YAO Jian · MINGXIN GROUP
285rank
+4.0Butler · 100 bds
+0.04per board
±4.5swing
+0.59vs par /bd · #95/567
+0.10adjusted /bd
by round
vs par split: bidding -0.15 · play +0.72
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.10/bd
Card play — on target: opening leads 90.0% #52 of 567 · declarer play 81.8% #168 of 567 · defence 83.9% #248 of 567
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 85.7% (7) | 91.3% (23) |
| Declarer play | 77.8% (9) | 84.6% (13) |
| Defence | 84.6% (13) | 83.7% (43) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 100.0% (5) · ♦ 80.0% (10) · ♣ 88.9% (9)
vs par by strain: NT +1.24 (29) · a suit +0.29 (70)
vs par by level: part-score +0.34 (38) · game +1.00 (53) · slam -1.25 (8)
By role: declaring +0.18/bd (-1.04 vs par · 44) · defending -0.07/bd (+1.88 vs par · 56)
By vulnerability: vulnerable -0.24/bd (+0.88 vs par · 49) · not vulnerable +0.31/bd (+0.31 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Zhu | S.Auken – R.Welland | Open | 10 | -17.2 | -1.72 | -1.10 |
| Round 3 | X.Zhu | B.Neill – A.Kanetkar | Open | 10 | -3.5 | -0.35 | +0.80 |
| Round 4 | X.Zhu | A.Gandoglia – M.Chavarria | Closed | 10 | -26.2 | -2.62 | -2.70 |
| Round 7 | X.Zhu | Z.Ba – L.Tian | Closed | 10 | -4.3 | -0.43 | +2.30 |
| Round 8 | X.Zhu | X.Guo – S.Cao | Open | 10 | +17.4 | +1.74 | +1.60 |
| Round 10 | X.Zhu | T.Chen – B.Zhou | Open | 10 | -7.9 | -0.79 | -3.10 |
| Round 11 | X.Zhu | D.Fan – Y.Ma | Closed | 10 | +28.0 | +2.80 | +3.80 |
| Round 12 | X.Zhu | T.Ma – X.Zheng | Closed | 10 | +30.8 | +3.08 | +1.90 |
| Round 14 | X.Zhu | C.Liu – Z.Xie | Closed | 10 | +9.6 | +0.96 | +2.70 |
| Round 15 | X.Zhu | J.Ge – H.Liu | Open | 10 | -22.7 | -2.27 | -0.30 |
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 |
|---|---|---|---|---|---|---|---|
| +10.2 | Round 14 | ASYMCHEM | 18 | 4♠ | ♠5 | -1 | +12 |
| +9.1 | Round 12 | YUNNAN | 28 | 6♥ | ♣3 | -2 | +14 |
| +9.0 | Round 11 | WUHAN ENGINEERING | 13 | 4♥ | ♦4 | -2 | +8 |
| +9.0 | Round 12 | YUNNAN | 29 | 3NT | ♣6 | = | +10 |
| +7.9 | Round 14 | ASYMCHEM | 11 | 3NT | ♣9 | -1 | +10 |
| +7.2 | Round 11 | WUHAN ENGINEERING | 14 | 3NT | ♦2 | -3 | +7 |
| +7.0 | Round 8 | WUHAN JIANG AN AREA | 12 | 6♥ | ♦K | = | +0 |
| +6.9 | Round 15 | JSQX NJZS BRIDGECLUB | 22 | 3NT | ♠4 | -1 | +12 |
| +6.1 | Round 8 | WUHAN JIANG AN AREA | 19 | 3NT | ♥K | -3 | +11 |
| +5.9 | Round 12 | YUNNAN | 24 | 4♠ | ♣A | +1 | +0 |
| +5.7 | Round 4 | ITALY Mixed | 4 | 3NT | ♠J | +2 | +0 |
| +5.5 | Round 8 | WUHAN JIANG AN AREA | 13 | 3♣ | ♠K | -1 | +6 |
| +5.1 | Round 11 | WUHAN ENGINEERING | 11 | 4♥ | ♣K | = | +8 |
