YU Dingyi · JILIN BA
vs par split: bidding +1.00 · play -0.27
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.25/bd
Card play — on target: opening leads 84.2% #157 of 567 · declarer play 59.1% #552 of 567 · defence 77.8% #469 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 84.6% (13) |
| Declarer play | 50.0% (6) | 62.5% (16) |
| Defence | 69.2% (13) | 82.6% (23) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (4) · ♦ 77.8% (9) · ♣ 80.0% (5)
vs par by strain: NT +0.32 (25) · a suit +0.96 (45)
vs par by level: part-score -0.46 (24) · game +1.19 (43) · slam +3.67 (3)
By role: declaring -0.14/bd (-1.44 vs par · 34) · defending +0.51/bd (+2.78 vs par · 36)
By vulnerability: vulnerable -0.03/bd (+0.80 vs par · 35) · not vulnerable +0.41/bd (+0.66 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | Y.Wei | X.Cheng – X.Wei | Closed | 10 | -1.4 | -0.14 | -1.00 |
| Round 4 | Y.Wei | M.Whibley – M.Brown | Open | 10 | -1.2 | -0.12 | +0.10 |
| Round 8 | Y.Wei | E.Lau – L.Cheung | Open | 10 | +10.1 | +1.01 | +1.10 |
| Round 9 | Y.Wei | H.Chen – X.Li | Open | 10 | -1.3 | -0.13 | +3.30 |
| Round 13 | Y.Wei | J.Mourgues – L.Thuillez | Open | 10 | +9.6 | +0.96 | +2.80 |
| Round 14 | Y.Wei | A.Comella – S.Sabbatini | Closed | 10 | -4.2 | -0.42 | +1.00 |
| Round 15 | Y.Wei | Z.Zhu – W.Cai | Open | 10 | +1.8 | +0.18 | -2.20 |
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 |
|---|---|---|---|---|---|---|---|
| +10.4 | Round 8 | FAR EAST | 18 | 6♠ | ♣K | -1 | +13 |
| +9.0 | Round 15 | ZJJDWUHANYUAN | 26 | 4♠x | ♦3 | -3 | +5 |
| +8.2 | Round 15 | ZJJDWUHANYUAN | 28 | 6NT | ♦3 | = | +0 |
| +7.7 | Round 3 | CHENGDUGUOLI | 27 | 4♥ | ♣6 | -1 | +8 |
| +6.0 | Round 13 | PSG | 8 | 5♦ | ♣Q | +1 | +11 |
| +5.8 | Round 3 | CHENGDUGUOLI | 28 | 4♠x | ♥Q | = | +4 |
| +5.7 | Round 4 | NEW ZEALAND Open | 4 | 3NT | ♠J | +2 | +0 |
| +5.7 | Round 8 | FAR EAST | 12 | 6♣ | ♦5 | = | -2 |
| +5.2 | Round 3 | CHENGDUGUOLI | 29 | 4♠ | ♥7 | = | +10 |
| +4.8 | Round 9 | FUJIAN BOSSSOFT | 22 | 3NT | ♥A | -2 | +6 |
| +4.8 | Round 14 | ITALY Seniors | 13 | 1NT | ♠4 | +2 | +6 |
| +4.4 | Round 9 | FUJIAN BOSSSOFT | 23 | 4♠ | ♦3 | = | +14 |
| +3.6 | Round 4 | NEW ZEALAND Open | 2 | 5♥ | ♦A | = | +6 |
| +3.6 | Round 8 | FAR EAST | 16 | 3♥ | ♣A | -2 | +0 |
| +3.4 | Round 13 | PSG | 4 | 3NTx | ♥Q | -1 | +3 |
| +3.1 | Round 13 | PSG | 1 | 2♥ | ♣J | +1 | +7 |
| +2.9 | Round 13 | PSG | 7 | 3NT | ♥Q | +3 | +1 |
| +2.7 | Round 9 | FUJIAN BOSSSOFT | 28 | 2♥ | ♦4 | = | +1 |
| +2.6 | Round 13 | PSG | 10 | 1NT | ♠7 | = | -1 |
| +2.2 | Round 4 | NEW ZEALAND Open | 8 | 2♠ | ♣10 | = | +0 |
| +1.9 | Round 3 | CHENGDUGUOLI | 21 | 3NT | ♦3 | = | -2 |
| +1.9 | Round 9 | FUJIAN BOSSSOFT | 24 | 3♦ | ♣A | -2 | +5 |
| +1.7 | Round 9 | FUJIAN BOSSSOFT | 25 | 4♥ | ♦3 | +2 | +11 |
