YU Dan · YUNNAN
vs par split: bidding +1.64 · play -0.05
Strength of schedule: opponents averaged -0.44/bd (an easy draw) → opponent-adjusted +0.16/bd
Card play — on target: opening leads 69.2% · declarer play 66.7% · defence 83.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 75.0% (8) |
| Declarer play | 0.0% (1) | 80.0% (5) |
| Defence | 87.5% (8) | 81.2% (16) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 50.0% (2) · ♦ 66.7% (6) · ♣ 100.0% (1)
vs par by strain: NT +2.54 (13) · a suit +1.17 (29)
vs par by level: part-score +0.38 (16) · game +1.73 (22) · slam +5.75 (4)
By role: declaring +1.78/bd (-0.61 vs par · 18) · defending -0.29/bd (+3.25 vs par · 24)
By vulnerability: vulnerable +1.59/bd (+3.90 vs par · 21) · not vulnerable -0.40/bd (-0.71 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | A.Zhu | P.Bertheau – J.Larsson | Closed | 14 | +5.8 | +0.41 | +0.36 |
| Round of 16 | A.Zhu | W.Wang – Y.Liu | Closed | 14 | +9.5 | +0.68 | +1.14 |
| Round of 16 | A.Zhu | W.Wang – Y.Liu | Closed | 14 | +9.8 | +0.70 | +3.29 |
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 |
|---|---|---|---|---|---|---|---|
| +13.1 | Round of 32 | PLATINUM CEM | 15 | 6♦x | ♥K | +1 | +14 |
| +10.1 | Round of 16 | SAIC | 8 | 6♣ | ♠A | = | -2 |
| +9.5 | Round of 16 | SAIC | 2 | 5♣x | ♦A | -3 | +9 |
| +8.3 | Round of 16 | SAIC | 20 | 5♦ | ♠K | = | +9 |
| +7.4 | Round of 16 | SAIC | 19 | 3NT | ♦2 | -3 | +14 |
| +6.6 | Round of 16 | SAIC | 5 | 4♠ | ♦2 | +1 | +4 |
| +4.9 | Round of 16 | SAIC | 12 | 3♠ | ♥A | +1 | +2 |
| +4.5 | Round of 32 | PLATINUM CEM | 16 | 4♠ | ♣6 | -1 | +6 |
| +4.5 | Round of 32 | PLATINUM CEM | 27 | 3NT | ♦10 | -1 | +5 |
| +4.4 | Round of 16 | SAIC | 3 | 3NT | ♠J | -1 | +12 |
| +3.6 | Round of 32 | PLATINUM CEM | 17 | 3NT | ♥10 | = | +0 |
| +3.4 | Round of 16 | SAIC | 23 | 2♠ | ♦Q | = | +6 |
| +3.3 | Round of 16 | SAIC | 1 | 2NT | ♣J | -4 | +7 |
| +2.9 | Round of 32 | PLATINUM CEM | 26 | 3NT | ♠4 | +2 | +0 |
| +1.3 | Round of 16 | SAIC | 25 | 1NT | ♠Q | = | +1 |
| +1.0 | Round of 32 | PLATINUM CEM | 28 | 3♥ | ♣A | = | +7 |
| +1.0 | Round of 16 | SAIC | 4 | 4♠ | ♦4 | -1 | +12 |
| +0.7 | Round of 16 | SAIC | 21 | 2♥ | ♦8 | = | +7 |
| +0.4 | Round of 16 | SAIC | 10 | 3NT | ♠8 | +3 | +12 |
| +0.4 | Round of 16 | SAIC | 15 | 1♠ | ♠2 | +1 | +7 |
| +0.4 | Round of 16 | SAIC | 17 | 4♥ | ♣7 | = | +0 |
| +0.1 | Round of 16 | SAIC | 13 | 3NT | ♦K | = | +0 |
| +0.1 | Round of 16 | SAIC | 27 | 3NT | ♦9 | = | -1 |
| +0.0 | Round of 32 | PLATINUM CEM | 18 | 4♠ | ♠4 | = | +0 |
| -0.3 | Round of 16 | SAIC | 28 | 6♠ | ♦J | = | +11 |
| -0.8 | Round of 32 | PLATINUM CEM | 23 | 4♥ | ♦Q | +1 | +0 |
| -1.0 | Round of 32 | PLATINUM CEM | 25 | 3♥ | ♦A | +2 | -6 |
| -1.4 | Round of 16 | SAIC | 16 | 2♥ | ♣J | = | +0 |
| -1.5 | Round of 16 | SAIC | 18 | 2♠ | ♦3 | +1 | +0 |
| -2.0 | Round of 32 | PLATINUM CEM | 20 | 4♠ | ♥K | +1 | -10 |
| -2.0 | Round of 32 | PLATINUM CEM | 24 | 3NT | ♠5 | +1 | +0 |
| -2.5 | Round of 16 | SAIC | 24 | 2♦ | ♣5 | -2 | -6 |
| -3.2 | Round of 16 | SAIC | 7 | 4♣ | ♠A | -1 | -5 |
| -3.2 | Round of 16 | SAIC | 22 | 3♣ | ♥4 | = | +1 |
| -3.3 | Round of 16 | SAIC | 26 | 5♣ | ♠A | -1 | -3 |
| -3.5 | Round of 16 | SAIC | 6 | 3♠ | ♥7 | -1 | -4 |
| -4.1 | Round of 16 | SAIC | 14 | 3NTx | ♠6 | -1 | -6 |
| -5.1 | Round of 32 | PLATINUM CEM | 19 | 2♦ | ♠K | = | -5 |
| -5.1 | Round of 32 | PLATINUM CEM | 22 | 3♥ | ♣Q | +1 | -6 |
| -7.8 | Round of 32 | PLATINUM CEM | 21 | 6♠ | ♥3 | = | +0 |
| -8.5 | Round of 16 | SAIC | 11 | 3NT | ♥6 | = | -11 |
| -11.5 | Round of 16 | SAIC | 9 | 5♦x | ♥2 | = | -14 |