CHEN Yinglei · CHINA HYX
vs par split: bidding +0.11 · play -0.02
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.25/bd
Card play — on target: opening leads 84.2% #90 of 310 · declarer play 71.4% #192 of 310 · defence 77.8% #250 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 81.2% (16) |
| Declarer play | 33.3% (3) | 81.8% (11) |
| Defence | 100.0% (4) | 73.9% (23) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (3) · ♦ 83.3% (6) · ♣ 80.0% (5)
vs par by strain: NT +2.42 (12) · a suit -0.55 (44)
vs par by level: part-score -0.44 (27) · game +0.08 (24) · slam +3.00 (5)
By role: declaring +1.39/bd (-0.66 vs par · 29) · defending -2.12/bd (+0.89 vs par · 27)
By vulnerability: vulnerable -0.73/bd (+0.25 vs par · 28) · not vulnerable +0.12/bd (-0.07 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Zhou | T.Teramoto – H.Takano | Closed | 7 | -7.7 | -1.10 | -2.00 |
| Round 2 | J.Zhou | R.Schwartz – L.Fisher | Closed | 7 | -13.6 | -1.94 | +1.86 |
| Round 3 | J.Zhou | R.Chen – L.Jiang | Closed | 7 | +10.1 | +1.44 | +2.00 |
| Round 4 | J.Zhou | C.Ng – P.Lau | Open | 7 | +18.1 | +2.59 | +1.14 |
| Round 5 | J.Zhou | B.Drijver – S.Brink | Open | 7 | -16.8 | -2.40 | -2.00 |
| Round 6 | J.Zhou | H.Shi – Z.Zhuang | Open | 7 | +15.8 | +2.26 | +2.14 |
| Round 7 | J.Zhou | N.Eber – C.Bosenberg | Open | 7 | -4.6 | -0.66 | +0.14 |
| Round 8 | J.Zhou | H.Eide – K.Ellingsen | Closed | 7 | -18.4 | -2.63 | -2.57 |
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 |
|---|---|---|---|---|---|---|---|
| +12.6 | Round 6 | CHINA OPN(A) | 9 | 4♥x | ♦K | = | +12 |
| +9.0 | Round 3 | ZHEJIANG JUXIN | 19 | 5♠x | ♦K | -1 | +7 |
| +8.1 | Round 4 | HK ZEN | 23 | 3NT | ♥5 | = | +10 |
| +7.6 | Round 1 | JAPAN | 5 | 4♥ | ♠K | = | +7 |
| +7.3 | Round 6 | CHINA OPN(A) | 12 | 4♠x | ♥5 | -2 | +8 |
| +5.9 | Round 7 | SOUTH AFRICA | 17 | 5♣ | ♥K | = | +0 |
| +5.5 | Round 2 | VITAS | 12 | 4♥x | ♥K | -1 | +7 |
| +5.2 | Round 4 | HK ZEN | 22 | 3NT | ♦8 | = | +0 |
| +4.8 | Round 1 | JAPAN | 4 | 1NT | ♣K | = | +12 |
| +4.8 | Round 4 | HK ZEN | 28 | 3♠ | ♦K | -1 | +10 |
| +3.9 | Round 3 | ZHEJIANG JUXIN | 17 | 4♠ | ♣8 | -1 | +8 |
| +3.7 | Round 1 | JAPAN | 3 | 2NT | ♠5 | +2 | +1 |
| +3.4 | Round 5 | DIAMOND | 5 | 2♠ | ♠3 | +2 | -6 |
| +3.0 | Round 7 | SOUTH AFRICA | 18 | 5NT | ♥2 | = | +13 |
| +2.6 | Round 7 | SOUTH AFRICA | 21 | 6♠ | ♥3 | = | +0 |
