ZHENG Jiangping · XBA
vs par split: bidding +1.87 · play -0.28
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted +0.95/bd
Card play — on target: opening leads 63.6% #168 of 207 · declarer play 68.8% #138 of 206 · defence 75.0% #179 of 208
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (2) | 77.8% (9) |
| Declarer play | 66.7% (3) | 69.2% (13) |
| Defence | 60.0% (5) | 78.9% (19) |
Opening leads by suit led: ♠ 33.3% (3) · ♥ 100.0% (3) · ♦ 66.7% (3) · ♣ 50.0% (2)
vs par by strain: NT +2.12 (8) · a suit +1.49 (39)
vs par by level: part-score +1.72 (18) · game +1.22 (27) · slam +5.50 (2)
By role: declaring +1.84/bd (+0.91 vs par · 23) · defending +0.06/bd (+2.00 vs par · 26)
By vulnerability: vulnerable +1.22/bd (+1.84 vs par · 25) · not vulnerable +0.55/bd (+1.12 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Hong | Y.Chen – S.Chen | Closed | 7 | +11.6 | +1.66 | +3.14 |
| Round 3 | L.Hong | R.Stephens – D.Rosslee | Open | 7 | +13.9 | +1.99 | +5.14 |
| Round 4 | L.Hong | R.Trendafilov – N.Senior | Open | 7 | +4.7 | +0.67 | -1.29 |
| Round 5 | L.Hong | B.Glasson – J.Glasson | Closed | 7 | +1.3 | +0.19 | -3.00 |
| Round 6 | L.Hong | M.Kang – J.Ran | Open | 7 | -6.7 | -0.96 | +1.29 |
| Round 7 | L.Hong | J.Li – X.Chen | Closed | 7 | +7.4 | +1.06 | +1.43 |
| Round 8 | L.Hong | H.Weinstein – C.Bjerkan | Open | 7 | +11.7 | +1.67 | +3.71 |
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 |
|---|---|---|---|---|---|---|---|
| +14.2 | Round 5 | GLASSON | 7 | 6♠ | ♠2 | = | +0 |
| +12.1 | Round 6 | SHANGHAI YITONG | 13 | 4♠x | ♥A | = | +11 |
| +8.5 | Round 3 | ROSSLEE | 19 | 1NT | ♥6 | = | +10 |
| +7.6 | Round 8 | BROCK | 28 | 4♥ | ♦A | = | +7 |
| +7.2 | Round 7 | GSRC & S UNITED | 19 | 5♦x | ♥A | -3 | +9 |
| +6.8 | Round 1 | SHENZHEN NANGANG POWER | 7 | 3♥x | ♣3 | -2 | +8 |
| +6.6 | Round 8 | BROCK | 25 | 6♥ | ♠9 | -1 | +11 |
| +5.8 | Round 4 | PENFOLD | 26 | 5♣x | ♥A | = | -2 |
| +5.7 | Round 3 | ROSSLEE | 17 | 4♥x | ♦2 | -1 | +6 |
| +4.7 | Round 7 | GSRC & S UNITED | 21 | 4♠ | ♥A | -1 | +5 |
| +4.1 | Round 1 | SHENZHEN NANGANG POWER | 1 | 4♦ | ♣6 | +1 | +7 |
| +3.9 | Round 3 | ROSSLEE | 18 | 3NT | ♣7 | -1 | +13 |
| +3.4 | Round 6 | SHANGHAI YITONG | 11 | 2♠ | ♣A | -2 | +8 |
| +3.1 | Round 4 | PENFOLD | 27 | 2♥ | ♣K | = | +0 |
| +2.4 | Round 8 | BROCK | 27 | 4♠ | ♦7 | = | +0 |
| +2.3 | Round 8 | BROCK | 24 | 3♣ | ♠8 | = | +8 |
| +2.2 | Round 6 | SHANGHAI YITONG | 10 | 4♠ | ♣5 | = | +0 |
| +2.0 | Round 1 | SHENZHEN NANGANG POWER | 5 | 1NT | ♠3 | = | +5 |
| +2.0 | Round 5 | GLASSON | 4 | 4♠ | ♥7 | +1 | +0 |
| +2.0 | Round 7 | GSRC & S UNITED | 20 | 4♠ | ♦A | +1 | +0 |
| +1.5 | Round 3 | ROSSLEE | 21 | 4♥ | ♣2 | +1 | +0 |
| +1.1 | Round 7 | GSRC & S UNITED | 15 | 3♦ | ♥A | -3 | -3 |
| +0.7 | Round 4 | PENFOLD | 28 | 2♥ | ♣3 | -1 | +1 |
| +0.3 | Round 1 | SHENZHEN NANGANG POWER | 2 | 3NT | ♠9 | +1 | +0 |
| +0.3 | Round 7 | GSRC & S UNITED | 17 | 4♠ | ♦10 | = | -1 |
| +0.2 | Round 1 | SHENZHEN NANGANG POWER | 6 | 4♥ | ♣K | +2 | +1 |
| +0.1 | Round 8 | BROCK | 22 | 4♥ | ♥2 | = | +1 |
| -0.1 | Round 5 | GLASSON | 2 | 2♥ | ♦4 | = | +0 |
| -0.4 | Round 4 | PENFOLD | 24 | 1NT | ♣J | -1 | -2 |
| -0.6 | Round 1 | SHENZHEN NANGANG POWER | 3 | 3♣ | ♠K | -1 | +5 |
| -0.6 | Round 5 | GLASSON | 3 | 3♥ | ♠K | -2 | -1 |
| -0.7 | Round 3 | ROSSLEE | 20 | 4♠ | ♦Q | +1 | +0 |
| -0.9 | Round 6 | SHANGHAI YITONG | 14 | 4♥ | ♦10 | -2 | +1 |
| -1.1 | Round 4 | PENFOLD | 22 | 4♠ | ♦A | +1 | +0 |
| -1.2 | Round 1 | SHENZHEN NANGANG POWER | 4 | Pass | -4 | ||
| -1.4 | Round 4 | PENFOLD | 23 | 3NT | ♠10 | = | +0 |
| -1.4 | Round 5 | GLASSON | 5 | 3♦ | ♥2 | -2 | +0 |
| -1.7 | Round 3 | ROSSLEE | 15 | 3♠ | ♦Q | = | +0 |
| -2.0 | Round 4 | PENFOLD | 25 | 4♥ | ♠A | -1 | -6 |
| -2.5 | Round 8 | BROCK | 23 | 3NT | ♠10 | +4 | -3 |
| -3.3 | Round 3 | ROSSLEE | 16 | 3♦ | ♠4 | +1 | +7 |
| -3.3 | Round 7 | GSRC & S UNITED | 16 | 4♠ | ♦J | = | +0 |
| -4.6 | Round 7 | GSRC & S UNITED | 18 | 4♠ | ♦7 | +1 | +0 |
| -4.8 | Round 8 | BROCK | 26 | Adj. | ♦5 | +2 | |
| -5.4 | Round 5 | GLASSON | 6 | 4♥ | ♦6 | -1 | -9 |
| -6.1 | Round 6 | SHANGHAI YITONG | 12 | 2♦ | ♥9 | -2 | -11 |
| -7.2 | Round 6 | SHANGHAI YITONG | 8 | 3NT | ♥10 | = | -6 |
| -7.4 | Round 5 | GLASSON | 1 | 3♣ | ♥9 | = | -11 |
| -10.2 | Round 6 | SHANGHAI YITONG | 9 | 5♣ | ♦4 | -2 | +6 |