CHEN Jiun-Ming · CTBA
vs par split: bidding -0.30 · play -0.91
Strength of schedule: opponents averaged -0.54/bd (an easy draw) → opponent-adjusted +0.23/bd
Card play — on target: opening leads 78.6% #276 of 579 · declarer play 53.8% #524 of 579 · defence 84.6% #353 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (6) | 100.0% (8) |
| Declarer play | 80.0% (5) | 37.5% (8) |
| Defence | 88.9% (9) | 82.4% (17) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 71.4% (7) · ♦ 100.0% (4)
vs par by strain: NT -1.05 (21) · a suit -1.31 (35)
vs par by level: part-score -0.62 (24) · game -1.13 (30) · slam -9.50 (2)
By role: declaring +1.36/bd (-3.87 vs par · 30) · defending +0.09/bd (+1.85 vs par · 26)
By vulnerability: vulnerable +1.12/bd (-2.43 vs par · 28) · not vulnerable +0.42/bd (+0.00 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Lin | T.Hoftaniska – D.Bilde | Open | 7 | -15.1 | -2.16 | -4.00 |
| Round 2 | C.Lin | S.Sie – A.Kustrijanto | Closed | 7 | -6.9 | -0.99 | +1.00 |
| Round 3 | C.Lin | M.Ye – B.Cheng | Closed | 7 | +11.7 | +1.67 | -0.86 |
| Round 4 | C.Lin | H.Xue – Y.Dai | Closed | 7 | +2.4 | +0.34 | -4.71 |
| Round 5 | C.Lin | W.Ahmady – A.Hussein | Closed | 7 | +13.8 | +1.97 | +2.14 |
| Round 6 | C.Lin | Z.Ling – G.Miao | Closed | 7 | +20.5 | +2.93 | -0.29 |
| Round 7 | C.Lin | R.Chen – J.Huang | Closed | 7 | -2.4 | -0.34 | -1.71 |
| Round 8 | C.Lin | BANERJI TAPAS KUMAR – N.Banerji | Closed | 7 | +19.1 | +2.73 | -1.29 |
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 |
|---|---|---|---|---|---|---|---|
| +8.9 | Round 5 | HUSSEIN | 7 | 2NT | ♥5 | +1 | +10 |
| +6.9 | Round 3 | ZHONGFU | 21 | 5♠ | ♥J | +2 | +17 |
| +6.6 | Round 8 | WEINSTOCK | 22 | 3NT | ♣10 | = | -1 |
| +6.5 | Round 5 | HUSSEIN | 6 | 7♣ | ♣J | = | -2 |
| +6.1 | Round 6 | SHAOGUAN RENHUA | 12 | 3NT | ♥2 | = | -1 |
| +4.8 | Round 8 | WEINSTOCK | 23 | 1NT | ♠9 | = | +5 |
| +4.7 | Round 3 | ZHONGFU | 16 | 3NT | ♥8 | +3 | +11 |
| +4.0 | Round 6 | SHAOGUAN RENHUA | 14 | 5♠x | ♦A | -1 | +5 |
| +4.0 | Round 8 | WEINSTOCK | 24 | 5♠x | ♦K | -3 | +2 |
| +3.9 | Round 6 | SHAOGUAN RENHUA | 10 | 2NT | ♥7 | -3 | +4 |
| +3.5 | Round 2 | INDONESIA | 10 | 4♠ | ♦4 | = | +0 |
| +3.3 | Round 6 | SHAOGUAN RENHUA | 8 | 3NT | ♣J | +1 | +0 |
| +3.2 | Round 4 | BANK OF CHINA IN HAINAN | 27 | 5♣ | ♥7 | = | +0 |
| +3.0 | Round 3 | ZHONGFU | 20 | 3NT | ♥K | +1 | -12 |
