ZHANG Bangxiang · CHINA OPEN
vs par split: bidding -0.08 · play +0.27
Strength of schedule: opponents averaged +0.62/bd (a tough draw) → opponent-adjusted +0.41/bd
Card play — on target: opening leads 78.9% #236 of 534 · declarer play 73.3% #247 of 534 · defence 83.3% #347 of 535
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 78.6% (14) |
| Declarer play | 100.0% (4) | 63.6% (11) |
| Defence | 77.8% (9) | 85.7% (21) |
Opening leads by suit led: ♠ 85.7% (7) · ♥ 80.0% (5) · ♦ 60.0% (5) · ♣ 100.0% (2)
vs par by strain: NT +1.00 (17) · a suit -0.14 (43)
vs par by level: part-score -0.28 (32) · game +1.54 (24) · slam -4.25 (4)
By role: declaring -0.63/bd (-3.03 vs par · 30) · defending +0.22/bd (+3.40 vs par · 30)
By vulnerability: vulnerable -0.18/bd (+0.20 vs par · 30) · not vulnerable -0.22/bd (+0.17 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 8 | J.Li | S.Golebiowski – P.Tuszynski | Closed | 10 | -10.3 | -1.03 | +0.10 |
| Round 9 | J.Li | A.Palma – L.Cima | Closed | 10 | -11.0 | -1.10 | -1.40 |
| Round 10 | J.Li | A.Peake – P.Gill | Open | 10 | -0.4 | -0.04 | +2.10 |
| Round 13 | J.Li | P.Kasler – P.Chottin | Closed | 10 | +3.8 | +0.38 | -1.80 |
| Round 14 | J.Li | Y.Liu – J.Liu | Closed | 10 | +9.1 | +0.91 | +1.60 |
| Round 15 | J.Li | G.Winkler – M.Dumbovich | Open | 10 | -3.4 | -0.34 | +0.50 |
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 |
|---|---|---|---|---|---|---|---|
| +8.9 | Round 15 | DUMBOVICH | 26 | 3NT | ♠3 | -2 | +13 |
| +7.5 | Round 14 | ZHIYIJIA | 20 | 3♦x | ♥K | -3 | +5 |
| +6.4 | Round 8 | POLAND | 12 | 5♦x | ♠K | -2 | +9 |
| +5.6 | Round 13 | MON BAZILOU | 7 | 4♥ | ♠10 | -1 | +12 |
| +5.2 | Round 8 | POLAND | 19 | 5♣ | ♥Q | -2 | +8 |
| +5.2 | Round 13 | MON BAZILOU | 1 | 3♥ | ♠3 | -2 | +0 |
| +4.7 | Round 10 | DAMESY | 1 | 3NT | ♦2 | +1 | +0 |
| +3.3 | Round 14 | ZHIYIJIA | 11 | 3♠ | ♣3 | +1 | +2 |
| +3.2 | Round 13 | MON BAZILOU | 10 | 1NT | ♠2 | -2 | +2 |
| +3.0 | Round 10 | DAMESY | 10 | 3♥ | ♣A | +1 | +1 |
| +2.7 | Round 10 | DAMESY | 4 | 4♠ | ♦A | -1 | +6 |
| +1.9 | Round 8 | POLAND | 18 | 4♥ | ♣A | = | -1 |
| +1.7 | Round 13 | MON BAZILOU | 8 | 3NT | ♦10 | -1 | +2 |
| +1.7 | Round 15 | DUMBOVICH | 27 | 4♥ | ♣3 | +1 | +0 |
| +1.4 | Round 15 | DUMBOVICH | 25 | 4♥ | ♦K | = | -1 |
| +1.3 | Round 13 | MON BAZILOU | 4 | 5♥ | ♦A | = | +0 |
| +1.3 | Round 15 | DUMBOVICH | 24 | 2♥ | ♦A | +2 | +1 |
