CHEN Jingdong · CHANGYU
vs par split: bidding -1.43 · play +0.00
Strength of schedule: opponents averaged -0.51/bd (an easy draw) → opponent-adjusted -1.38/bd
Card play — on target: opening leads 75.0% #156 of 277 · declarer play 66.7% #213 of 277 · defence 72.7% #234 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 50.0% (2) |
| Declarer play | 0.0% (1) | 80.0% (5) |
| Defence | 62.5% (8) | 100.0% (3) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (1) · ♦ 75.0% (4) · ♣ 100.0% (1)
vs par by strain: NT -3.09 (11) · a suit -0.35 (17)
vs par by level: part-score -1.30 (10) · game -2.07 (15) · slam +1.33 (3)
By role: declaring -0.04/bd (-2.35 vs par · 17) · defending -2.16/bd (+0.00 vs par · 11)
By vulnerability: vulnerable -1.46/bd (-3.86 vs par · 14) · not vulnerable -0.29/bd (+1.00 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Wang | J.Kang – Y.Yang | Closed | 7 | -26.6 | -3.80 | -3.71 |
| Round 2 | Y.Wang | L.Wang – Y.Gu | Closed | 7 | -2.1 | -0.30 | -2.14 |
| Round 4 | Y.Wang | H.Liu – L.Gao | Open | 7 | +3.6 | +0.51 | +1.43 |
| Round 5 | Y.Wang | L.Shen – X.Wang | Closed | 7 | +0.7 | +0.10 | -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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 4 | BEIJIING TAILI KANGXIN | 27 | 6♠ | ♦4 | -3 | +15 |
| +5.8 | Round 4 | BEIJIING TAILI KANGXIN | 28 | 3NT | ♣4 | = | +3 |
| +5.1 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 2 | 2♥ | ♦9 | = | +6 |
| +4.7 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 7 | 6♥ | ♠A | = | +0 |
| +4.5 | Round 2 | QIANWEI | 10 | 4♥ | ♠K | +1 | +4 |
| +4.0 | Round 2 | QIANWEI | 9 | 4♠ | ♠9 | -1 | +6 |
| +2.4 | Round 2 | QIANWEI | 14 | 2♠ | ♦J | +1 | +1 |
| +1.6 | Round 4 | BEIJIING TAILI KANGXIN | 26 | 3♥ | ♠5 | = | +1 |
| +1.6 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 1 | 4♥ | ♠K | +2 | +1 |
| +0.7 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 6 | 6NT | ♣5 | = | -11 |
| +0.2 | Round 4 | BEIJIING TAILI KANGXIN | 25 | 3NT | ♦4 | = | +0 |
| -0.2 | Round 2 | QIANWEI | 11 | 2♠ | ♦2 | +1 | +1 |
| -0.4 | Round 4 | BEIJIING TAILI KANGXIN | 24 | 1♥ | ♥6 | -1 | +2 |
| -0.7 | Round 1 | BEIJING SHARE SUN | 3 | 2♠ | ♣K | -1 | +3 |
| -0.7 | Round 1 | BEIJING SHARE SUN | 5 | 3♥ | ♠K | = | +0 |
| -1.4 | Round 1 | BEIJING SHARE SUN | 2 | 2♥ | ♣J | +3 | -10 |
| -1.8 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 3 | 3NT | ♦J | = | +0 |
| -2.5 | Round 1 | BEIJING SHARE SUN | 1 | 3NT | ♦10 | = | +1 |
| -3.0 | Round 2 | QIANWEI | 12 | 4♥ | ♣A | -1 | -5 |
| -3.1 | Round 2 | QIANWEI | 8 | 1NT | ♦J | -1 | -5 |
| -3.2 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 4 | 4♠ | ♠9 | -1 | -6 |
| -3.9 | Round 1 | BEIJING SHARE SUN | 4 | 1NT | ♣A | +1 | -12 |
| -5.7 | Round 4 | BEIJIING TAILI KANGXIN | 22 | 3NT | ♦2 | = | +0 |
| -6.4 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 5 | 3NT | ♣4 | = | +1 |
| -6.7 | Round 2 | QIANWEI | 13 | 4♠ | ♥4 | +2 | -17 |
| -8.3 | Round 1 | BEIJING SHARE SUN | 7 | 5♥x | ♦3 | -2 | -8 |
| -8.5 | Round 4 | BEIJIING TAILI KANGXIN | 23 | 3NT | ♦5 | +2 | -11 |
| -9.1 | Round 1 | BEIJING SHARE SUN | 6 | 3NT | ♥4 | = | +0 |