DIAMOND John · DIAMOND
vs par split: bidding +0.57 · play +0.86
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted +0.51/bd
Card play — on target: opening leads 83.3% #161 of 398 · declarer play 75.0% #185 of 398 · defence 78.9% #315 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 81.8% (11) |
| Declarer play | 100.0% (1) | 66.7% (3) |
| Defence | 75.0% (4) | 80.0% (15) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (4) · ♦ 100.0% (2) · ♣ 75.0% (4)
vs par by strain: NT +3.00 (5) · a suit +1.09 (23)
vs par by level: part-score +0.60 (10) · game +2.25 (16) · slam -1.00 (2)
By role: declaring +0.80/bd (-0.56 vs par · 9) · defending +0.31/bd (+2.37 vs par · 19)
By vulnerability: vulnerable +1.47/bd (+1.31 vs par · 13) · not vulnerable -0.40/bd (+1.53 vs par · 15)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | J.Wolpert | Y.Wu – Z.Zhen | Closed | 7 | +2.4 | +0.34 | -0.43 |
| Round 5 | J.Wolpert | Y.Gu – R.Shao | Closed | 7 | +11.2 | +1.60 | +2.14 |
| Round 6 | J.Wolpert | T.Liang – H.Zhan | Open | 7 | -3.4 | -0.49 | +1.57 |
| Round 7 | J.Wolpert | D.Yu – A.Zhu | Closed | 7 | +2.9 | +0.41 | +2.43 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +8.5 | Round 7 | YUNNAN | 17 | 3NT | ♠Q | -1 | +14 |
| +7.0 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 4 | 3♦ | ♥4 | = | +11 |
| +5.3 | Round 6 | NORCO | 8 | 4♥xx | ♣6 | -1 | +12 |
| +4.6 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 16 | 2♦x | ♦6 | +1 | +6 |
| +4.2 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 7 | 2♠ | ♥10 | +1 | +1 |
| +4.2 | Round 7 | YUNNAN | 18 | 5♦ | ♣10 | +2 | +17 |
| +4.1 | Round 6 | NORCO | 14 | 3NT | ♠J | -2 | +9 |
| +2.9 | Round 7 | YUNNAN | 19 | 3♠ | ♠2 | -2 | +5 |
| +1.8 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 3 | 2♠ | ♦4 | +1 | +7 |
| +1.4 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 20 | 3NT | ♠8 | +2 | +0 |
| +1.3 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 17 | 4♠ | ♥A | -2 | +6 |
| +1.1 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 2 | 4♥ | ♠J | +2 | +1 |
| +1.0 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 21 | 4♠ | ♥10 | +1 | +0 |
| +0.9 | Round 6 | NORCO | 13 | 1NT | ♦Q | -2 | -9 |
| +0.3 | Round 6 | NORCO | 9 | 4♥ | ♣10 | +1 | +0 |
| +0.3 | Round 7 | YUNNAN | 16 | 4♥ | ♠5 | -2 | -1 |
| +0.1 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 19 | 4♥ | ♣2 | +1 | +0 |
| -0.1 | Round 6 | NORCO | 10 | 4♥ | ♣4 | = | +1 |
| -0.6 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 5 | 1♠ | ♣3 | +1 | -1 |
| -0.8 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 1 | 5♠x | ♦4 | -2 | -5 |
| -1.2 | Round 7 | YUNNAN | 15 | 3♣ | ♥7 | +2 | -2 |
| -1.5 | Round 5 | SHANGHAI THINK BRIDGE CLUB | 6 | 3NT | ♥10 | +1 | +1 |
| -2.0 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 18 | 3♣ | ♠4 | = | -7 |
| -2.8 | Round 7 | YUNNAN | 20 | 3♠ | ♦J | -1 | -5 |
| -4.0 | Round 3 | TIANJIN CONTRACT BRIDGE ASSOCI | 15 | 4♥ | ♣K | = | -8 |
| -6.6 | Round 6 | NORCO | 12 | 6♥ | ♠A | = | -1 |
| -7.3 | Round 6 | NORCO | 11 | 6♠ | ♣4 | +1 | -1 |
| -9.0 | Round 7 | YUNNAN | 21 | 4♠ | ♥A | +1 | -11 |