DAI Jianming · CHINA OPEN
vs par split: bidding +0.02 · play -0.05
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +0.13/bd
Card play — on target: opening leads 62.5% #412 of 476 · declarer play 57.9% #457 of 478 · defence 93.1% #55 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (8) | 75.0% (8) |
| Declarer play | 50.0% (10) | 66.7% (9) |
| Defence | 100.0% (10) | 89.5% (19) |
Opening leads by suit led: ♥ 57.1% (7) · ♦ 75.0% (4) · ♣ 60.0% (5)
vs par by strain: NT -0.62 (24) · a suit +0.36 (36)
vs par by level: part-score +0.74 (27) · game -0.38 (29) · slam -2.75 (4)
By role: declaring +0.10/bd (-0.94 vs par · 31) · defending -0.34/bd (+0.93 vs par · 29)
By vulnerability: vulnerable +0.38/bd (+0.36 vs par · 33) · not vulnerable -0.71/bd (-0.52 vs par · 27)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | H.Shi | J.Li – B.Zhang | Open | 10 | +11.5 | +1.15 | +0.80 |
| Round 4 | H.Shi | J.Stamatov – D.Danailov | Closed | 10 | +1.7 | +0.17 | +0.90 |
| Round 5 | H.Shi | J.Grue – B.Moss | Open | 10 | -26.2 | -2.62 | -1.10 |
| Round 6 | H.Shi | U.Kasimir – P.Jokisch | Open | 10 | +3.7 | +0.37 | +2.80 |
| Round 8 | H.Shi | H.Weinstein – A.Wildavsky | Closed | 10 | +1.8 | +0.18 | -2.00 |
| Round 10 | H.Shi | T.Grude – C.Bakke | Closed | 10 | +0.8 | +0.08 | -1.60 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 4 | SCHWARTZ | 15 | 5♠x | ♣6 | = | +15 |
| +12.1 | Round 8 | LILIENSTEIN | 3 | 3♥x | ♣K | -4 | +5 |
| +7.1 | Round 8 | LILIENSTEIN | 7 | 3NT | ♣Q | = | +0 |
| +7.1 | Round 10 | GILLIS | 23 | 5♦x | ♣K | -2 | +8 |
| +3.8 | Round 3 | GENSCRIPT | 2 | 4♠ | ♣A | -1 | +9 |
| +3.8 | Round 4 | SCHWARTZ | 11 | 4♠ | ♦K | = | +0 |
| +3.6 | Round 10 | GILLIS | 26 | 3NT | ♥10 | = | +0 |
| +3.3 | Round 6 | MUNICH SPURS | 8 | 2♣ | ♣2 | +1 | +5 |
| +3.3 | Round 6 | MUNICH SPURS | 10 | 3NT | ♣3 | -2 | +8 |
| +3.0 | Round 5 | FLEISHER | 28 | 3♥ | ♣J | = | +1 |
| +2.7 | Round 3 | GENSCRIPT | 4 | 3♦ | ♥A | -2 | +3 |
| +2.6 | Round 3 | GENSCRIPT | 8 | 2♣ | ♠K | = | +5 |
| +2.4 | Round 3 | GENSCRIPT | 6 | 3♣ | ♥3 | = | +0 |
| +2.2 | Round 6 | MUNICH SPURS | 6 | 4♠ | ♣A | -1 | +4 |
| +2.1 | Round 5 | FLEISHER | 27 | 1NT | ♦Q | = | +6 |
| +1.8 | Round 10 | GILLIS | 21 | 3NT | ♠2 | +1 | +1 |
| +1.7 | Round 6 | MUNICH SPURS | 9 | 2♥ | ♣9 | -1 | +4 |
| +1.2 | Round 4 | SCHWARTZ | 20 | 2♣ | ♦K | = | +5 |
