DAI Jianming · CHINA OPEN
vs par split: bidding -0.45 · play +0.29
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -0.46/bd
Card play — on target: opening leads 90.0% · declarer play 91.7% · defence 90.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 90.0% (10) |
| Declarer play | 50.0% (2) | 100.0% (10) |
| Defence | 50.0% (2) | 94.4% (18) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 66.7% (3) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -0.60 (5) · a suit -0.11 (37)
vs par by level: part-score +1.27 (22) · game -0.35 (17) · slam -9.67 (3)
By role: declaring +0.94/bd (-0.86 vs par · 22) · defending -2.02/bd (+0.60 vs par · 20)
By vulnerability: vulnerable -1.25/bd (-0.43 vs par · 21) · not vulnerable +0.31/bd (+0.10 vs par · 21)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | H.Shi | A.Robson – A.Allfrey | Closed | 14 | +3.0 | +0.21 | +1.14 |
| Round of 64 | H.Shi | A.Robson – A.Allfrey | Closed | 14 | +0.4 | +0.03 | +0.14 |
| Round of 64 | H.Shi | T.Paske – E.Jones | Open | 14 | -23.0 | -1.64 | -1.79 |
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 |
|---|---|---|---|---|---|---|---|
| +9.9 | Round of 64 | ALLFREY | 13 | 4♠ | ♦A | = | +0 |
| +4.7 | Round of 64 | ALLFREY | 31 | 5♦ | ♦6 | = | +0 |
| +4.4 | Round of 64 | ALLFREY | 49 | 3♥ | ♠A | = | +11 |
| +4.2 | Round of 64 | ALLFREY | 32 | 4♦ | ♥A | = | +7 |
| +4.0 | Round of 64 | ALLFREY | 8 | 6♦ | ♦9 | = | -11 |
| +3.6 | Round of 64 | ALLFREY | 42 | 2♠ | ♥9 | -1 | +5 |
| +3.2 | Round of 64 | ALLFREY | 11 | 3♠ | ♥10 | -1 | +5 |
| +2.9 | Round of 64 | ALLFREY | 4 | 4♣ | ♦Q | = | +0 |
| +2.4 | Round of 64 | ALLFREY | 50 | 2♥ | ♠5 | +1 | +6 |
| +2.3 | Round of 64 | ALLFREY | 36 | 3♣ | ♣3 | -2 | +5 |
| +2.0 | Round of 64 | ALLFREY | 55 | 2♠ | ♥2 | +3 | -6 |
| +1.8 | Round of 64 | ALLFREY | 37 | 3♥ | ♠7 | -1 | +4 |
| +1.3 | Round of 64 | ALLFREY | 3 | 2♥ | ♥8 | = | +0 |
| +0.4 | Round of 64 | ALLFREY | 9 | 3NT | ♠5 | +2 | +1 |
| +0.3 | Round of 64 | ALLFREY | 44 | 4♥ | ♦3 | = | -3 |
| +0.2 | Round of 64 | ALLFREY | 29 | 4♠ | ♥K | = | +0 |
| +0.2 | Round of 64 | ALLFREY | 53 | 3NT | ♠3 | +1 | +0 |
| +0.1 | Round of 64 | ALLFREY | 38 | 4♥ | ♣J | +1 | +0 |
| -0.1 | Round of 64 | ALLFREY | 14 | 4♠ | ♥K | +1 | +0 |
| -0.1 | Round of 64 | ALLFREY | 30 | 4♠ | ♥K | = | +0 |
| -0.2 | Round of 64 | ALLFREY | 2 | 4♥ | ♣K | -1 | +2 |
| -0.2 | Round of 64 | ALLFREY | 5 | 2♠ | ♣9 | -1 | +1 |
| -0.2 | Round of 64 | ALLFREY | 41 | 2♠ | ♣6 | +1 | +0 |
| -0.5 | Round of 64 | ALLFREY | 12 | 4♦ | ♠3 | +1 | +10 |
| -0.7 | Round of 64 | ALLFREY | 52 | 4♠ | ♥2 | +1 | +0 |
| -0.8 | Round of 64 | ALLFREY | 43 | 3♦ | ♠10 | +1 | -5 |
| -0.8 | Round of 64 | ALLFREY | 45 | 1NT | ♥Q | = | -2 |
| -0.8 | Round of 64 | ALLFREY | 46 | 2♠ | ♦3 | -1 | -3 |
| -0.9 | Round of 64 | ALLFREY | 40 | 4♠ | ♣8 | +2 | -11 |
| -1.2 | Round of 64 | ALLFREY | 47 | 1♠ | ♠8 | = | -1 |
| -1.7 | Round of 64 | ALLFREY | 10 | 5♥ | ♠K | +1 | +12 |
| -1.8 | Round of 64 | ALLFREY | 1 | 2♠ | ♦Q | -1 | +2 |
| -1.8 | Round of 64 | ALLFREY | 35 | 2♠ | ♥7 | = | -6 |
| -1.8 | Round of 64 | ALLFREY | 56 | 3NT | ♣J | +1 | -1 |
| -2.3 | Round of 64 | ALLFREY | 33 | 3♣ | ♠3 | = | +0 |
| -2.8 | Round of 64 | ALLFREY | 39 | 3♥ | ♠5 | = | +0 |
| -3.4 | Round of 64 | ALLFREY | 51 | 4♠ | ♠6 | = | -3 |
| -5.9 | Round of 64 | ALLFREY | 6 | 2♦x | ♦K | +1 | -5 |
| -8.3 | Round of 64 | ALLFREY | 7 | 3NT | ♣2 | +1 | -1 |
| -8.4 | Round of 64 | ALLFREY | 34 | 4♠ | ♥4 | +2 | -2 |
| -8.8 | Round of 64 | ALLFREY | 54 | 6♠ | ♣Q | -1 | -13 |
| -14.0 | Round of 64 | ALLFREY | 48 | 6♣x | ♠5 | = | -5 |