//
// PickFinalDiscardSuit()
//
int CPlayEngine::PickFinalDiscardSuit(CHandHoldings& hand)
{
// this routine is called by the declarer & defender engined when
// they absolutely can't find a card to discard
int nDiscardSuit = NONE;
// this means generally tha twe have no suits with losers,
// or that the only one with losers in the current hand is the priority suit
// so look through suits by preference for one that has losers
for(int i=3;i>=0;i--)
{
int nSuit = hand.GetSuitsByPreference(i);
CSuitHoldings& testSuit = hand.GetSuit(nSuit);
// avoid letting go of winners!
if ((testSuit.GetNumCards() > 0) && (testSuit.GetNumCards() > testSuit.GetNumWinners()))
{
nDiscardSuit = nSuit;
break;
}
}
// if we failed above, we aboslutely have no losers anywhere
// so search for a suit that has winners but no outstanding cards
// i.e., suits that we may not be able to cash
if (!ISSUIT(nDiscardSuit))
{
for(i=3;i>=0;i--)
{
int nSuit = hand.GetSuitsByPreference(i);
// see if we have cards in this suit, and no outstanding cards in the suit
if ((hand.GetNumCardsInSuit(nSuit) > 0) && (GetNumOutstandingCards(nSuit) == 0))
{
nDiscardSuit = nSuit;
break;
}
}
}
// finally, give up and get any old suit that has cards
if (!ISSUIT(nDiscardSuit))
{
for(i=3;i>=0;i--)
{
int nSuit = hand.GetSuitsByPreference(i);
if (hand.GetNumCardsInSuit(nSuit) > 0)
{
nDiscardSuit = nSuit;
break;
}
}
}
//
ASSERT(ISSUIT(nDiscardSuit));
return nDiscardSuit;
}
//
//===============================================================================
//
// TryConvention()
//
// check if we can open with a preemptive 3 or 4 bid
//
BOOL CShutoutBidsConvention::TryConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
// basic requirements: no non-pass bid must have been entered yet
if (bidState.nLastValidRecordedBid != BID_PASS)
return FALSE; // someone else has opened already
//
//--------------------------------------------------------
//
// Now check for a shutout bid of 3 or 4
//
// at the very minimum, should have a 6-card suit
//
if (hand.GetNumSuitsOfAtLeast(6) < 1)
return FALSE;
//
// first find (a) long suit
//
/*
for(i=0;i<4;i++)
{
if (hand.numCardsInSuit[i] >= 6)
{
// a 7-card suit needs 2 honors, and a a 6-card suit needs 3
if ( ((hand.GetNumCardsInSuit(i) >= 7) && (hand.GetNumhonorsInSuit(i) >= 2)) ||
((hand.GetNumCardsInSuit(i) == 6) && (hand.GetNumhonorsInSuit(i) >= 3)) )
break;
}
}
*/
// assume the long suit is the preferred one
int nSuit = hand.GetPreferredSuit();
CSuitHoldings& suit = hand.GetSuit(nSuit);
int numCards = suit.GetNumCards();
int numHonors = suit.GetNumHonors();
// a 6-card suit needs 3 honors, and a 7+ card suit needs 2
if ( ((numCards == 6) && (numHonors < 3)) ||
((numCards >= 7) && (numHonors < 2)) )
return FALSE;
//
// then check for Aces, Kings, or Queens in outside suits
int nBid;
BOOL bViolation = FALSE;
for(int i=0;i<4;i++)
{
if (i == nSuit)
continue;
// a solitary Q is okay for a Shutout bid, but any higher honors
// are not
CSuitHoldings& suit = hand.GetSuit(i);
if (suit.HasAce() || suit.HasKing())
return FALSE;
}
//
if (bidState.numCardsInSuit[nSuit] >= 8)
{
nBid = MAKEBID(nSuit,4);
