DAI Jianming · GEELY AUTOMOBILE
vs par split: bidding +0.12 · play -0.29
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.42/bd
Card play — on target: opening leads 87.5% #27 of 187 · declarer play 80.0% #56 of 187 · defence 80.0% #161 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 85.7% (7) |
| Declarer play | 66.7% (3) | 85.7% (7) |
| Defence | 100.0% (3) | 76.5% (17) |
Opening leads by suit led: ♥ 50.0% (2) · ♦ 100.0% (4) · ♣ 100.0% (2)
vs par by strain: NT -0.78 (9) · a suit +0.00 (33)
vs par by level: part-score -0.44 (9) · game -0.09 (33)
By role: declaring -0.26/bd (-2.18 vs par · 22) · defending +0.90/bd (+2.05 vs par · 20)
By vulnerability: vulnerable -0.81/bd (-0.19 vs par · 21) · not vulnerable +1.40/bd (-0.14 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | Y.Zhang | Y.Wei – J.Jin | Open | 7 | -14.2 | -2.03 | -5.14 |
| Round 4 | Y.Zhang | X.Li – Y.Wang | Open | 7 | +24.9 | +3.56 | +4.43 |
| Round 5 | Y.Zhang | V.Aronov – A.Zobu | Open | 7 | -6.7 | -0.96 | +2.29 |
| Round 6 | Y.Zhang | J.Shen – Z.Zheng | Open | 7 | +14.3 | +2.04 | -0.43 |
| Round 7 | Y.Zhang | A.Sontag – R.Taylor | Open | 7 | +4.1 | +0.59 | +0.43 |
| Round 8 | Y.Zhang | D.Chen – M.Sun | Open | 7 | -10.1 | -1.44 | -2.57 |
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 |
|---|---|---|---|---|---|---|---|
| +16.4 | Round 4 | BEIJING TRINERGY | 26 | 4♥x | ♠A | +1 | +18 |
| +10.3 | Round 6 | SHENZHEN | 9 | 4♠ | ♥6 | -2 | -6 |
| +5.9 | Round 4 | BEIJING TRINERGY | 25 | 4♥ | ♠A | -2 | +8 |
| +5.9 | Round 6 | SHENZHEN | 12 | 3NT | ♦9 | -1 | +10 |
| +5.3 | Round 5 | ATABEY | 6 | 4♥ | ♦2 | -1 | +9 |
| +4.8 | Round 8 | YEH MIX | 25 | 4♥ | ♠2 | +1 | +0 |
| +4.7 | Round 7 | TAYLOR | 19 | 4♠ | ♦10 | -1 | +5 |
| +3.2 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 19 | 2♦x | ♣2 | -2 | +3 |
| +3.2 | Round 6 | SHENZHEN | 11 | 3NT | ♦K | = | -2 |
| +3.0 | Round 7 | TAYLOR | 21 | 3♠ | ♦2 | = | +1 |
| +3.0 | Round 8 | YEH MIX | 24 | 4♥ | ♠Q | = | +0 |
| +2.6 | Round 7 | TAYLOR | 16 | 4♠ | ♣8 | = | +0 |
| +2.4 | Round 7 | TAYLOR | 18 | 4♠ | ♣7 | +1 | +0 |
| +2.4 | Round 8 | YEH MIX | 22 | 4♥ | ♣Q | +2 | +1 |
| +2.3 | Round 4 | BEIJING TRINERGY | 27 | 4♥ | ♣K | -2 | +5 |
| +1.7 | Round 5 | ATABEY | 5 | 2♥ | ♠6 | -2 | +0 |
| +1.7 | Round 7 | TAYLOR | 15 | 2NT | ♥10 | +1 | +6 |
| +1.2 | Round 4 | BEIJING TRINERGY | 23 | 3NT | ♠10 | = | +0 |
| +0.6 | Round 4 | BEIJING TRINERGY | 22 | 4♠ | ♦A | +1 | +0 |
| +0.4 | Round 4 | BEIJING TRINERGY | 28 | 2♣ | ♦3 | = | +0 |
| +0.4 | Round 5 | ATABEY | 4 | 3NT | ♦3 | = | +2 |
| +0.4 | Round 8 | YEH MIX | 23 | 3NT | ♠2 | +2 | +2 |
| -0.4 | Round 5 | ATABEY | 3 | 3♠ | ♥2 | = | +0 |
| -0.4 | Round 6 | SHENZHEN | 14 | 4♥ | ♦10 | -1 | -3 |
| -0.4 | Round 7 | TAYLOR | 17 | 4♠ | ♦10 | = | +1 |
| -1.1 | Round 6 | SHENZHEN | 10 | 4♠ | ♣5 | = | +0 |
| -1.1 | Round 6 | SHENZHEN | 13 | 4♥ | ♠6 | -1 | +3 |
| -1.8 | Round 8 | YEH MIX | 27 | 4♠ | ♥4 | +1 | -1 |
| -1.9 | Round 4 | BEIJING TRINERGY | 24 | 2♥ | ♠6 | = | +0 |
| -2.0 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 16 | 3♥ | ♥6 | -1 | -10 |
| -2.1 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 21 | 4♥ | ♦10 | +1 | +0 |
| -2.5 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 20 | 2♦x | ♦3 | -2 | -4 |
| -2.5 | Round 6 | SHENZHEN | 8 | 4♠ | ♥3 | -1 | -5 |
| -2.9 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 18 | 3NT | ♣10 | -1 | -13 |
| -3.4 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 15 | 3NT | ♦Q | -1 | -6 |
| -4.2 | Round 5 | ATABEY | 2 | 3NT | ♠7 | -1 | -6 |
| -4.5 | Round 3 | JILINSHENGQIAOPAIXIEHUI | 17 | 4♥ | ♦2 | -2 | -6 |
| -4.5 | Round 5 | ATABEY | 7 | 4♠ | ♣4 | +1 | +13 |
| -5.0 | Round 5 | ATABEY | 1 | 5♥x | ♦A | -3 | -2 |
| -8.3 | Round 8 | YEH MIX | 28 | 4♥ | ♠6 | +1 | -7 |
| -9.9 | Round 7 | TAYLOR | 20 | 5♦x | ♥K | -4 | -10 |
| -10.6 | Round 8 | YEH MIX | 26 | 4♠x | ♥10 | -1 | -13 |