points -- 3+ pts for now
bidState.m_fPartnersMin = 3;
bidState.m_fPartnersMax = MIN(22, 40 - fCardPts);
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
// bid No Trump if balanced
if (bBalanced)
{
nBid = BID_3NT;
status << "With a balanced hand, bid game at " & BTS(nBid) & ".\n";
}
// see if there's a suit agreement from a strong 2 bid
if ((nPreviousSuit == nPartnersSuit) && (bidState.nLastBid != BID_2C))
{
// try for a slam; use Blackwood
status << "S2RB24! Partner's encouraging raise to " & bidState.szPB &
" indicates 1+ Quick Tricks and slam possibilities.\n";
bidState.InvokeBlackwood(nPartnersSuit);
return TRUE;
}
// raise partner's suit if possible
if (nPartnersSuitSupport >= SS_GOOD_SUPPORT)
{
// double raise partner if major, or go directly to Blackwood
// if minor (double raise from 3C or 3D would exceed 4NT
if (ISMAJOR(nPartnersSuit))
{
bidState.m_nAgreedSuit = nPartnersSuit;
nBid = MAKEBID(nPartnersSuit,nPartnersBidLevel+2);
status << "S2RB28! With " & bidState.SLTS(nPartnersSuit) &
" support for partner's " & bidState.szPS &
" (holding " & bidState.szHP &
"), go ahead and jump raise to " & BTS(nBid) & ".\n";
}
else
{
status << "S2RB32! We have " & bidState.SLTS(nPartnersSuit) &
" support for partner's " & bidState.szPS &
" (holding " & bidState.szHP &
").\n";
bidState.InvokeBlackwood(nPartnersSuit);
return TRUE;
}
}
// else show a second preferred suit if available
if (bidState.numPreferredSuits > 1)
{
int nSuit = bidState.GetRebidSuit(nPreviousSuit);
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "S2RB36! But we don't like partner's " & bidState.szPSS &
" suit (holding " & bidState.szHP &
"), and we hold a good second suit in " & STS(nSuit) &
", so show it in a rebid of " & BTS(nBid) & ".\n";
}
// otherwise rebid our original suit (if not 2C)
if (bidState.nPreviousBid == BID_2C)
{
nBid = bidState.GetCheapestShiftBid(nPrefSuit);
status << "S2RB44! But we don't like partner's " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), so bid our own " & bidState.szPrefS &
" suit at " & BTS(nBid) & ".\n";
}
else
{
nBid = bidState.GetCheapestShiftBid(nPreviousSuit);
status << "S2RB50! But we don't like partner's " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), so rebid our own " & bidState.szPVSS &
" suit at " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}
//
//===============================================================================
//
// RespondToConvention()
//
// partner bid at the 2-level (strong 2 bid)
//
// in general, partner's opening 2-bid denotes an extremely
// powerful hand. So the question is whether to try for game
// or slam. Therefore, we respond positively if we want attempt
// a slam, or negatively for game
//
BOOL CStrongTwoBidsConvention::RespondToConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// first see if another convention is active
if (bidState.GetActiveConvention())
return FALSE;
//
// Bidding in response to an opening strong 2 bid? check requirements
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersSuitSupport = bidState.nPartnersSuitSupport;
int numSupportCards = bidState.numSupportCards;
int numPartnerBidsMade = bidState.m_numPartnerBidsMade;
//
//
// partner must've bid at the 2 level, but not 2C,
// and partner's bid must have been the first bid made
//
if ((nPartnersBidLevel == 2) && (nPartnersBid != BID_2C) &&
(bidState.m_bPartnerOpenedForTeam) &&
(numPartnerBidsMade == 1) &&
(nPartnersBid == pDOC->GetValidBidRecord(0)))
{
// okay, met requirements
}
else
{
//
return FALSE;
}
//
int nBid;
double fPts = bidState.fPts;
double fAdjPts = bidState.fAdjPts;
double fCardPts = bidState.fCardPts;
int nPrefSuit = bidState.nPrefSuit;
int numPrefSuitCards = bidState.numPrefSuitCards;
double numQuickTricks = bidState.numQuickTricks;
// state expectations
bidState.m_fPartnersMin = 16;
bidState.m_fPartnersMax = 22;
status << "RSTRT! Partner made a strong 2-bid, showing a very good suit or two solid suits, 9+ playing tricks, and 4+ quick tricks. We have to respond positively if interested in slam, or negatively otherwise.\n";
// set partnership point count minimums & maximums
bidState.m_fMinTPPoints = fAdjPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = fAdjPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = fCardPts + bidState.m_fPartnersMax;
// the bid is forcing to game
bidState.m_bGameForceActive = TRUE;
//
// if we have less than 1 Quick trick, respond negatively
//
if (numQuickTricks < 1.0)
{
nBid = BID_2NT;
status << "RSTRT10! But with only " & numQuickTricks &
" QT's, we have to make the negative response of " & BTS(nBid) &
" to deny slam values.\n";
bidState.SetBid(nBid);
return TRUE;
}
//
// else we have >= 1 Quick trick, so respond positively
//
status << "2RSTRT20! We have " & numQuickTricks &
" QT's, so we can make a positive response.\n";
// if we have even half-decent support for partner's suit, show it
if (nPartnersSuitSupport >= SS_WEAK_SUPPORT)
{
nBid = MAKEBID(nPartnersSuit,3);
status << "RSTRT22! And we have " & bidState.SLTS(nPartnersSuit) &
" support for partner's long " & bidState.szPSS &
" suit (holding " & bidState.szHP &
"), so raise partner's bid to " & BTS(nBid) & ".\n";
}
else if ((nPrefSuit != nPartnersSuit) &&
(bidState.nPrefSuitStrength >= SS_OPENABLE) &&
(numPrefSuitCards >= 5))
{
// or show our own suit if we have a good 5+ suiter
int nSuit = nPrefSuit;
// jump shift if the suits is really strong
if (bidState.nPrefSuitStrength >= SS_ABSOLUTE)
{
nBid = bidState.GetJumpShiftBid(nSuit,nPartnersBid);
status << "RSTRT24! We lack good support for partner's " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), but we have an excellent " &
bidState.LEN(nSuit) & "-card suit of our own in " & STS(nSuit) &
" (holding " & bidState.SHTS(nSuit) & "), so show it in a bid of " &
BTS(nBid) & ".\n";
}
else
{
nBid = bidState.GetCheapestShiftBid(nSuit);
status << "RSTRT26! But we lack good support for partner's " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), so show our preferred " &
bidState.LEN(nSuit) & "-card " & STSS(nSuit) & " suit in a bid of " &
BTS(nBid) & ".\n";
}
}
else if ((bidState.bBalanced) && (bidState.m_fMinTPCPoints >= 26))
{
// here, we lack good support for partner's suit, and don't have a good
// suit of our own. so we jump to 3NT if we have a
// balanced hand & 26+ total HCPs
nBid = BID_3NT;
status << "RSTRT28! But we lack good support for partner's " &
bidState.szPSS & " suit (holding " & bidState.szHP &
") with a balanced hand, so jump to " &
BTS(nBid) & ".\n";
}
else
{
// here, we don't have good support for partner's
// suit, nor a good suit of our own, nor a balanced
// hand. So bid 2NT in a negative response.
nBid = BID_2NT;
status << "RSTRT40! But unfortunately we have poor support for partner's " &
bidState.szPSS & " suit (holding " & bidState.szHP &
"), no good suit of our own, and an unbalanced hand, so we have to make the negative response of " & BTS(nBid) & ".\n";
}
//
bidState.SetBid(nBid);
return TRUE;
}