| +2.9 | Round 3 | ZHONGFU | 19 | 3NT | ♦5 | +2 | -17 |
| +2.8 | Round 7 | GENTLE | 18 | 2NT | ♥5 | = | -1 |
| +2.2 | Round 1 | SILVERFOX | 7 | 5♣ | ♥6 | = | -1 |
| +2.1 | Round 4 | BANK OF CHINA IN HAINAN | 26 | 4♥ | ♠7 | +3 | -12 |
| +2.0 | Round 6 | SHAOGUAN RENHUA | 9 | 4♥ | ♦J | +1 | -12 |
| +2.0 | Round 8 | WEINSTOCK | 25 | 4♠x | ♦K | -3 | -3 |
| +2.0 | Round 8 | WEINSTOCK | 26 | 3NT | ♠3 | = | +0 |
| +1.9 | Round 5 | HUSSEIN | 3 | 3NT | ♠J | -2 | +6 |
| +1.8 | Round 5 | HUSSEIN | 1 | 3NT | ♥9 | = | +0 |
| +1.5 | Round 8 | WEINSTOCK | 27 | 3♠ | ♦10 | -1 | -2 |
| +1.1 | Round 2 | INDONESIA | 12 | 2♦ | ♦5 | +1 | -1 |
| +0.9 | Round 6 | SHAOGUAN RENHUA | 13 | 2♠ | ♥A | +1 | +0 |
| +0.8 | Round 4 | BANK OF CHINA IN HAINAN | 28 | 3NT | ♣3 | -1 | +6 |
| +0.6 | Round 5 | HUSSEIN | 2 | 3♥ | ♠10 | = | +0 |
| +0.6 | Round 7 | GENTLE | 17 | 2♠ | ♦5 | +1 | +0 |
| +0.3 | Round 6 | SHAOGUAN RENHUA | 11 | 3♦ | ♦10 | -1 | +2 |
| -0.0 | Round 4 | BANK OF CHINA IN HAINAN | 22 | 3♥ | ♦K | = | +0 |
| -0.3 | Round 2 | INDONESIA | 11 | 4♠ | ♥K | +1 | +10 |
| -0.3 | Round 7 | GENTLE | 20 | 4♠ | ♦8 | +2 | +13 |
| -0.4 | Round 5 | HUSSEIN | 5 | 2♥ | ♣K | +1 | +0 |
| -0.4 | Round 7 | GENTLE | 16 | 2♠x | ♦2 | -2 | -7 |
| -0.4 | Round 7 | GENTLE | 19 | 3♣ | ♥10 | = | +1 |
| -0.7 | Round 1 | SILVERFOX | 5 | 3♠ | ♥3 | +1 | -1 |
| -0.7 | Round 3 | ZHONGFU | 18 | 2♥ | ♥5 | = | +0 |
| -0.7 | Round 4 | BANK OF CHINA IN HAINAN | 24 | 5♦ | ♠4 | = | +2 |
| -0.8 | Round 1 | SILVERFOX | 3 | 3♠ | ♣9 | -2 | -2 |
| -1.0 | Round 4 | BANK OF CHINA IN HAINAN | 25 | 3NT | ♥K | +1 | -12 |
| -1.5 | Round 2 | INDONESIA | 8 | 2♠ | ♠3 | -1 | +2 |
| -1.8 | Round 8 | WEINSTOCK | 28 | 4♥ | ♣6 | -1 | -10 |
| -1.9 | Round 1 | SILVERFOX | 2 | 3NT | ♥4 | -2 | -6 |
| -2.0 | Round 2 | INDONESIA | 13 | 4♥ | ♣10 | +2 | -1 |
| -2.0 | Round 3 | ZHONGFU | 15 | 2♠ | ♦4 | = | +0 |
| -2.0 | Round 4 | BANK OF CHINA IN HAINAN | 23 | 6♣ | ♦10 | -1 | -17 |
| -2.0 | Round 7 | GENTLE | 21 | 4♠ | ♥5 | -1 | -5 |
| -2.2 | Round 2 | INDONESIA | 14 | 1NTx | ♣4 | -1 | +0 |
| -2.4 | Round 1 | SILVERFOX | 4 | 2♠ | ♥K | = | -6 |
| -2.7 | Round 7 | GENTLE | 15 | 3♠ | ♣K | = | -13 |
| -3.1 | Round 3 | ZHONGFU | 17 | 3♥ | ♠3 | -1 | -5 |
| -5.3 | Round 1 | SILVERFOX | 1 | 1NT | ♠5 | +1 | -1 |
| -5.5 | Round 2 | INDONESIA | 9 | 3NT | ♠4 | +3 | -3 |
| -5.5 | Round 5 | HUSSEIN | 4 | 3NT | ♥A | = | +1 |
| -6.2 | Round 1 | SILVERFOX | 6 | 3NT | ♦Q | = | -11 |