CHEN Zhi Hao · LUCKY SEVEN
vs par split: bidding -2.64 · play +1.50
Strength of schedule: opponents averaged +1.10/bd (a tough draw) → opponent-adjusted +0.10/bd
Card play — on target: opening leads 75.0% · declarer play 66.7% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (1) | 100.0% (3) |
| Declarer play | · | 66.7% (3) |
| Defence | 100.0% (2) | 100.0% (4) |
Opening leads by suit led: ♠ 0.0% (1) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT +2.00 (3) · a suit -2.00 (11)
vs par by level: part-score -2.00 (5) · game +0.71 (7) · slam -5.50 (2)
By role: declaring +0.23/bd (-1.88 vs par · 8) · defending -2.65/bd (-0.17 vs par · 6)
By vulnerability: vulnerable -1.76/bd (+0.00 vs par · 7) · not vulnerable -0.26/bd (-2.29 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | W.Wang | A.Gromov – V.Gromova | Open | 14 | -14.1 | -1.01 | -1.14 |
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 |
|---|---|---|---|---|---|---|---|
| +8.5 | Round of 32 | BRINK | 16 | 4♠ | ♣6 | = | +10 |
| +5.8 | Round of 32 | BRINK | 27 | 3NT | ♣5 | = | +7 |
| +5.1 | Round of 32 | BRINK | 22 | 2♠ | ♥5 | +2 | +6 |
| +2.0 | Round of 32 | BRINK | 24 | 4♠ | ♠6 | = | +0 |
| +1.0 | Round of 32 | BRINK | 25 | 2♥ | ♦A | +3 | +6 |
| -0.0 | Round of 32 | BRINK | 18 | 4♠ | ♠2 | = | +0 |
| -1.0 | Round of 32 | BRINK | 28 | 2♥ | ♣K | +1 | -7 |
| -1.3 | Round of 32 | BRINK | 15 | 6♥x | ♣A | -4 | -4 |
| -2.9 | Round of 32 | BRINK | 26 | 3NT | ♠2 | +2 | +0 |
| -3.0 | Round of 32 | BRINK | 21 | 4♠ | ♦7 | +2 | -11 |
| -4.3 | Round of 32 | BRINK | 17 | 3NT | ♠10 | +1 | -1 |
| -4.9 | Round of 32 | BRINK | 19 | 2♣x | ♣J | +1 | -5 |
| -9.2 | Round of 32 | BRINK | 23 | 3♥ | ♦Q | +2 | -10 |
| -9.9 | Round of 32 | BRINK | 20 | 6♣ | ♦A | = | -7 |