DONG Chunhui · JILINDINGYUAN
vs par split: bidding +1.03 · play -0.14
Strength of schedule: opponents averaged -0.50/bd (an easy draw) → opponent-adjusted +0.39/bd
Card play — on target: opening leads 75.0% #317 of 579 · declarer play 77.8% #206 of 579 · defence 100.0% #1 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (2) | 100.0% (6) |
| Declarer play | 66.7% (3) | 83.3% (6) |
| Defence | 100.0% (8) | 100.0% (11) |
Opening leads by suit led: ♠ 50.0% (4) · ♥ 100.0% (2) · ♣ 100.0% (2)
vs par by strain: NT -0.67 (15) · a suit +2.05 (20)
vs par by level: part-score +1.69 (16) · game +0.60 (15) · slam -1.25 (4)
By role: declaring +1.09/bd (-2.31 vs par · 16) · defending +0.72/bd (+3.58 vs par · 19)
By vulnerability: vulnerable -0.03/bd (-2.56 vs par · 18) · not vulnerable +1.87/bd (+4.53 vs par · 17)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.He | T.Asbi – R.Tobing | Open | 7 | +5.6 | +0.80 | -1.14 |
| Round 3 | W.He | S.Sun – M.Kang | Closed | 7 | -2.1 | -0.30 | +0.14 |
| Round 4 | W.He | N.Abedi – E.Aksuyek | Open | 7 | +2.1 | +0.30 | -4.86 |
| Round 6 | W.He | H.Zhu – Y.Lin | Open | 7 | +9.7 | +1.39 | +4.43 |
| Round 8 | W.He | H.Xue – K.Cai | Closed | 7 | +15.9 | +2.27 | +5.86 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 8 | BANK OF CHINA IN HAINAN | 25 | 6♦ | ♠A | -1 | +12 |
| +6.6 | Round 3 | CHINA OPN(B) | 20 | 2♥ | ♦4 | -2 | +15 |
| +5.8 | Round 8 | BANK OF CHINA IN HAINAN | 22 | 6♠ | ♣Q | -2 | +13 |
| +5.7 | Round 8 | BANK OF CHINA IN HAINAN | 24 | 4♠ | ♣9 | -2 | +8 |
| +5.4 | Round 6 | DALIAN | 10 | 3♠x | ♦K | -1 | +8 |
| +5.0 | Round 1 | PERTAMINA EP | 4 | 1NT | ♣9 | -2 | +2 |
| +4.7 | Round 6 | DALIAN | 9 | 3NT | ♦A | -7 | +14 |
| +4.5 | Round 3 | CHINA OPN(B) | 21 | 6♠ | ♥J | = | -13 |
| +4.2 | Round 6 | DALIAN | 14 | 5♥ | ♠A | = | +4 |
| +3.2 | Round 4 | BILAL | 27 | 5♣ | ♥5 | = | +0 |
| +3.0 | Round 6 | DALIAN | 8 | 2♦ | ♣A | -3 | +7 |
| +2.6 | Round 8 | BANK OF CHINA IN HAINAN | 23 | 1NT | ♠9 | -2 | +3 |
| +2.2 | Round 1 | PERTAMINA EP | 7 | 5♣ | ♥6 | = | -1 |
| +2.2 | Round 8 | BANK OF CHINA IN HAINAN | 27 | 4♣ | ♥10 | -2 | +5 |
| +1.7 | Round 1 | PERTAMINA EP | 1 | 3♦ | ♠A | -3 | +6 |
| +1.2 | Round 1 | PERTAMINA EP | 5 | 2♠ | ♥3 | = | +1 |
| +1.2 | Round 6 | DALIAN | 11 | 3♠x | ♣6 | -1 | -1 |
| +0.9 | Round 4 | BILAL | 25 | 3NT | ♣4 | +3 | -12 |
| +0.8 | Round 4 | BILAL | 28 | 3NT | ♣4 | -1 | +6 |
| +0.4 | Round 1 | PERTAMINA EP | 6 | 3♣ | ♥A | = | -5 |
| -0.0 | Round 4 | BILAL | 22 | 2♥ | ♥8 | +1 | +0 |
| -0.1 | Round 4 | BILAL | 26 | 5♦ | ♣Q | +1 | -13 |
| -0.7 | Round 4 | BILAL | 24 | 3NT | ♠5 | = | +2 |
| -1.2 | Round 3 | CHINA OPN(B) | 18 | 2NT | ♣6 | -1 | -2 |
| -1.9 | Round 1 | PERTAMINA EP | 2 | 3NT | ♥5 | -2 | -6 |
| -2.0 | Round 3 | CHINA OPN(B) | 19 | 3NT | ♦5 | +1 | +17 |
| -2.0 | Round 4 | BILAL | 23 | 6NT | ♦4 | -1 | -17 |
| -2.0 | Round 8 | BANK OF CHINA IN HAINAN | 26 | 3NT | ♠3 | = | +0 |
| -2.2 | Round 3 | CHINA OPN(B) | 17 | 3♥ | ♦A | = | +0 |
| -2.7 | Round 6 | DALIAN | 13 | 1NT | ♠A | -2 | -2 |
| -3.0 | Round 1 | PERTAMINA EP | 3 | 2NT | ♣Q | -3 | -5 |
| -3.1 | Round 3 | CHINA OPN(B) | 15 | 2♠ | ♣K | -1 | -5 |
| -4.7 | Round 3 | CHINA OPN(B) | 16 | 3NT | ♥5 | +3 | -11 |
| -6.1 | Round 6 | DALIAN | 12 | 3NT | ♠2 | = | +1 |
| -8.0 | Round 8 | BANK OF CHINA IN HAINAN | 28 | 4♥ | ♠4 | = | +0 |