CHEN Yichao · LUCKY SEVEN
vs par split: bidding +0.79 · play -1.36
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.54/bd
Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 100.0% (2) |
| Declarer play | · | 50.0% (4) |
| Defence | 100.0% (2) | 100.0% (5) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 100.0% (1)
vs par by strain: NT +1.25 (4) · a suit -1.30 (10)
vs par by level: part-score -0.25 (4) · game +0.67 (9) · slam -13.00 (1)
By role: declaring -1.49/bd (-4.29 vs par · 7) · defending +0.64/bd (+3.14 vs par · 7)
By vulnerability: vulnerable -1.56/bd (-0.86 vs par · 7) · not vulnerable +0.71/bd (-0.29 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | X.Zhang | S.Brink – C.Rimstedt | Closed | 14 | -5.9 | -0.42 | -0.57 |
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 |
|---|---|---|---|---|---|---|---|
| +4.5 | Round of 32 | BRINK | 27 | 3NT | ♥5 | -1 | +5 |
| +3.6 | Round of 32 | BRINK | 17 | 3NT | ♥10 | = | +0 |
| +3.0 | Round of 32 | BRINK | 21 | 5♠ | ♥7 | +1 | +11 |
| +2.9 | Round of 32 | BRINK | 26 | 3NT | ♠6 | +2 | +0 |
| +1.0 | Round of 32 | BRINK | 22 | 4♥ | ♣Q | = | +0 |
| +0.0 | Round of 32 | BRINK | 18 | 4♠ | ♠2 | = | +0 |
| -0.0 | Round of 32 | BRINK | 19 | 3♣ | ♦4 | = | +0 |
| +0.0 | Round of 32 | BRINK | 28 | 3♥ | ♣A | +1 | +6 |
| -0.2 | Round of 32 | BRINK | 16 | 2♠ | ♣6 | +1 | +0 |
| -0.8 | Round of 32 | BRINK | 23 | 4♥ | ♦Q | +1 | +0 |
| -1.9 | Round of 32 | BRINK | 25 | 2♥ | ♦A | +2 | -7 |
| -2.0 | Round of 32 | BRINK | 24 | 3NT | ♠5 | +1 | +0 |
| -3.1 | Round of 32 | BRINK | 20 | 5♣ | ♥10 | +1 | -10 |
| -12.9 | Round of 32 | BRINK | 15 | 6♦x | ♠4 | -1 | -13 |