CHEN Jien · ZUOMEICHENG
vs par split: bidding -1.26 · play +0.32
Strength of schedule: opponents averaged +0.77/bd (a tough draw) → opponent-adjusted -0.10/bd
Card play — on target: opening leads 100.0% · declarer play 75.0% · defence 88.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (6) |
| Declarer play | · | 75.0% (4) |
| Defence | · | 88.9% (9) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (1) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: a suit -0.95 (19)
vs par by level: part-score -3.83 (6) · game +0.46 (11) · slam +0.00 (2)
By role: declaring -0.14/bd (-0.89 vs par · 18) · defending -1.80/bd (+2.64 vs par · 14)
By vulnerability: vulnerable -1.16/bd (+0.38 vs par · 16) · not vulnerable -0.58/bd (+0.94 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | J.Peng | A.Zmudzinski – C.Balicki | Open | 16 | -9.1 | -0.57 | +0.00 |
| Quarterfinal | J.Peng | A.Zmudzinski – C.Balicki | Open | 16 | -18.7 | -1.17 | +1.31 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Quarterfinal | RUSSIA | 30 | 3Nxx | ♠5 | = | +12 |
| +8.9 | Quarterfinal | RUSSIA | 5 | 6♦ | ♥A | = | -2 |
| +3.4 | Quarterfinal | RUSSIA | 20 | 1♠ | ♣10 | -1 | +5 |
| +3.1 | Quarterfinal | RUSSIA | 32 | 1N | = | +5 | |
| +2.3 | Quarterfinal | RUSSIA | 9 | 4♥ | ♠8 | = | +11 |
| +2.0 | Quarterfinal | RUSSIA | 15 | 3N | ♠7 | -2 | +11 |
| +1.9 | Quarterfinal | RUSSIA | 8 | 2♣ | ♥6 | +1 | +0 |
| +1.9 | Quarterfinal | RUSSIA | 25 | 3N | ♣4 | +1 | -1 |
| +1.4 | Quarterfinal | RUSSIA | 18 | 4♥ | ♣K | -1 | -2 |
| +0.6 | Quarterfinal | RUSSIA | 14 | 3N | ♣8 | -2 | +6 |
| +0.6 | Quarterfinal | RUSSIA | 17 | 4♠x | ♥A | -2 | +4 |
| +0.0 | Quarterfinal | RUSSIA | 26 | 3N | ♠10 | +1 | +0 |
| -0.1 | Quarterfinal | RUSSIA | 10 | 4♠ | ♥K | +1 | +0 |
| -0.3 | Quarterfinal | RUSSIA | 4 | 4♥ | ♠Q | -3 | +10 |
| -0.4 | Quarterfinal | RUSSIA | 13 | 3N | ♠2 | = | -1 |
| -0.6 | Quarterfinal | RUSSIA | 24 | 5♦x | ♥5 | -1 | +0 |
| -0.7 | Quarterfinal | RUSSIA | 2 | 3♥ | ♠K | -1 | -11 |
| -0.7 | Quarterfinal | RUSSIA | 23 | 3N | ♣10 | +2 | +12 |
| -0.9 | Quarterfinal | RUSSIA | 11 | 2♦ | ♠K | -1 | -4 |
| -0.9 | Quarterfinal | RUSSIA | 16 | 3N | ♥9 | = | -1 |
| -0.9 | Quarterfinal | RUSSIA | 19 | 3N | ♥3 | +3 | +13 |
| -1.3 | Quarterfinal | RUSSIA | 28 | 4♠ | ♥5 | -2 | -1 |
| -1.4 | Quarterfinal | RUSSIA | 6 | 4♥ | ♦K | -1 | -5 |
| -1.9 | Quarterfinal | RUSSIA | 3 | 3N | ♠6 | -2 | -6 |
| -2.9 | Quarterfinal | RUSSIA | 12 | 1N | ♥J | +1 | -1 |
| -3.4 | Quarterfinal | RUSSIA | 27 | 4♠x | ♥A | -1 | -5 |
| -4.6 | Quarterfinal | RUSSIA | 7 | 4♥ | ♠A | = | -3 |
| -4.7 | Quarterfinal | RUSSIA | 21 | 2♠ | ♣A | -3 | -5 |
| -8.1 | Quarterfinal | RUSSIA | 31 | 2♥x | ♠K | -3 | -8 |
| -10.1 | Quarterfinal | RUSSIA | 22 | 3N | ♣10 | -1 | -10 |
| -10.4 | Quarterfinal | RUSSIA | 29 | 6♦ | ♠K | = | +2 |
| -10.7 | Quarterfinal | RUSSIA | 1 | 5♣x | ♦3 | = | -4 |