Claygate Bridge Club 22nd October 2012

From Simplex

(Difference between revisions)
 
Line 49: Line 49:
|-
|-
| colspan="4" | '''Notes when North is Dealer:'''
| colspan="4" | '''Notes when North is Dealer:'''
-
# '''P1, P8''': 8 HCP, but no 5-card suit.
+
# '''[[P1]], [[P8]]''': 8 HCP, but no 5-card suit.
-
# '''P18, P22''': 18 HCP, bidding the cheaper of his two 5-card suits.
+
# '''[[P18]], [[P22]]''': 18 HCP, bidding the cheaper of his two 5-card suits.
# Only 3 HCP and a 5-card suit.
# Only 3 HCP and a 5-card suit.
# In response to 3 of a suit, 3 of a new suit shows a 4+ card suit and 3-13 points.  He has club support, but a bid of 4{{Cs}} would deprive the pair of the opportunity of a 3NT contract.
# In response to 3 of a suit, 3 of a new suit shows a 4+ card suit and 3-13 points.  He has club support, but a bid of 4{{Cs}} would deprive the pair of the opportunity of a 3NT contract.
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|-
|-
| colspan="4" | '''Notes when West is Dealer:'''
| colspan="4" | '''Notes when West is Dealer:'''
-
# '''P14''': As a test of Simplex's dealer-independence, we examine the bidding when the dealer is South instead of North.
+
# '''[[P14]]''': As a test of Simplex's dealer-independence, we examine the bidding when the dealer is South instead of North.
-
# '''P8''': 12 HCP and no 5+ card suit.
+
# '''[[P8]]''': 12 HCP and no 5+ card suit.
-
# '''P8''':  No 5+ card suit but only 8 HCP.
+
# '''[[P8]]''':  No 5+ card suit but only 8 HCP.
-
# '''P18, P22''':  17 HCP and the cheaper of the two 5-card suits.
+
# '''[[P18]], [[P22]]''':  17 HCP and the cheaper of the two 5-card suits.
# With only 3 HCP and a 5-card suit, you are not strong enough to open or respond, so pass.
# With only 3 HCP and a 5-card suit, you are not strong enough to open or respond, so pass.
# Opposite a 3-level suit bid, the 1NT opener now bids his cheapest 4+ card suit.
# Opposite a 3-level suit bid, the 1NT opener now bids his cheapest 4+ card suit.

Current revision as of 09:37, 2 November 2012

Ref: C12#1

Vulnerability: Neither
N
E
S
W
♠ J 9 7 6
♥ A Q 8 2
♦ J 6 2
♣ T 4
♠ 2
♥ 5 4
♦ A K Q T 7
♣ A K J 8 2
♠ T 8 5 3
♥ K T 9 7 6
♦ 4 3
♣ 7 5
♠ A K Q 4
♥ J 3
♦ 9 8 5
♣ Q 9 6 3
Dealer: North (Both Pairs bidding Simplex)
Pass (1)
3♣ (2)
Pass (3)
3♠ (4)
Pass
4♦ (5)
Pass
5♣ (6)
end
Notes when North is Dealer:
  1. P1, P8: 8 HCP, but no 5-card suit.
  2. P18, P22: 18 HCP, bidding the cheaper of his two 5-card suits.
  3. Only 3 HCP and a 5-card suit.
  4. In response to 3 of a suit, 3 of a new suit shows a 4+ card suit and 3-13 points. He has club support, but a bid of 4♣ would deprive the pair of the opportunity of a 3NT contract.
  5. East should not bid 3NT unless he has all unbid suits stopped. Instead he bids his other 4+ card suit, as cheaply as possible, showing 17-19 HCP.
  6. West takes the view that slam is unlikely because East has denied a heart stopper. So he shows his club support.
Dealer: West (1) (Both Pairs bidding Simplex)
N
E
S
W
-
-
-
1NT (2)
Pass (3)
3♣ (4)
Pass (5)
3♠ (6)
Pass
4♦ (7)
Pass
5♣ (8)
end
Notes when West is Dealer:
  1. P14: As a test of Simplex's dealer-independence, we examine the bidding when the dealer is South instead of North.
  2. P8: 12 HCP and no 5+ card suit.
  3. P8: No 5+ card suit but only 8 HCP.
  4. P18, P22: 17 HCP and the cheaper of the two 5-card suits.
  5. With only 3 HCP and a 5-card suit, you are not strong enough to open or respond, so pass.
  6. Opposite a 3-level suit bid, the 1NT opener now bids his cheapest 4+ card suit.
  7. It is now clear to both East and West that the hearts are unstopped, so East bids past 3NT by showing another 4+ card suit.
  8. West ends the auction by showing his support for East's original suit.

Result

  • E-W can make 2NT, 2♠, 5♦ and 5♣




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