status << "D00! Have a " & bidState.numCardsInSuit[nSuit] &
"-card " & STSS(nSuit) &
" suit with no tricks outside the suit, so make a shutout bid of " &
BTS(nBid) & ".\n";
}
else if (bidState.numCardsInSuit[nSuit] >= 7)
{
nBid = MAKEBID(nSuit,3);
status << "D04! Have a " & bidState.numCardsInSuit[nSuit] &
"-card " & STSS(nSuit) &
" suit with no tricks outside the suit, so make a shutout bid of " &
BTS(nBid) & ".\n";
}
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_INVOKED);
return TRUE;
}
//
//===============================================================================
//
// TryConvention()
//
// check if we can use an Gambling 3NT Bid here
//
BOOL CGambling3NTConvention::TryConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
//
// the requirements for opening a STANDARD Gambling 3NT Bid are:
// 1: a solid 7+ card minor suit,
// 2: 10-12 HCPs,
// 3: no voids or small singletons, and
// 4: no outside stoppers
//
// the requirements for opening an ACOL Gambling 3NT Bid are:
// 1: a solid 7+ card minor suit,
// 2: 16-21 HCPs,
// 3: no voids or small singletons, and
// 4: stoppers in at least 2 of the remaining 3 suits
// see which version we're playing
int bStandardGambling3NT = (pCurrConvSet->GetValue(tnGambling3NTVersion) == 0);
// see if we have any small singletons
bool bSmallSingletons = false;
if (bidState.numSingletons > 0)
{
for(int i=0; i<4; i++)
{
CSuitHoldings& suit = hand.GetSuit(i);
if ((suit.GetNumCards() == 1) && (suit[0]->GetFaceValue() < TEN))
{
bSmallSingletons = true;
break;
}
}
}
// see if we have a solid suit
int nSuit = NONE;
if (hand.GetSuit(CLUBS).IsSolid() && (bidState.numCardsInSuit[CLUBS] >= 7))
nSuit = CLUBS;
else if (hand.GetSuit(DIAMONDS).IsSolid() && (bidState.numCardsInSuit[DIAMONDS] >= 7))
nSuit = DIAMONDS;
// test for std and ACOL Gambling 3NT conditions
int numValidBidsMade = pDOC->GetNumValidBidsMade();
if ( bStandardGambling3NT && (numValidBidsMade == 0) && (ISSUIT(nSuit)) &&
(bidState.fCardPts >= OPEN_PTS(10)) && (bidState.fCardPts <= OPEN_PTS(12)) &&
(bidState.numVoids == 0) && !bSmallSingletons &&
(bidState.numSuitsStopped == 1) )
{
// passed the test for standard gambling 3NT
status << "G3NT1! With a solid " & bidState.numCardsInSuit[nSuit] &
"-card " & STSS(nSuit) & " suit, " & bidState.fCardPts &
" HCPs, no voids, no small singletons, and no outside stoppers, "
" go ahead and bid a Gambling 3NT.\n";
}
else if ( !bStandardGambling3NT && (numValidBidsMade == 0) && (ISSUIT(nSuit)) &&
(bidState.fCardPts >= OPEN_PTS(16)) && (bidState.fCardPts <= OPEN_PTS(21)) &&
(bidState.numVoids == 0) && !bSmallSingletons &&
(bidState.numSuitsStopped >= 3) )
{
// passed the test for ACOL gambling 3NT
status << "G3NT2! With a solid " & bidState.numCardsInSuit[nSuit] &
"-card " & STSS(nSuit) & " suit, " & bidState.fCardPts &
" HCPs, no voids, no small singletons, and stoppers in " &
((bidState.numSuitsStopped == 4)? "all four suits" : "two outside suits") &
", go ahead and bid an ACOL Gambling 3NT.\n";
}
else
{
return FALSE;
}
// OK, go ahead and bid 3NT
bidState.SetBid(BID_3NT);
bidState.SetConventionStatus(this, CONV_INVOKED);
return TRUE;
}