ZHANG Yiming · CHINA KINGDOM
154rank
+35.7Butler · 90 bds
+0.40per board
±4.1swing
+0.36vs par /bd · #190/672
+0.38adjusted /bd
by round
vs par split: bidding +0.30 · play -0.28
Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted +0.38/bd
Card play — on target: opening leads 93.3% #46 of 671 · declarer play 81.8% #219 of 671 · defence 84.6% #352 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 93.3% (15) |
| Declarer play | · | 81.8% (11) |
| Defence | · | 84.6% (26) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 50.0% (2) · ♦ 100.0% (4) · ♣ 100.0% (2)
vs par by strain: a suit +0.02 (57)
vs par by level: part-score +0.32 (25) · game +0.50 (28) · slam -5.25 (4)
By role: declaring +0.68/bd (-1.68 vs par · 44) · defending +0.13/bd (+2.30 vs par · 46)
By vulnerability: vulnerable +0.53/bd (+0.60 vs par · 48) · not vulnerable +0.24/bd (+0.07 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | S.Liu | K.Gupta – R.Sinha | Closed | 10 | +2.9 | +0.29 | +2.40 |
| Round 4 | S.Liu | D.Hu – A.Zhi | Closed | 10 | -9.8 | -0.98 | -1.10 |
| Round 6 | S.Liu | J.Tian – K.Wang | Open | 10 | +1.9 | +0.19 | +1.00 |
| Round 7 | S.Liu | S.Morimura – T.Imakura | Closed | 10 | +16.1 | +1.61 | +2.70 |
| Round 8 | S.Liu | C.Sumampouw – I.Korengkeng | Closed | 10 | +24.5 | +2.45 | +3.40 |
| Round 9 | S.Liu | W.Luo – J.Tan | Closed | 10 | -7.4 | -0.74 | -1.50 |
| Round 10 | S.Liu | K.Fergani – N.L'Ecuyer | Open | 10 | -2.1 | -0.21 | +1.10 |
| Round 13 | S.Liu | C.Wang – J.Zhu | Closed | 10 | +7.1 | +0.71 | -3.20 |
| Round 15 | S.Liu | M.Michielsen – M.Wortel | Open | 10 | +2.5 | +0.25 | -1.60 |
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 |
|---|---|---|---|---|---|---|---|
| +11.9 | Round 8 | INDONESIA LADIES | 13 | 6♠ | ♥A | = | +10 |
| +9.5 | Round 15 | DUTCH LADIES | 25 | 6♠ | ♥3 | = | -9 |
| +8.7 | Round 15 | DUTCH LADIES | 24 | 2♣x | ♠7 | -3 | +11 |
| +8.4 | Round 7 | NAKAMURA | 8 | 5♣x | ♠A | -3 | +13 |
| +8.4 | Round 13 | PEKING UNIVERSITY | 8 | 6♠ | ♠3 | = | -11 |
| +7.0 | Round 6 | SHANGHAI EPC | 22 | 2N | ♦K | -2 | +3 |
| +6.3 | Round 3 | CHITLANGIA | 28 | 3N | ♠4 | -1 | +11 |
| +5.8 | Round 6 | SHANGHAI EPC | 29 | 2♦x | ♦7 | +1 | +6 |
| +5.3 | Round 8 | INDONESIA LADIES | 11 | 3N | ♥6 | -1 | +8 |
| +4.8 | Round 13 | PEKING UNIVERSITY | 10 | 3N | ♥K | -1 | +6 |
