LI Xiaoyi · CHINA OPN(B)
vs par split: bidding -0.23 · play +0.43
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.79/bd
Card play — on target: opening leads 64.7% #248 of 310 · declarer play 88.9% #60 of 310 · defence 90.0% #93 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 61.5% (13) |
| Declarer play | 100.0% (2) | 85.7% (7) |
| Defence | 85.7% (7) | 91.3% (23) |
Opening leads by suit led: ♠ 40.0% (5) · ♥ 100.0% (4) · ♦ 75.0% (4) · ♣ 50.0% (4)
vs par by strain: NT -0.79 (14) · a suit +0.52 (42)
vs par by level: part-score -0.64 (28) · game +1.38 (21) · slam +0.00 (7)
By role: declaring +0.97/bd (-1.65 vs par · 26) · defending +0.35/bd (+1.80 vs par · 30)
By vulnerability: vulnerable +0.49/bd (-1.14 vs par · 28) · not vulnerable +0.79/bd (+1.54 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Zhang | B.Senior – S.Penfold | Closed | 7 | +26.6 | +3.80 | +4.57 |
| Round 2 | B.Zhang | K.Furuta – H.Kaku | Closed | 7 | +23.1 | +3.30 | -0.43 |
| Round 3 | B.Zhang | J.Kalita – M.Nowosadzki | Closed | 7 | -2.2 | -0.31 | -0.29 |
| Round 4 | B.Zhang | J.Kranyak – V.Demuy | Open | 7 | +20.1 | +2.87 | +3.71 |
| Round 5 | B.Zhang | A.Madala – N.Bocchi | Open | 7 | -8.7 | -1.24 | -2.43 |
| Round 6 | B.Zhang | A.Sontag – D.Berkowitz | Open | 7 | -14.3 | -2.04 | -1.29 |
| Round 7 | B.Zhang | H.Song – G.Huang | Open | 7 | +5.2 | +0.74 | +0.00 |
| Round 8 | B.Zhang | W.Olanski – V.Vainikonis | Closed | 7 | -14.0 | -2.00 | -2.29 |
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 |
|---|---|---|---|---|---|---|---|
| +13.3 | Round 1 | PENFOLD | 2 | 5♣x | ♣3 | -5 | +10 |
| +11.3 | Round 4 | LEBRON | 23 | 6♣x | ♥10 | -2 | +12 |
| +11.1 | Round 1 | PENFOLD | 4 | 3♣x | ♦10 | -3 | +5 |
| +10.3 | Round 4 | LEBRON | 27 | 6♠ | ♥5 | -2 | +14 |
| +8.4 | Round 2 | JAPAN | 13 | 6♠ | ♠3 | +1 | -13 |
| +7.8 | Round 7 | YUETAO OF GUANGZHOU | 18 | 6♦ | ♥6 | = | -2 |
| +7.3 | Round 1 | PENFOLD | 1 | 3NT | ♦7 | -1 | +10 |
| +6.5 | Round 2 | JAPAN | 9 | 4♠ | ♥5 | -2 | +8 |
| +5.7 | Round 4 | LEBRON | 28 | 3NT | ♣3 | = | +3 |
| +5.2 | Round 1 | PENFOLD | 3 | 2♠ | ♣Q | +2 | +7 |
| +5.1 | Round 2 | JAPAN | 10 | 4♥ | ♠K | = | +3 |
| +5.0 | Round 7 | YUETAO OF GUANGZHOU | 16 | 4♠ | ♣10 | -2 | +7 |
| +4.2 | Round 2 | JAPAN | 14 | 2♠ | ♣7 | +2 | +2 |
| +3.1 | Round 5 | LAVAZZA | 7 | 6♥ | ♠A | = | +0 |
