ZHENG Jiangping · XBA
vs par split: bidding +1.67 · play -0.50
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.18/bd
Card play — on target: opening leads 81.8% #184 of 398 · declarer play 64.3% #274 of 398 · defence 93.3% #46 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 87.5% (8) |
| Declarer play | 33.3% (6) | 87.5% (8) |
| Defence | 100.0% (4) | 90.9% (11) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (2) · ♦ 100.0% (1) · ♣ 60.0% (5)
vs par by strain: NT +0.29 (14) · a suit +1.61 (28)
vs par by level: part-score +4.33 (12) · game +1.08 (25) · slam -6.00 (5)
By role: declaring -0.30/bd (-1.78 vs par · 27) · defending +1.17/bd (+6.47 vs par · 15)
By vulnerability: vulnerable +0.29/bd (+2.52 vs par · 21) · not vulnerable +0.16/bd (-0.19 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Hong | J.Shih – P.Wang | Open | 7 | -3.4 | -0.49 | +0.29 |
| Round 3 | L.Hong | J.Yao – X.Zhang | Open | 7 | +20.5 | +2.93 | +2.29 |
| Round 4 | L.Hong | X.Jing – X.Li | Closed | 7 | +13.7 | +1.96 | +4.14 |
| Round 6 | L.Hong | C.Loo – H.Wu | Open | 7 | -13.0 | -1.86 | -3.86 |
| Round 7 | L.Hong | M.Roche – B.Stewart | Open | 7 | -11.6 | -1.66 | +1.57 |
| Round 8 | L.Hong | K.Buras – A.Sarniak | Open | 7 | +3.2 | +0.46 | +2.57 |
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 |
|---|---|---|---|---|---|---|---|
| +13.2 | Round 1 | YEH MIX | 6 | 3NTx | ♥3 | -4 | +14 |
| +11.2 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 16 | 2♣x | ♦3 | -4 | +12 |
| +8.6 | Round 8 | JOEL | 25 | 5♥ | ♠3 | = | +8 |
| +8.1 | Round 4 | HEILONGJIANG TEAM | 22 | 6♦ | ♠3 | = | -2 |
| +7.3 | Round 4 | HEILONGJIANG TEAM | 28 | 3NT | ♥K | +1 | +7 |
| +7.3 | Round 6 | SINGAPORE MIXED | 11 | 6♠ | ♦2 | +1 | +1 |
| +5.1 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 18 | 3NT | ♥6 | = | +0 |
| +4.2 | Round 7 | RAYNER | 18 | 5♦ | ♣10 | +2 | +17 |
| +4.2 | Round 7 | RAYNER | 21 | 4♠ | ♣4 | -1 | +6 |
| +3.1 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 15 | 5♣x | ♦5 | -2 | +0 |
| +2.2 | Round 8 | JOEL | 24 | 3NT | ♥3 | +2 | +0 |
| +1.9 | Round 4 | HEILONGJIANG TEAM | 24 | 3NT | ♠7 | +1 | -1 |
| +1.7 | Round 8 | JOEL | 26 | 3♥ | ♥3 | = | +6 |
| +1.4 | Round 6 | SINGAPORE MIXED | 13 | 1NT | ♠6 | +1 | +10 |
| +1.4 | Round 7 | RAYNER | 16 | 3♠ | ♣K | = | +0 |
| +1.1 | Round 6 | SINGAPORE MIXED | 10 | 4♥ | ♠7 | +1 | +0 |
| +1.0 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 21 | 5♠ | ♣A | = | +0 |
| +0.4 | Round 1 | YEH MIX | 4 | 1NT | ♣9 | = | +11 |
| +0.4 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 20 | 3NT | ♠8 | +1 | -1 |
| +0.3 | Round 4 | HEILONGJIANG TEAM | 26 | 3♠ | ♣A | +1 | +10 |
| +0.1 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 19 | 4♥ | ♥10 | +1 | +0 |
| +0.1 | Round 8 | JOEL | 28 | 4♥ | ♠7 | -2 | +1 |
| -0.1 | Round 4 | HEILONGJIANG TEAM | 25 | 3NT | ♠4 | = | +0 |
| -0.1 | Round 4 | HEILONGJIANG TEAM | 27 | 3♠ | ♣Q | -1 | +2 |
| -0.3 | Round 1 | YEH MIX | 2 | 4♥ | ♦K | +1 | +0 |
| -0.3 | Round 6 | SINGAPORE MIXED | 9 | 4♥ | ♣6 | +1 | +0 |
| -0.4 | Round 3 | CHINA PETROLEUM SPORTS ASSCCIA | 17 | 3♦ | ♣A | -1 | +5 |
| -1.2 | Round 7 | RAYNER | 15 | 3♣ | ♥7 | +2 | -2 |
| -1.3 | Round 1 | YEH MIX | 7 | 4♥ | ♠9 | = | +1 |
| -2.1 | Round 1 | YEH MIX | 5 | 3NT | ♠Q | -2 | -5 |
| -2.3 | Round 8 | JOEL | 22 | 2NT | ♦4 | -1 | +0 |
| -3.1 | Round 8 | JOEL | 27 | 4♥x | ♣9 | -2 | -4 |
| -3.7 | Round 4 | HEILONGJIANG TEAM | 23 | 4♥ | ♣9 | +1 | +13 |
| -4.0 | Round 8 | JOEL | 23 | 3♦ | ♣8 | -2 | +7 |
| -4.1 | Round 6 | SINGAPORE MIXED | 14 | 3NT | ♠J | -2 | -9 |
| -4.5 | Round 7 | RAYNER | 19 | 4♥ | ♣5 | -2 | -3 |
| -5.3 | Round 6 | SINGAPORE MIXED | 8 | 6NT | ♥K | -4 | -12 |
| -5.3 | Round 7 | RAYNER | 20 | 4♠ | ♦J | -2 | -7 |
| -5.7 | Round 1 | YEH MIX | 1 | 3NT | ♠4 | -1 | -10 |
| -7.6 | Round 1 | YEH MIX | 3 | 3♦ | ♠9 | +1 | -9 |
| -10.4 | Round 7 | RAYNER | 17 | 6♦ | ♥A | = | +0 |
| -13.1 | Round 6 | SINGAPORE MIXED | 12 | 6♥ | ♣2 | -1 | -17 |