QIAN Wanghua · SHANGHAI EPC
479rank
-19.9Butler · 100 bds
-0.20per board
±4.5swing
+0.37vs par /bd · #186/672
-0.08adjusted /bd
by round
vs par split: bidding -0.27 · play +0.10
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted -0.08/bd
Card play — on target: opening leads 84.6% #263 of 671 · declarer play 83.3% #201 of 671 · defence 87.9% #225 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 84.6% (13) |
| Declarer play | · | 83.3% (12) |
| Defence | · | 87.9% (33) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 83.3% (6) · ♦ 100.0% (3) · ♣ 66.7% (3)
vs par by strain: a suit -0.18 (62)
vs par by level: part-score -1.19 (27) · game -0.09 (33) · slam +12.00 (2)
By role: declaring -0.01/bd (-1.35 vs par · 49) · defending -0.38/bd (+2.02 vs par · 51)
By vulnerability: vulnerable -0.05/bd (+0.34 vs par · 55) · not vulnerable -0.38/bd (+0.40 vs par · 45)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | B.Pan | B.Vriend – C.Arnolds | Open | 10 | +17.3 | +1.73 | +0.10 |
| Round 4 | J.Tian | F.Fantoni – C.Nunes | Open | 10 | -26.7 | -2.67 | -2.30 |
| Round 6 | B.Pan | S.Jin – W.Gu | Closed | 10 | +8.6 | +0.86 | +2.00 |
| Round 7 | B.Pan | X.Wang – H.Xu | Closed | 10 | -10.3 | -1.03 | -0.10 |
| Round 8 | B.Pan | B.Morris – B.Jacobus | Open | 10 | +21.2 | +2.12 | +2.30 |
| Round 9 | J.Tian | I.Herbst – R.Benin-Barr | Closed | 10 | -3.1 | -0.31 | +0.10 |
| Round 10 | J.Tian | X.Li – M.Kang | Closed | 10 | -2.6 | -0.26 | -1.50 |
| Round 11 | J.Tian | J.Ye – W.Liu | Closed | 10 | -14.2 | -1.42 | -0.90 |
| Round 12 | J.Tian | X.Fu – Y.Hou | Closed | 10 | -10.8 | -1.08 | -0.60 |
| Round 13 | J.Tian | D.Clarke – R.Mapp | Open | 10 | +0.7 | +0.07 | +4.60 |
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 |
|---|---|---|---|---|---|---|---|
| +11.7 | Round 3 | DUTCH LADIES | 29 | 6♦ | ♥K | -2 | +13 |
| +10.3 | Round 8 | LEONINA | 15 | 4♥ | ♣2 | = | +10 |
| +9.8 | Round 8 | LEONINA | 17 | 3N | ♥4 | -2 | +12 |
| +8.4 | Round 13 | TRINIDAD AND TOBAGO | 10 | 3N | ♠2 | = | +10 |
| +6.6 | Round 10 | ZHEJIANG HUAMEN | 2 | 5♦x | ♥2 | = | +4 |
| +6.3 | Round 3 | DUTCH LADIES | 28 | 3N | ♠4 | +1 | +5 |
| +6.2 | Round 3 | DUTCH LADIES | 24 | 3N | ♣K | = | +6 |
| +5.3 | Round 6 | CHINA KINGDOM | 21 | 6♥ | ♣Q | -1 | +11 |
| +5.2 | Round 10 | ZHEJIANG HUAMEN | 9 | 4♥ | ♠2 | = | +8 |
| +5.0 | Round 6 | CHINA KINGDOM | 22 | 2♣ | ♦9 | +1 | +0 |
| +4.7 | Round 9 | HERBST | 29 | 1N | ♦4 | = | +5 |
| +4.7 | Round 11 | SHANXI | 16 | 5♠ | ♣9 | = | +0 |
| +4.5 | Round 9 | HERBST | 25 | 3N | ♠10 | -2 | +8 |
