YEH Chen · YBT
vs par split: bidding -0.07 · play +0.68
Strength of schedule: opponents averaged -1.18/bd (an easy draw) → opponent-adjusted +0.21/bd
Card play — on target: opening leads 85.7% · declarer play 100.0% · defence 73.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 100.0% (3) |
| Declarer play | 100.0% (1) | 100.0% (4) |
| Defence | 80.0% (5) | 70.0% (10) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT +0.46 (11) · a suit +0.71 (17)
vs par by level: part-score -1.08 (13) · game -0.17 (12) · slam +11.00 (3)
By role: declaring +0.79/bd (-2.08 vs par · 13) · defending +1.91/bd (+2.93 vs par · 15)
By vulnerability: vulnerable +0.90/bd (-1.71 vs par · 14) · not vulnerable +1.87/bd (+2.93 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | Y.Zhang | C.Dong – J.Ma | Open | 14 | +29.2 | +2.09 | +2.71 |
| Quarterfinal | Y.Zhang | S.Wu – S.Shen | Closed | 14 | +9.6 | +0.69 | -1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +14.1 | Round of 32 | CRE8IVE | 3 | 6NT | ♣10 | -1 | +20 |
| +12.1 | Quarterfinal | SAN CHEN FUND | 7 | 3NT | ♣3 | +2 | +2 |
| +11.7 | Round of 32 | CRE8IVE | 7 | 6♣ | ♦4 | -2 | +13 |
| +9.9 | Quarterfinal | SAN CHEN FUND | 1 | 3♠ | ♥3 | -2 | +13 |
| +9.4 | Quarterfinal | SAN CHEN FUND | 3 | 3NT | ♥4 | = | +0 |
| +9.1 | Round of 32 | CRE8IVE | 2 | 5♥x | ♦2 | -3 | -4 |
| +7.0 | Round of 32 | CRE8IVE | 13 | 3NT | ♦6 | -3 | +9 |
| +3.6 | Round of 32 | CRE8IVE | 1 | 4♠x | ♥8 | -2 | +4 |
| +3.6 | Quarterfinal | SAN CHEN FUND | 9 | 2♠ | ♠A | = | -1 |
| +0.4 | Quarterfinal | SAN CHEN FUND | 2 | 1NT | ♦6 | -1 | -1 |
| +0.0 | Round of 32 | CRE8IVE | 4 | 1NT | ♠3 | = | -5 |
| -0.0 | Round of 32 | CRE8IVE | 5 | 4♠ | ♦10 | = | +0 |
| +0.0 | Quarterfinal | SAN CHEN FUND | 8 | 4♠x | ♥10 | -2 | +5 |
| -0.3 | Quarterfinal | SAN CHEN FUND | 13 | 3NT | ♦3 | +2 | -13 |
| -0.4 | Quarterfinal | SAN CHEN FUND | 6 | 2NT | ♠7 | = | -1 |
| -0.9 | Quarterfinal | SAN CHEN FUND | 11 | 3NT | ♦3 | = | -2 |
| -1.0 | Quarterfinal | SAN CHEN FUND | 14 | 2♥ | ♠3 | +1 | -1 |
| -1.2 | Round of 32 | CRE8IVE | 12 | 3♦ | ♥5 | = | +0 |
| -1.3 | Round of 32 | CRE8IVE | 8 | 4♠ | ♥5 | +2 | +11 |
| -1.7 | Round of 32 | CRE8IVE | 11 | 6♠ | ♠2 | = | +0 |
| -2.2 | Round of 32 | CRE8IVE | 9 | 3♠ | ♥6 | = | -1 |
| -2.4 | Round of 32 | CRE8IVE | 14 | 3NT | ♥3 | +2 | -1 |
| -3.0 | Round of 32 | CRE8IVE | 10 | 1NT | ♥A | -2 | -3 |
| -3.3 | Quarterfinal | SAN CHEN FUND | 5 | 2♠ | ♦A | -1 | +0 |
| -3.9 | Quarterfinal | SAN CHEN FUND | 10 | 1♠ | ♦Q | +1 | -1 |
| -4.5 | Round of 32 | CRE8IVE | 6 | 3♠ | ♣3 | -1 | -5 |
| -7.4 | Quarterfinal | SAN CHEN FUND | 12 | 5♣ | ♥A | +1 | -13 |
| -8.6 | Quarterfinal | SAN CHEN FUND | 4 | 2♠ | ♥2 | -2 | -8 |