| +2.2 | Round 6 | CHINA OPN(A) | 8 | 3♦ | ♥6 | +1 | +1 |
| +2.1 | Round 4 | HK ZEN | 24 | 2NT | ♥4 | = | +1 |
| +2.1 | Round 8 | NORWAY JUNIORS | 22 | 3♦ | ♠J | -2 | -1 |
| +1.8 | Round 4 | HK ZEN | 27 | 4♠ | ♦J | +3 | -10 |
| +1.8 | Round 6 | CHINA OPN(A) | 11 | 3♣ | ♣5 | = | +0 |
| +1.8 | Round 7 | SOUTH AFRICA | 20 | 3♥ | ♣9 | -1 | +0 |
| +1.4 | Round 5 | DIAMOND | 2 | 2♠ | ♥K | +1 | +0 |
| +1.0 | Round 3 | ZHEJIANG JUXIN | 21 | 4♣ | ♦7 | +1 | +10 |
| +0.7 | Round 2 | VITAS | 9 | 2♠ | ♥8 | +1 | +0 |
| +0.3 | Round 3 | ZHEJIANG JUXIN | 15 | 4♥ | ♠9 | +2 | -11 |
| +0.3 | Round 3 | ZHEJIANG JUXIN | 16 | 3♥ | ♣6 | +1 | +6 |
| -0.1 | Round 4 | HK ZEN | 25 | 3NT | ♠Q | = | +0 |
| -0.6 | Round 7 | SOUTH AFRICA | 19 | 2♠ | ♦10 | -1 | -2 |
| -0.9 | Round 2 | VITAS | 8 | 1NT | ♠2 | +1 | +0 |
| -0.9 | Round 6 | CHINA OPN(A) | 14 | 3♠ | ♦3 | = | +1 |
| -1.0 | Round 5 | DIAMOND | 1 | 4♥ | ♣A | +1 | +0 |
| -1.0 | Round 5 | DIAMOND | 6 | 6NT | ♣2 | = | +11 |
| -1.5 | Round 6 | CHINA OPN(A) | 10 | 3♦ | ♦3 | +1 | +0 |
| -1.6 | Round 8 | NORWAY JUNIORS | 25 | 2♠ | ♠5 | +2 | -1 |
| -1.7 | Round 1 | JAPAN | 6 | 1NT | ♥4 | +1 | -10 |
| -1.9 | Round 2 | VITAS | 11 | 2♠ | ♣10 | +2 | -2 |
| -1.9 | Round 3 | ZHEJIANG JUXIN | 20 | 3♣ | ♦4 | +1 | +0 |
| -2.2 | Round 8 | NORWAY JUNIORS | 24 | 4♠ | ♦6 | -1 | -5 |
| -2.5 | Round 3 | ZHEJIANG JUXIN | 18 | 3♥ | ♠J | = | -6 |
| -2.5 | Round 8 | NORWAY JUNIORS | 27 | 4♠ | ♦Q | = | +0 |
| -2.6 | Round 1 | JAPAN | 7 | 4♠ | ♥7 | -1 | -6 |
| -2.9 | Round 8 | NORWAY JUNIORS | 23 | 3♣ | ♠K | -1 | -5 |
| -3.1 | Round 5 | DIAMOND | 7 | 6♥ | ♣2 | = | +0 |
| -3.8 | Round 4 | HK ZEN | 26 | 3♠ | ♦3 | -2 | -3 |
| -4.2 | Round 2 | VITAS | 14 | 2♠ | ♣6 | +2 | -2 |
| -5.1 | Round 2 | VITAS | 10 | 4♥ | ♠K | = | -3 |
| -5.4 | Round 8 | NORWAY JUNIORS | 28 | 4♠x | ♣7 | = | -7 |
| -5.7 | Round 6 | CHINA OPN(A) | 13 | 3♠ | ♥J | -2 | -7 |
| -5.9 | Round 8 | NORWAY JUNIORS | 26 | 3NT | ♣9 | = | +1 |
| -6.5 | Round 5 | DIAMOND | 3 | 3♦ | ♠10 | -4 | -9 |
| -7.0 | Round 7 | SOUTH AFRICA | 16 | 6♠ | ♦5 | -3 | -9 |
| -7.3 | Round 1 | JAPAN | 1 | 3NT | ♦10 | -1 | -10 |
| -7.7 | Round 2 | VITAS | 13 | 6♠ | ♦3 | = | +13 |
| -10.0 | Round 5 | DIAMOND | 4 | 4♠ | ♦K | = | -10 |
| -10.3 | Round 7 | SOUTH AFRICA | 15 | 4♠ | ♠6 | +1 | -1 |
| -12.2 | Round 1 | JAPAN | 2 | 4♥x | ♥2 | +1 | -8 |