//
//==========================================================
//
// Rebidding as opener after partner responds to a takeout double
//
BOOL CNegativeDoublesConvention::HandleConventionResponse(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// there's no code here for now
return FALSE;
// check status
if ((bidState.GetConventionStatus(this) != CONV_INVOKED_ROUND1) &&
(bidState.GetConventionStatus(this) != CONV_INVOKED_ROUND2))
return FALSE;
//
// get some info
//
// 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;
BOOL bBalanced = bidState.bBalanced;
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersSuitSupport = bidState.nPartnersSuitSupport;
int nPartnersPrevSuit = bidState.nPartnersPrevSuit;
int numSupportCards = bidState.numSupportCards;
// 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);
}
//
if (bidState.GetConventionStatus(this) == CONV_INVOKED_ROUND1)
{
//
//--------------------------------------------------------
// responding to partner's forced bid
// - estimate partner's strength
//
//
// did partner pass? (horror of horrors!)
//
if (nPartnersBid == BID_PASS)
{
if (bidState.nLHOBid >= BID_PASS)
status << "NGDRb10! After interference from the left-hand opponent, partner passed our takeout.\n";
else
status << "NGDRb12! Partner unexpectedly passed our takeout double, which is supposed to be forcing. Bidding will proceed as if the takeout was not made\n";
bidState.SetConventionStatus(this, CONV_FINISHED);
return FALSE;
}
// set team point estimates -- be conservative
BOOL bPartnerJumped = FALSE;
BOOL bPartnerJumpedToGame = FALSE;
int nEnemyBid = pDOC->GetValidBidRecord(0);
int nEnemyBidLevel = BID_LEVEL(nEnemyBid);
int nEnemySuit = BID_SUIT(nEnemyBid);
if (nPartnersBidLevel > (nEnemyBidLevel + 1))
bPartnerJumped = TRUE;
if (nPartnersBid == bidState.GetGameBid(nPartnersSuit))
bPartnerJumpedToGame = TRUE;
// flag to see if we doubled in preference to an overcall
BOOL bWantedToOvercall = FALSE;
//
if (nPartnersSuit == NOTRUMP)
{
//
if (nPartnersBid == BID_1NT)
{
// partner has 6-9 HCPs
bidState.m_fPartnersMin = 6;
bidState.m_fPartnersMax = 9;
}
else if (nPartnersBid == BID_2NT)
{
// partner has 10-12 HCPs, maybe more
bidState.m_fPartnersMin = 10;
bidState.m_fPartnersMax = 12;
}
else if (nPartnersBid == BID_3NT)
{
// partner has 13+ HCPs
bidState.m_fPartnersMin = 13;
bidState.m_fPartnersMax = 40 - fCardPts;
status << "NGDRb20! Partner's response of 3NT to our takeout double indicates that the opponent's suit is well stopped.\n";
}
else
{
// partner has 13+ HCPs???
status << "NGDRb21! Partner's response of " & BTS(nPartnersBid) &
" to our takeout double is unorthodox; treating it like a 3NT response.\n";
bidState.m_fPartnersMin = 13;
bidState.m_fPartnersMax = MIN(22, 40 - fCardPts);
}
// accept NT if we hold at least a semi-balanced
// and we don't have a 6-card major
if ( !(ISMAJOR(bidState.nPrefSuit) && (bidState.numPrefSuitCards >= 6)) &&
(bidState.bSemiBalanced) )
bidState.m_nAgreedSuit = NOTRUMP;
//
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;
status << "NGDRb29! Partner's response of " & BTS(nPartnersBid) &
" to our takeout double indicates " &
bidState.m_fPartnersMin & "-" & bidState.m_fPartnersMax &
" HCPs, for a total of " &
bidState.m_fMinTPCPoints & "-" & bidState.m_fMaxTPCPoints & " / " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership.\n";
}
else
{
// partner bid a suit
// see if we really intended to overcall last time
if (bidState.GetConventionStatus(&overcallsConvention) == CONV_SUBSUMED)
bWantedToOvercall = TRUE;
//
if (nPartnersSuit == nEnemySuit)
{
// partner bid the enemy suit, showing 13+ pts.