| +4.9 | Round 12 | YUNNAN | 26 | 4♥ | ♣3 | -1 | +6 |
| +4.8 | Round 11 | WUHAN ENGINEERING | 17 | 2♥ | ♠2 | = | +11 |
| +4.5 | Round 7 | NEIMENGGU | 1 | 1NT | ♦4 | +2 | +6 |
| +4.5 | Round 7 | NEIMENGGU | 10 | 5♦x | ♠Q | -1 | +8 |
| +4.1 | Round 3 | AUSTRALIA Seniors | 23 | 4♠ | ♣A | -2 | +7 |
| +4.0 | Round 11 | WUHAN ENGINEERING | 19 | 3NT | ♠10 | = | +0 |
| +3.5 | Round 3 | AUSTRALIA Seniors | 25 | 3♥ | ♦A | -1 | +0 |
| +3.5 | Round 14 | ASYMCHEM | 19 | 3♥ | ♣3 | -2 | +5 |
| +3.4 | Round 12 | YUNNAN | 25 | 6♠ | ♦3 | +1 | -11 |
| +3.2 | Round 8 | WUHAN JIANG AN AREA | 17 | 4♥x | ♦3 | -1 | +0 |
| +3.2 | Round 11 | WUHAN ENGINEERING | 16 | 4♥ | ♣Q | -1 | +5 |
| +3.1 | Round 10 | HIIMOTOR | 7 | 3NT | ♦2 | = | +0 |
| +2.7 | Round 10 | HIIMOTOR | 2 | 4♠ | ♥A | = | +3 |
| +2.5 | Round 7 | NEIMENGGU | 2 | 2♠ | ♣A | -2 | +0 |
| +2.5 | Round 12 | YUNNAN | 30 | 2♦ | ♦K | = | +6 |
| +2.4 | Round 8 | WUHAN JIANG AN AREA | 16 | 3♥ | ♣K | -1 | -2 |
| +2.4 | Round 12 | YUNNAN | 22 | 6♣ | ♦J | = | -2 |
| +2.3 | Round 14 | ASYMCHEM | 20 | 1NT | ♦6 | = | +6 |
| +2.1 | Round 10 | HIIMOTOR | 1 | 1NT | ♦10 | -1 | -1 |
| +2.0 | Round 3 | AUSTRALIA Seniors | 27 | 3NT | ♦3 | = | +3 |
| +1.5 | Round 1 | POLMANY | 2 | 4♦ | ♥A | = | +0 |
| +1.5 | Round 14 | ASYMCHEM | 16 | 4♠ | ♥A | -1 | +5 |
| +1.4 | Round 11 | WUHAN ENGINEERING | 12 | 4♥ | ♦J | = | +0 |
| +1.3 | Round 7 | NEIMENGGU | 8 | 3NT | ♦6 | = | +11 |
| +1.3 | Round 15 | JSQX NJZS BRIDGECLUB | 26 | 2♠ | ♣A | -2 | +10 |
| +1.2 | Round 10 | HIIMOTOR | 4 | 3♦ | ♠2 | = | -1 |
| +1.1 | Round 3 | AUSTRALIA Seniors | 26 | 4♥ | ♠K | +2 | +13 |
| +1.0 | Round 12 | YUNNAN | 21 | 2♠ | ♦A | = | +0 |
| +0.8 | Round 7 | NEIMENGGU | 3 | 3♦ | ♣A | = | +0 |
| +0.6 | Round 1 | POLMANY | 1 | 2♠ | ♣3 | +2 | +6 |
| +0.6 | Round 1 | POLMANY | 10 | 1NT | ♠2 | +2 | +1 |
| +0.5 | Round 1 | POLMANY | 7 | 2NT | ♥4 | = | +0 |
| +0.5 | Round 14 | ASYMCHEM | 14 | 1NT | ♣5 | = | -1 |
| +0.5 | Round 15 | JSQX NJZS BRIDGECLUB | 25 | 3NT | ♣4 | +1 | +0 |
| +0.4 | Round 4 | ITALY Mixed | 5 | 4♠ | ♥A | +1 | +1 |
| +0.4 | Round 7 | NEIMENGGU | 7 | 2♦ | ♥6 | = | +1 |
| +0.3 | Round 3 | AUSTRALIA Seniors | 24 | 5♦ | ♥4 | = | +2 |
| +0.3 | Round 4 | ITALY Mixed | 1 | 4♥ | ♠K | +1 | +0 |
| +0.2 | Round 10 | HIIMOTOR | 3 | 3♣ | ♦10 | +2 | -6 |
| +0.2 | Round 15 | JSQX NJZS BRIDGECLUB | 21 | 3♦ | ♥A | -1 | -3 |
| +0.2 | Round 15 | JSQX NJZS BRIDGECLUB | 24 | 3NT | ♠5 | +2 | +0 |
| +0.0 | Round 8 | WUHAN JIANG AN AREA | 11 | 5♠ | ♥K | = | +0 |
| -0.0 | Round 8 | WUHAN JIANG AN AREA | 14 | 3NT | ♦3 | +2 | +0 |
