slam-o-rama draft presentation for n colo
TRANSCRIPT
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Slam-o-ramaEVALUATION, BIDDING AND DECLARER PLAY
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What is….
53,644,737,765,488,792,839,237,440,000
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Probability of 2 Hand HCP
26+ HCP 25% 1 in every 4 deals
33+ HCP 0.7% 1 in 143
37+ HCP 0.02% 1 in 5,848
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Club and Tourney Stats
Part Score Hands 40%
Game Bonus 45%
Slams 15%
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Slam Probability
30% 6 Suit Length
20% 5
4
10%
12 13 14 15 16 17 HCPs
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HCP vs. SLAMS
Stats from 500 Hands (preliminary data)
Played by 20+ pairs in open gameComputer analysis of possible slamsCompared with actual results
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Club and Tourney Stats
Part Score Hands 40%
Game Bonus 45%
Slams 15%
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Examining Just Slam Hands
15 Slams in Every 100 Hands
Eliminate 1 single sidedRemove 4 either never bid or rarelyFocus on 10 remaining slams
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Characteristics of 10 Slam Hands
High Card PointsOnly 1 combined HCP 32+Range in other slam hands 26 to 31 (average=28)
OtherApproximately 40% feature a void Half have 6+ suit
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Showing 6+ Card Suits
�Weak two bids�3 Level Preempt�Opening 4 Level Preempt�Texas Transfer over 1NT �Minor Suit Transfers over 1 NT�Rebid of an 1 level major suit by opener
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What is a Void Worth ?
� Traditional valuation – extra five points
�Modern valuation - perhaps worth 7+ points when holding extra trump
Think of holding the A+K in the void suit!
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Ways to Show a Void
� Rebid of splinter suit� RKC response of 5NT (two controls with useful void)� Showing first round control in a suit when partner has
the Ace� Splinter response to RKC (one control with a useful
void)
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Splinter Response to 4NT RKC
When aiming towards a trump contractHolding 1 key card plus a void…..
Bid 6 level of void suit, if void is below trump suitBid 6 level of trump, if void is higher than trump suit
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Let’s see some real hands!
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Hand 1 Dealer N
----AKQxxxxxxKJxx
ATxxxxAQxAQJx
----xxJTxxxxxTxxx
KQJxx xxxxx----Kxx
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Hand 1 Dealer N
ATxxxxAQxAQJx
KQJxx xxxxx----Kxx
Possible BiddingN E S W
-------------------------------------------------------------1H 1NT Hesitation 4HP 4S P 5HP 5C P 5DP 6S All Pass
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Hand 1 Dealer N
ATxxxxAQxAQJx
KQJxx xxxxx----Kxx
26 HCP slamLosing trick count (responder=3)6+ card suitVoidCue bid to slam
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Hand 2 Dealer W
T46T7532JT643
A96Q86AJ96AQ7
53K532K8K952
KQJ82AJT97Q48
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Hand 2 Dealer WN Colo Unit Game
A96Q86AJ96AQ7
KQJ82AJT97Q48
Possible BiddingW N E S
----------------------------------------------------1S P 2D P 2H P 2S P3H P 3S P4S P 4NT P5S 2+Q P 6S
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Hand 2 Dealer WN Colo Unit Game
A96Q86AJ96AQ7
KQJ82AJT97Q48
30 HCP slam (10 bid it)2 Over 1 – slow showsTwo Suit FitRKC – need to know about KQ
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Hand 3 Dealer NDenver Regionnal
KQJ9xxxKQJxxx
AxxxAQxKQxxAx
xxxxxTxxTxxxx
xxKJxxxxAJxxx-- void --
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Hand 3 Dealer N
AxxxAQxKQxxAx
xxKJxxxxAJxxx----
Possible BiddingN E S W
----------------------------------------------------1C X 3C! 4H P 4NT P 5NT (2+ void)P 6H All pass
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Hand 3 Dealer N
AxxxAQxKQxxAx
xxKJxxxxAJxxx----
28 HCP slam6 card suitPower of a voidRKC to hear about K trump
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Preliminary Conclusions
� Start thinking about slam potential for hands in the 27-31 HCP range
� Voids are often undervalued� 6 Card suit increases the potential for slams� Useful slam bidding tools include:
1. Any 6 card showing bids2. RKC3. Cue bidding agreements4. Void showing bids