🇵🇱 SOBCZAK Mateusz · POLAND
vs par split: bidding -1.50 · play +0.12
Strength of schedule: opponents averaged +1.02/bd (a tough draw) → opponent-adjusted -1.32/bd
Card play — on target: opening leads 71.4% · declarer play 55.6% · defence 88.9%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (2) | 100.0% (5) |
| Declarer play | 0.0% (1) | 62.5% (8) |
| Defence | 66.7% (3) | 93.3% (15) |
Opening leads by suit led: ♠ 33.3% (3) · ♦ 100.0% (3) · ♣ 100.0% (1)
vs par by strain: NT -5.50 (6) · a suit -0.42 (26)
vs par by level: part-score -0.30 (10) · game -2.44 (18) · slam +0.75 (4)
By role: declaring -2.21/bd (-4.00 vs par · 14) · defending -2.44/bd (+0.67 vs par · 18)
By vulnerability: vulnerable -2.74/bd (-1.19 vs par · 16) · not vulnerable -1.94/bd (-1.56 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | P.Marcinowski | K.Rosenberg – B.Kristensen | Open | 16 | -45.2 | -2.83 | -1.44 |
| Quarterfinal | P.Marcinowski | C.Duffie – S.Youngquist | Closed | 16 | -29.7 | -1.86 | -1.31 |
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 |
|---|---|---|---|---|---|---|---|
| +8.7 | Quarterfinal | SIVY B | 25 | 2NTx | ♥7 | -2 | +8 |
| +8.6 | Quarterfinal | SIVY B | 18 | 4♠ | ♣3 | -2 | +11 |
| +3.7 | Quarterfinal | SIVY B | 24 | 4♠ | ♥4 | = | +0 |
| +3.0 | Quarterfinal | SIVY B | 12 | 5♣ | ♥8 | +1 | -11 |
| +2.4 | Quarterfinal | SIVY B | 31 | 1♠ | ♦6 | -1 | -1 |
| +2.0 | Quarterfinal | SIVY B | 19 | 1NT | ♣2 | -2 | +1 |
| +1.1 | Quarterfinal | SIVY B | 1 | 2♠ | ♣K | +1 | +0 |
| +0.1 | Quarterfinal | SIVY B | 29 | 4♠ | ♦J | +1 | -13 |
| -0.3 | Quarterfinal | SIVY B | 4 | 4♥ | ♣J | +1 | +0 |
| -0.4 | Quarterfinal | SIVY B | 13 | 4♠ | ♦4 | +3 | +17 |
| -0.6 | Quarterfinal | SIVY B | 11 | 4♠ | ♣K | -3 | -2 |
| -0.7 | Quarterfinal | SIVY B | 5 | 4♠x | ♦A | -3 | +0 |
| -0.9 | Quarterfinal | SIVY B | 21 | 4♥ | ♦5 | +1 | +10 |
| -0.9 | Quarterfinal | SIVY B | 30 | 3♦ | ♠5 | -2 | -5 |
| -1.0 | Quarterfinal | SIVY B | 7 | 3♥ | ♠K | = | +0 |
| -1.1 | Quarterfinal | SIVY B | 22 | 2♣ | ♠A | +1 | +0 |
| -1.7 | Quarterfinal | SIVY B | 16 | 3NT | ♠Q | +1 | -7 |
| -1.9 | Quarterfinal | SIVY B | 10 | 7♦ | ♠4 | = | +2 |
| -2.0 | Quarterfinal | SIVY B | 3 | 4♥ | ♦A | = | +0 |
| -3.3 | Quarterfinal | SIVY B | 15 | 4♠ | ♣7 | -1 | -5 |
| -3.6 | Quarterfinal | SIVY B | 2 | 2♠ | ♦J | -3 | -1 |
| -4.4 | Quarterfinal | SIVY B | 23 | 4♠ | ♦A | -2 | -3 |
| -4.6 | Quarterfinal | SIVY B | 20 | 4♣x | ♠Q | -1 | -10 |
| -5.3 | Quarterfinal | SIVY B | 32 | 4♥ | ♦Q | +1 | -1 |
| -5.9 | Quarterfinal | SIVY B | 14 | 6♦ | ♠J | +1 | +11 |
| -6.1 | Quarterfinal | SIVY B | 9 | 5♣ | ♠A | = | -5 |
| -7.3 | Quarterfinal | SIVY B | 28 | 2♠x | ♥A | -3 | +5 |
| -8.1 | Quarterfinal | SIVY B | 8 | 3NT | ♠Q | -3 | -10 |
| -8.1 | Quarterfinal | SIVY B | 17 | 6♣ | ♠A | = | +2 |
| -10.6 | Quarterfinal | SIVY B | 26 | 3NTx | ♠10 | +1 | -13 |
| -12.0 | Quarterfinal | SIVY B | 27 | 6NT | ♣2 | -4 | -12 |
| -13.7 | Quarterfinal | SIVY B | 6 | 4♥ | ♠K | = | -12 |