DONG Chunhui · JILINDINGYUAN
vs par split: bidding +1.64 · play +0.32
Strength of schedule: opponents averaged +0.37/bd (a tough draw) → opponent-adjusted +1.55/bd
Card play — on target: opening leads 90.0% · declarer play 80.0% · defence 83.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 85.7% (7) |
| Declarer play | 75.0% (4) | 83.3% (6) |
| Defence | 100.0% (4) | 75.0% (8) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 75.0% (4) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT +0.75 (12) · a suit +2.88 (16)
vs par by level: part-score -0.44 (9) · game +2.33 (18) · slam +17.00 (1)
By role: declaring +0.86/bd (-1.19 vs par · 16) · defending +1.61/bd (+6.17 vs par · 12)
By vulnerability: vulnerable +0.80/bd (+0.29 vs par · 14) · not vulnerable +1.56/bd (+3.64 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | W.He | C.Martel – M.Fleisher | Closed | 14 | +24.2 | +1.73 | +1.29 |
| Round of 32 | W.He | I.Delmonte – B.Moss | Closed | 14 | +8.9 | +0.64 | +2.64 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round of 32 | FLEISHER | 39 | 2♠x | ♦3 | = | +11 |
| +7.9 | Round of 32 | FLEISHER | 25 | 6♠ | ♣6 | -1 | +17 |
| +7.6 | Round of 32 | FLEISHER | 21 | 4♥ | ♦Q | -1 | +10 |
| +7.2 | Round of 32 | FLEISHER | 37 | 4♥ | ♠2 | -4 | +14 |
| +6.5 | Round of 32 | FLEISHER | 26 | 3NT | ♥K | = | +0 |
| +4.1 | Round of 32 | FLEISHER | 22 | 3NT | ♠4 | -1 | +6 |
| +3.4 | Round of 32 | FLEISHER | 28 | 2♥ | ♠5 | +3 | +6 |
| +3.3 | Round of 32 | FLEISHER | 20 | 4NT | ♠5 | +2 | +1 |
| +2.5 | Round of 32 | FLEISHER | 23 | 4♠ | ♦2 | = | +0 |
| +2.5 | Round of 32 | FLEISHER | 41 | 3NT | ♠3 | +3 | +1 |
| +2.2 | Round of 32 | FLEISHER | 35 | 3NT | ♥J | -1 | -1 |
| +1.9 | Round of 32 | FLEISHER | 30 | 4♠ | ♠Q | = | +3 |
| +1.6 | Round of 32 | FLEISHER | 42 | 2♠ | ♣K | +1 | +7 |
| +1.1 | Round of 32 | FLEISHER | 36 | 4♠x | ♠3 | -2 | +4 |
| +0.8 | Round of 32 | FLEISHER | 19 | 2♥ | ♠4 | +1 | +6 |
| +0.3 | Round of 32 | FLEISHER | 27 | 3NT | ♠3 | +1 | +0 |
| +0.1 | Round of 32 | FLEISHER | 16 | 4♥ | ♣J | = | +0 |
| +0.0 | Round of 32 | FLEISHER | 17 | 1NT | ♠5 | +1 | -7 |
| -0.3 | Round of 32 | FLEISHER | 33 | 2♠ | ♦A | = | -10 |
| -1.4 | Round of 32 | FLEISHER | 29 | 4NT | ♠10 | +1 | +11 |
| -1.4 | Round of 32 | FLEISHER | 34 | 1NT | ♣9 | -1 | -4 |
| -1.8 | Round of 32 | FLEISHER | 32 | 3NT | ♥10 | +3 | +13 |
| -2.1 | Round of 32 | FLEISHER | 38 | 2NT | ♣J | -1 | -5 |
| -3.0 | Round of 32 | FLEISHER | 24 | 4♣ | ♥K | -2 | -8 |
| -3.3 | Round of 32 | FLEISHER | 18 | 4♠ | ♥A | +1 | +0 |
| -5.2 | Round of 32 | FLEISHER | 31 | 3NTx | ♣4 | -1 | -6 |
| -5.2 | Round of 32 | FLEISHER | 40 | 4♠ | ♥10 | +1 | -1 |
| -6.0 | Round of 32 | FLEISHER | 15 | 4♥ | ♣Q | -1 | -13 |