| +1.7 | Round 14 | ITALY Seniors | 17 | 3NT | ♥J | +2 | +0 |
| +1.5 | Round 14 | ITALY Seniors | 12 | 3NT | ♥10 | +2 | +1 |
| +1.5 | Round 14 | ITALY Seniors | 16 | 4♠ | ♥A | -1 | +5 |
| +1.1 | Round 13 | PSG | 9 | 3NT | ♠6 | = | +0 |
| +1.1 | Round 14 | ITALY Seniors | 14 | 2♦ | ♦8 | +1 | +0 |
| +0.9 | Round 4 | NEW ZEALAND Open | 6 | 2♥ | ♠7 | -1 | +0 |
| +0.8 | Round 3 | CHENGDUGUOLI | 24 | 5♦ | ♠A | +2 | -1 |
| +0.6 | Round 4 | NEW ZEALAND Open | 3 | 4♥ | ♠K | +2 | +11 |
| +0.5 | Round 15 | ZJJDWUHANYUAN | 25 | 3NT | ♦3 | = | +1 |
| +0.4 | Round 13 | PSG | 6 | 2♦ | ♥3 | +2 | +7 |
| +0.1 | Round 3 | CHENGDUGUOLI | 22 | 3NT | ♣Q | -1 | +5 |
| -0.0 | Round 8 | FAR EAST | 14 | 3NT | ♣J | +2 | +0 |
| -0.1 | Round 4 | NEW ZEALAND Open | 7 | 3♠ | ♣K | +1 | -1 |
| -0.2 | Round 15 | ZJJDWUHANYUAN | 24 | 3NT | ♦3 | +2 | +0 |
| -0.3 | Round 8 | FAR EAST | 13 | 3♦ | ♠A | +1 | +0 |
| -0.3 | Round 13 | PSG | 2 | 2♠ | ♣3 | -1 | +10 |
| -0.4 | Round 14 | ITALY Seniors | 15 | 5♣x | ♦J | -1 | +7 |
| -0.5 | Round 4 | NEW ZEALAND Open | 5 | 4♠ | ♣K | = | +0 |
| -0.5 | Round 8 | FAR EAST | 15 | 3NT | ♠2 | +1 | +0 |
| -0.5 | Round 9 | FUJIAN BOSSSOFT | 26 | 3NT | ♥9 | +2 | +12 |
| -0.6 | Round 4 | NEW ZEALAND Open | 1 | 4♥ | ♠K | = | -1 |
| -0.9 | Round 8 | FAR EAST | 11 | 4♠ | ♥A | +2 | -1 |
| -1.1 | Round 3 | CHENGDUGUOLI | 26 | 4♥ | ♠K | +2 | -13 |
| -1.3 | Round 8 | FAR EAST | 19 | 2NT | ♠2 | +2 | +6 |
| -1.3 | Round 15 | ZJJDWUHANYUAN | 27 | 4♠ | ♦3 | -1 | -2 |
| -1.6 | Round 4 | NEW ZEALAND Open | 10 | 1NT | ♠5 | +1 | -1 |
| -1.6 | Round 9 | FUJIAN BOSSSOFT | 29 | 2♠ | ♣4 | +2 | +1 |
| -1.8 | Round 15 | ZJJDWUHANYUAN | 23 | 1♠ | ♦3 | +2 | -1 |
| -1.9 | Round 14 | ITALY Seniors | 11 | 3NT | ♣10 | = | +1 |
| -2.1 | Round 9 | FUJIAN BOSSSOFT | 21 | 2♠ | ♣Q | +1 | -7 |
| -2.7 | Round 14 | ITALY Seniors | 18 | 4♥ | ♣4 | = | -3 |
| -2.7 | Round 15 | ZJJDWUHANYUAN | 21 | 3♥ | ♦3 | = | +0 |
| -2.8 | Round 13 | PSG | 3 | 1NT | ♦3 | +2 | -10 |
| -2.8 | Round 15 | ZJJDWUHANYUAN | 30 | 3NT | ♦3 | -1 | -5 |
| -3.2 | Round 8 | FAR EAST | 17 | 5♦ | ♥7 | -3 | -6 |
| -3.2 | Round 15 | ZJJDWUHANYUAN | 29 | 4♠ | ♦3 | -1 | -9 |
| -3.4 | Round 8 | FAR EAST | 20 | 1NT | ♥2 | = | +1 |
| -3.5 | Round 3 | CHENGDUGUOLI | 25 | 4♥ | ♦A | -1 | +0 |
| -3.9 | Round 15 | ZJJDWUHANYUAN | 22 | 1NT | ♦3 | -2 | -11 |
| -4.9 | Round 9 | FUJIAN BOSSSOFT | 27 | 4♠ | ♠3 | -1 | -10 |
| -4.9 | Round 14 | ITALY Seniors | 19 | 3NT | ♥K | -3 | -5 |
| -4.9 | Round 14 | ITALY Seniors | 20 | 4♥ | ♦A | -2 | -2 |
| -6.8 | Round 13 | PSG | 5 | 4♥ | ♥4 | -2 | +0 |
| -7.7 | Round 9 | FUJIAN BOSSSOFT | 30 | 4♠ | ♦Q | = | +0 |
| -7.8 | Round 3 | CHENGDUGUOLI | 23 | 2♣x | ♠J | +1 | -10 |
| -10.5 | Round 3 | CHENGDUGUOLI | 30 | 5♥x | ♠A | -1 | -11 |
| -11.4 | Round 4 | NEW ZEALAND Open | 9 | 3♥x | ♠A | -3 | -13 |