QI Zhong · DARUI INDUSTRY
vs par split: bidding -1.46 · play -0.93
Strength of schedule: opponents averaged +0.83/bd (a tough draw) → opponent-adjusted -0.13/bd
Card play — on target: opening leads 83.3% #177 of 579 · declarer play 71.4% #315 of 579 · defence 86.7% #297 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 80.0% (5) |
| Declarer play | 50.0% (4) | 100.0% (3) |
| Defence | 100.0% (3) | 83.3% (12) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 50.0% (2) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -2.22 (9) · a suit -2.47 (19)
vs par by level: part-score -2.92 (12) · game -2.58 (12) · slam -0.25 (4)
By role: declaring -0.70/bd (-6.77 vs par · 13) · defending -1.19/bd (+1.40 vs par · 15)
By vulnerability: vulnerable -1.34/bd (-2.79 vs par · 14) · not vulnerable -0.58/bd (-2.00 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | J.Zhang | C.Nunes – F.Fantoni | Closed | 7 | -14.2 | -2.03 | -2.14 |
| Round 5 | J.Zhang | J.Chen – Y.Cai | Closed | 7 | +4.7 | +0.67 | +0.86 |
| Round 7 | J.Zhang | A.Wilsmore – M.Prescott | Closed | 7 | -5.9 | -0.84 | -2.86 |
| Round 8 | J.Zhang | A.Gerli – N.Del Buono | Closed | 7 | -11.5 | -1.64 | -5.43 |
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 |
|---|---|---|---|---|---|---|---|
| +6.5 | Round 5 | ZHEJIANG JINGFAN | 6 | 7♣ | ♥6 | = | -2 |
| +4.9 | Round 7 | LORENTZ | 15 | 4♠ | ♣K | +2 | -11 |
| +3.1 | Round 3 | MONACO | 15 | 2♠ | ♥J | -1 | +5 |
| +2.9 | Round 3 | MONACO | 19 | 4♥ | ♣6 | +1 | -17 |
| +2.6 | Round 5 | ZHEJIANG JINGFAN | 1 | 3NT | ♥5 | +1 | +1 |
| +2.0 | Round 8 | ITALIA | 25 | 4♠x | ♦A | -3 | -3 |
| +2.0 | Round 8 | ITALIA | 26 | 3NT | ♠2 | = | +0 |
| +1.9 | Round 5 | ZHEJIANG JINGFAN | 3 | 3NT | ♠7 | -2 | +6 |
| +0.6 | Round 5 | ZHEJIANG JINGFAN | 2 | 2♥ | ♠10 | +1 | +0 |
| +0.5 | Round 3 | MONACO | 17 | 1NT | ♠K | = | -2 |
| -0.0 | Round 8 | ITALIA | 23 | 2♠ | ♦10 | = | +0 |
| -0.3 | Round 7 | LORENTZ | 17 | 2♠ | ♥2 | +2 | -1 |
| -0.3 | Round 7 | LORENTZ | 20 | 4♥ | ♦5 | +2 | +13 |
| -0.4 | Round 5 | ZHEJIANG JINGFAN | 5 | 2♥ | ♣A | +1 | +0 |
| -0.4 | Round 7 | LORENTZ | 19 | 2♣ | ♠2 | +1 | +1 |
| -0.6 | Round 3 | MONACO | 18 | 2NT | ♦5 | -2 | +0 |
| -1.0 | Round 5 | ZHEJIANG JINGFAN | 7 | 4♠ | ♦3 | = | +0 |
| -1.2 | Round 8 | ITALIA | 24 | 4♠x | ♦A | -2 | -4 |
| -3.0 | Round 7 | LORENTZ | 21 | 1NT | ♠Q | = | -6 |
| -3.1 | Round 7 | LORENTZ | 18 | 3NT | ♥5 | -2 | -6 |
| -3.2 | Round 8 | ITALIA | 27 | 3♠ | ♥A | = | -6 |
| -3.5 | Round 8 | ITALIA | 28 | 4♥ | ♣6 | -2 | -11 |
| -3.7 | Round 7 | LORENTZ | 16 | 3♦ | ♠10 | +2 | -10 |
| -4.5 | Round 3 | MONACO | 21 | 6♠ | ♥J | = | +13 |
| -5.0 | Round 3 | MONACO | 16 | 6♦ | ♣A | = | +2 |
| -5.5 | Round 5 | ZHEJIANG JINGFAN | 4 | 3NT | ♣5 | = | +1 |
| -7.6 | Round 8 | ITALIA | 22 | 6NT | ♥9 | -3 | -14 |
| -10.6 | Round 3 | MONACO | 20 | 2♠ | ♥8 | -1 | -16 |