SUN Ming · YEH MIX
vs par split: bidding +1.04 · play +1.31
Strength of schedule: opponents averaged -0.58/bd (an easy draw) → opponent-adjusted +0.47/bd
Card play — on target: opening leads 90.9% #72 of 398 · declarer play 80.0% #110 of 398 · defence 85.2% #201 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 100.0% (9) |
| Declarer play | 80.0% (5) | 80.0% (5) |
| Defence | 100.0% (4) | 82.6% (23) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (3) · ♦ 100.0% (1) · ♣ 100.0% (5)
vs par by strain: NT +0.29 (14) · a suit +3.17 (35)
vs par by level: part-score +2.12 (17) · game +2.13 (30) · slam +7.50 (2)
By role: declaring +0.33/bd (-1.00 vs par · 22) · defending +1.63/bd (+5.07 vs par · 27)
By vulnerability: vulnerable +1.58/bd (+3.00 vs par · 25) · not vulnerable +0.49/bd (+1.67 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Chen | R.Xu – Z.Chen | Closed | 7 | -9.1 | -1.30 | +0.00 |
| Round 3 | D.Chen | J.Dai – Y.Zhang | Open | 7 | +8.5 | +1.21 | +0.43 |
| Round 4 | D.Chen | H.Tian – H.Zhao | Closed | 7 | +16.5 | +2.36 | +3.14 |
| Round 5 | D.Chen | J.Ding – B.Han | Open | 7 | +18.9 | +2.70 | +2.86 |
| Round 6 | D.Chen | J.Shi – Y.Du | Open | 7 | +23.1 | +3.30 | +5.43 |
| Round 7 | D.Chen | V.Chinmanas – V.Svangsopakul | Open | 7 | +13.9 | +1.99 | +5.71 |
| Round 8 | D.Chen | Z.Shi – Y.Huang | Closed | 7 | -20.4 | -2.91 | -1.14 |
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 |
|---|---|---|---|---|---|---|---|
| +13.4 | Round 6 | BEIJING CENTURY WEIDA | 14 | 5NTx | ♠Q | -4 | +15 |
| +10.9 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 4 | 4♠ | ♥J | -2 | +13 |
| +8.5 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 23 | 6♠ | ♦3 | -2 | +17 |
| +8.1 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 22 | 6♦ | ♥J | = | -2 |
| +5.1 | Round 3 | GEELY AUTOMOBILE | 18 | 3NT | ♦A | = | +0 |
| +5.0 | Round 6 | BEIJING CENTURY WEIDA | 12 | 5♥ | ♠4 | +1 | +12 |
| +4.6 | Round 3 | GEELY AUTOMOBILE | 16 | 1NTx | ♠9 | +1 | +6 |
| +4.6 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 6 | 2♠ | ♦K | +2 | +7 |
| +4.2 | Round 7 | THAILAND | 21 | 3♠ | ♥A | -1 | +6 |
| +4.0 | Round 7 | THAILAND | 19 | 4♠ | ♠3 | -3 | +6 |
| +3.4 | Round 6 | BEIJING CENTURY WEIDA | 11 | 4♠ | ♣3 | +3 | +10 |
| +3.0 | Round 7 | THAILAND | 16 | 3♣ | ♠Q | -4 | +2 |
| +3.0 | Round 7 | THAILAND | 18 | 5♠ | ♣K | +2 | +17 |
| +2.8 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 3 | 2♠ | ♣2 | = | +8 |
| +2.2 | Round 7 | THAILAND | 20 | 2♠ | ♦J | = | +0 |
| +2.0 | Round 1 | XBA | 3 | 3NT | ♥3 | = | +3 |
| +1.9 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 24 | 4♥ | ♦J | = | -1 |
| +1.7 | Round 6 | BEIJING CENTURY WEIDA | 8 | 4♥ | ♣6 | -1 | +10 |
| +1.7 | Round 8 | PAN-CHINA | 26 | 3♥ | ♦Q | = | +6 |
| +1.5 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 1 | 5♦ | ♠A | = | -3 |
| +1.3 | Round 3 | GEELY AUTOMOBILE | 17 | 3NT | ♣A | -2 | +6 |
| +1.0 | Round 3 | GEELY AUTOMOBILE | 21 | 5♠ | ♦2 | = | +0 |
| +0.7 | Round 1 | XBA | 2 | 4♥ | ♠5 | +2 | +1 |
| +0.6 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 5 | 2NT | ♦6 | +1 | +0 |
| +0.4 | Round 1 | XBA | 4 | 1NT | ♥K | = | +11 |
| +0.4 | Round 3 | GEELY AUTOMOBILE | 20 | 3NT | ♠8 | +1 | -1 |
| +0.3 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 26 | 2♠ | ♣K | +2 | +10 |
| +0.3 | Round 6 | BEIJING CENTURY WEIDA | 9 | 4♥ | ♣10 | +1 | +0 |
| +0.1 | Round 3 | GEELY AUTOMOBILE | 19 | 4♥ | ♦3 | +1 | +0 |
| +0.1 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 2 | 4♥ | ♠J | +1 | +0 |
| +0.1 | Round 8 | PAN-CHINA | 28 | 4♥ | ♠3 | -2 | +1 |
| -0.1 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 25 | 3NT | ♠4 | = | +0 |
| -0.1 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 28 | 3♠ | ♦K | -1 | -1 |
| -0.1 | Round 6 | BEIJING CENTURY WEIDA | 10 | 4♥ | ♥3 | = | +1 |
| -0.6 | Round 6 | BEIJING CENTURY WEIDA | 13 | 1NT | ♥K | +2 | -10 |
| -0.6 | Round 7 | THAILAND | 17 | 5♦ | ♠4 | = | +11 |
| -1.3 | Round 1 | XBA | 7 | 4♥ | ♦J | = | +1 |
| -1.6 | Round 5 | THE LOCOMOTIVE SPORTS ASSOCIAT | 7 | 2♠ | ♦Q | -1 | -5 |
| -1.7 | Round 8 | PAN-CHINA | 23 | 4♠ | ♣A | -1 | +9 |
| -1.9 | Round 7 | THAILAND | 15 | 3♣ | ♥2 | +3 | -2 |
| -2.1 | Round 1 | XBA | 5 | 3NT | ♠Q | -2 | -5 |
| -2.1 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 27 | 4♣ | ♦K | = | -1 |
| -2.3 | Round 8 | PAN-CHINA | 22 | 1NT | ♠7 | -1 | +0 |
| -3.1 | Round 1 | XBA | 6 | 3♦ | ♣J | +2 | -1 |
| -3.5 | Round 8 | PAN-CHINA | 25 | 4♠ | ♥5 | -1 | -6 |
| -4.0 | Round 3 | GEELY AUTOMOBILE | 15 | 4♥ | ♣A | = | -8 |
| -5.7 | Round 1 | XBA | 1 | 3NT | ♠4 | -1 | -10 |
| -5.7 | Round 8 | PAN-CHINA | 27 | 4♠ | ♥3 | = | -7 |
| -9.0 | Round 8 | PAN-CHINA | 24 | 3NT | ♣K | -1 | -11 |