CHU William C · CHANGYU
vs par split: bidding +0.29 · play -1.35
Strength of schedule: opponents averaged -0.64/bd (an easy draw) → opponent-adjusted -2.15/bd
Card play — on target: opening leads 78.6% #134 of 277 · declarer play 66.7% #205 of 277 · defence 71.4% #242 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 77.8% (9) |
| Declarer play | 75.0% (4) | 63.6% (11) |
| Defence | 62.5% (8) | 75.0% (20) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 66.7% (3) · ♦ 100.0% (4) · ♣ 50.0% (4)
vs par by strain: NT -0.15 (13) · a suit -1.40 (35)
vs par by level: part-score -0.29 (17) · game -2.50 (28) · slam +8.00 (3)
By role: declaring -1.51/bd (-4.30 vs par · 20) · defending -1.50/bd (+1.10 vs par · 29)
By vulnerability: vulnerable -2.35/bd (-1.25 vs par · 24) · not vulnerable -0.70/bd (-0.96 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Chao | D.Wu – L.Li | Open | 7 | -32.2 | -4.60 | -1.57 |
| Round 3 | J.Chao | H.Ge – C.Feng | Open | 7 | -1.5 | -0.21 | +0.71 |
| Round 4 | J.Chao | C.Wang – B.Li | Closed | 7 | +1.8 | +0.26 | -1.57 |
| Round 5 | J.Chao | L.Wang – H.Tian | Open | 7 | -15.8 | -2.26 | -1.29 |
| Round 6 | J.Chao | H.Li – Y.Wang | Open | 7 | -10.3 | -1.47 | -2.57 |
| Round 7 | J.Chao | X.Li – Q.Wu | Open | 7 | +1.4 | +0.20 | +1.14 |
| Round 8 | J.Chao | J.Zhu – W.Liu | Open | 7 | -17.1 | -2.44 | -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 |
|---|---|---|---|---|---|---|---|
| +10.4 | Round 4 | BEIJIING TAILI KANGXIN | 23 | 3♦x | ♠8 | -3 | +12 |
| +6.8 | Round 6 | CHANGYU | 14 | 4♠ | ♠3 | +1 | +8 |
| +3.8 | Round 7 | BEYOND | 16 | 5♥x | ♦K | -2 | +5 |
| +3.6 | Round 8 | INNER MONGOLIA JUNZHENG | 25 | 4♥ | ♥8 | -1 | +5 |
| +3.5 | Round 7 | BEYOND | 15 | 4♥ | ♠5 | -1 | +12 |
| +3.4 | Round 7 | BEYOND | 18 | 3NT | ♥6 | +2 | +13 |
| +2.8 | Round 6 | CHANGYU | 8 | 3♣ | ♣6 | = | +0 |
| +2.7 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 3 | 3NT | ♦J | +1 | +1 |
| +2.5 | Round 3 | PHOENIX LEGEND | 17 | 4♠ | ♣8 | -1 | +8 |
| +2.5 | Round 4 | BEIJIING TAILI KANGXIN | 24 | 1NT | ♥4 | +1 | +1 |
| +2.3 | Round 2 | QIANWEI | 14 | 4♠ | ♣K | -1 | +4 |
| +1.6 | Round 3 | PHOENIX LEGEND | 15 | 4♥ | ♦3 | +3 | -10 |
| +1.0 | Round 6 | CHANGYU | 13 | 2♠ | ♦Q | = | +0 |
| +1.0 | Round 7 | BEYOND | 19 | 1NT | ♠2 | = | -1 |
| +0.7 | Round 3 | PHOENIX LEGEND | 21 | 3♣ | ♦7 | +2 | +10 |
| +0.5 | Round 3 | PHOENIX LEGEND | 16 | 1NT | ♠4 | = | +8 |
| +0.2 | Round 4 | BEIJIING TAILI KANGXIN | 26 | 1NT | ♠7 | = | +1 |
| +0.2 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 2 | 2♠ | ♥K | = | -1 |
| -0.2 | Round 4 | BEIJIING TAILI KANGXIN | 25 | 3NT | ♠Q | = | +0 |
| -0.4 | Round 4 | BEIJIING TAILI KANGXIN | 27 | 4♥ | ♥6 | = | -11 |
| -0.6 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 1 | 4♥ | ♣A | +1 | +0 |
| -0.7 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 6 | 6♠ | ♦3 | = | +11 |
| -0.8 | Round 8 | INNER MONGOLIA JUNZHENG | 28 | 4♠ | ♦J | = | -3 |
| -0.9 | Round 2 | QIANWEI | 8 | 1NT | ♠4 | = | +1 |
| -0.9 | Round 7 | BEYOND | 20 | Pass | -3 | ||
| -1.1 | Round 7 | BEYOND | 17 | 4♥ | ♦7 | -2 | -7 |
| -1.6 | Round 3 | PHOENIX LEGEND | 19 | 4♠ | ♦K | = | -6 |
| -1.8 | Round 6 | CHANGYU | 12 | 4♥ | ♣2 | +1 | +0 |
| -2.0 | Round 6 | CHANGYU | 11 | 3NT | ♥6 | -1 | -4 |
| -2.1 | Round 3 | PHOENIX LEGEND | 18 | 2♠ | ♥2 | -2 | -5 |
| -2.6 | Round 8 | INNER MONGOLIA JUNZHENG | 24 | 3♥ | ♠J | -1 | -5 |
| -2.8 | Round 2 | QIANWEI | 12 | 3♥ | ♦J | = | -1 |
| -3.1 | Round 3 | PHOENIX LEGEND | 20 | 3♣ | ♣J | = | +0 |
| -3.6 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 5 | 4♠ | ♠2 | -1 | -10 |
| -3.6 | Round 8 | INNER MONGOLIA JUNZHENG | 27 | 4♠ | ♦Q | +1 | -1 |
| -4.2 | Round 4 | BEIJIING TAILI KANGXIN | 22 | 3♥ | ♠7 | = | -10 |
| -4.2 | Round 8 | INNER MONGOLIA JUNZHENG | 26 | 3NT | ♥6 | = | +1 |
| -4.4 | Round 8 | INNER MONGOLIA JUNZHENG | 22 | 3♠ | ♥Q | -2 | -8 |
| -4.7 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 7 | 6♥ | ♦7 | = | +0 |
| -5.1 | Round 8 | INNER MONGOLIA JUNZHENG | 23 | 2♠ | ♣J | +2 | -7 |
| -6.2 | Round 2 | QIANWEI | 13 | 6♠ | ♥4 | = | +13 |
| -6.3 | Round 2 | QIANWEI | 9 | 4♠ | ♦Q | -2 | -8 |
| -6.5 | Round 4 | BEIJIING TAILI KANGXIN | 28 | 3NT | ♣4 | +1 | -4 |
| -6.6 | Round 2 | QIANWEI | 11 | 3NT | ♦4 | +1 | -8 |
| -6.9 | Round 6 | CHANGYU | 9 | 5♣ | ♥8 | = | -11 |
| -8.3 | Round 7 | BEYOND | 21 | 4♠ | ♣5 | +2 | -11 |
| -9.1 | Round 5 | QINGHAI BRIDGE ASSOCIATION | 4 | 4♠ | ♦K | = | -10 |
| -10.2 | Round 6 | CHANGYU | 10 | 3NT | ♠6 | +1 | -11 |
| -11.7 | Round 2 | QIANWEI | 10 | 4♠x | ♥8 | -4 | -12 |