| +4.5 | Round 11 | SHANXI | 18 | 3♠ | ♥6 | -2 | +3 |
| +4.1 | Round 12 | PUDONGPUFA CLUB | 29 | 4♠ | ♥Q | -2 | +3 |
| +3.9 | Round 3 | DUTCH LADIES | 30 | 3N | ♦3 | +1 | -5 |
| +3.7 | Round 3 | DUTCH LADIES | 26 | 5♦x | ♣K | -1 | +3 |
| +3.6 | Round 12 | PUDONGPUFA CLUB | 22 | 5♣ | ♥K | -1 | +5 |
| +3.6 | Round 13 | TRINIDAD AND TOBAGO | 4 | 3N | ♥2 | +1 | -1 |
| +3.3 | Round 9 | HERBST | 22 | 2♠ | ♦6 | +1 | +7 |
| +3.1 | Round 9 | HERBST | 26 | 2N | ♦7 | -1 | +6 |
| +2.7 | Round 4 | ZIMMERMANN | 4 | 3♦ | ♥J | +2 | +10 |
| +2.6 | Round 6 | CHINA KINGDOM | 25 | 3♥ | ♣A | -1 | +6 |
| +2.4 | Round 8 | LEONINA | 18 | 2♠ | ♥Q | -1 | +4 |
| +2.4 | Round 12 | PUDONGPUFA CLUB | 26 | 3♣ | ♥6 | -1 | -1 |
| +2.0 | Round 6 | CHINA KINGDOM | 26 | 4♠ | ♦A | +1 | +5 |
| +1.9 | Round 7 | HAI LV TEAM | 7 | 4♠ | ♥4 | -1 | +6 |
| +1.9 | Round 8 | LEONINA | 12 | 2N | ♣10 | -1 | +5 |
| +1.9 | Round 8 | LEONINA | 20 | 3N | ♥4 | -6 | -1 |
| +1.3 | Round 13 | TRINIDAD AND TOBAGO | 7 | 4♥ | ♠9 | +1 | +0 |
| +1.2 | Round 4 | ZIMMERMANN | 8 | 3N | ♣4 | -1 | +3 |
| +1.2 | Round 11 | SHANXI | 19 | 4♠ | ♣J | +1 | +1 |
| +1.2 | Round 13 | TRINIDAD AND TOBAGO | 1 | 4♠ | ♦7 | = | +0 |
| +1.1 | Round 8 | LEONINA | 16 | 2♠ | ♥A | +1 | +0 |
| +1.0 | Round 7 | HAI LV TEAM | 1 | 3N | ♦8 | +2 | +0 |
| +0.9 | Round 4 | ZIMMERMANN | 2 | 3N | ♣5 | +2 | +1 |
| +0.8 | Round 4 | ZIMMERMANN | 10 | Pass | +3 | ||
| +0.8 | Round 12 | PUDONGPUFA CLUB | 25 | 3N | ♥5 | +2 | +6 |
| +0.7 | Round 3 | DUTCH LADIES | 22 | 3N | ♥2 | +1 | -5 |
| +0.7 | Round 8 | LEONINA | 14 | 3♦ | ♥9 | -1 | +2 |
| +0.4 | Round 9 | HERBST | 28 | 5♦ | ♠A | +1 | -5 |
| +0.4 | Round 10 | ZHEJIANG HUAMEN | 3 | 1N | ♠6 | -3 | +0 |
| +0.2 | Round 6 | CHINA KINGDOM | 27 | 4♥ | ♠6 | -1 | +5 |
| +0.2 | Round 7 | HAI LV TEAM | 4 | 3N | ♠8 | +1 | +1 |
| +0.1 | Round 11 | SHANXI | 20 | 3N | ♠5 | +3 | +13 |
| -0.0 | Round 6 | CHINA KINGDOM | 28 | 3N | ♠2 | +2 | +0 |
| +0.0 | Round 13 | TRINIDAD AND TOBAGO | 9 | 4♠ | ♥A | +1 | +0 |
| -0.1 | Round 7 | HAI LV TEAM | 3 | 3♣ | ♦2 | = | +9 |
| -0.1 | Round 7 | HAI LV TEAM | 9 | 4♥ | ♠8 | +1 | -11 |
| -0.2 | Round 12 | PUDONGPUFA CLUB | 24 | 3♦ | ♦8 | = | -6 |
| -0.3 | Round 3 | DUTCH LADIES | 21 | 2N | ♣9 | = | -1 |
| -0.3 | Round 4 | ZIMMERMANN | 7 | 1N | ♦Q | = | -2 |
| -0.3 | Round 10 | ZHEJIANG HUAMEN | 5 | 4♠ | ♦2 | +2 | -11 |
| -0.3 | Round 12 | PUDONGPUFA CLUB | 28 | 5♦x | ♣9 | -2 | +4 |
| -0.5 | Round 6 | CHINA KINGDOM | 29 | 1N | ♣2 | +1 | +0 |
| -0.5 | Round 10 | ZHEJIANG HUAMEN | 6 | 4♠ | ♦5 | = | +0 |
| -0.7 | Round 7 | HAI LV TEAM | 10 | 3♥ | ♣Q | = | +0 |
