AI Jianhua · YANG JING
vs par split: bidding -0.50 · play +0.19
Strength of schedule: opponents averaged +0.46/bd (a tough draw) → opponent-adjusted -0.58/bd
Card play — on target: opening leads 90.9% · declarer play 66.7% · defence 90.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 90.9% (11) |
| Declarer play | · | 66.7% (6) |
| Defence | · | 90.9% (22) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 83.3% (6) · ♣ 100.0% (1)
vs par by strain: a suit -0.31 (36)
vs par by level: part-score -1.17 (18) · game +1.06 (16) · slam -3.50 (2)
By role: declaring -1.26/bd (-2.33 vs par · 18) · defending -0.93/bd (+0.41 vs par · 32)
By vulnerability: vulnerable -1.63/bd (-1.64 vs par · 25) · not vulnerable -0.46/bd (+0.48 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | J.Liu | A.Mesbur – N.Fitzgibbon | Closed | 10 | -7.7 | -0.77 | -0.90 |
| Round 10 | J.Liu | I.Herbst – R.Benin-Barr | Open | 10 | -5.5 | -0.55 | +0.80 |
| Round 11 | Q.Cheng | S.Liu – Y.Liang | Open | 10 | -19.6 | -1.96 | -2.40 |
| Round 14 | Q.Cheng | J.Wilkinson – S.Newton | Open | 10 | +10.6 | +1.06 | +3.80 |
| Round 15 | Q.Cheng | Z.Lu – J.Qian | Open | 10 | -30.2 | -3.02 | -4.20 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 14 | SOLOMON | 16 | 4♠ | ♦K | -1 | +12 |
| +7.8 | Round 14 | SOLOMON | 18 | 4♥ | ♥4 | = | +5 |
| +3.8 | Round 14 | SOLOMON | 11 | 4♥ | ♦6 | -2 | +0 |
| +3.3 | Round 11 | HUBEI DONGFENG | 11 | 3♦ | ♥A | +2 | +7 |
| +2.2 | Round 4 | JACKSON | 1 | 5♦x | ♥5 | -1 | +5 |
| +2.2 | Round 4 | JACKSON | 6 | 4♣ | ♦Q | -2 | +11 |
| +2.2 | Round 15 | ZHEJIANG ZHENGYUAN | 28 | 1N | ♣5 | = | +1 |
| +2.1 | Round 10 | HERBST | 2 | 4♦ | ♥K | +1 | +6 |
| +1.8 | Round 10 | HERBST | 10 | 2♠ | ♣9 | +2 | +2 |
| +1.6 | Round 14 | SOLOMON | 12 | 3♠ | ♠5 | -1 | -2 |
| +1.4 | Round 4 | JACKSON | 8 | 3♠ | ♦Q | = | +0 |
| +1.4 | Round 10 | HERBST | 6 | 4♠ | ♣A | +1 | +1 |
| +1.4 | Round 14 | SOLOMON | 17 | 2♦ | ♣3 | -1 | +2 |
| +1.2 | Round 11 | HUBEI DONGFENG | 13 | 2♥ | ♠5 | = | +1 |
| +0.9 | Round 10 | HERBST | 1 | 1N | ♥4 | -1 | +4 |
| +0.7 | Round 15 | ZHEJIANG ZHENGYUAN | 24 | 2N | ♠5 | -2 | +5 |
| +0.5 | Round 14 | SOLOMON | 19 | 1N | ♠7 | +1 | +6 |
| +0.3 | Round 10 | HERBST | 5 | 4♠ | ♥7 | +2 | +11 |
| +0.1 | Round 4 | JACKSON | 2 | 3N | ♦3 | +1 | +0 |
| -0.2 | Round 10 | HERBST | 7 | 1N | ♦4 | = | -9 |
| -0.2 | Round 11 | HUBEI DONGFENG | 19 | 4♠ | ♥8 | = | +0 |
| -0.2 | Round 15 | ZHEJIANG ZHENGYUAN | 22 | 4♠ | ♠2 | +1 | -5 |
| -0.3 | Round 10 | HERBST | 3 | 2♠ | ♥6 | +1 | +0 |
| -0.6 | Round 4 | JACKSON | 3 | 3N | ♥5 | = | +2 |
| -0.6 | Round 14 | SOLOMON | 13 | 5♠ | ♣K | +1 | +6 |
| -0.9 | Round 11 | HUBEI DONGFENG | 20 | 3N | ♠5 | +2 | -13 |
| -1.0 | Round 15 | ZHEJIANG ZHENGYUAN | 29 | 4♠ | ♣K | = | +0 |
| -1.1 | Round 4 | JACKSON | 4 | 3♥ | ♠9 | -2 | -9 |
| -1.2 | Round 15 | ZHEJIANG ZHENGYUAN | 23 | 1N | ♥2 | -1 | -5 |
| -1.3 | Round 11 | HUBEI DONGFENG | 17 | 3♦ | ♣A | -1 | -4 |
| -1.7 | Round 11 | HUBEI DONGFENG | 15 | 3♠ | ♦Q | = | -6 |
| -2.0 | Round 11 | HUBEI DONGFENG | 14 | 5♦ | ♥K | = | +14 |
| -2.1 | Round 11 | HUBEI DONGFENG | 18 | 3♣ | ♠4 | = | +0 |
| -2.4 | Round 4 | JACKSON | 7 | 1N | ♦Q | +3 | -1 |
| -2.6 | Round 4 | JACKSON | 5 | 1N | ♦5 | = | -5 |
| -2.6 | Round 10 | HERBST | 8 | 2♠ | ♥2 | -1 | +1 |
| -2.7 | Round 15 | ZHEJIANG ZHENGYUAN | 27 | 4♥ | ♦7 | -1 | -5 |
| -2.8 | Round 11 | HUBEI DONGFENG | 12 | 2♥ | ♦A | -2 | -11 |
| -2.8 | Round 14 | SOLOMON | 20 | 4♠ | ♠6 | = | +0 |
| -3.2 | Round 14 | SOLOMON | 15 | 3♦ | ♦J | +1 | -1 |
| -3.3 | Round 4 | JACKSON | 9 | 1N | ♠4 | +1 | -6 |
| -3.6 | Round 4 | JACKSON | 10 | 2♠ | ♣J | = | -6 |
| -3.7 | Round 10 | HERBST | 4 | 1N | ♣7 | = | +0 |
| -4.3 | Round 15 | ZHEJIANG ZHENGYUAN | 30 | 3N | ♠3 | = | +3 |
| -5.2 | Round 10 | HERBST | 9 | 4♥ | ♠2 | = | -8 |
| -5.6 | Round 15 | ZHEJIANG ZHENGYUAN | 25 | 6♠ | ♥3 | -2 | -17 |
| -5.9 | Round 15 | ZHEJIANG ZHENGYUAN | 21 | 4♠ | ♣Q | = | -7 |
| -7.7 | Round 14 | SOLOMON | 14 | 6♠ | ♥J | = | +10 |
| -12.2 | Round 15 | ZHEJIANG ZHENGYUAN | 26 | 2♣x | ♣2 | -3 | -12 |
| -13.1 | Round 11 | HUBEI DONGFENG | 16 | 5♦x | ♦Q | -6 | -12 |