LI Xiaoyi · CHINA OPN(B)
vs par split: bidding +1.40 · play -0.62
Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted -0.60/bd
Card play — on target: opening leads 88.9% · declarer play 81.2% · defence 70.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 80.0% (5) |
| Declarer play | 50.0% (4) | 91.7% (12) |
| Defence | 83.3% (6) | 64.3% (14) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT +0.83 (12) · a suit +0.77 (30)
vs par by level: part-score +0.29 (14) · game +1.24 (25) · slam -0.67 (3)
By role: declaring +0.12/bd (-2.09 vs par · 22) · defending -1.05/bd (+3.95 vs par · 20)
By vulnerability: vulnerable +0.30/bd (+0.86 vs par · 21) · not vulnerable -1.17/bd (+0.71 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | B.Zhang | A.Black – P.King | Open | 14 | -3.5 | -0.25 | +0.86 |
| Round of 32 | B.Zhang | A.Black – P.King | Open | 14 | +2.0 | +0.14 | +0.21 |
| Round of 32 | B.Zhang | G.Hallberg – P.Bertheau | Open | 14 | -16.8 | -1.20 | +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 |
|---|---|---|---|---|---|---|---|
| +8.8 | Round of 32 | BLACK | 18 | 6♠ | ♥K | -2 | +11 |
| +7.3 | Round of 32 | BLACK | 17 | 3NT | ♠7 | +2 | +2 |
| +6.7 | Round of 32 | BLACK | 35 | 3NT | ♣K | -3 | +4 |
| +5.6 | Round of 32 | BLACK | 2 | 2♥ | ♠K | = | +6 |
| +4.9 | Round of 32 | BLACK | 3 | 4♥ | ♥2 | = | +0 |
| +4.2 | Round of 32 | BLACK | 7 | 2♣ | ♥8 | +4 | +10 |
| +3.8 | Round of 32 | BLACK | 24 | 4♠ | ♣A | = | +0 |
| +3.3 | Round of 32 | BLACK | 20 | 3NT | ♠6 | +3 | +1 |
| +2.8 | Round of 32 | BLACK | 38 | 2♠ | ♣A | = | +0 |
| +2.7 | Round of 32 | BLACK | 34 | 3♣ | ♦3 | = | +0 |
| +2.5 | Round of 32 | BLACK | 5 | 4♠ | ♦2 | -1 | +5 |
| +2.5 | Round of 32 | BLACK | 23 | 4♠ | ♥8 | = | +0 |
| +2.4 | Round of 32 | BLACK | 39 | 3NT | ♦J | -2 | +5 |
| +1.9 | Round of 32 | BLACK | 30 | 4♠ | ♥4 | = | +3 |
| +0.6 | Round of 32 | BLACK | 33 | 2NT | ♥10 | +1 | -10 |
| +0.3 | Round of 32 | BLACK | 1 | 5♥ | ♣Q | = | +0 |
| +0.3 | Round of 32 | BLACK | 27 | 4♥ | ♠3 | = | +0 |
| +0.2 | Round of 32 | BLACK | 4 | 4♠ | ♦2 | +1 | +13 |
| +0.1 | Round of 32 | BLACK | 6 | 4♠ | ♥6 | = | +0 |
| +0.1 | Round of 32 | BLACK | 16 | 4♥ | ♥5 | = | +0 |
| -0.6 | Round of 32 | BLACK | 10 | 4♠ | ♦A | -1 | -6 |
| -0.8 | Round of 32 | BLACK | 32 | 3NT | ♥5 | +2 | +13 |
| -0.9 | Round of 32 | BLACK | 9 | 2♠ | ♠7 | -1 | -1 |
| -1.3 | Round of 32 | BLACK | 12 | 2♥ | ♠3 | +1 | +0 |
| -1.4 | Round of 32 | BLACK | 29 | 4NT | ♣5 | +1 | +11 |
| -1.6 | Round of 32 | BLACK | 22 | 3♥ | ♠3 | +1 | -1 |
| -1.7 | Round of 32 | BLACK | 11 | 2♠ | ♦10 | -1 | -5 |
| -1.7 | Round of 32 | BLACK | 40 | 3♥ | ♥3 | -3 | +4 |
| -1.9 | Round of 32 | BLACK | 26 | 2♥ | ♣A | -2 | -9 |
| -2.1 | Round of 32 | BLACK | 28 | 4♥ | ♠3 | = | +0 |
| -3.3 | Round of 32 | BLACK | 13 | 2♥ | ♣A | -1 | +0 |
| -3.4 | Round of 32 | BLACK | 37 | 3♣ | ♦3 | +1 | +10 |
| -3.5 | Round of 32 | BLACK | 21 | 3NT | ♦Q | +1 | -1 |
| -3.5 | Round of 32 | BLACK | 25 | 3NT | ♣7 | +1 | +13 |
| -3.9 | Round of 32 | BLACK | 31 | 3NT | ♣3 | -1 | -5 |
| -4.7 | Round of 32 | BLACK | 14 | 3NT | ♥10 | -1 | -10 |
| -5.4 | Round of 32 | BLACK | 42 | 4♠ | ♥6 | = | +0 |
| -5.5 | Round of 32 | BLACK | 19 | 2♠ | ♣A | = | +0 |
| -5.7 | Round of 32 | BLACK | 36 | 4♥x | ♠4 | = | -4 |
| -6.0 | Round of 32 | BLACK | 15 | 4♥ | ♣Q | -1 | -13 |
| -8.8 | Round of 32 | BLACK | 8 | 6♦ | ♣K | = | +0 |
| -11.6 | Round of 32 | BLACK | 41 | 6NT | ♦3 | -2 | -13 |