| +2.5 | Round 3 | ZAWADA | 18 | 3♥ | ♦2 | = | +6 |
| +2.3 | Round 3 | ZAWADA | 19 | 4♠ | ♦K | = | +6 |
| +2.3 | Round 8 | VITAS | 25 | 1NTx | ♠Q | -1 | +2 |
| +1.7 | Round 1 | PENFOLD | 6 | 2NT | ♥5 | = | +10 |
| +1.3 | Round 3 | ZAWADA | 20 | 2NT | ♦5 | +1 | -1 |
| +1.2 | Round 2 | JAPAN | 11 | 1NT | ♣10 | +2 | +2 |
| +1.0 | Round 5 | LAVAZZA | 1 | 4♥ | ♣K | +1 | +0 |
| +1.0 | Round 5 | LAVAZZA | 6 | 6NT | ♦Q | = | -11 |
| +1.0 | Round 6 | MARK GORDON | 9 | 4♥ | ♦K | -1 | +5 |
| +0.9 | Round 2 | JAPAN | 8 | 1NT | ♠2 | +1 | +0 |
| +0.9 | Round 8 | VITAS | 28 | 4♠ | ♦J | = | +3 |
| +0.8 | Round 3 | ZAWADA | 17 | 3♠ | ♠2 | = | -4 |
| +0.7 | Round 7 | YUETAO OF GUANGZHOU | 17 | 4♥ | ♦7 | -2 | +7 |
| +0.5 | Round 4 | LEBRON | 26 | 1♦ | ♥J | +1 | -1 |
| +0.1 | Round 4 | LEBRON | 25 | 3NT | ♠Q | = | +0 |
| -0.1 | Round 6 | MARK GORDON | 14 | 3♠ | ♠2 | +1 | -2 |
| -0.2 | Round 6 | MARK GORDON | 8 | 3♠ | ♦K | -1 | +2 |
| -0.3 | Round 3 | ZAWADA | 15 | 4♥ | ♠10 | +2 | +11 |
| -0.4 | Round 5 | LAVAZZA | 2 | 2♠ | ♥K | = | +1 |
| -1.0 | Round 1 | PENFOLD | 5 | 3♥ | ♠K | = | +0 |
| -1.2 | Round 7 | YUETAO OF GUANGZHOU | 19 | 2♥ | ♠3 | = | +0 |
| -1.8 | Round 6 | MARK GORDON | 11 | 3♣ | ♣3 | = | +0 |
| -1.8 | Round 6 | MARK GORDON | 13 | 2♠ | ♥J | = | +0 |
| -1.8 | Round 7 | YUETAO OF GUANGZHOU | 20 | 3♥ | ♣2 | -1 | +0 |
| -2.0 | Round 8 | VITAS | 23 | 3♣ | ♠K | = | +0 |
| -2.1 | Round 4 | LEBRON | 24 | 1NT | ♥3 | +1 | -1 |
| -2.1 | Round 5 | LAVAZZA | 4 | 4♠ | ♦Q | -1 | -6 |
| -2.3 | Round 3 | ZAWADA | 16 | 1NT | ♠3 | = | -8 |
| -2.4 | Round 8 | VITAS | 24 | 2♠ | ♦6 | +1 | +0 |
| -2.4 | Round 8 | VITAS | 26 | 1NT | ♥4 | +3 | -10 |
| -2.6 | Round 7 | YUETAO OF GUANGZHOU | 21 | 6♠ | ♦6 | = | +0 |
| -2.7 | Round 7 | YUETAO OF GUANGZHOU | 15 | 4♠ | ♣6 | -1 | -12 |
| -3.2 | Round 2 | JAPAN | 12 | 3♦ | ♣3 | = | -5 |
| -3.2 | Round 5 | LAVAZZA | 3 | 3NT | ♦9 | +1 | -1 |
| -3.7 | Round 8 | VITAS | 27 | 2♠ | ♦Q | +2 | -6 |
| -4.1 | Round 6 | MARK GORDON | 10 | 3NT | ♥Q | -1 | -6 |
| -5.7 | Round 4 | LEBRON | 22 | 4♥ | ♠3 | = | -1 |
| -6.5 | Round 3 | ZAWADA | 21 | 2♦ | ♣3 | = | -12 |
| -6.7 | Round 8 | VITAS | 22 | 3♦x | ♠J | -2 | -5 |
| -7.3 | Round 6 | MARK GORDON | 12 | 4♠x | ♥3 | -2 | -8 |
| -8.1 | Round 5 | LAVAZZA | 5 | 4♠ | ♣3 | = | +0 |
| -11.0 | Round 1 | PENFOLD | 7 | 4♠ | ♣J | = | -10 |