ZHANG Cheng Min · WUHAN JIANG AN AREA
vs par split: bidding -0.51 · play -0.39
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.03/bd
Card play — on target: opening leads 91.7% · declarer play 64.3% · defence 70.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 88.9% (9) |
| Declarer play | 50.0% (4) | 70.0% (10) |
| Defence | 80.0% (5) | 66.7% (15) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (3) · ♦ 100.0% (3) · ♣ 100.0% (4)
vs par by strain: NT -1.92 (13) · a suit -0.54 (37)
vs par by level: part-score -0.62 (21) · game -1.27 (26) · slam +0.33 (3)
By role: declaring +0.00/bd (-1.83 vs par · 30) · defending +0.03/bd (+0.50 vs par · 20)
By vulnerability: vulnerable +0.27/bd (+0.04 vs par · 26) · not vulnerable -0.27/bd (-1.92 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Cao | W.He – S.Liu | Open | 10 | -21.6 | -2.16 | -1.80 |
| Round 11 | S.Cao | F.Mcquaker – E.Mcgowan | Open | 10 | +11.9 | +1.19 | +0.90 |
| Round 12 | S.Cao | J.Lu – J.Li | Open | 10 | +21.2 | +2.12 | +0.90 |
| Round 14 | S.Cao | J.Wilkinson – S.Newton | Open | 10 | +3.1 | +0.31 | -1.10 |
| Round 15 | S.Cao | Z.Shen – W.Guo | Open | 10 | -14.0 | -1.40 | -3.40 |
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 |
|---|---|---|---|---|---|---|---|
| +9.2 | Round 15 | HUBEI FUXING | 29 | 4♥x | ♠7 | = | +7 |
| +8.5 | Round 12 | TIANYA BRIDGE FATE | 28 | 6♥ | ♠6 | -1 | +14 |
| +8.0 | Round 1 | ZHONGSHAN JIEGAO | 4 | 4♥ | ♦9 | = | +10 |
| +7.6 | Round 12 | TIANYA BRIDGE FATE | 23 | 3NT | ♦2 | -2 | +8 |
| +5.9 | Round 12 | TIANYA BRIDGE FATE | 24 | 4♠ | ♣3 | +1 | +0 |
| +5.2 | Round 11 | SCOTMARK | 13 | 4♥ | ♠4 | = | +10 |
| +5.2 | Round 11 | SCOTMARK | 14 | 5♣ | ♥8 | = | +7 |
| +5.1 | Round 11 | SCOTMARK | 11 | 5♦ | ♣7 | -1 | +4 |
| +5.1 | Round 11 | SCOTMARK | 15 | 4♠ | ♦5 | = | -1 |
| +4.7 | Round 11 | SCOTMARK | 12 | 2♥ | ♣K | +2 | +6 |
| +3.4 | Round 12 | TIANYA BRIDGE FATE | 25 | 6♥ | ♣A | +1 | -11 |
| +3.2 | Round 15 | HUBEI FUXING | 21 | 2♠ | ♥K | = | +6 |
| +3.0 | Round 14 | PK NZ | 14 | 1NT | ♣10 | -1 | +4 |
| +2.7 | Round 14 | PK NZ | 18 | 3NT | ♦4 | +1 | +4 |
| +2.4 | Round 12 | TIANYA BRIDGE FATE | 22 | 6♣ | ♦9 | = | -2 |
| +2.4 | Round 14 | PK NZ | 13 | 3♠ | ♥5 | = | +1 |
| +1.9 | Round 14 | PK NZ | 11 | 3NT | ♣3 | = | -1 |
| +1.5 | Round 1 | ZHONGSHAN JIEGAO | 2 | 3♦ | ♠9 | +1 | +0 |
| +1.4 | Round 12 | TIANYA BRIDGE FATE | 30 | 2NT | ♥8 | -1 | +5 |
| +0.7 | Round 14 | PK NZ | 15 | 3♠ | ♥4 | +1 | -7 |
| +0.7 | Round 14 | PK NZ | 19 | 3♦ | ♠6 | -1 | +0 |
| +0.6 | Round 1 | ZHONGSHAN JIEGAO | 1 | 3♠ | ♦9 | +1 | +6 |
| +0.4 | Round 12 | TIANYA BRIDGE FATE | 26 | 2♦ | ♠K | -1 | +1 |
| +0.2 | Round 11 | SCOTMARK | 18 | 2♠ | ♣5 | = | +0 |
| -0.2 | Round 15 | HUBEI FUXING | 24 | 3NT | ♠5 | +2 | +0 |
| -0.3 | Round 1 | ZHONGSHAN JIEGAO | 10 | 2♠ | ♣Q | = | -1 |
| -0.4 | Round 11 | SCOTMARK | 20 | 2♠ | ♥A | = | +0 |
| -0.5 | Round 15 | HUBEI FUXING | 25 | 3NT | ♠9 | +1 | +0 |
| -0.6 | Round 14 | PK NZ | 12 | 4♠ | ♦7 | = | +0 |
| -1.0 | Round 12 | TIANYA BRIDGE FATE | 29 | 2♠ | ♣3 | = | -1 |
| -1.4 | Round 1 | ZHONGSHAN JIEGAO | 9 | 2♠ | ♣8 | = | +3 |
| -1.5 | Round 14 | PK NZ | 16 | 4♠ | ♥K | -1 | -5 |
| -1.7 | Round 14 | PK NZ | 17 | 4♠ | ♣6 | +1 | +0 |
| -1.9 | Round 12 | TIANYA BRIDGE FATE | 21 | 3♦ | ♠9 | -2 | -3 |
| -2.3 | Round 1 | ZHONGSHAN JIEGAO | 3 | 2♥ | ♠9 | +2 | -1 |
| -2.5 | Round 15 | HUBEI FUXING | 28 | 3NT | ♥K | +3 | -11 |
| -2.8 | Round 15 | HUBEI FUXING | 30 | 5♣ | ♣8 | -1 | -5 |
| -3.1 | Round 1 | ZHONGSHAN JIEGAO | 8 | 4♠ | ♥4 | -1 | -10 |
| -3.3 | Round 15 | HUBEI FUXING | 27 | 4♥ | ♦K | -1 | -4 |
| -3.4 | Round 15 | HUBEI FUXING | 23 | 3♦ | ♠10 | -2 | -3 |
| -3.9 | Round 11 | SCOTMARK | 17 | 1♣ | ♦4 | = | -10 |
| -4.5 | Round 14 | PK NZ | 20 | 3♥ | ♣5 | +1 | -7 |
| -4.6 | Round 11 | SCOTMARK | 16 | 3NT | ♠3 | -2 | -6 |
| -4.7 | Round 11 | SCOTMARK | 19 | 3NT | ♥3 | +1 | -1 |
| -5.1 | Round 1 | ZHONGSHAN JIEGAO | 7 | 3NT | ♥5 | -1 | -6 |
| -5.5 | Round 12 | TIANYA BRIDGE FATE | 27 | 4♠ | ♦9 | +2 | -2 |
| -6.8 | Round 15 | HUBEI FUXING | 26 | 2♠ | ♣A | = | -12 |
| -6.9 | Round 1 | ZHONGSHAN JIEGAO | 5 | 4♠ | ♣10 | -1 | -10 |
| -6.9 | Round 15 | HUBEI FUXING | 22 | 3NT | ♠5 | -1 | -12 |
| -12.6 | Round 1 | ZHONGSHAN JIEGAO | 6 | 3NTx | ♥5 | -3 | -9 |