//
//===============================================================================
//
// TryConvention()
//
// check if we can use a Michaels Cue Bid here
//
BOOL CMichaelsCueBidConvention::TryConvention(const CPlayer& player,
const CConventionSet& conventions,
CHandHoldings& hand,
CCardLocation& cardLocation,
CGuessedHandHoldings** ppGuessedHands,
CBidEngine& bidState,
CPlayerStatusDialog& status)
{
//
// the requirements for a Michaels Cue Bid are:
// 1: RHO must have opened a suit (not NT) at the 1-level
// 2: this must be our first bidding opportunity
// 3: need a 2-suited hand; i.e.,
// - if RHO bid a minor, need 5/5 or 5/(good)4 in the majors
// - if RHO bid a major, need 5 in the other major, plus 5 in a minor
// the two suits should also be rather comparable
// 4: need either 6-11 pts or 17+ pts
// (with 12-16 pts, we generally overcall or double for takeout)
// 5: if we have 12+ pts and playing takeout doubles, cannot have a
// hand suitable for a takeout (???)
// test conditions 1, 2, & 4
if ( ((bidState.nRHOBid >= BID_1C) && (bidState.nRHOBid <= BID_1S)) &&
( ((bidState.fPts >= OPEN_PTS(6)) && (bidState.fPts <= OPEN_PTS(11))) || ((bidState.fPts >= OPEN_PTS(17))/*&& (bidState.fPts <= 18)*/) ) &&
(bidState.m_numBidTurns == 0) && (bidState.m_numPartnerBidTurns == 0) )
{
// passed
}
else
{
return FALSE;
}
// test condition #3
int nOppSuit = bidState.nRHOSuit;
BOOL bEnoughLength = FALSE;
//
if (ISMINOR(nOppSuit))
{
// need 5/5 in the majors, or 5 + good 4
int numHearts = hand.GetNumCardsInSuit(HEARTS);
int numSpades = hand.GetNumCardsInSuit(SPADES);
if ((hand.GetSuitStrength(HEARTS) < SS_MARGINAL_OPENER) || (hand.GetSuitStrength(SPADES) < SS_MARGINAL_OPENER) ||
(Abs(hand.GetSuitStrength(HEARTS) - hand.GetSuitStrength(SPADES)) > 1) )
return FALSE;
//
if ((numHearts >= 5) && (numSpades >= 5))
{
bEnoughLength = TRUE;
status << "2MCL1! We have at least 5/5 in the majors, so we can make a Michaels cue bid.\n";
}
else if ((numHearts >= 5) && (numSpades == 4) &&
(hand.GetSuitStrength(SPADES) >= SS_STRONG))
{
bEnoughLength = TRUE;
status << "2MCL2! We have 5/4 in the majors, but the 4 Spades are strong, so we can make a Michaels cue bid.\n";
}
else if ((numHearts == 4) && (numSpades >= 5) && (hand.GetSuitStrength(HEARTS) >= SS_STRONG))
{
bEnoughLength = TRUE;
status << "2MCL3! We have 5/4 in the majors, but the 4 Hearts are strong, so we can make a Michaels cue bid.\n";
}
}
else
{
// need 5 in the unbid major, and 5 in a minor
int nOtherMajor = (nOppSuit == HEARTS)? SPADES : HEARTS;
int numMajors = hand.GetNumCardsInSuit(nOtherMajor);
int numClubs = hand.GetNumCardsInSuit(CLUBS);
int numDiamonds = hand.GetNumCardsInSuit(CLUBS);
// check that the major suit is OK
if ((numMajors < 5) || (hand.GetSuitStrength(nOtherMajor) < SS_MARGINAL_OPENER))
return FALSE;
// then check the minor & compare the suits
if ((numClubs >= 5) && (hand.GetSuitStrength(CLUBS) >= SS_MARGINAL_OPENER) &&
(Abs(hand.GetSuitStrength(nOtherMajor) - hand.GetSuitStrength(CLUBS)) <= 1) )
{
bEnoughLength = TRUE;
status << "2MCL5! We have 5+ cards in " & STS(nOtherMajor) &
" and 5+ cards in a minor (Clubs), so we can make a Michaels cue bid.\n";
}
else if ((numDiamonds >= 5) && (hand.GetSuitStrength(DIAMONDS) >= SS_MARGINAL_OPENER) &&
(Abs(hand.GetSuitStrength(nOtherMajor) - hand.GetSuitStrength(DIAMONDS)) <= 1) )
{
bEnoughLength = TRUE;
status << "2MCL5! We have 5+ cards in " & STS(nOtherMajor) &
" and 5+ cards in a minor (Diamonds), so we can make a Michaels cue bid.\n";
}
}
// check condition
if (!bEnoughLength)
return FALSE;