status << "NEGDRb40! Partner has responded in the enemy suit, indicating 13+ pts but no long suits.\n";
bidState.m_fPartnersMin = 13;
bidState.m_fPartnersMax = MIN(22, 40 - bidState.fCardPts);
bidState.m_bGameForceActive = TRUE;
}
else if (bPartnerJumpedToGame)
{
// partner had 13+ pts & a 5-card major
status << "NEGDRb41! Partner has jumped to game in " & STS(nPartnersSuit) &
", indicating 13+ pts and a 5+ card suit.\n";
bidState.m_fPartnersMin = 30;
bidState.m_fPartnersMax = MIN(22, 40 - bidState.fCardPts);
if (!bWantedToOvercall)
bidState.m_nAgreedSuit = nPartnersSuit;
}
else if (bPartnerJumped)
{
// partner had 10-12 pts
status << "NEGDRb42! Partner has made a jump response of " & BTS(nPartnersBid) &
", indicating 10-12 pts and a 4-5 card suit.\n";
bidState.m_fPartnersMin = 10;
bidState.m_fPartnersMax = 12;
if (!bWantedToOvercall)
bidState.m_nAgreedSuit = nPartnersSuit;
}
else
{
// partner had <= 9 pts
status << "NEGDRb43! Partner has made a minimum response of " & BTS(nPartnersBid) &
", indicating no more than 9 points.\n";
bidState.m_fPartnersMin = 0;
bidState.m_fPartnersMax = 9;
if (!bWantedToOvercall)
bidState.m_nAgreedSuit = nPartnersSuit;
}
//
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;
status << "NGDRb49! The total point count in the partnership is therefore " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts.\n";
}
//
// see if RHO bid after partner's response -- that mitigates our responsibility
// to bid again, unless partner's bid was game forcing
//
// if (bidState.nRHOBid > BID_PASS)
if ((bidState.nRHOBid > BID_PASS) &&
(bidState.nRHOBid != BID_DOUBLE) && (bidState.nRHOBid != BID_REDOUBLE))
{
status << "2NGDRb51! The right-hand opponent has " &
((bidState.nRHOBid == BID_DOUBLE)? "doubled" : "bid") &
" after partner's response, interfering with our communication.\n";
}
//
//---------------------------------------------------------------------
// see if we have an agreed suit
//
int nBid;
if (bidState.m_nAgreedSuit > NONE)
{
if (bidState.m_nAgreedSuit == NOTRUMP)
{
// we've agreed to play in NoTrump
// see if we can raise partner to a higher NT contract
if (bidState.BidNoTrumpAsAppropriate(FALSE,STOPPED_DONTCARE))
{
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
// else pass
nBid = BID_PASS;
status << "NGDRb69! With a total of " &
bidState.m_fMinTPCPoints & "-" & bidState.m_fMaxTPCPoints &
" HCPs in the partnership, we have insufficient strength to raise partner's " &
BTS(nPartnersBid) & " bid, so we have to pass.\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else
{
// we've agreed on a suit, so raise if possible
// if partner didn't jump, we may have credited him with
// zero pts, so adjust rqmts accordingly
// if partner jumped to game && we have < 32 pts, pass
if ((bPartnerJumpedToGame) && (bidState.m_fMinTPPoints < 32))
{
status << "NGDRb70! Partner jumped to game in his " & bidState.szPSS &
" suit, so with a team total of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points, we pass.\n";
bidState.SetBid(BID_PASS);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
// raise partner if possible -- bearing in mind that
// partner may have a wide range of points
// raise a major to game with 23-31 pts and 4 trumps
// or with 26-31 pts and 3 trumps
// or raise to the 3-level with 20-24 pts and 3 trumps
if ( (bidState.RaisePartnersSuit(SUIT_MAJOR,RAISE_TO_4,PTS_MAJOR_GAME-3,31,SUPLEN_4)) ||
(bidState.RaisePartnersSuit(SUIT_MAJOR,RAISE_TO_4,PTS_MAJOR_GAME,31,SUPLEN_3)) ||
(bidState.RaisePartnersSuit(SUIT_MAJOR,RAISE_TO_3,PTS_MAJOR_GAME-6,24,SUPLEN_3)))
{
if (!bPartnerJumped)