| -0.0 | Round 10 | HIIMOTOR | 8 | 6NT | ♣7 | = | -11 |
| -0.1 | Round 14 | ASYMCHEM | 17 | 3NT | ♥J | = | -2 |
| -0.2 | Round 11 | WUHAN ENGINEERING | 18 | 3♥ | ♣J | -1 | +0 |
| -0.3 | Round 3 | AUSTRALIA Seniors | 30 | 4♥ | ♦3 | +1 | +0 |
| -0.4 | Round 7 | NEIMENGGU | 6 | 5♦ | ♣3 | = | +0 |
| -0.6 | Round 4 | ITALY Mixed | 10 | 2♣ | ♠K | = | +0 |
| -0.6 | Round 11 | WUHAN ENGINEERING | 20 | 2♠ | ♦5 | +1 | -1 |
| -1.2 | Round 12 | YUNNAN | 23 | 2♥ | ♥5 | +2 | -1 |
| -1.3 | Round 4 | ITALY Mixed | 2 | 6♣x | ♥K | -1 | +0 |
| -1.4 | Round 1 | POLMANY | 9 | 2♣ | ♣8 | +1 | +3 |
| -1.4 | Round 10 | HIIMOTOR | 9 | Pass | +3 | ||
| -1.4 | Round 14 | ASYMCHEM | 13 | 2♠ | ♦6 | = | +0 |
| -1.5 | Round 8 | WUHAN JIANG AN AREA | 15 | 3NT | ♣A | +2 | -1 |
| -1.7 | Round 4 | ITALY Mixed | 8 | 1NT | ♣3 | -1 | -4 |
| -1.7 | Round 8 | WUHAN JIANG AN AREA | 18 | 5♦ | ♣5 | = | +2 |
| -2.0 | Round 4 | ITALY Mixed | 6 | 2♥ | ♠7 | -2 | -3 |
| -2.1 | Round 1 | POLMANY | 6 | 3♥ | ♦6 | = | +7 |
| -2.1 | Round 3 | AUSTRALIA Seniors | 22 | 3NT | ♥10 | -2 | -6 |
| -2.3 | Round 1 | POLMANY | 3 | 2♥ | ♠8 | +2 | -1 |
| -2.3 | Round 10 | HIIMOTOR | 10 | 2♠ | ♦4 | +1 | -1 |
| -2.7 | Round 3 | AUSTRALIA Seniors | 21 | 4♥ | ♠K | = | +1 |
| -2.9 | Round 1 | POLMANY | 5 | 3♣ | ♣8 | +1 | -7 |
| -3.1 | Round 1 | POLMANY | 8 | 4♠ | ♥4 | -1 | -10 |
| -3.6 | Round 8 | WUHAN JIANG AN AREA | 20 | 3♥ | ♠6 | -1 | +0 |
| -4.0 | Round 10 | HIIMOTOR | 5 | 3♠ | ♣A | -2 | -7 |
| -4.1 | Round 15 | JSQX NJZS BRIDGECLUB | 23 | 2♠ | ♥Q | -1 | -5 |
| -4.2 | Round 3 | AUSTRALIA Seniors | 28 | 3NT | ♦Q | +4 | -2 |
| -4.2 | Round 7 | NEIMENGGU | 9 | 3NT | ♠2 | = | +13 |
| -4.8 | Round 7 | NEIMENGGU | 4 | 4♠x | ♦A | -1 | -7 |
| -5.2 | Round 3 | AUSTRALIA Seniors | 29 | 4♠ | ♥J | = | -10 |
| -5.6 | Round 14 | ASYMCHEM | 15 | 4♠ | ♥4 | -1 | +2 |
| -5.9 | Round 11 | WUHAN ENGINEERING | 15 | 4♠ | ♦5 | +1 | +0 |
| -6.2 | Round 12 | YUNNAN | 27 | 4♠ | ♥J | +3 | -3 |
| -6.3 | Round 15 | JSQX NJZS BRIDGECLUB | 29 | 4♥ | ♠7 | = | -3 |
| -6.5 | Round 15 | JSQX NJZS BRIDGECLUB | 27 | 4♥ | ♠K | = | -8 |
| -7.1 | Round 15 | JSQX NJZS BRIDGECLUB | 30 | 3NT | ♠7 | = | -6 |
| -7.8 | Round 4 | ITALY Mixed | 9 | 3♥x | ♠A | -2 | -11 |
| -7.8 | Round 15 | JSQX NJZS BRIDGECLUB | 28 | 6♠ | ♦7 | = | +0 |
| -8.6 | Round 1 | POLMANY | 4 | 3NT | ♣9 | -3 | -10 |
| -8.7 | Round 4 | ITALY Mixed | 7 | 4♠ | ♣K | = | -10 |
| -8.9 | Round 7 | NEIMENGGU | 5 | 4♥x | ♠8 | -2 | -9 |
| -9.2 | Round 14 | ASYMCHEM | 12 | 5♠ | ♥A | -1 | -10 |
| -9.5 | Round 10 | HIIMOTOR | 6 | 3NT | ♣7 | = | -10 |
| -10.5 | Round 4 | ITALY Mixed | 3 | 6♥ | ♦3 | = | +0 |