// OK, go ahead and cue-bid the enemy suit
int nBid = MAKEBID(nOppSuit, 2);
status << "MCL9! With a 2-suited hand, make a Michaels cue bid over RHO's " & STS(nOppSuit) &
" with a bid of " & BTS(nBid) & ".\n";
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_INVOKED);
return TRUE;
}
//
//-----------------------------------------------------
//
// respond to partner's Michaels Cue Bid
//
BOOL CMichaelsCueBidConvention::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;
//
// make a responding bid
//
int nPartnersBid = bidState.nPartnersBid;
int nPartnersBidLevel = bidState.nPartnersBidLevel;
int nPartnersSuit = bidState.nPartnersSuit;
int nPartnersPrevSuit = bidState.nPartnersPrevSuit;
//
int nBid, nSuit;
double fPts = bidState.fPts;
double fCardPts = bidState.fCardPts;
//
// see what round this is
//
int nStatus = bidState.GetConventionStatus(this);
if (nStatus == CONV_INACTIVE)
{
//
// Bidding in response to partner's Michael's bid? check requirements
//
// the identifying marks of a Michaels bid are:
// 1: we must not have bid yet
// 2: LHO must have bid a suit at the 1 level, and
// 3: partner overcalled LHO's suit at the 2 level
int nLastValidBid = pDOC->GetLastValidBid();
// apply tests #1, 2, and 3
int nOpeningBid = pDOC->GetOpeningBid();
int nOpeningBidder = pDOC->GetOpeningBidder();
BOOL bLHOMajor = ISMAJOR(nOpeningBid);
if (ISBID(nOpeningBid) && (GetPlayerTeam(nOpeningBidder) != player.GetTeam()) &&
((nOpeningBid >= BID_1C) && (nOpeningBid <= BID_1S)) &&
(nPartnersSuit == bidState.nLHOSuit) && (nPartnersBidLevel == 2) &&
(bidState.m_numBidsMade == 0) )
{
//
status << "MCLR10! Partner has made a Michaels Cue bid of " & BTS(nPartnersBid) &
", indicating 5/5 length in " &
(bLHOMajor? ((bidState.nLHOSuit == HEARTS)? "Spades and a minor" : "Hearts and a minor") : "the majors") & ".\n";
}
else
{
return FALSE;
}
// did partner bid a minor, indicating both majors?
if (ISMINOR(nPartnersSuit))
{
// Pard has both majors -- pick the preferred one
nSuit = bidState.PickSuperiorSuit(HEARTS, SPADES);
if (hand.GetNumCardsInSuit(nSuit) < 3)
{
// should have at least 3 trumps
int nOtherSuit = (nSuit == HEARTS)? SPADES : HEARTS;
if (hand.GetNumCardsInSuit(nOtherSuit) >= 3)
nSuit = nOtherSuit;
}
}
else if (nPartnersSuit == HEARTS)
{
// pard has Spades + a minor
// see if Spades are decent (3-card support)
// if ((hand.GetNumCardsInSuit(SPADES) >= 3) && (hand.GetSuitStrength(SPADES) >= SS_MODERATE_SUPPORT))
if (hand.GetNumCardsInSuit(SPADES) >= 3)
{
// fine, go with Spades
nSuit = SPADES;
}
else
{
// Spades are too weak; look for a minor
if ((hand.GetSuitStrength(CLUBS) >= SS_MODERATE_SUPPORT) || (hand.GetSuitStrength(DIAMONDS) >= SS_MODERATE_SUPPORT))
nSuit = NOTRUMP;
else
nSuit = SPADES; // minors are no good either, so go with Spades
}
}
else
{
// pard has Hearts + a minor
// see if Hearts are decent (3-card support)
// if ((hand.GetNumCardsInSuit(HEARTS) >= 3) && (hand.GetSuitStrength(HEARTS) >= SS_MODERATE_SUPPORT))
if (hand.GetNumCardsInSuit(HEARTS) >= 3)
{
// fine, go with Hearts
nSuit = HEARTS;
}
else
{
// Spades are too weak; look for a minor
if ((hand.GetSuitStrength(CLUBS) >= SS_MODERATE_SUPPORT) || (hand.GetSuitStrength(DIAMONDS) >= SS_MODERATE_SUPPORT))
nSuit = NOTRUMP;
else
nSuit = HEARTS; // minors are no good either, so go with Hearts
}
}
// now adjust point count
if (ISSUIT(nSuit))
{
bidState.SetAgreedSuit(nSuit);
fPts = bidState.fAdjPts = hand.RevalueHand(REVALUE_DECLARER, nSuit, TRUE);
}
// partner may have 6-11 OR 17+ pts; assume it's a weak hand
bidState.AdjustPartnershipPoints(6, 11);