| -0.9 | Round 7 | HAI LV TEAM | 6 | 4♥ | ♥J | +1 | +0 |
| -0.9 | Round 8 | LEONINA | 13 | 4♠ | ♥A | +2 | -7 |
| -0.9 | Round 9 | HERBST | 24 | 4♥ | ♥10 | = | +5 |
| -0.9 | Round 10 | ZHEJIANG HUAMEN | 1 | 1N | ♥4 | -1 | -4 |
| -0.9 | Round 13 | TRINIDAD AND TOBAGO | 5 | 3N | ♠7 | +2 | +12 |
| -1.0 | Round 4 | ZIMMERMANN | 5 | 1N | ♠5 | -1 | +1 |
| -1.0 | Round 7 | HAI LV TEAM | 2 | 1N | ♠10 | = | +1 |
| -1.0 | Round 10 | ZHEJIANG HUAMEN | 4 | 1N | ♣6 | -1 | -5 |
| -1.0 | Round 10 | ZHEJIANG HUAMEN | 10 | 2♠ | ♣5 | +1 | -1 |
| -1.0 | Round 13 | TRINIDAD AND TOBAGO | 8 | 3N | ♦Q | +2 | +14 |
| -1.1 | Round 7 | HAI LV TEAM | 5 | 5♣x | ♠7 | -1 | +0 |
| -1.1 | Round 9 | HERBST | 23 | 1N | ♥4 | +2 | -1 |
| -1.2 | Round 6 | CHINA KINGDOM | 23 | 3♥ | ♣A | +1 | -1 |
| -1.2 | Round 11 | SHANXI | 13 | 2♥ | ♠2 | = | -1 |
| -1.3 | Round 12 | PUDONGPUFA CLUB | 30 | 4♥ | ♦A | -1 | -5 |
| -1.4 | Round 8 | LEONINA | 19 | 3♦ | ♦A | -1 | +2 |
| -1.8 | Round 13 | TRINIDAD AND TOBAGO | 3 | 3N | ♥7 | +3 | -1 |
| -2.1 | Round 6 | CHINA KINGDOM | 30 | 3N | ♠2 | -2 | -6 |
| -2.3 | Round 3 | DUTCH LADIES | 23 | 4♠ | ♥4 | +1 | +0 |
| -2.3 | Round 10 | ZHEJIANG HUAMEN | 8 | 3♠ | ♦A | = | -6 |
| -2.4 | Round 11 | SHANXI | 17 | 2♠ | ♣Q | = | +0 |
| -2.5 | Round 4 | ZIMMERMANN | 9 | 2♠ | ♣8 | = | +0 |
| -2.7 | Round 3 | DUTCH LADIES | 27 | 3N | ♠Q | -1 | -5 |
| -2.7 | Round 6 | CHINA KINGDOM | 24 | 2N | ♠K | = | +0 |
| -2.9 | Round 11 | SHANXI | 15 | 4♠ | ♣A | -1 | +2 |
| -3.1 | Round 12 | PUDONGPUFA CLUB | 27 | 4♥ | ♣5 | +1 | +5 |
| -3.3 | Round 13 | TRINIDAD AND TOBAGO | 2 | 4♠ | ♣2 | = | +1 |
| -3.6 | Round 11 | SHANXI | 14 | 2♦ | ♣4 | +3 | -15 |
| -3.7 | Round 4 | ZIMMERMANN | 6 | 3♣ | ♠Q | -1 | -12 |
| -4.0 | Round 11 | SHANXI | 11 | 3♦ | ♥2 | +1 | -7 |
| -4.2 | Round 9 | HERBST | 27 | 1♦x | ♥A | = | -7 |
| -4.4 | Round 9 | HERBST | 30 | 4♠x | ♥Q | -1 | -6 |
| -4.6 | Round 8 | LEONINA | 11 | 3N | ♦J | +1 | -4 |
| -6.0 | Round 12 | PUDONGPUFA CLUB | 21 | 3♠ | ♦A | = | -6 |
| -6.8 | Round 13 | TRINIDAD AND TOBAGO | 6 | 4♠ | ♥8 | +2 | +11 |
| -8.5 | Round 9 | HERBST | 21 | 4♠ | ♣8 | -1 | -11 |
| -8.8 | Round 10 | ZHEJIANG HUAMEN | 7 | 4♦x | ♠K | -2 | +0 |
| -9.5 | Round 7 | HAI LV TEAM | 8 | 4♦x | ♥Q | +1 | -7 |
| -9.9 | Round 3 | DUTCH LADIES | 25 | 1Nx | ♠8 | +2 | -10 |
| -10.6 | Round 11 | SHANXI | 12 | 1♠x | ♦5 | -4 | -5 |
| -10.8 | Round 12 | PUDONGPUFA CLUB | 23 | 5♦ | ♥10 | +2 | -11 |
| -12.1 | Round 4 | ZIMMERMANN | 3 | 3N | ♥9 | -2 | -13 |
| -12.7 | Round 4 | ZIMMERMANN | 1 | 5♦x | ♥8 | -4 | -14 |