ZHANG Bangxiang · CHINA OPEN
11rank
+42.3Butler · 84 bds
+0.50per board
±4.8swing
+0.69vs par /bd · #1/18
+0.70adjusted /bd
by round
vs par split: bidding +1.21 · play -0.52
Strength of schedule: opponents averaged +0.20/bd (a tough draw) → opponent-adjusted +0.70/bd
Card play — on target: opening leads 89.3% #1 of 18 · declarer play 56.5% #18 of 18 · defence 73.3% #17 of 18
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 91.7% (12) | 87.5% (16) |
| Declarer play | 75.0% (8) | 46.7% (15) |
| Defence | 66.7% (15) | 76.7% (30) |
Opening leads by suit led: ♠ 80.0% (10) · ♥ 100.0% (1) · ♦ 100.0% (11) · ♣ 83.3% (6)
vs par by strain: NT +1.56 (27) · a suit +0.28 (57)
vs par by level: part-score +2.54 (28) · game +0.66 (50) · slam -7.67 (6)
By role: declaring +0.45/bd (-1.26 vs par · 39) · defending +0.55/bd (+2.38 vs par · 45)
By vulnerability: vulnerable +0.21/bd (+0.48 vs par · 42) · not vulnerable +0.80/bd (+0.91 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | J.Li | T.Aa – A.Livgard | Closed | 14 | +35.1 | +2.51 | +2.79 |
| Quarterfinal | J.Li | R.Pachtman – P.Zatorski | Closed | 14 | -6.6 | -0.47 | -1.50 |
| Quarterfinal | J.Li | R.Pachtman – P.Zatorski | Closed | 14 | +19.4 | +1.39 | +1.36 |
| Semifinal | J.Li | Y.Papakyriakopoulos – A.Filios | Open | 14 | +21.6 | +1.54 | +0.07 |
| Semifinal | J.Li | K.Kontomitros – T.Koukouselis | Open | 14 | -11.9 | -0.85 | +0.14 |
| Semifinal | J.Li | Y.Papakyriakopoulos – A.Filios | Open | 14 | -15.3 | -1.09 | +1.29 |
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 |
|---|---|---|---|---|---|---|---|
| +11.0 | Semifinal | GREECE | 34 | 2♠ | ♠10 | -2 | +11 |
| +10.8 | Round of 16 | HEIMDAL | 25 | 5♣x | ♦3 | = | +9 |
| +10.3 | Semifinal | GREECE | 20 | 5♥ | ♠9 | -1 | -1 |
| +8.7 | Quarterfinal | ERA | 13 | 3NT | ♣2 | +2 | +2 |
| +7.7 | Semifinal | GREECE | 36 | 4♠ | ♦8 | +1 | +8 |
| +7.4 | Quarterfinal | ERA | 21 | 7♥ | ♣3 | = | +0 |
| +6.7 | Round of 16 | HEIMDAL | 20 | 2♠x | ♣K | -2 | +9 |
| +6.5 | Round of 16 | HEIMDAL | 19 | 6♠ | ♣J | +1 | +1 |
| +6.3 | Semifinal | GREECE | 15 | 5♦x | ♣A | -2 | -13 |
| +6.3 | Semifinal | GREECE | 46 | 1NT | ♦8 | -2 | +11 |
| +6.1 | Quarterfinal | ERA | 10 | 2♠ | ♣A | = | +6 |
| +5.8 | Round of 16 | HEIMDAL | 15 | 4♠ | ♦5 | -1 | +5 |
| +5.7 | Semifinal | GREECE | 53 | 4♥ | ♠3 | -3 | +5 |
| +5.1 | Quarterfinal | ERA | 9 | 5♦x | ♠K | -3 | +4 |
| +5.0 | Semifinal | GREECE | 32 | 3NT | ♦2 | +2 | +1 |
| +4.7 | Semifinal | GREECE | 25 | 2♣x | ♠Q | -3 | +9 |
| +4.6 | Quarterfinal | ERA | 16 | 2NT | ♦5 | -1 | +5 |
| +4.3 | Quarterfinal | ERA | 17 | 3♠ | ♦A | -2 | +5 |
| +4.0 | Semifinal | GREECE | 37 | 5♥x | ♥3 | -1 | -6 |
| +3.3 | Semifinal | GREECE | 24 | 3NT | ♥7 | = | +6 |
| +3.3 | Semifinal | GREECE | 49 | 2NT | ♠5 | -1 | +5 |
| +3.0 | Quarterfinal | ERA | 20 | 3♥ | ♦J | = | +2 |
| +2.9 | Round of 16 | HEIMDAL | 23 | 4♠ | ♦A | -1 | +3 |
| +2.7 | Semifinal | GREECE | 27 | 4♠ | ♥A | = | +11 |
| +2.7 | Semifinal | GREECE | 52 | 1♠ | ♦A | = | +5 |
| +2.4 | Quarterfinal | ERA | 27 | 4♥ | ♣J | = | -1 |
| +2.3 | Semifinal | GREECE | 35 | 4♥ | ♠6 | -1 | +12 |
| +2.0 | Semifinal | GREECE | 17 | 2♠ | ♥6 | +1 | +1 |
