CAO Xueliang · COFCO YALONG BAY
vs par split: bidding +0.90 · play +0.14
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted -0.01/bd
Card play — on target: opening leads 68.8% #439 of 579 · declarer play 69.2% #345 of 579 · defence 87.5% #274 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 77.8% (9) |
| Declarer play | 100.0% (3) | 60.0% (10) |
| Defence | 88.9% (9) | 86.7% (15) |
Opening leads by suit led: ♠ 50.0% (6) · ♥ 75.0% (4) · ♦ 100.0% (4) · ♣ 50.0% (2)
vs par by strain: NT +4.50 (14) · a suit -0.34 (35)
vs par by level: part-score -0.54 (24) · game +3.29 (21) · slam -1.25 (4)
By role: declaring -0.06/bd (-2.68 vs par · 25) · defending -0.27/bd (+4.92 vs par · 24)
By vulnerability: vulnerable -0.03/bd (+2.12 vs par · 24) · not vulnerable -0.29/bd (+0.00 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Zhao | J.Zhou – Y.Chen | Closed | 7 | +6.0 | +0.86 | +2.57 |
| Round 2 | Y.Zhao | W.Olanski – V.Vainikonis | Closed | 7 | -20.3 | -2.90 | -4.43 |
| Round 3 | Y.Zhao | Y.Zhang – S.Tan | Open | 7 | +8.3 | +1.19 | +1.57 |
| Round 4 | Y.Zhao | D.Bakhshi – R.Ekeblad | Open | 7 | -7.7 | -1.10 | +5.14 |
| Round 5 | Y.Zhao | V.Demuy – J.Kranyak | Open | 7 | -11.9 | -1.70 | -2.00 |
| Round 6 | L.Cai | Z.Li – Z.Yu | Closed | 7 | -3.6 | -0.51 | +2.86 |
| Round 7 | L.Cai | C.Teodorescu – M.Briciu | Closed | 7 | +21.3 | +3.04 | +1.57 |
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 |
|---|---|---|---|---|---|---|---|
| +10.1 | Round 7 | ROMANIA | 18 | 2NTx | ♠3 | -2 | +8 |
| +9.9 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 19 | 6♣ | ♦7 | -1 | +20 |
| +6.2 | Round 1 | CHINA HYX | 6 | 3NT | ♦Q | = | +11 |
| +6.1 | Round 7 | ROMANIA | 16 | 3NT | ♦4 | +1 | +1 |
| +5.4 | Round 6 | DONGFENG FENGSHEN | 10 | 3♥ | ♠Q | -2 | +8 |
| +5.0 | Round 6 | DONGFENG FENGSHEN | 12 | 3NT | ♠3 | -2 | +11 |
| +4.5 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 21 | 6♠ | ♥J | = | -13 |
| +3.5 | Round 7 | ROMANIA | 15 | 4♠ | ♥3 | = | -11 |
| +2.6 | Round 7 | ROMANIA | 21 | 3♠ | ♥3 | = | +0 |
| +2.4 | Round 1 | CHINA HYX | 4 | 2♠ | ♠3 | = | +6 |
| +2.1 | Round 4 | LEVINE | 27 | 3♣ | ♦A | +3 | +6 |
| +2.0 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 15 | 2♠ | ♦3 | = | +0 |
| +1.9 | Round 1 | CHINA HYX | 2 | 3NT | ♥10 | -2 | +6 |
| +1.5 | Round 2 | VITAS | 8 | 2♠ | ♠3 | -1 | -2 |
| +1.1 | Round 2 | VITAS | 13 | 4♥ | ♠6 | +1 | +0 |
| +1.0 | Round 5 | LEBRON | 7 | 4♠ | ♦6 | = | +0 |
| +0.7 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 18 | 2♥ | ♣A | = | +0 |
| +0.7 | Round 4 | LEVINE | 24 | 3NT | ♠4 | = | -2 |
| +0.6 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 17 | 2♠ | ♦8 | -1 | +3 |
| +0.4 | Round 5 | LEBRON | 5 | 2♥ | ♣A | +1 | +0 |
| +0.0 | Round 4 | LEVINE | 22 | 2♥ | ♦A | +1 | +0 |
| +0.0 | Round 4 | LEVINE | 25 | 3NT | ♣4 | +2 | +12 |
| -0.2 | Round 1 | CHINA HYX | 5 | 2♠ | ♣8 | +1 | +0 |
| -0.2 | Round 5 | LEBRON | 3 | 3♥ | ♣10 | -1 | -5 |
| -0.3 | Round 7 | ROMANIA | 17 | 2♠ | ♦3 | +2 | -1 |
| -0.3 | Round 7 | ROMANIA | 20 | 4♠ | ♦5 | +2 | +13 |
| -0.4 | Round 7 | ROMANIA | 19 | 3♦ | ♠A | = | +1 |
| -0.5 | Round 1 | CHINA HYX | 1 | 2♠ | ♦J | = | -5 |
| -0.6 | Round 5 | LEBRON | 2 | 3♥ | ♠10 | = | +0 |
| -0.7 | Round 4 | LEVINE | 26 | 5♦ | ♠Q | +2 | +13 |
| -0.8 | Round 4 | LEVINE | 28 | 3NT | ♣4 | -1 | -6 |
| -1.6 | Round 1 | CHINA HYX | 3 | 2♣ | ♦9 | = | -1 |
| -2.0 | Round 6 | DONGFENG FENGSHEN | 9 | 4♥ | ♠Q | +1 | +12 |
| -2.2 | Round 1 | CHINA HYX | 7 | 5♣ | ♥3 | = | +1 |
| -2.5 | Round 6 | DONGFENG FENGSHEN | 8 | 3NT | ♦J | = | +1 |
| -2.6 | Round 2 | VITAS | 9 | 4♣ | ♦A | +1 | -6 |
| -2.6 | Round 5 | LEBRON | 1 | 3NT | ♥6 | +1 | -1 |
| -2.7 | Round 6 | DONGFENG FENGSHEN | 13 | 1NT | ♠A | -2 | -2 |
| -2.8 | Round 6 | DONGFENG FENGSHEN | 11 | 2♥ | ♣10 | -1 | -5 |
| -3.0 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 20 | 3NT | ♥Q | +1 | +12 |
| -3.4 | Round 2 | VITAS | 14 | 2♥ | ♥2 | = | -6 |
| -3.4 | Round 5 | LEBRON | 4 | 2♠ | ♥6 | +1 | -10 |
| -3.6 | Round 2 | VITAS | 12 | 3♠ | ♥A | -2 | -2 |
| -4.0 | Round 6 | DONGFENG FENGSHEN | 14 | 4♠x | ♥J | -1 | -5 |
| -4.3 | Round 2 | VITAS | 10 | 3NT | ♣7 | +2 | -1 |
| -6.4 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 16 | 5♦ | ♣Q | = | -11 |
| -6.5 | Round 5 | LEBRON | 6 | 7♣ | ♣3 | = | +2 |
| -9.0 | Round 2 | VITAS | 11 | 6♠ | ♦J | -1 | -14 |
| -9.0 | Round 4 | LEVINE | 23 | 3NT | ♦4 | +1 | +13 |