DONG Chunhui · CHINA OPEN TEAM 1
vs par split: bidding -0.06 · play +0.86
Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted +0.79/bd
Card play — on target: opening leads 71.4% #453 of 675 · declarer play 80.8% #218 of 675 · defence 100.0% #1 of 675
Bidding activity — not a pass: 45.2% #227 of 675 (100/221)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 78.6% (14) |
| Declarer play | 75.0% (4) | 81.8% (22) |
| Defence | 100.0% (15) | 100.0% (27) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 83.3% (6) · ♦ 60.0% (5) · ♣ 71.4% (7)
vs par by strain: NT +1.92 (26) · a suit +0.29 (58)
vs par by level: part-score +1.83 (29) · game +0.04 (49) · slam +2.00 (6)
By role: declaring -0.54/bd (-3.07 vs par · 42) · defending +1.89/bd (+4.67 vs par · 42)
By vulnerability: vulnerable +0.59/bd (+0.76 vs par · 42) · not vulnerable +0.76/bd (+0.83 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | G.Shen | K.Jin – P.Zhu | Open | 14 | +7.0 | +0.50 | +1.79 |
| Round 3 | G.Shen | A.Bhattacharjee – S.Maskara | Closed | 14 | +29.3 | +2.09 | +1.93 |
| Round 4 | G.Shen | M.Klukowski – J.Kalita | Closed | 14 | +18.0 | +1.29 | +0.86 |
| Round 5 | G.Shen | J.Lesniczak – V.Valchev | Open | 14 | +10.9 | +0.78 | +2.36 |
| Round 7 | G.Shen | K.Mak – W.Lai | Open | 14 | +22.1 | +1.58 | +1.64 |
| Round 8 | G.Shen | B.Nab – V.Kiljan | Open | 14 | -30.5 | -2.18 | -3.79 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round 3 | MAVERICKS | 7 | 4♥x | ♣2 | -3 | +13 |
| +10.7 | Round 7 | HOBRA | 6 | 2♠x | ♦A | -3 | +12 |
| +9.2 | Round 3 | MAVERICKS | 1 | 2♦x | ♣2 | -4 | +9 |
| +8.8 | Round 1 | SHANGHAI BRIDGE | 6 | 3NTx | ♠J | -1 | +7 |
| +8.8 | Round 3 | MAVERICKS | 2 | 3NT | ♦5 | = | +3 |
| +8.4 | Round 4 | ZIMMERMANN | 23 | 3NT | ♦J | = | +0 |
| +8.0 | Round 1 | SHANGHAI BRIDGE | 3 | 3NT | ♣5 | -2 | +8 |
| +7.3 | Round 5 | PKB INTERNATIONAL | 9 | 4♥ | ♠7 | -5 | +8 |
| +7.3 | Round 7 | HOBRA | 10 | 3♥ | ♣J | -1 | +12 |
| +6.3 | Round 5 | PKB INTERNATIONAL | 8 | 4♥ | ♠Q | = | +7 |
| +6.2 | Round 1 | SHANGHAI BRIDGE | 1 | 3NTx | ♠8 | -2 | +9 |
| +6.0 | Round 4 | ZIMMERMANN | 17 | 6NT | ♥3 | -1 | +11 |