| +1.1 | Round 14 | ZHIYIJIA | 18 | 3NT | ♣10 | -2 | +5 |
| +1.0 | Round 10 | DAMESY | 6 | 6♥x | ♣A | -3 | +0 |
| +0.8 | Round 8 | POLAND | 16 | 2♠ | ♦3 | = | +11 |
| +0.8 | Round 13 | MON BAZILOU | 2 | 5♦ | ♠Q | +1 | -10 |
| +0.8 | Round 14 | ZHIYIJIA | 13 | 3♥ | ♠A | = | +0 |
| +0.5 | Round 8 | POLAND | 14 | 3♠ | ♥A | -1 | +2 |
| +0.5 | Round 9 | TEAM VENTIN | 27 | 2♠ | ♦8 | +2 | +1 |
| -0.0 | Round 14 | ZHIYIJIA | 16 | 1♠ | ♥A | -1 | +2 |
| -0.1 | Round 9 | TEAM VENTIN | 22 | 4♥ | ♣Q | +1 | +0 |
| -0.1 | Round 13 | MON BAZILOU | 3 | 6NT | ♥10 | +1 | -11 |
| -0.2 | Round 14 | ZHIYIJIA | 17 | 3♣ | ♥A | +2 | -7 |
| -0.2 | Round 14 | ZHIYIJIA | 19 | 4♥ | ♣J | +2 | +13 |
| -0.3 | Round 15 | DUMBOVICH | 21 | 4♠ | ♦10 | +1 | +0 |
| -0.4 | Round 9 | TEAM VENTIN | 28 | 4♥ | ♥4 | = | +0 |
| -0.4 | Round 10 | DAMESY | 2 | 3♥ | ♠K | +1 | +2 |
| -0.5 | Round 9 | TEAM VENTIN | 23 | 2♦ | ♥K | +1 | +0 |
| -0.6 | Round 9 | TEAM VENTIN | 21 | 2♦ | ♠7 | +2 | -10 |
| -0.7 | Round 9 | TEAM VENTIN | 30 | 2♥ | ♣2 | = | +0 |
| -0.7 | Round 10 | DAMESY | 3 | 1NT | ♦J | = | +11 |
| -0.9 | Round 9 | TEAM VENTIN | 26 | 3NT | ♥J | -1 | -6 |
| -0.9 | Round 15 | DUMBOVICH | 30 | 1NT | ♣Q | +1 | -1 |
| -1.0 | Round 10 | DAMESY | 8 | 3♠ | ♠4 | +1 | +6 |
| -1.0 | Round 14 | ZHIYIJIA | 14 | 1NT | ♣3 | -1 | -4 |
| -1.0 | Round 14 | ZHIYIJIA | 15 | 2NT | ♦A | = | +0 |
| -1.2 | Round 8 | POLAND | 13 | 1NT | ♠Q | +2 | -1 |
| -1.2 | Round 14 | ZHIYIJIA | 12 | 2♠ | ♥K | +1 | +0 |
| -1.3 | Round 15 | DUMBOVICH | 23 | 2♠ | ♦Q | +1 | -1 |
| -1.4 | Round 9 | TEAM VENTIN | 25 | 3NT | ♣3 | +3 | +13 |
| -2.2 | Round 8 | POLAND | 15 | 6NT | ♥Q | = | +11 |
| -2.8 | Round 13 | MON BAZILOU | 6 | 3♦ | ♠Q | -3 | -6 |
| -3.0 | Round 9 | TEAM VENTIN | 24 | 3NT | ♠J | -3 | -6 |
| -3.0 | Round 10 | DAMESY | 5 | 3♠ | ♦A | = | +0 |
| -3.3 | Round 10 | DAMESY | 9 | 3♦ | ♣10 | -1 | -5 |
| -3.4 | Round 10 | DAMESY | 7 | 2♥ | ♦Q | -1 | +0 |
| -3.4 | Round 13 | MON BAZILOU | 9 | 3♥ | ♠A | -1 | +2 |
| -3.9 | Round 9 | TEAM VENTIN | 29 | 2♠ | ♦A | +1 | -6 |
| -4.3 | Round 15 | DUMBOVICH | 28 | 3NT | ♥10 | = | +0 |
| -4.5 | Round 15 | DUMBOVICH | 29 | 5♦ | ♣Q | = | +1 |
| -4.9 | Round 8 | POLAND | 11 | 4♥ | ♦K | -1 | -10 |
| -4.9 | Round 8 | POLAND | 17 | 3NT | ♦K | -2 | -11 |
| -5.4 | Round 15 | DUMBOVICH | 22 | 3♣ | ♠K | +1 | -7 |
| -7.7 | Round 13 | MON BAZILOU | 5 | 2♥x | ♠K | -1 | -9 |
| -11.9 | Round 8 | POLAND | 20 | 6♣ | ♥A | -1 | -17 |