ZHENG Hong · HUBEI QIAOXIE
vs par split: bidding +1.23 · play +0.05
Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted +0.13/bd
Card play — on target: opening leads 85.7% #127 of 398 · declarer play 77.8% #153 of 398 · defence 88.9% #135 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 81.8% (11) |
| Declarer play | 60.0% (5) | 84.6% (13) |
| Defence | 100.0% (6) | 85.7% (21) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (5) · ♦ 33.3% (3) · ♣ 100.0% (3)
vs par by strain: NT +0.00 (14) · a suit +1.71 (42)
vs par by level: part-score -0.39 (23) · game +2.14 (29) · slam +4.75 (4)
By role: declaring +0.36/bd (-0.45 vs par · 29) · defending -0.07/bd (+3.15 vs par · 27)
By vulnerability: vulnerable -1.26/bd (+0.04 vs par · 28) · not vulnerable +1.57/bd (+2.54 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Chen | Y.Chen – X.Zhang | Closed | 7 | +7.0 | +1.00 | +2.29 |
| Round 2 | X.Chen | L.Lau – J.Ouyang | Closed | 7 | +2.3 | +0.33 | +0.14 |
| Round 3 | X.Chen | I.Delmonte – L.Weinger | Open | 7 | +8.1 | +1.16 | +0.29 |
| Round 4 | X.Chen | P.Cronier – C.D'Ovidio | Open | 7 | -8.9 | -1.27 | -0.14 |
| Round 5 | X.Chen | J.Ma – H.Tian | Closed | 7 | +4.4 | +0.63 | +1.14 |
| Round 6 | X.Chen | C.Willenken – D.Berkowitz | Closed | 7 | -14.6 | -2.09 | +0.43 |
| Round 7 | X.Chen | J.Shi – Y.Du | Open | 7 | +13.8 | +1.97 | +4.71 |
| Round 8 | X.Chen | B.Callaghan – C.Duckworth | Open | 7 | -3.6 | -0.51 | +1.43 |
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 |
|---|---|---|---|---|---|---|---|
| +17.9 | Round 4 | PZIM | 23 | 6♥ | ♣Q | = | +21 |
| +10.0 | Round 7 | BEIJING CENTURY WEIDA | 18 | 5♣x | ♦A | -2 | +18 |
| +9.9 | Round 2 | HEY YO | 8 | 6♥x | ♠A | = | +12 |
| +9.4 | Round 5 | SANYA-HONGYE | 5 | 3NTx | ♠3 | = | +9 |
| +5.8 | Round 1 | LUCKY SEVEN | 1 | 4♥ | ♣8 | +1 | +1 |
| +5.8 | Round 1 | LUCKY SEVEN | 2 | 4♥x | ♠6 | +1 | +6 |
| +5.6 | Round 2 | HEY YO | 14 | 4♠ | ♥2 | = | -1 |
| +4.8 | Round 2 | HEY YO | 12 | 1NT | ♣5 | +1 | +9 |
| +4.6 | Round 8 | BINKIE | 27 | 4♠ | ♥3 | -1 | +5 |
| +4.2 | Round 7 | BEIJING CENTURY WEIDA | 21 | 4♠ | ♦3 | -1 | +6 |
| +3.4 | Round 6 | WILLENKEN | 11 | 4♠ | ♦2 | +3 | +10 |
| +3.3 | Round 6 | WILLENKEN | 8 | 4♥x | ♣6 | -1 | +11 |
| +3.3 | Round 7 | BEIJING CENTURY WEIDA | 20 | 2♠ | ♦J | +1 | +1 |
| +3.2 | Round 8 | BINKIE | 26 | 4♣ | ♠4 | -2 | +7 |