| +5.7 | Round 4 | ZIMMERMANN | 22 | 3NT | ♠K | -3 | +5 |
| +5.7 | Round 7 | HOBRA | 7 | 4♥ | ♠K | = | -1 |
| +5.6 | Round 5 | PKB INTERNATIONAL | 2 | 3NT | ♣Q | -1 | +10 |
| +4.3 | Round 7 | HOBRA | 13 | 4♣ | ♥A | -1 | +1 |
| +4.0 | Round 3 | MAVERICKS | 4 | 4♥ | ♠A | -1 | +6 |
| +3.9 | Round 3 | MAVERICKS | 10 | 2♥ | ♠A | -4 | -5 |
| +3.8 | Round 4 | ZIMMERMANN | 25 | 3♠ | ♠5 | +2 | +2 |
| +3.7 | Round 3 | MAVERICKS | 13 | 3♥ | ♥6 | = | +1 |
| +3.7 | Round 4 | ZIMMERMANN | 20 | 2♥ | ♦Q | -3 | +5 |
| +3.6 | Round 5 | PKB INTERNATIONAL | 5 | 4♥x | ♣Q | -1 | +0 |
| +3.6 | Round 7 | HOBRA | 9 | 3NT | ♥7 | -2 | +7 |
| +3.3 | Round 5 | PKB INTERNATIONAL | 12 | 3NT | ♥6 | -1 | +10 |
| +3.0 | Round 1 | SHANGHAI BRIDGE | 9 | 3♥ | ♦3 | +1 | +8 |
| +2.9 | Round 7 | HOBRA | 12 | 3NT | ♥5 | +1 | +0 |
| +2.4 | Round 4 | ZIMMERMANN | 21 | 3♣ | ♦4 | -2 | +5 |
| +2.4 | Round 8 | TEAMNL OPEN | 26 | 3NT | ♠K | +1 | -1 |
| +2.3 | Round 4 | ZIMMERMANN | 28 | 4♠ | ♥J | = | +1 |
| +1.9 | Round 3 | MAVERICKS | 6 | 3♠ | ♦K | +1 | +4 |
| +1.9 | Round 8 | TEAMNL OPEN | 18 | 2NT | ♣T | -1 | +4 |
| +1.8 | Round 3 | MAVERICKS | 12 | 3♦ | ♣6 | -2 | +5 |
| +1.7 | Round 5 | PKB INTERNATIONAL | 11 | 3NT | ♥5 | = | +0 |
| +1.5 | Round 5 | PKB INTERNATIONAL | 7 | 3NT | ♥8 | +3 | +13 |
| +1.4 | Round 3 | MAVERICKS | 14 | 4♥ | ♦A | = | +3 |
| +1.4 | Round 8 | TEAMNL OPEN | 25 | 2♥ | ♦9 | = | +0 |
| +1.0 | Round 8 | TEAMNL OPEN | 24 | 4♥ | ♦3 | +1 | +0 |
| +0.7 | Round 5 | PKB INTERNATIONAL | 10 | 1NT | ♥J | = | +5 |
| +0.7 | Round 5 | PKB INTERNATIONAL | 13 | 3♠ | ♥6 | +1 | +1 |
| +0.7 | Round 7 | HOBRA | 5 | 2♠ | ♦K | = | +1 |
| +0.7 | Round 8 | TEAMNL OPEN | 17 | 5♠ | ♣T | = | -8 |
| +0.6 | Round 5 | PKB INTERNATIONAL | 3 | 4♥ | ♦Q | +1 | +0 |
| +0.5 | Round 5 | PKB INTERNATIONAL | 1 | 3NT | ♣J | = | -1 |
| +0.2 | Round 7 | HOBRA | 1 | 4♠ | ♥7 | +1 | +0 |
| +0.2 | Round 8 | TEAMNL OPEN | 23 | 3♠ | ♣J | +1 | +1 |
| +0.1 | Round 7 | HOBRA | 2 | 5♣ | ♥J | = | +11 |
| -0.0 | Round 3 | MAVERICKS | 11 | 6♣ | ♥5 | +1 | +11 |
| +0.0 | Round 4 | ZIMMERMANN | 18 | 5♠ | ♣T | +2 | -12 |