status << "NGDRb71a! (we can assume partner has some strength in the " & bidState.szPSS &
" suit, so we are shading the requirements slightly.\n";
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND2);
return TRUE;
}
// raise a minor to game with 28-32 pts and 4 trumps
// or with 29-32 pts and 3 trumps
// or raise to the 4-level with 26-28 pts and 3 trumps
// or raise to the 3-level with 23-25 pts and 3 trumps
if ( (bidState.RaisePartnersSuit(SUIT_MINOR,RAISE_TO_5,PTS_MINOR_GAME-1,PTS_SLAM-1,SUPLEN_4)) ||
(bidState.RaisePartnersSuit(SUIT_MINOR,RAISE_TO_5,PTS_MINOR_GAME,PTS_SLAM-1,SUPLEN_3)) ||
(bidState.RaisePartnersSuit(SUIT_MINOR,RAISE_TO_4,PTS_MINOR_GAME-3,PTS_MINOR_GAME-1,SUPLEN_3)) ||
(bidState.RaisePartnersSuit(SUIT_MINOR,RAISE_TO_3,PTS_MINOR_GAME-6,PTS_MINOR_GAME-4,SUPLEN_3)) )
{
if (!bPartnerJumped)
status << "NGDRb71b! We can assume partner has some strength in the " & bidState.szPSS &
" suit, so we can shade the requirements slightly.\n";
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND2);
return TRUE;
}
// with 32+ pts, invoke Blackwood
if (bidState.m_fMinTPCPoints >= 32)
{
bidState.InvokeBlackwood(bidState.m_nAgreedSuit);
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND2);
return TRUE;
}
// else pass
nBid = BID_PASS;
status << "NGDRb90! With a total of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points in the partnership, we have insufficient strength to raise partner's " &
BTS(nPartnersBid) & " bid, so we have to pass.\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
}
//
//--------------------------------------------------------------------------
// here, we have no suit agreement (e.g., partner bid the opponents' suit)
//
int nLastBid = pDOC->GetLastValidBid();
if (bBalanced)
{
// try notrumps
if (hand.IsSuitProbablyStopped(nEnemySuit))
{
status << "NGDRb80! Without clear suit agreement, and holding a blanaced hand, we want to steer towards a contract in No Trump.\n";
if (bidState.BidNoTrumpAsAppropriate(FALSE,STOPPED_DONTCARE))
{
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND2);
return TRUE;
}
}
// else pass
status << "NGDRb81! But as we do not have a proper hand to bid No Trump at the appropriate level, we have to pass.\n";
bidState.SetBid(BID_PASS);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else if (bidState.numPrefSuitCards >= 5)
{
// bid the suit
nBid = bidState.GetCheapestShiftBid(nPrefSuit, nLastBid);
if (bidState.IsBidSafe(nBid, 4))
{
if (bWantedToOvercall)
status << "NGDRb90! Partner's forced response of " & bidState.szPB &
" not withstanding, we can now show the " &
STSS(nPrefSuit) & " suit that we wanted to overcall with last round by bidding " &
BTS(nBid) & ".\n";
else
status << "NGDRb91! Without clear suit agreement, we bid our " &
bidState.numPrefSuitCards & "-card " & STSS(bidState.nPrefSuit) &
" suit at " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_INVOKED_ROUND2);
return TRUE;
}
}
//
//--------------------------------------------------------------------------
// else we have no other options, so pass
status << "NEGDRb99! We see no good fit with partner and no other options, so pass.\n";
bidState.SetBid(BID_PASS);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else
{
//
// responding after partner's second response to our takeout
//
// did partner pass?
if (nPartnersBid == BID_PASS)
{
bidState.SetConventionStatus(this, CONV_FINISHED);
return FALSE;
}
//
// otherwise, consider the choices:
//
// - with suit agreement, raise if possible
// S N S N S
// e.g., X -> 1C -> 1S -> 2S -> ???
// - without suit agreement,
// e.g., X -> 1C -> 1S -> 2H -? ???
