//
//-----------------------------------------------------
//
// respond to partner's negative double
//
BOOL CNegativeDoublesConvention::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() != NULL) &&
(bidState.GetActiveConvention() != this))
return FALSE;
//
// Bidding in response to partner's negative bid? check requirements
//
// the identifying marks of a negative double are:
// 1: this must be round #1 or 2
// 2: we must have opened bidding, and
// 3: LHO must have bid over our initial bid, up to 2S
//
int nBid;
int nPartnersBid = bidState.nPartnersBid;
int nMajorSuits[2] = { 1, 1 };
if (bidState.nPreviousSuit == HEARTS)
nMajorSuits[0] = 0;
else if (bidState.nPreviousSuit == SPADES)
nMajorSuits[1] = 0;
//
if (bidState.nLHOSuit == HEARTS)
nMajorSuits[0] = 0;
else if (bidState.nLHOSuit == SPADES)
nMajorSuits[1] = 0;
// apply tests #1, 2, and 3
if ( (nPartnersBid == BID_DOUBLE) &&
((bidState.nRound == 0) || (bidState.nRound == 1)) &&
(bidState.m_bOpenedBiddingForTeam) &&
(bidState.nLHOBid > BID_PASS) && (bidState.nLHOBid <= BID_2S)
// NCR-195 bid must be suit
&& ISSUIT(BID_SUIT(bidState.nLHOBid))
)
{
//
status << "NEGDR2! Partner has bid a negative double, indicating 4+ cards in the unbid majors " &
((nMajorSuits[0] && nMajorSuits[1])? "(Hearts and Spades)" :
nMajorSuits[0]? "(Hearts)" : "(Spades)") & ".\n";
}
else
{
return FALSE;
}
//
// estimate partner's strength
//
if (bidState.nLHOBidLevel == 1)
{
// 6-9 pts for a neg dbl the 1-level (NCR TryConvention uses 19 max???)
bidState.m_fPartnersMin = OPEN_PTS(6);
bidState.m_fPartnersMax = Min(OPEN_PTS(19),40 - bidState.fCardPts); // NCR changed 9 to 19
bidState.m_fMinTPPoints = bidState.fPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = bidState.fPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = bidState.fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = bidState.fCardPts + bidState.m_fPartnersMax;
status << "2NEGDR8! Partner's negative double indicates " &
bidState.m_fPartnersMin & "-" & bidState.m_fPartnersMax &
" points, for a total in the partnership of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points.\n";
}
else
{
// 11-18 pts for a neg double at the 2 level
bidState.m_fPartnersMin = OPEN_PTS(11);
bidState.m_fPartnersMax = Min(OPEN_PTS(18),40 - bidState.fCardPts);
bidState.m_fMinTPPoints = bidState.fPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPPoints = bidState.fPts + bidState.m_fPartnersMax;
bidState.m_fMinTPCPoints = bidState.fCardPts + bidState.m_fPartnersMin;
bidState.m_fMaxTPCPoints = bidState.fCardPts + bidState.m_fPartnersMax;
status << "2NEGDRT8! Partner's negative double indicates 11+ pts, for a total in the partnership of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" points.\n";
}
//
// and respond to the bid
//
int nSuit;
double fCardPts = bidState.fCardPts;
double fPts = bidState.fPts;
int nLHOBid = bidState.nLHOBid;
int nRHOBid = bidState.nRHOBid;
//
// with support for one or the other major, raise
// but discount the majors already bid by us or LHO
//
int numHearts = hand.GetNumCardsInSuit(HEARTS);
int numSpades = hand.GetNumCardsInSuit(SPADES);
// gotta beat RHO's bid if possible
int nTopBid = nLHOBid;
if ((nRHOBid > BID_PASS) && (nRHOBid != BID_REDOUBLE))
nTopBid = nRHOBid;
// see if the majors are available
if ( (nMajorSuits[0] && nMajorSuits[1]) &&
((numHearts >= 3) || (numSpades >= 3)) )
{
// both majors are available, so pick the better one
int nSuit = bidState.PickSuperiorSuit(HEARTS,SPADES);
nBid = bidState.GetCheapestShiftBid(nSuit, nTopBid);
// see if the bid is affordable
if (bidState.IsBidSafe(nBid))
{
status << "NEGDTR20! With " & bidState.m_fMinTPPoints & " pts in the partnership and " &
" both majors available in response to the negative double, go with the " &
hand.GetNumCardsInSuit(nSuit) & "-card " & STSS(nSuit) & " suit and bid " &
BTS(nBid) & ".\n";
bidState.SetBid(nBid);
}
else
{
status << "NEGDTR21! We have both majors avaialblem but with " & bidState.m_fMinTPPoints &
" pts in the partnership, we do not have enough points to bid either suit and have to pass.\n";
bidState.SetBid(BID_PASS);
}
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else if ( ((nMajorSuits[0]) && (numHearts >= 3)) ||
((nMajorSuits[1]) && (numSpades >= 3)) )
{
// bid the suit
if ((nMajorSuits[0]) && (numHearts >= 3))
nSuit = HEARTS;
else
nSuit = SPADES;
nBid = bidState.GetCheapestShiftBid(nSuit, nTopBid);
// see if the bid is affordable
double fAdj = bidState.fAdjPts; // NCR-717 theApp.GetBiddingAgressiveness()*1.5; // NCR change test amt?
if (bidState.IsBidSafe(nBid, fAdj)) // NCR adjust???
{
status << "NEGDTR30! With " & bidState.m_fMinTPPoints & " pts in the partnership and " &
hand.GetNumCardsInSuit(nSuit) & " cards available in " &
STS(nSuit) &", bid " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
}
else
{
status << "NEGDTR31! We have " & hand.GetNumCardsInSuit(nSuit) & " cards in the " &
STSS(nSuit) & " suit, but with only " & bidState.m_fMinTPPoints &
" pts in the partnership, we can't go any higher.\n";
bidState.SetBid(BID_PASS);
}
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
//
// we have no majors available, so bid NT if possible
//
if (bidState.BidNoTrumpAsAppropriate(FALSE))
{
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
// else bid something, anything
nSuit = bidState.GetRebidSuit(bidState.nPreviousSuit);
if(nSuit == NONE) { //NCR test for no rebidable suit return
nBid = BID_1NT; // NCR Hardcoded ??? vs get cheapest
}else{
nBid = bidState.GetCheapestShiftBid(nSuit, nTopBid);
}
// NCR-415 Test if safe bid
if (!bidState.IsBidSafe(nBid, bidState.fDistPts) // NCR-592 set adj to dist pts
&& (bidState.nRHOBid > BID_PASS) ) // NCR-637 Only if RHO bid
{
nBid = BID_PASS;
status << "NEGDTR36! With a total of " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints
& " pts in the partnership, we cannot safely bid further, so pass.\n";
} // end NCR-415
else
{
if (!ISMAJOR(nSuit))
status << "NEGDTR40! Unfortunately we don't have a major to respond with, so bid " & BTS(nBid) & ".\n";
else
status << "NEGDTR41! Our best response is " & BTS(nBid) & ".\n";
}
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
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;
}