ZHUANG Zejun · SAIC
vs par split: bidding +0.00 · play +0.21
Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted +0.62/bd
Card play — on target: opening leads 100.0% #1 of 187 · declarer play 63.6% #142 of 187 · defence 100.0% #1 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 100.0% (4) |
| Declarer play | 66.7% (3) | 62.5% (8) |
| Defence | 100.0% (1) | 100.0% (9) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (1) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT +1.50 (6) · a suit -0.14 (22)
vs par by level: part-score +0.22 (9) · game +0.21 (19)
By role: declaring +0.44/bd (+0.00 vs par · 18) · defending +0.71/bd (+0.60 vs par · 10)
By vulnerability: vulnerable +0.04/bd (+0.46 vs par · 13) · not vulnerable +0.97/bd (+0.00 vs par · 15)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Wang | J.Wang – J.Liu | Open | 7 | +4.9 | +0.70 | +2.14 |
| Round 2 | W.Wang | D.Yu – A.Zhu | Open | 7 | -1.8 | -0.26 | +1.00 |
| Round 6 | W.Wang | R.Welland – S.Auken | Closed | 7 | +0.2 | +0.03 | -2.86 |
| Round 8 | W.Wang | M.Cichocki – D.Hocheker | Closed | 7 | +11.7 | +1.67 | +0.57 |
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 |
|---|---|---|---|---|---|---|---|
| +7.9 | Round 8 | HAUGE | 26 | 4♥x | ♠2 | -3 | +5 |
| +6.9 | Round 8 | HAUGE | 27 | 2♥x | ♠6 | -1 | +8 |
| +6.0 | Round 6 | SALVO | 9 | 3♠ | ♦3 | = | -11 |
| +4.8 | Round 1 | CHIME | 3 | 5♦x | ♥K | -2 | +10 |
| +4.8 | Round 8 | HAUGE | 25 | 4♥ | ♠2 | +1 | +0 |
| +3.2 | Round 6 | SALVO | 11 | 3NT | ♦A | = | -2 |
| +3.0 | Round 6 | SALVO | 8 | 2♠ | ♥3 | +2 | +1 |
| +2.8 | Round 1 | CHIME | 5 | 1NT | ♦7 | +1 | +6 |
| +2.0 | Round 2 | YUNNAN | 10 | 4♠ | ♦7 | +1 | +0 |
| +1.7 | Round 2 | YUNNAN | 12 | 4♥ | ♣7 | = | +0 |
| +1.7 | Round 2 | YUNNAN | 13 | 3NT | ♦6 | +4 | +2 |
| +1.5 | Round 8 | HAUGE | 22 | 4♥ | ♠10 | +1 | +0 |
| +1.4 | Round 1 | CHIME | 2 | 3NT | ♠K | +2 | +1 |
| +1.4 | Round 2 | YUNNAN | 14 | 4♠ | ♣J | +1 | +14 |
| +1.3 | Round 1 | CHIME | 7 | 3♠ | ♥3 | +1 | +1 |
| +1.3 | Round 6 | SALVO | 14 | 4♥ | ♣3 | -2 | -1 |
| +0.7 | Round 1 | CHIME | 4 | 2♥ | ♠7 | -1 | -1 |
| -0.2 | Round 6 | SALVO | 10 | 3NT | ♦7 | = | +1 |
| -0.7 | Round 8 | HAUGE | 23 | 3NT | ♠10 | +1 | +1 |
| -0.9 | Round 2 | YUNNAN | 9 | 2♦ | ♦3 | -3 | -5 |
| -1.1 | Round 1 | CHIME | 6 | 5♥ | ♣Q | = | +0 |
| -1.9 | Round 8 | HAUGE | 28 | 3♥ | ♣Q | = | +0 |
| -2.3 | Round 2 | YUNNAN | 11 | 5♥ | ♦A | = | +0 |
| -2.5 | Round 6 | SALVO | 12 | 2♣ | ♠K | -3 | +3 |
| -5.0 | Round 1 | CHIME | 1 | 4♠x | ♥9 | -3 | -2 |
| -5.4 | Round 2 | YUNNAN | 8 | 4♥ | ♦2 | -1 | -4 |
| -6.8 | Round 8 | HAUGE | 24 | 4♥ | ♦4 | -1 | -10 |
| -10.6 | Round 6 | SALVO | 13 | 4♠x | ♥A | = | -11 |