CAO Yi · ZHONGFU
vs par split: bidding +1.73 · play -0.49
Strength of schedule: opponents averaged -0.24/bd (an easy draw) → opponent-adjusted +0.10/bd
Card play — on target: opening leads 66.7% #444 of 579 · declarer play 72.7% #283 of 579 · defence 80.0% #458 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 40.0% (5) | 80.0% (10) |
| Declarer play | 0.0% (1) | 80.0% (10) |
| Defence | 83.3% (6) | 78.9% (19) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 66.7% (6) · ♦ 66.7% (3) · ♣ 100.0% (4)
vs par by strain: NT -1.67 (9) · a suit +1.90 (40)
vs par by level: part-score +1.08 (24) · game -0.05 (19) · slam +6.00 (6)
By role: declaring -0.73/bd (-2.92 vs par · 24) · defending +1.37/bd (+5.24 vs par · 25)
By vulnerability: vulnerable +0.11/bd (-0.08 vs par · 25) · not vulnerable +0.58/bd (+2.62 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Tang | LELIN - – D.Chan | Closed | 7 | -16.7 | -2.39 | -0.57 |
| Round 2 | J.Zhou | Y.Zhang – Z.Li | Open | 7 | +3.3 | +0.47 | +1.57 |
| Round 4 | J.Zhou | W.Guo – X.Xue | Closed | 7 | +3.8 | +0.54 | -3.29 |
| Round 5 | K.Tang | C.Ho – A.Chao | Open | 7 | -4.2 | -0.60 | -0.71 |
| Round 6 | K.Tang | B.Marina – I.Coldea | Open | 7 | +19.2 | +2.74 | +5.29 |
| Round 7 | K.Tang | P.Ilczuk – L.Majdanski | Closed | 7 | +5.4 | +0.77 | +2.29 |
| Round 8 | K.Tang | Z.Li – Z.Yu | Open | 7 | +5.9 | +0.84 | +4.14 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 4 | BEIJING LAWYERS | 25 | 6♦ | ♦J | = | +0 |
| +10.5 | Round 8 | DONGFENG FENGSHEN | 22 | 6♠x | ♥7 | -2 | +15 |
| +9.0 | Round 2 | BEYOND | 11 | 6♠ | ♥K | -1 | +14 |
| +8.0 | Round 2 | BEYOND | 9 | 6♣ | ♦A | -2 | +11 |
| +7.4 | Round 6 | ROMANIA | 9 | 3♥ | ♣A | +2 | +15 |
| +6.7 | Round 1 | HEY YO | 7 | 2♠ | ♦A | = | +11 |
| +5.9 | Round 5 | GENTLE | 6 | 6♣ | ♣J | +1 | +13 |
| +5.0 | Round 6 | ROMANIA | 12 | 3NT | ♠2 | -2 | +11 |
| +5.0 | Round 6 | ROMANIA | 13 | 4♠ | ♥A | -1 | +6 |
| +3.9 | Round 4 | BEIJING LAWYERS | 27 | 5♣ | ♣A | +1 | +1 |
| +3.7 | Round 7 | CONSUS POLAND | 16 | 3♣ | ♦7 | +2 | +10 |
| +3.5 | Round 8 | DONGFENG FENGSHEN | 28 | 4♥ | ♣8 | -2 | +11 |
| +3.0 | Round 6 | ROMANIA | 8 | 3♠ | ♣A | -3 | +7 |
| +2.8 | Round 6 | ROMANIA | 14 | 5♣ | ♠6 | = | +3 |
| +2.6 | Round 2 | BEYOND | 8 | 2♠ | ♥K | = | +5 |
| +2.4 | Round 1 | HEY YO | 4 | 2♠ | ♥K | = | +6 |
| +2.4 | Round 8 | DONGFENG FENGSHEN | 25 | 4♠x | ♦K | -2 | +7 |
| +2.0 | Round 7 | CONSUS POLAND | 21 | 4♠ | ♣3 | -1 | +5 |
| +1.9 | Round 7 | CONSUS POLAND | 15 | 3♦ | ♥A | +3 | +13 |
| +1.0 | Round 5 | GENTLE | 7 | 4♠ | ♦5 | = | +0 |
| +0.8 | Round 4 | BEIJING LAWYERS | 28 | 3NT | ♣4 | -1 | +6 |
| +0.4 | Round 5 | GENTLE | 2 | 3♠ | ♣9 | -1 | +1 |
| +0.4 | Round 5 | GENTLE | 5 | 3♥ | ♣A | = | +0 |
| +0.3 | Round 7 | CONSUS POLAND | 17 | 2♠ | ♥3 | +2 | +1 |
| +0.3 | Round 7 | CONSUS POLAND | 20 | 4♥ | ♥A | +2 | -13 |
| -0.0 | Round 4 | BEIJING LAWYERS | 22 | 3♥ | ♦A | = | +0 |
| +0.0 | Round 7 | CONSUS POLAND | 19 | 2♣ | ♥10 | = | -1 |
| -0.2 | Round 1 | HEY YO | 5 | 2♠ | ♠4 | +1 | +0 |
| -0.5 | Round 8 | DONGFENG FENGSHEN | 23 | 1NT | ♦6 | = | -1 |
| -0.7 | Round 4 | BEIJING LAWYERS | 24 | 5♦ | ♠3 | = | +2 |
| -1.1 | Round 2 | BEYOND | 13 | 4♥ | ♦5 | +1 | +0 |
| -1.2 | Round 6 | ROMANIA | 10 | 2♠ | ♦A | +1 | +0 |
| -1.6 | Round 1 | HEY YO | 3 | 3♠ | ♣9 | -1 | -1 |
| -1.9 | Round 5 | GENTLE | 3 | 3NT | ♠10 | -2 | -6 |
| -2.2 | Round 2 | BEYOND | 14 | 3♥ | ♠9 | -2 | +0 |
| -2.6 | Round 5 | GENTLE | 1 | 3NT | ♥7 | +1 | -1 |
| -2.8 | Round 6 | ROMANIA | 11 | 4♣ | ♠2 | -1 | -5 |
| -2.8 | Round 7 | CONSUS POLAND | 18 | 1NT | ♥5 | +1 | +1 |
| -2.9 | Round 8 | DONGFENG FENGSHEN | 26 | 3NT | ♠3 | +1 | -1 |
| -3.5 | Round 8 | DONGFENG FENGSHEN | 24 | 4♥ | ♦9 | +2 | -1 |
| -3.6 | Round 8 | DONGFENG FENGSHEN | 27 | 4♣ | ♥10 | = | -1 |
| -4.6 | Round 4 | BEIJING LAWYERS | 23 | 6NT | ♥8 | -2 | -17 |
| -5.0 | Round 2 | BEYOND | 12 | 2♠ | ♥7 | -3 | -7 |
| -5.6 | Round 1 | HEY YO | 6 | 4♦ | ♠10 | = | -1 |
| -7.4 | Round 5 | GENTLE | 4 | 4♠ | ♣8 | -1 | -12 |
| -7.5 | Round 4 | BEIJING LAWYERS | 26 | 3♦ | ♣A | +3 | -15 |
| -8.0 | Round 2 | BEYOND | 10 | 4♠ | ♣3 | -1 | -12 |
| -8.8 | Round 1 | HEY YO | 1 | 4♦x | ♥6 | -3 | -12 |
| -9.6 | Round 1 | HEY YO | 2 | 3NT | ♠Q | = | -7 |