ZHANG Yanmei · WEST VIP
vs par split: bidding -0.50 · play -0.61
Strength of schedule: opponents averaged -0.69/bd (an easy draw) → opponent-adjusted -1.61/bd
Card play — on target: opening leads 75.0% #278 of 398 · declarer play 33.3% #395 of 398 · defence 77.8% #337 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 87.5% (8) |
| Declarer play | 0.0% (1) | 50.0% (2) |
| Defence | 71.4% (7) | 81.8% (11) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 50.0% (4) · ♦ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT -2.20 (10) · a suit -0.50 (18)
vs par by level: part-score -4.00 (9) · game -0.67 (18) · slam +17.00 (1)
By role: declaring +0.38/bd (-2.00 vs par · 10) · defending -1.66/bd (-0.61 vs par · 18)
By vulnerability: vulnerable -1.12/bd (-0.93 vs par · 14) · not vulnerable -0.74/bd (-1.29 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Chen | W.Yue – X.Li | Open | 7 | -10.3 | -1.47 | -2.14 |
| Round 3 | J.Chen | H.Yokoi – H.Kim | Open | 7 | -10.8 | -1.54 | -0.86 |
| Round 4 | Y.He | D.Stern – W.Burgess | Open | 7 | +4.4 | +0.63 | +1.71 |
| Round 8 | J.Chen | J.Rosenfeld – J.Gu | Closed | 7 | -9.3 | -1.33 | -3.14 |
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 |
|---|---|---|---|---|---|---|---|
| +7.1 | Round 4 | BURGESS | 23 | 6♥ | ♦9 | -1 | +17 |
| +5.2 | Round 2 | SHANDONGPUSHI TEAM | 14 | 5♦ | ♦2 | = | -2 |
| +4.7 | Round 8 | PANDA | 22 | 3♥ | ♠6 | -2 | +3 |
| +4.0 | Round 3 | SOUL | 15 | 4♥ | ♣K | = | +8 |
| +3.8 | Round 4 | BURGESS | 27 | 5♣x | ♠4 | -1 | +5 |
| +2.8 | Round 4 | BURGESS | 24 | 3NT | ♠6 | +2 | +0 |
| +2.5 | Round 4 | BURGESS | 28 | 3♠x | ♦A | -1 | +2 |
| +1.3 | Round 2 | SHANDONGPUSHI TEAM | 13 | 3NT | ♥2 | +1 | +1 |
| +0.9 | Round 3 | SOUL | 19 | 5♥ | ♦3 | +1 | +1 |
| +0.4 | Round 3 | SOUL | 17 | 3♦ | ♦A | -1 | -5 |
| -0.1 | Round 4 | BURGESS | 25 | 3NT | ♠4 | = | +0 |
| -0.7 | Round 8 | PANDA | 26 | 3♣ | ♦J | -1 | -5 |
| -1.0 | Round 3 | SOUL | 21 | 3NT | ♥3 | +2 | +0 |
| -1.4 | Round 2 | SHANDONGPUSHI TEAM | 9 | 2♠ | ♣6 | +1 | -7 |
| -1.4 | Round 3 | SOUL | 20 | 3NT | ♠8 | +2 | +0 |
| -1.8 | Round 8 | PANDA | 28 | 3♥ | ♠8 | -1 | -3 |
| -2.1 | Round 2 | SHANDONGPUSHI TEAM | 11 | 3♦ | ♥10 | = | +1 |
| -2.1 | Round 8 | PANDA | 25 | 5♠x | ♥5 | -2 | +0 |
| -2.2 | Round 8 | PANDA | 24 | 3NT | ♥3 | +2 | +0 |
| -2.3 | Round 2 | SHANDONGPUSHI TEAM | 10 | 3NT | ♣8 | = | +0 |
| -2.6 | Round 8 | PANDA | 23 | 2♠ | ♣A | = | -12 |
| -3.4 | Round 4 | BURGESS | 22 | 4NT | ♥10 | = | -13 |
| -4.6 | Round 8 | PANDA | 27 | 4♠ | ♥3 | -1 | -5 |
| -5.1 | Round 3 | SOUL | 18 | 3NT | ♥K | = | +0 |
| -5.2 | Round 2 | SHANDONGPUSHI TEAM | 12 | 4♠ | ♦4 | = | -3 |
| -5.8 | Round 2 | SHANDONGPUSHI TEAM | 8 | 5♠x | ♥6 | -2 | -5 |
| -8.3 | Round 4 | BURGESS | 26 | 4♠ | ♣A | = | +1 |
| -8.6 | Round 3 | SOUL | 16 | 1NTx | ♥7 | +2 | -10 |