BERKOWITZ Lisa · BERKSMA
vs par split: bidding +0.70 · play +0.26
Strength of schedule: opponents averaged -0.64/bd (an easy draw) → opponent-adjusted +0.21/bd
Card play — on target: opening leads 87.5% · declarer play 50.0% · defence 80.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 100.0% (4) |
| Declarer play | 0.0% (1) | 66.7% (3) |
| Defence | 80.0% (5) | 80.0% (10) |
Opening leads by suit led: ♥ 66.7% (3) · ♦ 100.0% (2) · ♣ 100.0% (3)
vs par by strain: NT +1.29 (7) · a suit +1.57 (21)
vs par by level: part-score -0.38 (8) · game +2.28 (18) · slam +2.00 (2)
By role: declaring +1.06/bd (+0.50 vs par · 12) · defending +0.68/bd (+2.25 vs par · 16)
By vulnerability: vulnerable +2.39/bd (+2.21 vs par · 14) · not vulnerable -0.70/bd (+0.79 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | D.Berkowitz | A.Miyakuni – K.Miyakuni | Open | 14 | +46.7 | +3.34 | +5.29 |
| Quarterfinal | D.Berkowitz | M.Nowosadzki – K.Dufrat | Closed | 14 | -23.1 | -1.65 | -2.29 |
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 |
|---|---|---|---|---|---|---|---|
| +8.8 | Round of 16 | TAKK | 18 | 4♠ | ♦2 | +2 | +11 |
| +8.8 | Round of 16 | TAKK | 27 | 4♥ | ♠A | = | +11 |
| +8.4 | Round of 16 | TAKK | 20 | 6♣x | ♥A | -1 | +16 |
| +5.4 | Quarterfinal | SAKR | 25 | 4♠ | ♣3 | +1 | +1 |
| +5.2 | Round of 16 | TAKK | 26 | 4♠ | ♠5 | +2 | +5 |
| +4.7 | Round of 16 | TAKK | 22 | 3NT | ♣10 | -1 | +12 |
| +4.6 | Quarterfinal | SAKR | 27 | 4♣ | ♠9 | +1 | +7 |
| +3.5 | Round of 16 | TAKK | 21 | 2NT | ♣9 | = | +0 |
| +3.4 | Quarterfinal | SAKR | 16 | 4♠ | ♦K | +1 | +0 |
| +2.7 | Round of 16 | TAKK | 28 | 5♣ | ♥A | -1 | +5 |
| +2.5 | Round of 16 | TAKK | 23 | 5♣x | ♦3 | -1 | +7 |
| +1.9 | Round of 16 | TAKK | 16 | 4♠x | ♥A | -1 | +11 |
| +1.3 | Quarterfinal | SAKR | 23 | 4♠ | ♥6 | = | +0 |
| +0.7 | Round of 16 | TAKK | 24 | 2♥ | ♣3 | = | +0 |
| +0.7 | Round of 16 | TAKK | 25 | 4♥ | ♣10 | = | +0 |
| +0.3 | Round of 16 | TAKK | 17 | 3NT | ♣6 | +2 | +0 |
| +0.3 | Quarterfinal | SAKR | 26 | 4♥ | ♣2 | = | +0 |
| -0.3 | Quarterfinal | SAKR | 22 | 3♦ | ♥3 | +1 | +0 |
| -0.7 | Round of 16 | TAKK | 19 | 2♠ | ♥8 | +1 | -1 |
| -0.8 | Round of 16 | TAKK | 15 | 1NT | ♥2 | -1 | -3 |
| -1.3 | Quarterfinal | SAKR | 24 | 2♥ | ♣K | = | +0 |
| -1.4 | Quarterfinal | SAKR | 19 | 3NT | ♥2 | +1 | +0 |
| -3.1 | Quarterfinal | SAKR | 17 | 3NT | ♥2 | = | +1 |
| -4.4 | Quarterfinal | SAKR | 18 | 3NT | ♦5 | +2 | -1 |
| -4.6 | Quarterfinal | SAKR | 15 | 4♥ | ♦J | = | -11 |
| -5.1 | Quarterfinal | SAKR | 28 | 3♥ | ♠2 | +1 | -6 |
| -5.6 | Quarterfinal | SAKR | 20 | 4♥ | ♣2 | +1 | -11 |
| -12.3 | Quarterfinal | SAKR | 21 | 6♥ | ♦9 | -4 | -12 |