PSZCZOLA Jacek · MAHAFFEY
vs par split: bidding -0.75 · play -1.46
Strength of schedule: opponents averaged -0.31/bd (an easy draw) → opponent-adjusted -0.58/bd
Card play — on target: opening leads 57.1% · declarer play 75.0% · defence 85.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 40.0% (5) |
| Declarer play | 100.0% (1) | 66.7% (3) |
| Defence | 75.0% (4) | 90.0% (10) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 0.0% (2) · ♦ 66.7% (3) · ♣ 100.0% (1)
vs par by strain: NT +0.25 (8) · a suit -3.44 (16)
vs par by level: part-score -0.62 (8) · game -2.13 (15) · slam -16.00 (1)
By role: declaring -0.45/bd (-3.90 vs par · 10) · defending -0.14/bd (-1.00 vs par · 14)
By vulnerability: vulnerable -1.16/bd (-4.25 vs par · 12) · not vulnerable +0.62/bd (-0.17 vs par · 12)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | M.Kwiecien | B.Westra – H.Bertens | Open | 12 | +4.8 | +0.40 | -3.17 |
| Round of 16 | M.Kwiecien | B.Westra – H.Bertens | Closed | 12 | -11.3 | -0.94 | -1.25 |
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 |
|---|---|---|---|---|---|---|---|
| +9.1 | Round of 16 | T ONSTEIN | 5 | 5♦x | ♠J | -5 | -8 |
| +6.9 | Round of 16 | T ONSTEIN | 8 | 4♥ | ♠A | = | +3 |
| +5.7 | Round of 16 | T ONSTEIN | 9 | 1NT | ♦8 | -2 | +7 |
| +3.8 | Round of 16 | T ONSTEIN | 17 | 3NT | ♣10 | = | +0 |
| +3.8 | Round of 16 | T ONSTEIN | 19 | 3♥ | ♣A | -2 | +3 |
| +1.1 | Round of 16 | T ONSTEIN | 3 | 3NT | ♦8 | +1 | +1 |
| +1.0 | Round of 16 | T ONSTEIN | 16 | 5♠ | ♥Q | = | +0 |
| +0.9 | Round of 16 | T ONSTEIN | 20 | 3NT | ♥6 | +2 | +1 |
| +0.9 | Round of 16 | T ONSTEIN | 24 | 1NT | ♣5 | = | -1 |
| -0.2 | Round of 16 | T ONSTEIN | 15 | 3♦ | ♥7 | +3 | +13 |
| -0.5 | Round of 16 | T ONSTEIN | 13 | 4♥ | ♦Q | = | -1 |
| -0.6 | Round of 16 | T ONSTEIN | 11 | 4♥ | ♣K | +1 | +0 |
| -0.9 | Round of 16 | T ONSTEIN | 7 | 2♠ | ♥9 | = | -1 |
| -1.1 | Round of 16 | T ONSTEIN | 2 | 3NT | ♠3 | +1 | -1 |
| -1.1 | Round of 16 | T ONSTEIN | 6 | 4♥ | ♦Q | = | -3 |
| -1.4 | Round of 16 | T ONSTEIN | 18 | 4♥ | ♦2 | = | -7 |
| -1.6 | Round of 16 | T ONSTEIN | 21 | 3NT | ♣5 | -2 | -3 |
| -2.3 | Round of 16 | T ONSTEIN | 1 | 3NT | ♠8 | -1 | -2 |
| -2.3 | Round of 16 | T ONSTEIN | 12 | 3♥ | ♠6 | = | -6 |
| -4.0 | Round of 16 | T ONSTEIN | 22 | 4♠ | ♣J | +1 | +0 |
| -4.8 | Round of 16 | T ONSTEIN | 10 | 6♣ | ♠K | -1 | -16 |
| -4.9 | Round of 16 | T ONSTEIN | 4 | 4♥ | ♣2 | -1 | -12 |
| -6.2 | Round of 16 | T ONSTEIN | 23 | 2♠ | ♥K | +2 | -10 |
| -7.8 | Round of 16 | T ONSTEIN | 14 | 3♠ | ♥K | = | -10 |