| +1.9 | Round of 16 | HEIMDAL | 17 | 2♠ | ♦A | -1 | +4 |
| +1.9 | Quarterfinal | ERA | 22 | 4NT | ♠9 | +2 | +13 |
| +1.6 | Quarterfinal | ERA | 1 | 3♥ | ♦2 | -1 | -2 |
| +1.4 | Round of 16 | HEIMDAL | 27 | 4♥ | ♦3 | -1 | +5 |
| +1.3 | Quarterfinal | ERA | 2 | 5♠ | ♥7 | = | +0 |
| +1.3 | Quarterfinal | ERA | 3 | 4♣ | ♠A | -1 | -5 |
| +1.2 | Round of 16 | HEIMDAL | 24 | 4NT | ♣J | = | +0 |
| +1.1 | Round of 16 | HEIMDAL | 16 | 4♥ | ♦5 | = | +1 |
| +1.1 | Quarterfinal | ERA | 19 | 3NT | ♦6 | = | -1 |
| +1.0 | Semifinal | GREECE | 26 | 3NT | ♥5 | -2 | +17 |
| +1.0 | Semifinal | GREECE | 28 | 5♠ | ♣2 | = | +11 |
| +0.7 | Round of 16 | HEIMDAL | 26 | 3NT | ♣3 | +2 | +0 |
| +0.3 | Quarterfinal | ERA | 23 | 4♠ | ♦10 | = | +0 |
| +0.3 | Semifinal | GREECE | 22 | 3NT | ♣3 | +3 | -11 |
| +0.3 | Semifinal | GREECE | 44 | 4♥ | ♣8 | = | +1 |
| +0.1 | Round of 16 | HEIMDAL | 28 | 2♥ | ♦2 | -1 | -2 |
| +0.0 | Quarterfinal | ERA | 25 | 3NT | ♠3 | +2 | -10 |
| +0.0 | Semifinal | GREECE | 19 | 2NT | ♠J | -1 | -4 |
| +0.0 | Semifinal | GREECE | 21 | 4♥ | ♦K | -1 | -12 |
| +0.0 | Semifinal | GREECE | 30 | 4♠ | ♥6 | = | +0 |
| +0.0 | Semifinal | GREECE | 38 | 2♠ | ♦A | = | +6 |
| +0.0 | Semifinal | GREECE | 40 | 4♠ | ♦J | = | +0 |
| +0.0 | Semifinal | GREECE | 51 | 4♥ | ♣A | -1 | -6 |
| -0.1 | Quarterfinal | ERA | 8 | 6NT | ♥8 | = | -11 |
| -0.3 | Quarterfinal | ERA | 24 | 4♠ | ♣5 | +1 | -1 |
| -0.7 | Semifinal | GREECE | 54 | 1NT | ♠3 | -1 | +5 |
| -0.8 | Round of 16 | HEIMDAL | 22 | 1NT | ♠2 | +2 | +10 |
| -0.9 | Round of 16 | HEIMDAL | 21 | 3NT | ♣3 | +3 | -1 |
| -1.0 | Quarterfinal | ERA | 26 | 4♥ | ♠K | = | +1 |
| -1.0 | Semifinal | GREECE | 50 | 3♠ | ♦A | -3 | +4 |
| -1.1 | Quarterfinal | ERA | 12 | 1NT | ♣J | = | +1 |
| -1.3 | Quarterfinal | ERA | 18 | 3♥ | ♦K | +2 | -2 |
| -1.3 | Quarterfinal | ERA | 28 | 4♥x | ♦2 | -3 | +8 |
| -1.3 | Semifinal | GREECE | 42 | 2♠ | ♣2 | = | +0 |
| -1.3 | Semifinal | GREECE | 43 | 2♥ | ♠Q | = | -1 |
| -1.4 | Quarterfinal | ERA | 6 | 3NT | ♦6 | +2 | +0 |
| -1.7 | Quarterfinal | ERA | 4 | 3NT | ♥5 | +2 | -1 |
| -1.7 | Quarterfinal | ERA | 15 | 3NT | ♠J | +1 | +0 |
| -1.7 | Semifinal | GREECE | 16 | 2♦ | ♥A | = | -6 |
| -2.1 | Quarterfinal | ERA | 5 | 3NT | ♠Q | +3 | +10 |
| -2.3 | Round of 16 | HEIMDAL | 18 | 2♥ | ♣10 | -1 | -5 |
| -2.3 | Semifinal | GREECE | 23 | 3♦ | ♣A | = | +0 |
| -3.0 | Quarterfinal | ERA | 11 | 6♥x | ♣A | -2 | -5 |
| -3.3 | Semifinal | GREECE | 29 | 3♠ | ♦8 | = | -1 |
| -3.3 | Semifinal | GREECE | 56 | 3NT | ♣2 | = | +0 |
| -4.3 | Semifinal | GREECE | 47 | 3NT | ♣4 | = | +6 |
| -5.4 | Quarterfinal | ERA | 14 | 5♦ | ♣3 | = | +0 |
| -5.7 | Semifinal | GREECE | 55 | 3NT | ♦4 | = | +0 |
| -6.0 | Semifinal | GREECE | 18 | 5♠x | ♥Q | -2 | -7 |
| -7.3 | Semifinal | GREECE | 33 | 4♥ | ♠2 | +1 | -1 |
| -7.7 | Semifinal | GREECE | 39 | 4♥ | ♠Q | -2 | -6 |
| -8.3 | Semifinal | GREECE | 48 | 4♥ | ♠Q | -1 | -12 |
| -9.0 | Semifinal | GREECE | 45 | 5♥x | ♣A | -2 | -5 |
| -11.0 | Semifinal | GREECE | 31 | 6♥ | ♣A | -2 | -11 |
| -11.3 | Semifinal | GREECE | 41 | 3NT | ♣A | +1 | -11 |
| -15.9 | Quarterfinal | ERA | 7 | 7♥ | ♠7 | -1 | -20 |