ZOCHOWSKA Joanna · LEIBOWITZ
vs par split: bidding -2.54 · play -0.54
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -2.08/bd
Card play — on target: opening leads 71.4% · declarer play 78.6% · defence 61.5%
Bidding activity — not a pass: 41.3% (31/75)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 66.7% (6) |
| Declarer play | 100.0% (4) | 70.0% (10) |
| Defence | 50.0% (2) | 63.6% (11) |
Opening leads by suit led: ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 33.3% (3)
vs par by strain: NT +0.50 (6) · a suit -4.04 (22)
vs par by level: part-score -2.07 (14) · game -4.07 (14)
By role: declaring -0.83/bd (-1.40 vs par · 15) · defending -3.55/bd (-5.00 vs par · 13)
By vulnerability: vulnerable -1.20/bd (-3.00 vs par · 14) · not vulnerable -2.98/bd (-3.14 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | T.Leibowitz | S.Sun – N.Wang | Open | 14 | -26.1 | -1.86 | -3.50 |
| Round of 32 | T.Leibowitz | C.Li – X.Zuo | Open | 14 | -32.4 | -2.31 | -2.64 |
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 |
|---|---|---|---|---|---|---|---|
| +6.7 | Round of 32 | QINGDAO SAILUN | 10 | 1NTx | ♦3 | = | +8 |
| +3.9 | Round of 32 | QINGDAO SAILUN | 37 | 4♦ | ♠Q | -3 | +8 |
| +3.0 | Round of 32 | QINGDAO SAILUN | 4 | 2♠ | ♦5 | +2 | -1 |
| +0.8 | Round of 32 | QINGDAO SAILUN | 41 | 1NT | ♦Q | = | +0 |
| +0.7 | Round of 32 | QINGDAO SAILUN | 35 | 3NT | ♠Q | +1 | +1 |
| +0.5 | Round of 32 | QINGDAO SAILUN | 36 | 4♥ | ♠9 | = | +3 |
| -0.5 | Round of 32 | QINGDAO SAILUN | 6 | 4♥ | ♠K | +2 | -11 |
| -0.5 | Round of 32 | QINGDAO SAILUN | 9 | 4♠x | ♥A | -2 | +5 |
| -0.6 | Round of 32 | QINGDAO SAILUN | 39 | 3NT | ♦5 | -2 | +0 |
| -1.0 | Round of 32 | QINGDAO SAILUN | 13 | 4♠ | ♥A | = | +0 |
| -1.0 | Round of 32 | QINGDAO SAILUN | 33 | 4♣ | ♦A | -1 | +1 |
| -1.1 | Round of 32 | QINGDAO SAILUN | 7 | 2♠ | ♥8 | +1 | -10 |
| -1.3 | Round of 32 | QINGDAO SAILUN | 40 | 2♠ | ♣J | = | -5 |
| -1.6 | Round of 32 | QINGDAO SAILUN | 3 | 3♦ | ♠A | -1 | +2 |
| -1.8 | Round of 32 | QINGDAO SAILUN | 42 | 4♣ | ♠9 | -1 | -4 |
| -2.0 | Round of 32 | QINGDAO SAILUN | 5 | 3♠ | ♦6 | -1 | -5 |
| -2.0 | Round of 32 | QINGDAO SAILUN | 11 | 4♥ | ♦7 | = | +1 |
| -2.1 | Round of 32 | QINGDAO SAILUN | 32 | 3♠ | ♣2 | +1 | -2 |
| -2.5 | Round of 32 | QINGDAO SAILUN | 30 | 1NT | ♣2 | +2 | -1 |
| -3.9 | Round of 32 | QINGDAO SAILUN | 14 | 4♠ | ♦4 | = | -8 |
| -4.5 | Round of 32 | QINGDAO SAILUN | 38 | 4♠x | ♦A | -1 | -8 |
| -4.7 | Round of 32 | QINGDAO SAILUN | 8 | 3NT | ♥5 | -1 | -5 |
| -5.1 | Round of 32 | QINGDAO SAILUN | 12 | 2♠ | ♥5 | = | -9 |
| -6.0 | Round of 32 | QINGDAO SAILUN | 1 | 4♥x | ♠J | -2 | -5 |
| -6.3 | Round of 32 | QINGDAO SAILUN | 29 | 4♠ | ♠5 | = | -7 |
| -7.4 | Round of 32 | QINGDAO SAILUN | 2 | 3♦ | ♥K | -2 | -11 |
| -7.9 | Round of 32 | QINGDAO SAILUN | 31 | 4♥ | ♣2 | +1 | -11 |
| -10.3 | Round of 32 | QINGDAO SAILUN | 34 | 4♠x | ♣5 | = | -12 |