// and make a responding bid
CString strChoices = ISMINOR(nPartnersSuit)? "the two majors" :
(nPartnersSuit == HEARTS)? "Spades and a minor" : "Hearts and an unknown minor";
int numTrumps = ISSUIT(nSuit)? hand.GetNumCardsInSuit(nSuit) : 0;
// set initial convention status to finished
bidState.SetConventionStatus(this, CONV_FINISHED);
// see if we need to look at the minor
if (nSuit == NOTRUMP)
{
// bid 2NT to ask for the minor
nBid = BID_2NT;
if (nBid > nLastValidBid)
{
if (nPartnersSuit == HEARTS)
status << "MCLR12! Given a choice between a " & hand.GetNumCardsInSuit(SPADES) &
"-card Spade suit and an unknown minor, we're forced to ask for the minor by bidding " & BTS(nBid) & ".\n";
else
status << "MCLR12! Given a choice between a " & hand.GetNumCardsInSuit(HEARTS) &
"-card Heart suit and an unknown minor, we're forced to ask for the minor by bidding " & BTS(nBid) & ".\n";
// this convention will go another round
bidState.SetConventionStatus(this, CONV_RESPONDED_ROUND1);
}
else
{
nBid = BID_PASS;
status << "MCLR13! We'd like to bid 2NT to ask for partner's minor, but we can't do so after RHO's interference, so we have to pass.\n";
}
}
else if ((numTrumps >= 5) && (bidState.m_fMinTPPoints <= PT_COUNT(20)) &&
ISMAJOR(nSuit) && (MAKEBID(nSuit, 4) > nLastValidBid))
{
// make a preemptive bid if possible
nBid = MAKEBID(nSuit, 4);
status << "MCLR15! With " & numTrumps & " " & STS(nSuit) & " and a total of " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, make a shutout bid in " & STS(nSuit) &
" by jumping to " & BTS(nBid) & ".\n";
}
else if (bidState.m_fMinTPPoints <= PT_COUNT(21))
{
// respond at the 2-level
nBid = bidState.GetCheapestShiftBid(nSuit, nLastValidBid);
if (BID_LEVEL(nBid) == 2)
{
status << "MCLR20! Given a choice between " & strChoices &
", respond to partner's Michaels with the preferred " &
STSS(nSuit) & " suit with a bid of " & BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "MCLR21! After RHO interference, we don't have the points to go to the 3-level in response to partner's Michaels, so pass.\n";
}
}
else if (bidState.m_fMinTPPoints <= PT_COUNT(24))
{
// bid at the 3-level
nBid = MAKEBID(nSuit, 3);
if (nBid > nLastValidBid)
{
status << "MCLR24! With a total of " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership and a choice between " & strChoices &
", invite game in " & STS(nSuit) & " by jumping to " & BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "MCLR25! After RHO interference, we don't have the points to go to the 4-level in response to partner's Michaels, so pass.\n";
}
}
else if (ISMINOR(nSuit) && (bidState.m_fMinTPPoints <= PT_COUNT(27)))
{
// with 25+ pts, bid game
nBid = bidState.GetGameBid(nSuit);
if (nBid > nLastValidBid)
{
status << "MCLR27! With a total of " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership and a choice between " & strChoices &
", jump to the 4-level in " & STS(nSuit) & " with a bid of " & BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "MCLR28! After RHO interference, we don't have the points to go to the 5-level in response to partner's Michaels, so pass.\n";
}
}
else
{
// with 25+ pts in a major, or 28+ pts in a minor, bid game
nBid = bidState.GetGameBid(nSuit);
if (nBid > nLastValidBid)
{
status << "MCLR30! With a total of " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership and a choice between " & strChoices &
", jump to game in " & STS(nSuit) & " at " & BTS(nBid) & ".\n";
}
else
{
nBid = BID_PASS;
status << "MCLR31! After RHO interference, we don't want to bid past game, so pass.\n";
}
}
// done!
