GUO Zhen Zhong · BEIJING LAWYERS
vs par split: bidding -0.12 · play -0.55
Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.64/bd
Card play — on target: opening leads 75.0% #156 of 277 · declarer play 81.2% #102 of 277 · defence 81.5% #163 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 78.6% (14) |
| Declarer play | 66.7% (3) | 84.6% (13) |
| Defence | 60.0% (5) | 86.4% (22) |
Opening leads by suit led: ♠ 40.0% (5) · ♥ 100.0% (4) · ♦ 100.0% (2) · ♣ 80.0% (5)
vs par by strain: NT -1.61 (13) · a suit -0.40 (43)
vs par by level: part-score -1.00 (33) · game -0.74 (19) · slam +2.25 (4)
By role: declaring +0.24/bd (-1.45 vs par · 29) · defending -1.55/bd (+0.15 vs par · 27)
By vulnerability: vulnerable -0.75/bd (-0.90 vs par · 29) · not vulnerable -0.48/bd (-0.44 vs par · 27)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | F.Wang | Z.Wu – D.Huang | Open | 7 | -6.0 | -0.86 | -0.43 |
| Round 3 | F.Wang | L.Wang – Y.Gu | Closed | 7 | +11.1 | +1.59 | +1.14 |
| Round 4 | F.Wang | Y.Wang – J.Liu | Open | 7 | -18.6 | -2.66 | -3.71 |
| Round 5 | N.Deng | T.Chung – J.Chung | Closed | 7 | -5.8 | -0.83 | +0.43 |
| Round 6 | N.Deng | W.Lu – X.Wu | Open | 7 | -3.2 | -0.46 | -1.00 |
| Round 7 | F.Wang | S.Liu – Y.Liang | Open | 7 | +12.6 | +1.80 | +1.14 |
| Round 8 | F.Wang | K.Tang – J.Zhou | Open | 7 | -12.9 | -1.84 | -1.71 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 3 | QIANWEI | 21 | 2♣x | ♥10 | +3 | +5 |
| +8.5 | Round 7 | DONGFENG FENGSHEN | 15 | 4♥ | ♦2 | = | +0 |
| +8.0 | Round 7 | DONGFENG FENGSHEN | 18 | 6♦ | ♠5 | = | -2 |
| +7.2 | Round 3 | QIANWEI | 16 | 4♥ | ♠A | = | +0 |
| +5.8 | Round 6 | RAINBOW | 12 | 4♠x | ♠9 | -2 | +8 |
| +3.7 | Round 6 | RAINBOW | 9 | 5♣ | ♦2 | -2 | +0 |
| +3.4 | Round 7 | DONGFENG FENGSHEN | 16 | 5♠ | ♣10 | -1 | +5 |
| +3.2 | Round 5 | CTBA | 4 | 4♠ | ♥J | -1 | +6 |
| +2.8 | Round 8 | ZHONGFU | 25 | 1♠ | ♠J | -2 | +2 |
| +2.4 | Round 3 | QIANWEI | 17 | 3♠ | ♣8 | = | -4 |
| +2.3 | Round 1 | GUANGZHOU PEARL RIVE | 2 | 2♥ | ♦3 | +2 | +10 |
| +2.1 | Round 5 | CTBA | 5 | 2♠ | ♠3 | +3 | -6 |
| +1.8 | Round 5 | CTBA | 3 | 3NT | ♥9 | = | +0 |
| +1.8 | Round 8 | ZHONGFU | 22 | 2♠ | ♥Q | -1 | +6 |
| +1.6 | Round 3 | QIANWEI | 19 | 4♠ | ♦K | = | +6 |
| +1.5 | Round 4 | TIANJIN COM-JADEITE | 24 | 1NT | ♥4 | = | +0 |
| +0.8 | Round 4 | TIANJIN COM-JADEITE | 25 | 3NT | ♥4 | +1 | +1 |
| +0.8 | Round 8 | ZHONGFU | 28 | 4♠ | ♦J | = | +3 |
| +0.7 | Round 1 | GUANGZHOU PEARL RIVE | 5 | 3♥ | ♠K | = | +0 |
| +0.3 | Round 1 | GUANGZHOU PEARL RIVE | 7 | 2♠ | ♥2 | = | -1 |
| -0.0 | Round 6 | RAINBOW | 14 | 2♥ | ♥4 | +1 | +1 |
| -0.2 | Round 1 | GUANGZHOU PEARL RIVE | 6 | 1NT | ♥4 | +1 | -10 |
| -0.6 | Round 3 | QIANWEI | 15 | 4♥ | ♠10 | +2 | +11 |
| -0.7 | Round 5 | CTBA | 6 | 6NT | ♣10 | = | +11 |
| -0.7 | Round 7 | DONGFENG FENGSHEN | 17 | 3♦ | ♥4 | -3 | +6 |
| -0.8 | Round 4 | TIANJIN COM-JADEITE | 26 | 1NT | ♠4 | +1 | +0 |
| -1.4 | Round 4 | TIANJIN COM-JADEITE | 23 | 3♣ | ♠3 | +1 | +0 |
| -1.4 | Round 8 | ZHONGFU | 23 | 3♣ | ♠K | = | +0 |
| -1.5 | Round 1 | GUANGZHOU PEARL RIVE | 4 | 1NT | ♣A | -1 | +11 |
| -1.6 | Round 5 | CTBA | 1 | 4♥ | ♠K | +2 | -1 |
| -1.6 | Round 7 | DONGFENG FENGSHEN | 20 | 2♠ | ♣7 | = | +0 |
| -1.7 | Round 6 | RAINBOW | 10 | 3♦ | ♠J | +1 | +0 |
| -2.4 | Round 7 | DONGFENG FENGSHEN | 21 | 6♠ | ♦8 | = | +0 |
| -2.6 | Round 7 | DONGFENG FENGSHEN | 19 | 2♥ | ♥6 | -3 | -1 |
| -2.8 | Round 1 | GUANGZHOU PEARL RIVE | 1 | 1NT | ♦10 | +3 | -6 |
| -2.9 | Round 6 | RAINBOW | 8 | 2♠ | ♥Q | = | -5 |
| -3.1 | Round 3 | QIANWEI | 18 | 2♠ | ♥4 | = | +0 |
| -3.5 | Round 8 | ZHONGFU | 27 | 2♠ | ♦Q | +2 | -6 |
| -3.6 | Round 4 | TIANJIN COM-JADEITE | 22 | 2♥ | ♠7 | +2 | -10 |
| -3.8 | Round 6 | RAINBOW | 13 | 3♠ | ♠7 | -1 | -5 |
| -4.3 | Round 6 | RAINBOW | 11 | 3♥ | ♦7 | = | -6 |
| -4.7 | Round 5 | CTBA | 7 | 6♥ | ♠A | = | +0 |
| -4.8 | Round 1 | GUANGZHOU PEARL RIVE | 3 | 2♠ | ♣K | +2 | -7 |
| -5.8 | Round 4 | TIANJIN COM-JADEITE | 28 | 3NT | ♣4 | = | -3 |
| -5.8 | Round 8 | ZHONGFU | 26 | 2♦ | ♥Q | +2 | -11 |
| -5.9 | Round 5 | CTBA | 2 | 3♥ | ♥5 | = | -7 |
| -7.5 | Round 3 | QIANWEI | 20 | 3NT | ♦5 | = | -10 |
| -7.6 | Round 8 | ZHONGFU | 24 | 3NT | ♦4 | = | -6 |
| -9.3 | Round 4 | TIANJIN COM-JADEITE | 27 | 4♠ | ♥6 | -1 | -14 |