ZHANG Zhijun · ZHONGSHAN JIEGAO
vs par split: bidding +0.64 · play +0.21
Strength of schedule: opponents averaged -0.33/bd (an easy draw) → opponent-adjusted -0.31/bd
Card play — on target: opening leads 55.6% · declarer play 66.7% · defence 93.3%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (4) | 60.0% (5) |
| Declarer play | 100.0% (1) | 60.0% (5) |
| Defence | 83.3% (6) | 100.0% (9) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♦ 33.3% (3) · ♣ 50.0% (2)
vs par by strain: NT +0.10 (10) · a suit +1.28 (18)
vs par by level: part-score -1.13 (15) · game +1.91 (11) · slam +10.00 (2)
By role: declaring +0.99/bd (+0.23 vs par · 13) · defending -0.81/bd (+1.40 vs par · 15)
By vulnerability: vulnerable +0.39/bd (+1.50 vs par · 14) · not vulnerable -0.34/bd (+0.21 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | Y.Lu | B.Drijver – S.Brink | Open | 14 | +34.2 | +2.44 | +2.64 |
| Round of 16 | Y.Lu | J.Chen – P.Wang | Closed | 14 | -33.5 | -2.39 | -0.93 |
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 |
|---|---|---|---|---|---|---|---|
| +14.5 | Round of 32 | SWISS TEAM | 26 | 6♣ | ♥8 | -1 | +20 |
| +13.4 | Round of 32 | SWISS TEAM | 19 | 3NTx | ♠7 | +3 | +12 |
| +7.6 | Round of 32 | SWISS TEAM | 28 | 4♠ | ♦2 | = | +7 |
| +4.7 | Round of 16 | CHINA MIXED | 23 | 1♠ | ♦A | +1 | +6 |
| +2.7 | Round of 32 | SWISS TEAM | 17 | 4♠ | ♦2 | = | -1 |
| +2.3 | Round of 16 | CHINA MIXED | 21 | 3♣ | ♦J | +1 | +1 |
| +2.1 | Round of 32 | SWISS TEAM | 24 | 4♥x | ♦A | -1 | +0 |
| +1.9 | Round of 32 | SWISS TEAM | 18 | 3♣ | ♦3 | +1 | +0 |
| +1.1 | Round of 32 | SWISS TEAM | 20 | 4♠ | ♥A | +1 | +1 |
| +0.7 | Round of 32 | SWISS TEAM | 21 | 1NT | ♥4 | -1 | +0 |
| +0.6 | Round of 16 | CHINA MIXED | 17 | 1♠ | ♣4 | +2 | +0 |
| +0.5 | Round of 32 | SWISS TEAM | 16 | 1NT | ♣4 | = | +2 |
| +0.5 | Round of 32 | SWISS TEAM | 22 | 5♣ | ♠6 | = | +1 |
| +0.1 | Round of 16 | CHINA MIXED | 28 | 2♠ | ♦Q | +1 | +0 |
| -0.8 | Round of 32 | SWISS TEAM | 27 | 3NT | ♦2 | +1 | +0 |
| -1.2 | Round of 16 | CHINA MIXED | 18 | 3NT | ♠8 | = | +0 |
| -1.7 | Round of 16 | CHINA MIXED | 26 | 2NT | ♦3 | -2 | -2 |
| -1.9 | Round of 16 | CHINA MIXED | 19 | 5♣ | ♠3 | = | +0 |
| -2.2 | Round of 32 | SWISS TEAM | 25 | 3♥ | ♦9 | = | +0 |
| -3.1 | Round of 32 | SWISS TEAM | 23 | 6♠ | ♥K | = | +0 |
| -3.5 | Round of 16 | CHINA MIXED | 27 | 3♣ | ♠Q | = | +0 |
| -4.2 | Round of 16 | CHINA MIXED | 20 | 1NT | ♣4 | -3 | -5 |
| -4.3 | Round of 16 | CHINA MIXED | 16 | 2♥ | ♣8 | +1 | +0 |
| -4.6 | Round of 16 | CHINA MIXED | 24 | 4♥ | ♠K | = | -1 |
| -4.7 | Round of 32 | SWISS TEAM | 15 | 1NT | ♣4 | +4 | -5 |
| -5.9 | Round of 16 | CHINA MIXED | 22 | 1NTx | ♥3 | = | -3 |
| -6.0 | Round of 16 | CHINA MIXED | 25 | 2♥ | ♠5 | = | -11 |
| -7.9 | Round of 16 | CHINA MIXED | 15 | 3NT | ♦Q | = | +2 |