bidState.SetBid(nBid);
return TRUE;
}
else if (nStatus == CONV_RESPONDED_ROUND1)
{
//
// round 2 -- we must've bid 2NT last time to ask for partner's minor
//
// see if partner cue bid the enemy suit again
if (nPartnersSuit == nPartnersPrevSuit)
{
// partner has 17+ pts
bidState.AdjustPartnershipPoints(OPEN_PTS(17), MIN(17,40 - bidState.fCardPts));
// bid 4NT to ask for the minor again
if (fPts >= PT_COUNT(15))
{
// else make a natural game bid
nBid = BID_4NT;
status << "MCLR35! Partner cue bid the enemy suit again, indicating a strong Michaels opening hand with " &
OPEN_PTS(17) & "+ pts; so with " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, ask for the other minor by bidding " & BTS(nBid) & ".\n";
bidState.SetConventionStatus(this, CONV_RESPONDED_ROUND2);
}
else
{
// else make a natural 3NT game bid
nBid = BID_3NT;
status << "MCLR36! Partner cue bid the enemy suit again, indicating a strong Michaels opening hand with " &
OPEN_PTS(17) & "+ pts; but with " &
bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, stop at game with a natural bid of " & BTS(nBid) & ".\n";
bidState.SetConventionStatus(this, CONV_FINISHED);
}
// done
bidState.SetBid(nBid);
return TRUE;
}
// see if partner's bid is valid
if (!ISMINOR(nPartnersSuit))
{
status << "MCLR40! After his opening Michaels Cue Bid, partner did not respond properly to our 2NT minor suit inquiry, so michaels is off.\n";
bidState.SetConventionStatus(this, CONV_ERROR);
return FALSE;
}
// see if we can live with partner's minor
int nAgreedSuit;
if (hand.GetNumCardsInSuit(nPartnersSuit) >= 3)
{
// stick with the minor
status << "4MCLR41! Since we have " & hand.GetNumCardsInSuit(nPartnersSuit) &
" cards in the " & STSS(nPartnersSuit) & " suit, choose that suit for our response.\n";
nAgreedSuit = nPartnersSuit;
}
else
{
// minor's not so great; select the better of the minor or the major
nAgreedSuit = bidState.PickSuperiorSuit(nPartnersSuit, bidState.nPartnersPrevSuit);
if (nAgreedSuit == nPartnersSuit)
status << "4MCLR42! The " & STSS(nPartnersSuit) & " suit isn't great, but it's better than " &
STS(bidState.nPartnersPrevSuit) & ", so choose that suit for our response.\n";
else
status << "4MCLR43! The " & STSS(nPartnersSuit) & " suit is poor, so pick the major suit ("&
STS(bidState.nPartnersPrevSuit) & ") for our response.\n";
bidState.SetAgreedSuit(bidState.PickSuperiorSuit(nPartnersSuit, bidState.nPartnersPrevSuit));
}
// recalc points as dummy
bidState.SetAgreedSuit(nAgreedSuit);
fPts = bidState.fAdjPts = hand.RevalueHand(REVALUE_DECLARER, nAgreedSuit, TRUE);
bidState.AdjustPartnershipPoints();
// select the bid level
if (ISMINOR(nAgreedSuit))
{
// Clubs or Diamonds
if (bidState.m_fMinTPPoints <= PTS_MINOR_GAME-6) // <= 22
nBid = BID_PASS;
else if (bidState.m_fMinTPPoints <= PTS_MINOR_GAME-4) // <= 24
nBid = MAKEBID(nPartnersBid, 4);
else
nBid = MAKEBID(nPartnersBid, 5); // go for game
//
if (nBid == BID_PASS)
status << "MCLR45! Partner showed his minor to be " & STS(nPartnersSuit) &
", which we can support with " & hand.GetNumCardsInSuit(nPartnersSuit) &
" trumps, but with only " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, we have to pass.\n";
else
status << "MCLR46! Partner showed his minor to be " & STS(nPartnersSuit) &
", which we can support with " & hand.GetNumCardsInSuit(nPartnersSuit) &
" trumps, so with " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, we bid " & BTS(nBid) & ".\n";
}
else
{
// sticking with the major (though not a very good one!)
// sign off at the 3-level or go to game
if (bidState.m_fMinTPPoints < PTS_MAJOR_GAME) // < 25
nBid = MAKEBID(nPartnersBid, 3);
else
nBid = MAKEBID(nPartnersBid, 4);
//
if (BID_LEVEL(nBid) == 3)
status << "MCLR47! With " & hand.GetNumCardsInSuit(nAgreedSuit) &
"-card support for partner's " & STS(nAgreedSuit) &
", and with only " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, we have to pass.\n";
else
status << "MCLR47! With " & hand.GetNumCardsInSuit(nAgreedSuit) &
"-card support for partner's " & STS(nAgreedSuit) &
", and with " & bidState.m_fMinTPPoints & "-" & bidState.m_fMaxTPPoints &
" pts in the partnership, we can go to game at " & BTS(nBid) & ".\n";
}
// done!
bidState.SetBid(nBid);
bidState.SetConventionStatus(this, CONV_FINISHED);
return TRUE;
}
else if (nStatus == CONV_RESPONDED_ROUND2)
{
//
// round 3 -- we must've bid 4NT last time to ask for partner's minor
// after partner's second Michaels cue bid
//
}
//
return FALSE;
}