DAI Yongsheng · BANK OF CHINA IN HAINAN
vs par split: bidding +1.86 · play -0.71
Strength of schedule: opponents averaged +0.30/bd (a tough draw) → opponent-adjusted +0.28/bd
Card play — on target: opening leads 66.7% #217 of 277 · declarer play 72.7% #157 of 277 · defence 83.3% #141 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 66.7% (3) |
| Declarer play | 50.0% (2) | 77.8% (9) |
| Defence | 100.0% (2) | 81.2% (16) |
Opening leads by suit led: ♦ 50.0% (2) · ♣ 100.0% (1)
vs par by strain: NT +2.17 (6) · a suit +0.93 (29)
vs par by level: part-score -1.07 (15) · game +2.29 (17) · slam +5.67 (3)
By role: declaring -0.42/bd (-1.35 vs par · 17) · defending +0.36/bd (+3.50 vs par · 18)
By vulnerability: vulnerable -0.77/bd (-0.12 vs par · 17) · not vulnerable +0.69/bd (+2.33 vs par · 18)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Wang | K.Bendre – S.Thakral | Open | 7 | -4.1 | -0.59 | +0.43 |
| Round 2 | C.Wang | G.Miao – Z.Xu | Open | 7 | -8.2 | -1.17 | +0.86 |
| Round 4 | H.Xue | W.Zeng – W.Chen | Open | 7 | -6.1 | -0.87 | +1.00 |
| Round 5 | K.Cai | G.Bilski – R.Speiser | Closed | 7 | +8.1 | +1.16 | +1.43 |
| Round 7 | K.Cai | W.Tian – C.Tan | Closed | 7 | +9.6 | +1.37 | +2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +13.8 | Round 5 | BILSKI | 6 | 6NT | ♣5 | -1 | +17 |
| +9.6 | Round 1 | HEMANT JALAN | 7 | 3NT | ♠Q | = | +10 |
| +8.9 | Round 7 | DARUI INDUSTRY | 17 | 5♣x | ♣8 | = | +4 |
| +6.8 | Round 5 | BILSKI | 5 | 4♠ | ♠2 | = | +0 |
| +6.0 | Round 2 | SHAOGUAN RENHUA | 13 | 4♠ | ♣3 | +3 | +17 |
| +4.4 | Round 7 | DARUI INDUSTRY | 18 | 5♦ | ♦3 | +1 | +13 |
| +3.5 | Round 7 | DARUI INDUSTRY | 15 | 4♠ | ♥4 | -1 | +12 |
| +3.2 | Round 5 | BILSKI | 4 | 4♠ | ♣9 | -1 | +6 |
| +3.0 | Round 2 | SHAOGUAN RENHUA | 12 | 4♥ | ♥K | -1 | +5 |
| +2.7 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 22 | 2♥ | ♠3 | +3 | +9 |
| +2.5 | Round 1 | HEMANT JALAN | 1 | 3NT | ♦9 | = | -1 |
| +2.4 | Round 7 | DARUI INDUSTRY | 21 | 6♠ | ♦8 | = | +0 |
| +1.6 | Round 7 | DARUI INDUSTRY | 20 | 3♥ | ♦3 | -1 | +0 |
| +1.2 | Round 5 | BILSKI | 2 | 3♠ | ♥K | = | +0 |
| +0.9 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 23 | 4♣ | ♦5 | +1 | +0 |
| +0.7 | Round 1 | HEMANT JALAN | 3 | 2♠ | ♣K | -1 | -3 |
| +0.7 | Round 1 | HEMANT JALAN | 5 | 3♥ | ♠K | = | +0 |
| +0.2 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 25 | 3NT | ♠Q | = | +0 |
| -0.2 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 26 | 1NT | ♠7 | = | -1 |
| -0.4 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 27 | 4♠ | ♥6 | +1 | +11 |
| -1.0 | Round 2 | SHAOGUAN RENHUA | 8 | 2♠ | ♥2 | -2 | +1 |
| -1.2 | Round 2 | SHAOGUAN RENHUA | 10 | 3♠x | ♣A | -2 | +0 |
| -1.6 | Round 5 | BILSKI | 1 | 4♥ | ♠K | +2 | -1 |
| -1.7 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 24 | 2♣ | ♦Q | -2 | +0 |
| -2.4 | Round 2 | SHAOGUAN RENHUA | 14 | 2♠ | ♥6 | +1 | -1 |
| -3.9 | Round 1 | HEMANT JALAN | 4 | 2♦x | ♣5 | -1 | +9 |
| -4.0 | Round 2 | SHAOGUAN RENHUA | 9 | 4♠ | ♣K | -1 | -6 |
| -4.7 | Round 5 | BILSKI | 7 | 6♥ | ♠A | = | +0 |
| -5.4 | Round 7 | DARUI INDUSTRY | 16 | 4♠ | ♥Q | -2 | -7 |
| -5.5 | Round 1 | HEMANT JALAN | 6 | 3NT | ♣8 | -1 | -12 |
| -5.8 | Round 7 | DARUI INDUSTRY | 19 | 2♥x | ♥8 | -1 | -8 |
| -7.6 | Round 4 | BRIDGE ASSOCIATION OF FUJIAN P | 28 | 3♠ | ♦K | +1 | -12 |
| -8.2 | Round 1 | HEMANT JALAN | 2 | 4♥ | ♦9 | +1 | +0 |
| -8.6 | Round 2 | SHAOGUAN RENHUA | 11 | 3♠x | ♦2 | = | -10 |
| -10.6 | Round 5 | BILSKI | 3 | 4♠ | ♦J | -1 | -12 |