CHEN Ying · SHENZHEN NANGANG POWER
vs par split: bidding -0.29 · play -1.32
Strength of schedule: opponents averaged +0.30/bd (a tough draw) → opponent-adjusted -0.09/bd
Card play — on target: opening leads 85.7% #127 of 398 · declarer play 50.0% #351 of 398 · defence 60.0% #397 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 75.0% (4) |
| Declarer play | 0.0% (2) | 75.0% (4) |
| Defence | 71.4% (7) | 50.0% (8) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (1) · ♦ 100.0% (2) · ♣ 0.0% (1)
vs par by strain: NT +0.09 (11) · a suit -2.71 (17)
vs par by level: part-score -3.50 (8) · game -1.56 (18) · slam +5.50 (2)
By role: declaring -1.53/bd (-5.00 vs par · 13) · defending +0.60/bd (+1.33 vs par · 15)
By vulnerability: vulnerable -1.26/bd (-4.29 vs par · 14) · not vulnerable +0.48/bd (+1.07 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Chen | S.Sun – R.Yan | Closed | 7 | -9.1 | -1.30 | -2.71 |
| Round 2 | S.Chen | A.Sontag – R.Taylor | Open | 7 | +2.2 | +0.31 | +0.86 |
| Round 4 | S.Chen | W.Wang – Y.Liu | Open | 7 | +9.1 | +1.30 | +0.14 |
| Round 7 | S.Chen | Y.Zhang – X.Yu | Open | 7 | -13.1 | -1.87 | -4.71 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 4 | SAIC | 23 | 6♠ | ♥7 | = | +0 |
| +5.7 | Round 1 | BEIJING TRINERGY | 1 | 3NT | ♠4 | -1 | +10 |
| +5.2 | Round 2 | TAYLOR | 12 | 4♠ | ♦6 | = | +3 |
| +4.5 | Round 7 | BEYOND | 19 | 4♥x | ♠2 | -1 | +3 |
| +4.2 | Round 2 | TAYLOR | 14 | 6♦ | ♣K | -1 | +11 |
| +3.8 | Round 4 | SAIC | 28 | 3NT | ♠5 | -1 | +5 |
| +3.2 | Round 2 | TAYLOR | 8 | 5♥ | ♠A | = | +2 |
| +2.8 | Round 4 | SAIC | 22 | 4NT | ♥10 | +1 | +13 |
| +2.8 | Round 7 | BEYOND | 20 | 2NT | ♦A | -1 | +5 |
| +2.1 | Round 1 | BEIJING TRINERGY | 5 | 3NT | ♠Q | -2 | +5 |
| +1.4 | Round 2 | TAYLOR | 9 | 2♠ | ♣9 | +1 | +7 |
| +0.6 | Round 7 | BEYOND | 17 | 3NT | ♠6 | = | -11 |
| +0.1 | Round 4 | SAIC | 25 | 3NT | ♠4 | = | +0 |
| -0.3 | Round 2 | TAYLOR | 13 | 3NT | ♠J | = | +0 |
| -0.4 | Round 1 | BEIJING TRINERGY | 4 | 1NT | ♥A | = | -11 |
| -1.7 | Round 1 | BEIJING TRINERGY | 2 | 4♥ | ♣5 | +3 | -2 |
| -1.8 | Round 2 | TAYLOR | 11 | 2♠ | ♦A | -1 | -5 |
| -1.9 | Round 1 | BEIJING TRINERGY | 6 | 4♦ | ♣J | -1 | -5 |
| -1.9 | Round 4 | SAIC | 24 | 4♥ | ♦J | = | +1 |
| -2.0 | Round 1 | BEIJING TRINERGY | 3 | 3NT | ♠3 | = | -3 |
| -2.0 | Round 4 | SAIC | 26 | 3♣ | ♥6 | -1 | -11 |
| -2.2 | Round 7 | BEYOND | 16 | 2♠ | ♣K | +2 | -1 |
| -4.2 | Round 7 | BEYOND | 21 | 4♠ | ♦3 | -1 | -6 |
| -4.6 | Round 7 | BEYOND | 15 | 5♣ | ♥2 | -1 | -5 |
| -6.0 | Round 4 | SAIC | 27 | 3♦ | ♦A | -4 | -7 |
| -9.7 | Round 2 | TAYLOR | 10 | 3NT | ♣4 | -1 | -12 |
| -10.0 | Round 7 | BEYOND | 18 | 5♣x | ♦A | -2 | -18 |
| -10.9 | Round 1 | BEIJING TRINERGY | 7 | 5♥ | ♠4 | -1 | -13 |