BOCHENSKI Adolf · WITEK
vs par split: bidding +1.08 · play -0.62
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted +1.06/bd
Card play — on target: opening leads 85.7% · declarer play 50.0% · defence 90.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (3) | 75.0% (4) |
| Declarer play | 50.0% (2) | 50.0% (2) |
| Defence | 75.0% (4) | 100.0% (7) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 66.7% (3) · ♣ 100.0% (1)
vs par by strain: NT -0.89 (9) · a suit +1.27 (15)
vs par by level: part-score -0.12 (8) · game +0.75 (16)
By role: declaring -0.25/bd (-3.85 vs par · 13) · defending +2.52/bd (+5.54 vs par · 11)
By vulnerability: vulnerable +0.46/bd (+0.92 vs par · 12) · not vulnerable +1.58/bd (+0.00 vs par · 12)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 9 | M.Witek | J.Engel – D.Cohen | Open | 12 | -4.9 | -0.41 | -3.00 |
| Round 10 | M.Witek | L.Goldberg – U.Goldberg | Closed | 12 | +29.4 | +2.45 | +3.92 |
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 |
|---|---|---|---|---|---|---|---|
| +17.2 | Round 10 | CZTERECH SZWEDOW | 20 | 4♥x | ♦A | -4 | +15 |
| +7.5 | Round 9 | KALISH | 1 | 4♥ | ♣Q | -2 | +14 |
| +7.0 | Round 10 | CZTERECH SZWEDOW | 18 | 3NT | ♣2 | -1 | +6 |
| +3.2 | Round 9 | KALISH | 4 | 2♠ | ♥6 | = | +1 |
| +2.9 | Round 10 | CZTERECH SZWEDOW | 13 | 2♠ | ♥7 | = | +0 |
| +2.7 | Round 9 | KALISH | 7 | 4♠ | ♦A | = | +0 |
| +2.3 | Round 10 | CZTERECH SZWEDOW | 15 | 2♠ | ♥Q | +1 | +7 |
| +1.8 | Round 10 | CZTERECH SZWEDOW | 21 | 1NT | ♦3 | +1 | +6 |
| +1.4 | Round 9 | KALISH | 8 | 3♥ | ♠9 | +1 | -6 |
| +1.0 | Round 10 | CZTERECH SZWEDOW | 17 | 4♠ | ♦J | +2 | +1 |
| +0.9 | Round 10 | CZTERECH SZWEDOW | 14 | 4♠ | ♠2 | +2 | -11 |
| +0.9 | Round 10 | CZTERECH SZWEDOW | 19 | 3NT | ♠4 | -1 | +10 |
| +0.6 | Round 10 | CZTERECH SZWEDOW | 24 | 4NT | ♥7 | +1 | +0 |
| +0.5 | Round 9 | KALISH | 11 | 3NT | ♥K | -2 | +5 |
| -0.4 | Round 9 | KALISH | 5 | 5♦ | ♣A | -1 | -5 |
| -0.4 | Round 9 | KALISH | 12 | 4♦ | ♠A | = | -7 |
| -0.5 | Round 10 | CZTERECH SZWEDOW | 23 | 4♥ | ♦K | +1 | +13 |
| -1.8 | Round 9 | KALISH | 6 | 3♠ | ♦7 | -1 | -2 |
| -2.2 | Round 10 | CZTERECH SZWEDOW | 22 | 1NT | ♠3 | -1 | +0 |
| -2.5 | Round 10 | CZTERECH SZWEDOW | 16 | 4♥ | ♠7 | +1 | +0 |
| -3.2 | Round 9 | KALISH | 2 | 3NT | ♦4 | -1 | -10 |
| -3.3 | Round 9 | KALISH | 3 | 3NT | ♥6 | -1 | -12 |
| -4.4 | Round 9 | KALISH | 10 | 4♥ | ♦A | -1 | -1 |
| -6.7 | Round 9 | KALISH | 9 | 3NT | ♠3 | -2 | -13 |