YEH Chen · YEH MIX
vs par split: bidding +1.21 · play -1.71
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -1.51/bd
Card play — on target: opening leads 100.0% · declarer play 75.0% · defence 71.4%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 100.0% (4) |
| Declarer play | 0.0% (1) | 100.0% (3) |
| Defence | 0.0% (1) | 83.3% (6) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♣ 100.0% (3)
vs par by strain: NT -6.00 (3) · a suit +1.00 (11)
vs par by level: part-score -1.00 (5) · game -0.25 (8) · slam +0.00 (1)
By role: declaring -1.17/bd (-3.43 vs par · 7) · defending -1.77/bd (+2.43 vs par · 7)
By vulnerability: vulnerable -2.40/bd (+0.14 vs par · 7) · not vulnerable -0.54/bd (-1.14 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | Y.Zhang | B.Tarnovski – R.Pachtman | Open | 14 | -20.6 | -1.47 | -0.50 |
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 |
|---|---|---|---|---|---|---|---|
| +8.4 | Round of 32 | ERA | 7 | 4♠ | ♥2 | -1 | +12 |
| +4.9 | Round of 32 | ERA | 3 | 4♠ | ♠2 | = | +0 |
| +1.8 | Round of 32 | ERA | 8 | 5♦ | ♣A | +1 | +11 |
| +1.1 | Round of 32 | ERA | 6 | 4♠ | ♦3 | +1 | +1 |
| +0.1 | Round of 32 | ERA | 9 | 3♦ | ♣4 | +1 | +0 |
| -0.6 | Round of 32 | ERA | 10 | 4♠ | ♦2 | -1 | -6 |
| -1.3 | Round of 32 | ERA | 12 | 2♥ | ♣5 | +1 | +0 |
| -2.2 | Round of 32 | ERA | 2 | 1NT | ♠10 | +3 | -2 |
| -2.6 | Round of 32 | ERA | 5 | 3♠ | ♦3 | = | +0 |
| -3.3 | Round of 32 | ERA | 11 | 3NT | ♦2 | -2 | -6 |
| -3.7 | Round of 32 | ERA | 1 | 5♦x | ♠10 | -2 | -4 |
| -4.7 | Round of 32 | ERA | 14 | 3NT | ♦J | -1 | -10 |
| -5.7 | Round of 32 | ERA | 13 | 3♥ | ♣A | -2 | -3 |
| -12.8 | Round of 32 | ERA | 4 | 6♠ | ♣K | = | +0 |