// bid the 4th suit if we have the pts (26+)
// - without suit agreement, but if partner bids NT,
// or if we have a balanaced hand, bid NT
//
double fMinTPPoints = bidState.m_fMinTPPoints;
double fMaxTPPoints = bidState.m_fMaxTPPoints;
double fMinTPCPoints = bidState.m_fMinTPCPoints;
double fMaxTPCPoints = bidState.m_fMaxTPCPoints;
int nBid;
//
// see if we have suit agreement
//
if (nPartnersSuit == nPreviousSuit)
{
// partner raised our suit -- re-raise if possible
bidState.m_nAgreedSuit = nPreviousSuit;
if (nPartnersBid >= bidState.GetGameBid(nPreviousSuit))
{
// partner bid game or beyond
if ((nPartnersBidLevel == 7) ||
((nPartnersBidLevel == 6) && (fMinTPPoints <= 36)) )
{
nBid = BID_PASS;
status << "NGDRc10! Partner raised our " & bidState.szPVSS &
" suit to a slam, so pass.\n";
}
else if ((nPartnersBidLevel <= 6) && (fMinTPPoints >= 37))
{
nBid = MAKEBID(nPreviousSuit, 7);
status << "NGDRc11! Partner raised our " & bidState.szPVSS &
" suit to " &
((nPartnersBidLevel == 6)? "slam" : "game") &
", but we have the poitns to push to a grand slam, so bid " &
BTS(nBid) & ".\n";
}
else if ((nPartnersBidLevel < 6) && (fMinTPPoints >= 33))
{
nBid = MAKEBID(nPreviousSuit, 6);
status << "NGDRc12! Partner raised our " & bidState.szPVSS &
" suit to game, but we have the poitns for a slam, so bid " &
BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "NGDRc13! Partner raised our " & bidState.szPVSS &
" suit to game, which is acceptable with " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, so pass.\n";
}
}
else
{
// partner raised below game
// re-raise if possible
if ( (ISMAJOR(nPreviousSuit) && (fMinTPPoints >= PTS_MAJOR_GAME)) ||
(ISMINOR(nPreviousSuit) && (fMinTPPoints >= PTS_MINOR_GAME)) )
{
nBid = bidState.GetGameBid(nPreviousSuit);
status << "NGDRc20! With a total of " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, raise to game in the " &
bidState.szPVSS & " suit at " & BTS(nBid) & ".\n";
}
else
{
// else try to raise cheaply
nBid = bidState.GetCheapestShiftBid(nPreviousSuit);
if (bidState.IsBidSafe(nBid))
{
status << "NGDRc22! With a total of " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, we can raise again to " &
BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "NGDRc29! With a total of " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, we cannot safely raise any partner further, so pass.\n";
}
}
}
}
else if ((nPartnersSuit == NOTRUMP) || (bidState.bBalanced))
{
//
// partner bid NT, or else we have a balanced hand
//
if (bidState.BidNoTrumpAsAppropriate(FALSE, STOPPED_DONTCARE))
{
nBid = bidState.m_nBid;
status << "NGDRc30! With a total of " &
fMinTPCPoints & "-" & fMaxTPCPoints &
" HCPs in the partnership, we can bid " & BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
if (nPartnersSuit == NOTRUMP)
status << "NGDRc35! We're willing to accept a contract in NoTrumps, but don't have the points to raise further, so pass.\n";
else
status << "NGDRc36! We'd like to play in NoTrumps, but don't have the points to bid agian, so pass.\n";
}
}
else
{
//
// else we have no suit agreement, and can't play NT
//
//
// bid the 4th suit if we have enough pts
//
int nSuit = bidState.GetFourthSuit(nPreviousSuit, nPartnersSuit, nPartnersPrevSuit);
nBid = bidState.GetCheapestShiftBid(nSuit);
if ((fMinTPPoints >= PTS_GAME) && (nBid < bidState.GetGameBid(nSuit)))
{
status << "NGDRc40! With a total of " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership and no suit agreement, bid another suit (" &
STS(nSuit) & ") at " & BTS(nBid) & ".\n";
}
else
{
// gotta pass
nBid = BID_PASS;
if (nPartnersBid >= bidState.GetGameBid(nPartnersSuit))
status << "NGDRc45! With a total of " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, partner has gone to game in his suit at " &
bidState.szPB & ", so pass.\n";
else if (fMinTPPoints >= PTS_GAME)
status << "NGDRc46! With a total of " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, but having run out of bidding room, we have to bail out and pass.\n";
else
status << "NGDRc47! With a total of only " &
fMinTPPoints & "-" & fMaxTPPoints &
" pts in the partnership, and no agreement in suits, we have to pass.\n";
}
}
// done with the second rebid
bidState.SetBid(nBid);
bidState.ClearConventionStatus(this);
return TRUE;
}
}
//
//==========================================================
//
// 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;
}