| +1.2 | Round 8 | LILIENSTEIN | 2 | 1NT | ♥6 | +2 | -6 |
| +1.2 | Round 10 | GILLIS | 24 | 6NT | ♣A | = | +0 |
| +1.0 | Round 5 | FLEISHER | 26 | 2♠ | ♦K | +1 | +0 |
| +0.7 | Round 3 | GENSCRIPT | 3 | 1NT | ♥4 | -1 | -3 |
| +0.7 | Round 6 | MUNICH SPURS | 4 | 2♥ | ♦10 | -1 | +11 |
| +0.6 | Round 5 | FLEISHER | 25 | 3NT | ♥3 | +2 | +1 |
| +0.4 | Round 4 | SCHWARTZ | 16 | 1NT | ♥5 | -1 | +0 |
| +0.2 | Round 6 | MUNICH SPURS | 5 | 3♠ | ♥3 | -1 | +2 |
| +0.2 | Round 8 | LILIENSTEIN | 8 | 1♠ | ♠3 | +3 | -1 |
| +0.1 | Round 3 | GENSCRIPT | 7 | 3NT | ♠2 | +1 | +0 |
| +0.1 | Round 3 | GENSCRIPT | 10 | 4♥ | ♥J | -2 | -8 |
| -0.0 | Round 3 | GENSCRIPT | 5 | 3♦ | ♥3 | -1 | +2 |
| -0.0 | Round 3 | GENSCRIPT | 9 | 3NT | ♣9 | = | -1 |
| -0.0 | Round 5 | FLEISHER | 30 | 4♠ | ♣8 | = | +0 |
| -0.3 | Round 8 | LILIENSTEIN | 9 | 2♠ | ♣6 | +2 | -1 |
| -0.5 | Round 8 | LILIENSTEIN | 6 | 3NT | ♦7 | = | +0 |
| -0.5 | Round 10 | GILLIS | 29 | 3NT | ♥3 | +1 | +0 |
| -0.6 | Round 6 | MUNICH SPURS | 3 | 1NT | ♦K | = | +2 |
| -0.7 | Round 6 | MUNICH SPURS | 1 | 3NT | ♥10 | -1 | -4 |
| -0.7 | Round 6 | MUNICH SPURS | 7 | 4♣ | ♦A | = | +0 |
| -0.8 | Round 10 | GILLIS | 25 | 3NT | ♥J | +2 | +0 |
| -0.9 | Round 3 | GENSCRIPT | 1 | 1NT | ♣5 | = | +1 |
| -1.0 | Round 4 | SCHWARTZ | 18 | 3♥ | ♣6 | = | -1 |
| -1.6 | Round 10 | GILLIS | 28 | 2♠ | ♥A | = | +0 |
| -2.6 | Round 4 | SCHWARTZ | 12 | 3♣ | ♥5 | = | -5 |
| -2.7 | Round 4 | SCHWARTZ | 14 | 3NT | ♥5 | = | +0 |
| -2.7 | Round 4 | SCHWARTZ | 17 | 3NT | ♦K | +1 | +0 |
| -2.9 | Round 5 | FLEISHER | 24 | 6♥ | ♠9 | = | +0 |
| -3.0 | Round 4 | SCHWARTZ | 13 | 2♦ | ♥A | +2 | +0 |
| -3.1 | Round 8 | LILIENSTEIN | 4 | 4♥ | ♦5 | -1 | -6 |
| -3.1 | Round 10 | GILLIS | 22 | 2♥ | ♦10 | +3 | -10 |
| -3.1 | Round 10 | GILLIS | 27 | 4♥ | ♦Q | -1 | -10 |
| -3.3 | Round 8 | LILIENSTEIN | 5 | 4♠ | ♥A | +2 | -1 |
| -3.4 | Round 5 | FLEISHER | 22 | 3NT | ♥6 | -1 | -5 |
| -3.8 | Round 10 | GILLIS | 30 | 1NT | ♠8 | -2 | -5 |
| -4.0 | Round 4 | SCHWARTZ | 19 | 4♥ | ♠5 | -1 | -5 |
| -5.5 | Round 8 | LILIENSTEIN | 1 | 3NT | ♥3 | -1 | -5 |
| -5.7 | Round 5 | FLEISHER | 21 | 6♣ | ♥3 | = | +2 |
| -5.7 | Round 6 | MUNICH SPURS | 2 | 5♥ | ♠10 | = | -4 |
| -6.1 | Round 8 | LILIENSTEIN | 10 | 3NT | ♥2 | -3 | -5 |
| -8.5 | Round 5 | FLEISHER | 23 | 4♠ | ♦A | = | -3 |
| -12.4 | Round 5 | FLEISHER | 29 | 6♠ | ♥Q | -2 | -13 |