🇨🇳 TANG Xuchen · CHINA
vs par split: bidding +2.43 · play -0.64
Strength of schedule: opponents averaged +0.31/bd (a tough draw) → opponent-adjusted +1.26/bd
Card play — on target: opening leads 83.3% · declarer play 100.0% · defence 72.7%
Bidding activity — not a pass: 64.5% (49/76)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 100.0% (3) |
| Declarer play | · | 100.0% (6) |
| Defence | 100.0% (3) | 62.5% (8) |
Opening leads by suit led: ♠ 100.0% (2) · ♦ 100.0% (2) · ♣ 50.0% (2)
vs par by strain: NT -0.50 (8) · a suit +2.70 (20)
vs par by level: part-score +1.73 (11) · game +1.82 (17)
By role: declaring +0.84/bd (-1.59 vs par · 17) · defending +1.10/bd (+7.00 vs par · 11)
By vulnerability: vulnerable +2.04/bd (+2.57 vs par · 14) · not vulnerable -0.15/bd (+1.00 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | Z.Zhang | D.Balof – E.Derman | Closed | 14 | +33.5 | +2.39 | +1.71 |
| Quarterfinal | Z.Zhang | D.Balof – E.Derman | Closed | 14 | -7.1 | -0.51 | +1.86 |
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 |
|---|---|---|---|---|---|---|---|
| +8.7 | Quarterfinal | 🇺🇸 USA2 | 1 | 4♠ | ♥4 | = | +0 |
| +8.3 | Quarterfinal | 🇺🇸 USA2 | 13 | 4♥x | ♦Q | -1 | +12 |
| +6.6 | Quarterfinal | 🇺🇸 USA2 | 9 | 3NT | ♣4 | -2 | +11 |
| +5.9 | Quarterfinal | 🇺🇸 USA2 | 16 | 5♣x | ♠Q | -1 | +7 |
| +4.9 | Quarterfinal | 🇺🇸 USA2 | 12 | 4♠ | ♥T | +2 | +1 |
| +4.3 | Quarterfinal | 🇺🇸 USA2 | 3 | 4♥ | ♠6 | = | +3 |
| +3.1 | Quarterfinal | 🇺🇸 USA2 | 20 | 2♠ | ♣5 | -3 | +9 |
| +2.9 | Quarterfinal | 🇺🇸 USA2 | 10 | 3NT | ♠3 | = | -1 |
| +2.9 | Quarterfinal | 🇺🇸 USA2 | 17 | 3NT | ♠3 | +1 | +0 |
| +2.3 | Quarterfinal | 🇺🇸 USA2 | 22 | 2♥ | ♣K | = | +0 |
| +2.1 | Quarterfinal | 🇺🇸 USA2 | 4 | 4♥ | ♦4 | +1 | +0 |
| +1.9 | Quarterfinal | 🇺🇸 USA2 | 7 | 5♣ | ♠3 | = | +11 |
| +1.9 | Quarterfinal | 🇺🇸 USA2 | 15 | 2♥ | ♠K | +1 | -7 |
| +1.6 | Quarterfinal | 🇺🇸 USA2 | 19 | 5♥ | ♦8 | = | +0 |
| +0.9 | Quarterfinal | 🇺🇸 USA2 | 6 | 1NT | ♣5 | -1 | -1 |
| +0.4 | Quarterfinal | 🇺🇸 USA2 | 14 | 4♥ | ♦A | = | +1 |
| +0.3 | Quarterfinal | 🇺🇸 USA2 | 5 | 4♦ | ♥A | = | +0 |
| -0.6 | Quarterfinal | 🇺🇸 USA2 | 23 | 2NT | ♥7 | -1 | +3 |
| -1.1 | Quarterfinal | 🇺🇸 USA2 | 8 | 3NT | ♠T | +1 | -14 |
| -1.4 | Quarterfinal | 🇺🇸 USA2 | 27 | 3♠ | ♥J | -1 | +2 |
| -1.7 | Quarterfinal | 🇺🇸 USA2 | 18 | 3♥ | ♣4 | -1 | +2 |
| -2.0 | Quarterfinal | 🇺🇸 USA2 | 2 | 2♥ | ♦2 | -1 | +2 |
| -2.6 | Quarterfinal | 🇺🇸 USA2 | 21 | 1NT | ♠4 | +1 | +10 |
| -3.3 | Quarterfinal | 🇺🇸 USA2 | 28 | 4♠ | ♥J | -2 | +7 |
| -4.4 | Quarterfinal | 🇺🇸 USA2 | 24 | 5♦ | ♦4 | +1 | +11 |
| -4.7 | Quarterfinal | 🇺🇸 USA2 | 11 | 3♥ | ♣4 | +1 | -1 |
| -4.7 | Quarterfinal | 🇺🇸 USA2 | 25 | 4♠ | ♥8 | -1 | -6 |
| -6.1 | Quarterfinal | 🇺🇸 USA2 | 26 | 3NT | ♠5 | -1 | -12 |