ZHANG Yu · ZHAO
vs par split: bidding -0.40 · play -1.25
Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted -1.41/bd
Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 90.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 100.0% (4) |
| Declarer play | · | 50.0% (2) |
| Defence | 100.0% (3) | 87.5% (8) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (3) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT +3.25 (4) · a suit -2.88 (16)
vs par by level: part-score -3.60 (10) · game -0.89 (9) · slam +11.00 (1)
By role: declaring -3.62/bd (-5.44 vs par · 9) · defending -0.12/bd (+1.46 vs par · 11)
By vulnerability: vulnerable -1.84/bd (-1.82 vs par · 11) · not vulnerable -1.52/bd (-1.44 vs par · 9)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Liu | T.Helness – G.Helgemo | Open | 10 | -18.2 | -1.82 | +0.80 |
| Round 6 | J.Liu | J.Kalita – M.Nowosadzki | Closed | 10 | -15.7 | -1.57 | -4.10 |
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 |
|---|---|---|---|---|---|---|---|
| +7.4 | Round 1 | ZIMMERMANN | 9 | 3NT | ♣7 | -1 | +10 |
| +7.0 | Round 1 | ZIMMERMANN | 5 | 3NT | ♥6 | -4 | +10 |
| +1.7 | Round 6 | PSZCZOLA | 6 | 2♠ | ♠4 | = | +0 |
| +1.2 | Round 1 | ZIMMERMANN | 1 | 3♠ | ♥J | = | +0 |
| +1.0 | Round 1 | ZIMMERMANN | 4 | 5♣ | ♥8 | +2 | +10 |
| +0.9 | Round 6 | PSZCZOLA | 8 | 2♥ | ♥4 | -1 | -1 |
| +0.7 | Round 6 | PSZCZOLA | 7 | 3♣ | ♥6 | +1 | +0 |
| -0.4 | Round 1 | ZIMMERMANN | 10 | 4♥ | ♠8 | +1 | +0 |
| -0.7 | Round 6 | PSZCZOLA | 4 | 2♥ | ♦10 | -1 | -11 |
| -0.7 | Round 6 | PSZCZOLA | 10 | 3NT | ♦Q | -1 | -6 |
| -1.8 | Round 6 | PSZCZOLA | 2 | 4♠x | ♥3 | -2 | -5 |
| -1.9 | Round 1 | ZIMMERMANN | 2 | 2♥ | ♦10 | +1 | +0 |
| -3.1 | Round 6 | PSZCZOLA | 9 | 2♦ | ♠K | -2 | -5 |
| -3.7 | Round 6 | PSZCZOLA | 5 | 4♥ | ♦6 | -1 | -5 |
| -3.8 | Round 1 | ZIMMERMANN | 3 | 6♠ | ♠4 | +1 | +11 |
| -3.9 | Round 6 | PSZCZOLA | 1 | 2NT | ♠4 | = | -1 |
| -5.1 | Round 6 | PSZCZOLA | 3 | 2♥ | ♣2 | +1 | -7 |
| -7.3 | Round 1 | ZIMMERMANN | 6 | 2♦ | ♣5 | +2 | -11 |
| -10.5 | Round 1 | ZIMMERMANN | 8 | 4♠x | ♥K | -4 | -9 |
| -10.9 | Round 1 | ZIMMERMANN | 7 | 4♥ | ♠6 | -2 | -13 |