YAN Shi Rock · MCMULLIN
vs par split: bidding +1.31 · play +1.29
Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted +1.36/bd
Card play — on target: opening leads 73.3% #364 of 579 · declarer play 84.6% #128 of 579 · defence 83.3% #387 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (6) | 100.0% (9) |
| Declarer play | 66.7% (3) | 90.0% (10) |
| Defence | 80.0% (10) | 85.7% (14) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 75.0% (4) · ♦ 0.0% (1) · ♣ 80.0% (5)
vs par by strain: NT +4.07 (15) · a suit +1.78 (27)
vs par by level: part-score +0.38 (16) · game +4.15 (20) · slam +3.33 (6)
By role: declaring +2.46/bd (-1.50 vs par · 18) · defending +0.85/bd (+5.67 vs par · 24)
By vulnerability: vulnerable +1.59/bd (+2.50 vs par · 20) · not vulnerable +1.49/bd (+2.68 vs par · 22)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | G.Zhang | M.Ticha – R.Ritmeijer | Open | 7 | +5.5 | +0.79 | +2.14 |
| Round 4 | G.Zhang | H.Song – G.Huang | Closed | 7 | +4.8 | +0.69 | +5.86 |
| Round 5 | G.Zhang | Y.Yang – Y.Dong | Closed | 7 | +7.7 | +1.10 | +1.00 |
| Round 6 | G.Zhang | Y.Atabey – U.Suzer | Open | 7 | +19.7 | +2.81 | +0.00 |
| Round 7 | G.Zhang | X.Feng – L.Gu | Closed | 7 | +13.5 | +1.93 | +0.86 |
| Round 8 | G.Zhang | J.Li – Z.Fu | Closed | 7 | +13.4 | +1.91 | +5.71 |
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 |
|---|---|---|---|---|---|---|---|
| +13.1 | Round 6 | AYDIN | 9 | 6♥ | ♣A | = | +2 |
| +10.1 | Round 7 | CHANGYU | 18 | 2♦x | ♠10 | -2 | +8 |
| +8.1 | Round 5 | KALAJUN-XINJIANG | 1 | 3NT | ♥7 | -1 | +10 |
| +7.6 | Round 8 | P D TIMES | 22 | 6NT | ♣Q | -3 | +14 |
| +6.1 | Round 6 | AYDIN | 12 | 3NT | ♦5 | = | -1 |
| +6.1 | Round 7 | CHANGYU | 16 | 3NT | ♦A | +1 | +1 |
| +5.9 | Round 4 | YUETAO OF GUANGZHOU | 28 | 3♣ | ♠Q | -4 | +2 |
| +5.5 | Round 5 | KALAJUN-XINJIANG | 3 | 2♠x | ♠5 | -1 | +2 |
| +5.5 | Round 5 | KALAJUN-XINJIANG | 4 | 3NT | ♥2 | = | -1 |
| +5.4 | Round 6 | AYDIN | 10 | 3♦ | ♠A | -4 | +6 |
| +5.2 | Round 3 | NETHERLANDS | 21 | 6♠ | ♥J | +1 | -13 |
| +5.0 | Round 3 | NETHERLANDS | 16 | 6♦ | ♥10 | = | -2 |
| +3.5 | Round 8 | P D TIMES | 28 | 4♥ | ♣8 | -2 | +11 |
| +3.0 | Round 7 | CHANGYU | 17 | 3♦ | ♠K | -1 | +3 |
| +2.5 | Round 6 | AYDIN | 8 | 3NT | ♦J | = | -1 |
| +2.4 | Round 8 | P D TIMES | 25 | 4♠x | ♦A | -2 | +7 |
| +2.0 | Round 3 | NETHERLANDS | 15 | 2♠ | ♦6 | = | +0 |
| +2.0 | Round 4 | YUETAO OF GUANGZHOU | 23 | 6♣ | ♥8 | -1 | +17 |
| +1.2 | Round 8 | P D TIMES | 24 | 4♠x | ♣9 | -2 | +4 |
| +1.0 | Round 5 | KALAJUN-XINJIANG | 7 | 4♠ | ♥6 | = | +0 |
| +0.9 | Round 8 | P D TIMES | 27 | 3♣ | ♥10 | -1 | +4 |
| +0.7 | Round 4 | YUETAO OF GUANGZHOU | 24 | 3NT | ♠5 | = | -2 |
| +0.6 | Round 3 | NETHERLANDS | 18 | 2NT | ♦2 | -2 | +0 |
| +0.1 | Round 4 | YUETAO OF GUANGZHOU | 26 | 5♦ | ♣Q | +1 | +13 |
| +0.0 | Round 4 | YUETAO OF GUANGZHOU | 22 | 2♥ | ♦A | +1 | +0 |
| +0.0 | Round 4 | YUETAO OF GUANGZHOU | 25 | 3NT | ♣4 | +2 | +12 |
| -0.2 | Round 8 | P D TIMES | 23 | 1NT | ♠6 | -1 | +0 |
| -0.3 | Round 7 | CHANGYU | 20 | 4♠ | ♣10 | +2 | +13 |
| -0.4 | Round 6 | AYDIN | 14 | 5♠x | ♦A | -2 | +0 |
| -0.6 | Round 5 | KALAJUN-XINJIANG | 2 | 3♥ | ♠10 | = | +0 |
| -1.5 | Round 3 | NETHERLANDS | 17 | 1NT | ♠K | +1 | +1 |
| -1.5 | Round 7 | CHANGYU | 19 | 2NT | ♥7 | +1 | -1 |
| -1.9 | Round 7 | CHANGYU | 15 | 3♠ | ♣K | +1 | -13 |
| -2.0 | Round 3 | NETHERLANDS | 19 | 4NT | ♥2 | = | +17 |
| -2.0 | Round 7 | CHANGYU | 21 | 4♠ | ♣3 | -1 | -5 |
| -2.0 | Round 8 | P D TIMES | 26 | 3NT | ♥J | = | +0 |
| -2.1 | Round 6 | AYDIN | 11 | 3♣ | ♣2 | +1 | +0 |
| -3.8 | Round 3 | NETHERLANDS | 20 | 3NT | ♠10 | +2 | +12 |
| -3.9 | Round 4 | YUETAO OF GUANGZHOU | 27 | 5♣ | ♦A | +1 | -1 |
| -4.9 | Round 6 | AYDIN | 13 | 2♦ | ♥5 | = | -6 |
| -5.3 | Round 5 | KALAJUN-XINJIANG | 5 | 4♥ | ♣K | -1 | -6 |
| -6.5 | Round 5 | KALAJUN-XINJIANG | 6 | 7♣ | ♠8 | = | +2 |