| -0.2 | Round 3 | MAVERICKS | 3 | 4♥ | ♦K | +1 | -11 |
| -0.2 | Round 4 | ZIMMERMANN | 19 | 2♠ | ♥6 | +1 | +10 |
| -0.5 | Round 1 | SHANGHAI BRIDGE | 8 | 3♥ | ♦8 | -1 | +3 |
| -0.8 | Round 4 | ZIMMERMANN | 27 | 3NT | ♠J | = | +0 |
| -0.8 | Round 8 | TEAMNL OPEN | 16 | 4♥ | ♣K | +2 | -11 |
| -1.0 | Round 1 | SHANGHAI BRIDGE | 10 | 3♥ | ♦J | = | -10 |
| -1.0 | Round 1 | SHANGHAI BRIDGE | 11 | 4♠ | ♣J | = | +1 |
| -1.0 | Round 4 | ZIMMERMANN | 15 | 3NT | ♠J | = | +1 |
| -1.2 | Round 1 | SHANGHAI BRIDGE | 4 | 6♠ | ♥7 | = | +13 |
| -1.2 | Round 7 | HOBRA | 3 | 4♠ | ♦J | -1 | +2 |
| -1.6 | Round 1 | SHANGHAI BRIDGE | 5 | 3♠ | ♠2 | -2 | -2 |
| -1.8 | Round 3 | MAVERICKS | 8 | 4♠x | ♦6 | -1 | +0 |
| -1.9 | Round 1 | SHANGHAI BRIDGE | 12 | 4♥ | ♦K | = | +0 |
| -1.9 | Round 7 | HOBRA | 14 | 4♥ | ♠Q | = | +1 |
| -2.1 | Round 1 | SHANGHAI BRIDGE | 2 | 2♠ | ♣3 | -2 | -11 |
| -2.1 | Round 8 | TEAMNL OPEN | 22 | 4♠ | ♦T | = | +0 |
| -2.2 | Round 1 | SHANGHAI BRIDGE | 7 | 3♣ | ♣J | -2 | +9 |
| -2.5 | Round 1 | SHANGHAI BRIDGE | 14 | 2♠ | ♦6 | = | +0 |
| -2.5 | Round 4 | ZIMMERMANN | 24 | 4♠ | ♥6 | -1 | -10 |
| -2.8 | Round 8 | TEAMNL OPEN | 15 | 2NTx | ♦4 | -1 | -3 |
| -2.9 | Round 8 | TEAMNL OPEN | 19 | 5♦ | ♥A | -1 | -5 |
| -3.1 | Round 7 | HOBRA | 11 | 5♣ | ♥K | -1 | -5 |
| -3.4 | Round 7 | HOBRA | 4 | 4♠ | ♣A | -1 | -12 |
| -3.8 | Round 7 | HOBRA | 8 | 4♠ | ♥2 | -2 | -6 |
| -4.2 | Round 4 | ZIMMERMANN | 16 | 1NT | ♣3 | +4 | -6 |
| -4.5 | Round 8 | TEAMNL OPEN | 27 | 5♣ | ♥3 | -2 | -9 |
| -5.0 | Round 1 | SHANGHAI BRIDGE | 13 | 3NT | ♠T | = | -10 |
| -5.6 | Round 4 | ZIMMERMANN | 26 | 3NT | ♥3 | = | +0 |
| -6.1 | Round 5 | PKB INTERNATIONAL | 4 | 3NT | ♦A | = | +1 |
| -6.7 | Round 8 | TEAMNL OPEN | 21 | 3♠ | ♥4 | +1 | -8 |
| -7.0 | Round 5 | PKB INTERNATIONAL | 14 | 6♣ | ♥5 | -1 | -10 |
| -7.3 | Round 8 | TEAMNL OPEN | 28 | 7♠ | ♣9 | = | +0 |
| -7.4 | Round 3 | MAVERICKS | 9 | 4♦ | ♣Q | = | +0 |
| -7.8 | Round 5 | PKB INTERNATIONAL | 6 | 3NT | ♣K | -1 | -11 |
| -9.0 | Round 3 | MAVERICKS | 5 | 3NT | ♣2 | -1 | -12 |
| -11.0 | Round 8 | TEAMNL OPEN | 20 | 6♠ | ♣T | -2 | -13 |