🇨🇳 ZHAO Ziwen · CHINA
vs par split: bidding -1.92 · play +0.33
Strength of schedule: opponents averaged +0.36/bd (a tough draw) → opponent-adjusted -1.16/bd
Card play — on target: opening leads 75.0% · declarer play 50.0% · defence 100.0%
Bidding activity — not a pass: 42.9% (12/28)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 75.0% (4) |
| Declarer play | 0.0% (1) | 66.7% (3) |
| Defence | · | 100.0% (6) |
Opening leads by suit led: ♥ 66.7% (3) · ♦ 100.0% (1)
vs par by strain: NT -4.00 (1) · a suit -1.36 (11)
vs par by level: part-score -1.33 (3) · game -4.00 (7) · slam +6.50 (2)
By role: declaring -1.63/bd (-2.67 vs par · 6) · defending -1.42/bd (-0.50 vs par · 6)
By vulnerability: vulnerable -0.63/bd (-2.00 vs par · 6) · not vulnerable -2.42/bd (-1.17 vs par · 6)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | Z.Zhu | A.Hemmer – Z.Meyer | Closed | 12 | -18.3 | -1.53 | -1.58 |
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 |
|---|---|---|---|---|---|---|---|
| +5.4 | Quarterfinal | 🇺🇸 USA1 | 31 | 6♥ | ♦J | = | +0 |
| +2.6 | Quarterfinal | 🇺🇸 USA1 | 29 | 7♥ | ♠J | -2 | +13 |
| +1.0 | Quarterfinal | 🇺🇸 USA1 | 33 | 4♥x | ♣4 | -1 | +0 |
| +0.3 | Quarterfinal | 🇺🇸 USA1 | 25 | 4♠ | ♥T | = | +0 |
| -0.0 | Quarterfinal | 🇺🇸 USA1 | 28 | 4♠ | ♥A | +1 | +0 |
| -0.1 | Quarterfinal | 🇺🇸 USA1 | 32 | 4♥ | ♦K | +1 | +1 |
| -0.4 | Quarterfinal | 🇺🇸 USA1 | 27 | 2♥ | ♦4 | +2 | +6 |
| -2.1 | Quarterfinal | 🇺🇸 USA1 | 30 | 4♠ | ♥A | = | -11 |
| -3.7 | Quarterfinal | 🇺🇸 USA1 | 35 | 2♦ | ♥5 | -2 | -6 |
| -4.0 | Quarterfinal | 🇺🇸 USA1 | 36 | 1NT | ♥2 | -1 | -4 |
| -7.7 | Quarterfinal | 🇺🇸 USA1 | 34 | 5♣ | ♠8 | -2 | -7 |
| -9.6 | Quarterfinal | 🇺🇸 USA1 | 26 | 5♦ | ♥5 | = | -11 |