ZHOU Yong Mei · SAIC
vs par split: bidding +1.29 · play -0.12
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +1.59/bd
Card play — on target: opening leads 75.0% #92 of 187 · declarer play 71.4% #103 of 187 · defence 72.7% #177 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 83.3% (6) |
| Declarer play | 50.0% (2) | 80.0% (5) |
| Defence | 40.0% (5) | 82.4% (17) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 75.0% (4) · ♣ 50.0% (2)
vs par by strain: NT -0.57 (7) · a suit +2.00 (28)
vs par by level: part-score +2.46 (13) · game -0.50 (20) · slam +15.00 (2)
By role: declaring +1.78/bd (-0.25 vs par · 12) · defending +1.11/bd (+2.39 vs par · 23)
By vulnerability: vulnerable +2.04/bd (+2.94 vs par · 18) · not vulnerable +0.60/bd (-0.06 vs par · 17)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Hu | J.Liu – Y.Li | Closed | 7 | +11.7 | +1.67 | +0.14 |
| Round 2 | M.Hu | R.Li – D.Hu | Closed | 7 | +4.8 | +0.69 | -1.00 |
| Round 4 | M.Hu | P.Bertheau – J.Larsson | Closed | 7 | +1.6 | +0.23 | +2.00 |
| Round 5 | M.Hu | P.Zimmermann – B.Cronier | Open | 7 | +12.0 | +1.71 | +4.14 |
| Round 7 | M.Hu | Q.Cheng – Y.Hou | Closed | 7 | +16.9 | +2.41 | +2.14 |
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 2 | YUNNAN | 10 | 6♥ | ♣5 | -1 | +13 |
| +8.9 | Round 7 | BARR | 15 | 3♥ | ♦J | -4 | +12 |
| +7.2 | Round 5 | PZIM | 7 | 6♠ | ♦10 | -1 | +17 |
| +5.6 | Round 5 | PZIM | 2 | 2♦x | ♦3 | -2 | +5 |
| +5.5 | Round 1 | CHIME | 7 | 3♥ | ♣5 | = | +7 |
| +4.7 | Round 7 | BARR | 19 | 4♠ | ♥Q | -1 | +5 |
| +3.4 | Round 4 | PLATINUM CEM | 25 | 4♥ | ♠A | -1 | +6 |
| +3.3 | Round 1 | CHIME | 1 | 3NT | ♣6 | +1 | +0 |
| +3.2 | Round 7 | BARR | 18 | 4♠ | ♦7 | +2 | +1 |
| +2.6 | Round 7 | BARR | 16 | 4♠ | ♦J | = | +0 |
| +2.3 | Round 2 | YUNNAN | 11 | 4♥ | ♦A | +1 | +0 |
| +2.3 | Round 5 | PZIM | 6 | 4♦ | ♥6 | -1 | +6 |
| +2.0 | Round 1 | CHIME | 5 | 1NT | ♠10 | -1 | -2 |
| +1.2 | Round 4 | PLATINUM CEM | 23 | 3NT | ♥10 | = | +0 |
| +1.1 | Round 1 | CHIME | 6 | 4♥ | ♣K | +1 | +0 |
| +0.9 | Round 1 | CHIME | 3 | 3♣ | ♠K | -1 | -5 |
| +0.9 | Round 2 | YUNNAN | 9 | 2♥ | ♦5 | -3 | +5 |
| +0.9 | Round 4 | PLATINUM CEM | 27 | 3♥ | ♣K | -1 | +4 |
| +0.6 | Round 4 | PLATINUM CEM | 22 | 4♠ | ♦A | +1 | +0 |
| +0.6 | Round 5 | PZIM | 3 | 3♥ | ♦2 | -2 | +1 |
| +0.6 | Round 7 | BARR | 21 | 4♥ | ♠3 | -1 | -2 |
| +0.1 | Round 5 | PZIM | 5 | 2♦ | ♠7 | -1 | -1 |
| -0.4 | Round 1 | CHIME | 2 | 3NT | ♠A | +1 | +0 |
| -0.4 | Round 2 | YUNNAN | 14 | 4♠ | ♥Q | +2 | -14 |
| -0.6 | Round 5 | PZIM | 4 | 3NT | ♦3 | +1 | +1 |
| -0.7 | Round 1 | CHIME | 4 | 2♥ | ♠7 | -1 | +1 |
| -0.7 | Round 4 | PLATINUM CEM | 28 | 1NT | ♣5 | -1 | -1 |
| -0.8 | Round 7 | BARR | 20 | 4♠ | ♦A | +1 | +0 |
| -1.7 | Round 2 | YUNNAN | 13 | 3NT | ♦5 | +4 | -2 |
| -1.9 | Round 4 | PLATINUM CEM | 24 | 2♥ | ♠J | = | +0 |
| -1.9 | Round 4 | PLATINUM CEM | 26 | 5♣ | ♦A | +1 | +5 |
| -2.3 | Round 7 | BARR | 17 | 4♠ | ♥2 | +2 | -1 |
| -2.6 | Round 2 | YUNNAN | 12 | 4♥ | ♣7 | +1 | -1 |
| -3.2 | Round 5 | PZIM | 1 | 4♠ | ♦3 | = | +0 |
| -5.6 | Round 2 | YUNNAN | 8 | 4♥ | ♦5 | = | -8 |