LI Zhigang · DONGFENG FENGSHEN
vs par split: bidding -0.67 · play -0.05
Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted -0.54/bd
Card play — on target: opening leads 63.6% #241 of 277 · declarer play 73.3% #150 of 277 · defence 95.7% #12 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 66.7% (9) |
| Declarer play | 71.4% (7) | 75.0% (8) |
| Defence | 100.0% (4) | 94.7% (19) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 66.7% (3) · ♦ 80.0% (5) · ♣ 0.0% (1)
vs par by strain: NT -3.33 (15) · a suit +0.25 (40)
vs par by level: part-score -1.38 (24) · game +0.89 (26) · slam -6.00 (5)
By role: declaring -0.74/bd (-2.76 vs par · 33) · defending +0.16/bd (+2.35 vs par · 23)
By vulnerability: vulnerable -1.18/bd (-2.36 vs par · 28) · not vulnerable +0.44/bd (+1.04 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Z.Yu | Y.Atabey – U.Suzer | Open | 7 | -8.5 | -1.21 | -0.43 |
| Round 2 | Z.Yu | J.Alfonsin – M.Villegas | Open | 7 | +3.6 | +0.51 | -1.57 |
| Round 3 | Z.Yu | B.Marina – I.Coldea | Open | 7 | +5.0 | +0.71 | -0.29 |
| Round 4 | Z.Yu | M.Kong – L.Huang | Closed | 7 | +6.3 | +0.90 | +2.57 |
| Round 5 | Z.Yu | A.Shah – S.Karmarkar | Closed | 7 | -13.7 | -1.96 | -3.43 |
| Round 6 | Z.Yu | J.Gao – D.Cao | Open | 7 | -18.8 | -2.69 | -2.00 |
| Round 7 | Z.Yu | W.Guo – X.Xue | Closed | 7 | -2.3 | -0.33 | -1.43 |
| Round 8 | Z.Yu | N.Al-Turki – I.Al-Qattan | Open | 7 | +7.7 | +1.10 | +1.29 |
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 |
|---|---|---|---|---|---|---|---|
| +9.9 | Round 1 | AYDIN | 3 | 4♠x | ♦5 | -3 | +8 |
| +8.5 | Round 4 | DARUI INDUSTRY | 22 | 4♥ | ♥A | -1 | +12 |
| +8.4 | Round 2 | VIRGINIA | 14 | 4♠ | ♣7 | = | +7 |
| +8.0 | Round 7 | BEIJING LAWYERS | 18 | 6♦ | ♥8 | = | -2 |
| +6.3 | Round 2 | VIRGINIA | 9 | 4♠ | ♠10 | -2 | +8 |
| +5.8 | Round 4 | DARUI INDUSTRY | 28 | 3NT | ♣4 | = | +3 |
| +4.9 | Round 8 | THE KINGS | 26 | 3NT | ♦Q | +1 | +0 |
| +4.4 | Round 6 | SUZHOUTAIHU | 14 | 4♥ | ♠Q | -1 | +4 |
| +4.1 | Round 2 | VIRGINIA | 11 | 4♥x | ♠K | -2 | +5 |
| +3.7 | Round 8 | THE KINGS | 23 | 2♠ | ♣J | = | +6 |
| +3.6 | Round 5 | PODDAR DEVELOPERS | 5 | 4♠ | ♥2 | -1 | +10 |
| +3.5 | Round 4 | DARUI INDUSTRY | 24 | 1♠ | ♥5 | -2 | +5 |
| +2.6 | Round 8 | THE KINGS | 24 | 5♣ | ♦6 | -1 | +5 |
| +2.4 | Round 3 | ROMANIA | 17 | 3♠ | ♣8 | = | -4 |
| +2.3 | Round 3 | ROMANIA | 20 | 1NT | ♥Q | +2 | -1 |