| +3.1 | Round 3 | PLATINUM CEM | 15 | 5♣x | ♣9 | -2 | +0 |
| +2.7 | Round 3 | PLATINUM CEM | 17 | 3NT | ♥10 | -3 | +7 |
| +2.0 | Round 1 | LUCKY SEVEN | 3 | 3NT | ♥3 | = | +3 |
| +1.8 | Round 5 | SANYA-HONGYE | 3 | 2♠ | ♦5 | +1 | +7 |
| +1.5 | Round 5 | SANYA-HONGYE | 1 | 5♦ | ♠A | = | -3 |
| +1.4 | Round 3 | PLATINUM CEM | 20 | 4♥ | ♠A | +1 | +0 |
| +1.0 | Round 3 | PLATINUM CEM | 21 | 5♠ | ♦2 | = | +0 |
| +1.0 | Round 4 | PZIM | 26 | 3♠ | ♣K | = | +11 |
| +0.3 | Round 7 | BEIJING CENTURY WEIDA | 16 | 3♣ | ♠Q | -2 | -1 |
| +0.1 | Round 3 | PLATINUM CEM | 19 | 4♥ | ♦4 | +1 | +0 |
| +0.1 | Round 8 | BINKIE | 28 | 4♥ | ♠2 | -2 | +1 |
| -0.1 | Round 3 | PLATINUM CEM | 16 | 1NT | ♥7 | +3 | +1 |
| -0.1 | Round 3 | PLATINUM CEM | 18 | 2NT | ♥K | +2 | -6 |
| -0.1 | Round 4 | PZIM | 25 | 3NT | ♠4 | = | +0 |
| -0.1 | Round 6 | WILLENKEN | 10 | 4♥ | ♠2 | = | +1 |
| -0.6 | Round 1 | LUCKY SEVEN | 4 | 1NT | ♥A | +1 | +10 |
| -0.6 | Round 6 | WILLENKEN | 14 | 4♠ | ♥3 | -2 | +5 |
| -0.6 | Round 7 | BEIJING CENTURY WEIDA | 17 | 5♦ | ♠4 | = | +11 |
| -0.9 | Round 5 | SANYA-HONGYE | 2 | 4♥ | ♠J | = | -1 |
| -1.2 | Round 7 | BEIJING CENTURY WEIDA | 15 | 3♣ | ♥4 | +2 | -2 |
| -1.3 | Round 1 | LUCKY SEVEN | 7 | 4♥ | ♠4 | = | +1 |
| -1.3 | Round 4 | PZIM | 27 | 3♠ | ♣Q | -2 | +0 |
| -1.4 | Round 2 | HEY YO | 9 | 2♠ | ♣4 | +1 | -7 |
| -1.4 | Round 6 | WILLENKEN | 13 | 1NT | ♥5 | +1 | -10 |
| -1.5 | Round 5 | SANYA-HONGYE | 6 | 4♠ | ♦A | = | +1 |
| -1.8 | Round 2 | HEY YO | 11 | 1NT | ♣6 | = | +1 |
| -1.9 | Round 8 | BINKIE | 23 | 3♣ | ♠3 | = | +9 |
| -2.1 | Round 1 | LUCKY SEVEN | 5 | 4♦x | ♠A | -1 | -5 |
| -2.2 | Round 7 | BEIJING CENTURY WEIDA | 19 | 3♥ | ♣5 | -1 | +0 |
| -2.3 | Round 2 | HEY YO | 10 | 3NT | ♦8 | = | +0 |
| -2.3 | Round 8 | BINKIE | 22 | 1NT | ♦3 | -1 | +0 |
| -2.6 | Round 1 | LUCKY SEVEN | 6 | 4♦ | ♥A | = | +0 |
| -2.6 | Round 5 | SANYA-HONGYE | 7 | 3♥ | ♦A | = | -6 |
| -3.3 | Round 5 | SANYA-HONGYE | 4 | 4♠ | ♥J | = | +1 |
| -3.5 | Round 8 | BINKIE | 25 | 4♠ | ♥5 | -1 | -6 |
| -3.8 | Round 4 | PZIM | 28 | 3♦ | ♦4 | -1 | -5 |
| -3.8 | Round 8 | BINKIE | 24 | 3♠ | ♣K | +2 | -6 |
| -6.6 | Round 6 | WILLENKEN | 12 | 6♥ | ♠2 | = | -1 |
| -8.5 | Round 4 | PZIM | 24 | 3NT | ♣J | -1 | -11 |
| -12.5 | Round 2 | HEY YO | 13 | 3NT | ♠J | -2 | -13 |
| -12.6 | Round 6 | WILLENKEN | 9 | 6♥ | ♣10 | -1 | -13 |
| -14.1 | Round 4 | PZIM | 22 | 1♠ | ♣A | -3 | -17 |