| +4.4 | Round 9 | GUANGDONG | 30 | 4♠x | ♣K | -1 | +6 |
| +4.2 | Round 3 | CHITLANGIA | 26 | 4♠ | ♦Q | = | +8 |
| +3.8 | Round 8 | INDONESIA LADIES | 18 | 2♠ | ♥5 | -2 | +5 |
| +3.7 | Round 10 | L'ECUYER | 4 | 2♠x | ♣3 | -1 | +7 |
| +3.5 | Round 7 | NAKAMURA | 5 | 5♠ | ♦Q | -1 | +6 |
| +3.4 | Round 8 | INDONESIA LADIES | 12 | 3N | ♣10 | -2 | +6 |
| +3.4 | Round 15 | DUTCH LADIES | 26 | 1N | ♦5 | = | +6 |
| +3.3 | Round 13 | PEKING UNIVERSITY | 2 | 4♥ | ♠6 | = | -1 |
| +3.2 | Round 10 | L'ECUYER | 2 | 2♣ | ♥4 | -1 | +7 |
| +3.0 | Round 7 | NAKAMURA | 3 | Pass | +11 | ||
| +2.9 | Round 4 | YUNNAN DIKUANG | 5 | 2♥ | ♣6 | = | +5 |
| +2.9 | Round 6 | SHANGHAI EPC | 26 | 4♠ | ♥Q | +2 | +6 |
| +2.7 | Round 3 | CHITLANGIA | 27 | 3N | ♠Q | -1 | +5 |
| +2.6 | Round 7 | NAKAMURA | 2 | 2♥ | ♠K | -1 | +5 |
| +2.6 | Round 8 | INDONESIA LADIES | 20 | 4♠ | ♥K | = | +0 |
| +2.2 | Round 9 | GUANGDONG | 25 | 4♠ | ♠9 | -3 | +0 |
| +2.1 | Round 15 | DUTCH LADIES | 27 | 3♥ | ♦5 | = | +0 |
| +1.9 | Round 7 | NAKAMURA | 7 | 4♠ | ♥4 | -1 | +6 |
| +1.9 | Round 10 | L'ECUYER | 7 | 2♠ | ♠2 | +2 | -8 |
| +1.8 | Round 6 | SHANGHAI EPC | 24 | 3♦ | ♥10 | -1 | +5 |
| +1.5 | Round 4 | YUNNAN DIKUANG | 3 | 3N | ♥9 | +1 | -1 |
| +1.5 | Round 6 | SHANGHAI EPC | 23 | 1♣ | ♠6 | = | +2 |
| +1.5 | Round 13 | PEKING UNIVERSITY | 5 | 3N | ♠5 | +3 | -12 |
| +1.3 | Round 8 | INDONESIA LADIES | 15 | 1N | ♣6 | +1 | -1 |
| +1.1 | Round 8 | INDONESIA LADIES | 16 | 2♠ | ♥A | +1 | +0 |
| +1.1 | Round 9 | GUANGDONG | 23 | 1N | ♠Q | +2 | +1 |
| +1.0 | Round 7 | NAKAMURA | 1 | 4♥ | ♦6 | +1 | +0 |
| +0.9 | Round 3 | CHITLANGIA | 25 | 2N | ♠6 | = | +1 |
| +0.9 | Round 9 | GUANGDONG | 24 | 4♥ | ♦2 | = | -5 |
| +0.9 | Round 10 | L'ECUYER | 1 | 1N | ♠3 | -1 | +4 |
| +0.8 | Round 3 | CHITLANGIA | 24 | 1N | ♠9 | -2 | +1 |
| +0.8 | Round 4 | YUNNAN DIKUANG | 10 | Pass | +3 | ||
| +0.8 | Round 7 | NAKAMURA | 9 | 4♥ | ♦J | +2 | -11 |
| +0.8 | Round 10 | L'ECUYER | 9 | 5♦x | ♠A | -2 | +0 |
| +0.6 | Round 4 | YUNNAN DIKUANG | 7 | 1N | ♦Q | +1 | -1 |
| +0.5 | Round 3 | CHITLANGIA | 23 | 5♣ | ♥K | = | -2 |
| +0.5 | Round 10 | L'ECUYER | 6 | 4♠ | ♣A | = | +0 |
| +0.3 | Round 10 | L'ECUYER | 5 | 4♠ | ♥4 | +2 | +11 |
| +0.2 | Round 6 | SHANGHAI EPC | 27 | 4♥ | ♦K | -1 | +5 |
| +0.2 | Round 7 | NAKAMURA | 4 | 4♥ | ♠9 | = | +1 |
| +0.2 | Round 15 | DUTCH LADIES | 21 | 1♠ | ♣Q | +2 | +0 |