| +2.2 | Round 8 | THE KINGS | 25 | 1NT | ♣4 | +3 | +1 |
| +2.0 | Round 2 | VIRGINIA | 8 | 1NT | ♠2 | +1 | +0 |
| +1.6 | Round 3 | ROMANIA | 19 | 4♠ | ♦K | = | +6 |
| +1.4 | Round 1 | AYDIN | 2 | 2♥ | ♦Q | +3 | +10 |
| +1.1 | Round 7 | BEIJING LAWYERS | 17 | 4♥ | ♦7 | -2 | +7 |
| +0.9 | Round 7 | BEIJING LAWYERS | 20 | Pass | +3 | ||
| +0.8 | Round 8 | THE KINGS | 28 | 4♠ | ♣7 | = | +3 |
| +0.7 | Round 5 | PODDAR DEVELOPERS | 6 | 6NT | ♦3 | = | -11 |
| +0.6 | Round 4 | DARUI INDUSTRY | 26 | 2♥ | ♦10 | = | +0 |
| +0.5 | Round 3 | ROMANIA | 18 | 3♠ | ♣K | -1 | +4 |
| +0.2 | Round 4 | DARUI INDUSTRY | 25 | 3NT | ♦4 | = | +0 |
| -0.0 | Round 1 | AYDIN | 7 | 1NT | ♦5 | = | -2 |
| -0.1 | Round 5 | PODDAR DEVELOPERS | 2 | 3♥ | ♦9 | -1 | +1 |
| -0.4 | Round 4 | DARUI INDUSTRY | 27 | 4♠ | ♦4 | +1 | +11 |
| -0.4 | Round 5 | PODDAR DEVELOPERS | 1 | 4♥ | ♣A | = | -1 |
| -0.5 | Round 3 | ROMANIA | 16 | 1NT | ♠4 | = | -8 |
| -0.6 | Round 3 | ROMANIA | 15 | 4♥ | ♠10 | +2 | +11 |
| -0.7 | Round 3 | ROMANIA | 21 | 3♣ | ♦5 | +2 | -10 |
| -1.2 | Round 1 | AYDIN | 6 | 1NT | ♥5 | = | -11 |
| -1.8 | Round 5 | PODDAR DEVELOPERS | 3 | 3NT | ♥5 | = | +0 |
| -2.0 | Round 6 | SUZHOUTAIHU | 13 | 3♠ | ♦Q | = | -1 |
| -2.1 | Round 6 | SUZHOUTAIHU | 11 | 3♣ | ♣3 | = | +0 |
| -2.4 | Round 7 | BEIJING LAWYERS | 21 | 6♠ | ♥2 | = | +0 |
| -2.5 | Round 6 | SUZHOUTAIHU | 8 | 3♠ | ♦K | -2 | +0 |
| -2.6 | Round 7 | BEIJING LAWYERS | 19 | 2♥ | ♦Q | -3 | -1 |
| -3.0 | Round 8 | THE KINGS | 22 | 2♠ | ♥Q | = | +0 |
| -3.2 | Round 5 | PODDAR DEVELOPERS | 4 | 4♠ | ♦K | -1 | -6 |
| -3.5 | Round 7 | BEIJING LAWYERS | 15 | 4♠ | ♠4 | -1 | -12 |
| -3.5 | Round 8 | THE KINGS | 27 | 2♠ | ♣6 | +2 | -6 |
| -3.7 | Round 6 | SUZHOUTAIHU | 9 | 6♣ | ♠A | -2 | +0 |
| -3.7 | Round 6 | SUZHOUTAIHU | 10 | 3NT | ♥3 | -1 | -6 |
| -3.8 | Round 7 | BEIJING LAWYERS | 16 | 5♥x | ♦6 | -2 | -5 |
| -5.0 | Round 2 | VIRGINIA | 10 | 3♠x | ♣K | -1 | -7 |
| -5.2 | Round 1 | AYDIN | 5 | 2♠ | ♥A | = | -6 |
| -5.5 | Round 2 | VIRGINIA | 12 | 4♥x | ♦J | -1 | -7 |
| -5.9 | Round 1 | AYDIN | 4 | 1NT | ♣A | -3 | +8 |
| -6.7 | Round 2 | VIRGINIA | 13 | 4♠ | ♥4 | +2 | -17 |
| -7.5 | Round 1 | AYDIN | 1 | 3NT | ♦10 | -1 | -10 |
| -9.2 | Round 6 | SUZHOUTAIHU | 12 | 3♠ | ♦2 | -2 | -11 |
| -11.9 | Round 4 | DARUI INDUSTRY | 23 | 3NTx | ♠9 | +1 | -13 |
| -12.5 | Round 5 | PODDAR DEVELOPERS | 7 | 6♥ | ♣3 | -1 | -17 |