| -0.0 | Round 6 | SHANGHAI EPC | 28 | 3N | ♥7 | +2 | +0 |
| +0.0 | Round 10 | L'ECUYER | 10 | 2♠ | ♣5 | = | +0 |
| -0.0 | Round 13 | PEKING UNIVERSITY | 9 | 4♠ | ♠4 | +1 | +0 |
| -0.1 | Round 4 | YUNNAN DIKUANG | 2 | 3N | ♣5 | +1 | +0 |
| -0.1 | Round 15 | DUTCH LADIES | 29 | 3N | ♥4 | = | +1 |
| -0.2 | Round 13 | PEKING UNIVERSITY | 3 | 3N | ♥2 | +1 | -1 |
| -0.4 | Round 8 | INDONESIA LADIES | 14 | 1N | ♦6 | = | +1 |
| -0.4 | Round 13 | PEKING UNIVERSITY | 7 | 4♥ | ♠9 | = | +1 |
| -0.6 | Round 3 | CHITLANGIA | 21 | 2N | ♣10 | +1 | +0 |
| -0.6 | Round 9 | GUANGDONG | 28 | 3N | ♥J | +1 | +5 |
| -0.7 | Round 3 | CHITLANGIA | 22 | 3N | ♥2 | +1 | +5 |
| -0.7 | Round 7 | NAKAMURA | 10 | 2♥ | ♣Q | +1 | +0 |
| -0.8 | Round 4 | YUNNAN DIKUANG | 1 | 5♦ | ♥5 | -1 | -4 |
| -1.2 | Round 4 | YUNNAN DIKUANG | 6 | 3♠ | ♣10 | = | -11 |
| -1.2 | Round 13 | PEKING UNIVERSITY | 1 | 4♠ | ♥Q | = | +0 |
| -1.2 | Round 15 | DUTCH LADIES | 22 | 4♠ | ♦3 | +2 | -6 |
| -1.4 | Round 4 | YUNNAN DIKUANG | 8 | 3♠ | ♦Q | = | +0 |
| -1.5 | Round 8 | INDONESIA LADIES | 17 | 3N | ♥7 | +1 | +5 |
| -1.5 | Round 9 | GUANGDONG | 27 | 1♦x | ♥A | -1 | +1 |
| -1.6 | Round 9 | GUANGDONG | 22 | 2♠ | ♦6 | +3 | -6 |
| -2.4 | Round 6 | SHANGHAI EPC | 25 | 2♥ | ♦6 | = | +1 |
| -2.6 | Round 10 | L'ECUYER | 8 | 2♠ | ♥3 | -1 | +1 |
| -3.0 | Round 8 | INDONESIA LADIES | 19 | 2♥ | ♣3 | = | +0 |
| -3.1 | Round 9 | GUANGDONG | 26 | 4♠ | ♠4 | -1 | -6 |
| -3.3 | Round 3 | CHITLANGIA | 30 | 3N | ♥7 | = | +6 |
| -3.4 | Round 6 | SHANGHAI EPC | 30 | 3N | ♣8 | -3 | -7 |
| -3.7 | Round 9 | GUANGDONG | 21 | 3N | ♦J | = | -5 |
| -4.5 | Round 13 | PEKING UNIVERSITY | 6 | 6N | ♠4 | -1 | -14 |
| -4.6 | Round 7 | NAKAMURA | 6 | 5♣x | ♦K | -4 | -4 |
| -4.6 | Round 13 | PEKING UNIVERSITY | 4 | 3N | ♥2 | +2 | +0 |
| -4.9 | Round 4 | YUNNAN DIKUANG | 9 | 2♥ | ♦J | -2 | -3 |
| -5.5 | Round 9 | GUANGDONG | 29 | 1N | ♥5 | +1 | -6 |
| -6.0 | Round 15 | DUTCH LADIES | 23 | 2♥ | ♦5 | -3 | -9 |
| -6.3 | Round 15 | DUTCH LADIES | 30 | 4♠x | ♥K | -3 | +0 |
| -7.2 | Round 4 | YUNNAN DIKUANG | 4 | 5♦ | ♣Q | = | +1 |
| -7.8 | Round 15 | DUTCH LADIES | 28 | 1Nxx | ♣5 | = | -10 |
| -7.9 | Round 3 | CHITLANGIA | 29 | 3♦ | ♥Q | +2 | -11 |
| -10.8 | Round 10 | L'ECUYER | 3 | 4♥ | ♥6 | +2 | -11 |
| -11.5 | Round 6 | SHANGHAI EPC | 21 | 6♥ | ♣A | = | -11 |