MICHALSKI Jakub · POLAND U16
vs par split: bidding -0.44 · play -0.54
Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -0.73/bd
Card play — on target: opening leads 78.3% #281 of 428 · declarer play 57.9% #401 of 428 · defence 78.3% #336 of 428
Bidding activity — not a pass: 40.9% #317 of 428 (94/230)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 78.9% (19) |
| Declarer play | 33.3% (3) | 62.5% (16) |
| Defence | 44.4% (9) | 86.5% (37) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 66.7% (6) · ♦ 100.0% (4) · ♣ 60.0% (5)
vs par by strain: NT -2.69 (16) · a suit -0.55 (64)
vs par by level: part-score -0.74 (31) · game -1.44 (43) · slam +1.17 (6)
By role: declaring -0.65/bd (-3.79 vs par · 34) · defending -0.91/bd (+1.11 vs par · 46)
By vulnerability: vulnerable -0.45/bd (-0.28 vs par · 40) · not vulnerable -1.16/bd (-1.68 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Blicharz | L.Lantaron – L.Mingot | Open | 10 | +16.9 | +1.69 | +4.30 |
| Round 2 | H.Ozibko | M.Larsen – D.Brandgaard | Closed | 10 | -43.3 | -4.33 | -6.40 |
| Round 4 | B.Mroz | H.Georgescu – A.Negoescu | Open | 10 | +0.7 | +0.07 | -1.20 |
| Round 5 | M.Prokopowicz | S.Bilde – M.Bilde | Open | 10 | -31.9 | -3.19 | -4.10 |
| Round 6 | M.Blicharz | T.Stryszawski – J.Gawron | Open | 10 | -2.4 | -0.24 | -1.00 |
| Round 7 | H.Ozibko | R.Zaleski – D.Attanasio | Closed | 10 | +8.9 | +0.89 | -1.80 |
| Round 9 | B.Mroz | P.Pabst – M.Guendel | Open | 10 | +16.3 | +1.63 | +3.00 |
| Round 10 | M.Prokopowicz | S.Li – H.Koo | Open | 10 | -29.4 | -2.94 | -0.60 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 4 | AMBRA | 9 | 6♣x | ♥J | -1 | +11 |
| +10.5 | Round 4 | AMBRA | 8 | 7♥ | ♦J | -1 | +14 |
| +7.7 | Round 1 | MSV | 7 | 5♠x | ♣K | -2 | +12 |
| +7.2 | Round 7 | BRENO | 2 | 6♠ | ♠7 | +1 | -13 |
| +6.7 | Round 9 | CARDSAGAINSTURSANITY | 21 | 4♠ | ♥5 | = | +10 |
| +6.3 | Round 4 | AMBRA | 7 | 4♠ | ♣Q | -1 | +6 |
| +6.3 | Round 6 | CKIS SKAWINA WISLA | 22 | 4♥ | ♠A | -1 | +6 |
| +5.9 | Round 6 | CKIS SKAWINA WISLA | 27 | 3NT | ♣9 | = | +0 |
| +5.8 | Round 1 | MSV | 4 | 3♥ | ♠4 | +1 | +10 |
| +5.5 | Round 7 | BRENO | 8 | 6♠ | ♦Q | +1 | -11 |
| +5.3 | Round 9 | CARDSAGAINSTURSANITY | 28 | 3NT | ♦A | -1 | +10 |
| +4.9 | Round 1 | MSV | 6 | 2♥ | ♦5 | = | +6 |
| +4.9 | Round 4 | AMBRA | 2 | 4♠x | ♥5 | -1 | -5 |
| +4.4 | Round 9 | CARDSAGAINSTURSANITY | 29 | 2♠ | ♥8 | = | +6 |
| +3.7 | Round 1 | MSV | 3 | 3♥ | ♠Q | +1 | +7 |
| +3.1 | Round 5 | GUPTA | 20 | 5♣ | ♠K | = | -13 |
| +2.5 | Round 1 | MSV | 5 | 4♠ | ♦6 | = | +0 |
| +2.3 | Round 7 | BRENO | 7 | 3♦ | ♠5 | -5 | +9 |
| +2.1 | Round 9 | CARDSAGAINSTURSANITY | 23 | 3♦ | ♥A | -4 | +5 |
| +1.9 | Round 9 | CARDSAGAINSTURSANITY | 25 | 3NT | ♥K | = | -1 |
| +1.8 | Round 7 | BRENO | 5 | 2♠ | ♦Q | +1 | +1 |
| +1.7 | Round 1 | MSV | 10 | 1NT | ♠T | = | -1 |
| +1.4 | Round 1 | MSV | 1 | 1NT | ♦6 | +4 | +12 |
| +1.2 | Round 4 | AMBRA | 5 | 4♠x | ♥A | -1 | -5 |
| +1.2 | Round 7 | BRENO | 6 | 2♥ | ♣T | -1 | +0 |
| +1.0 | Round 9 | CARDSAGAINSTURSANITY | 30 | 3♣ | ♠Q | +3 | +6 |
| +0.6 | Round 6 | CKIS SKAWINA WISLA | 23 | 3NT | ♣6 | = | +2 |
| +0.6 | Round 7 | BRENO | 9 | 4♥ | ♦8 | +1 | +0 |
| +0.5 | Round 7 | BRENO | 4 | 2♥ | ♥3 | -2 | +2 |
| +0.5 | Round 9 | CARDSAGAINSTURSANITY | 22 | 4♥ | ♦2 | = | +1 |
| +0.4 | Round 5 | GUPTA | 13 | 4♠ | ♣J | +1 | +13 |
| +0.4 | Round 5 | GUPTA | 19 | 3♥ | ♠3 | = | +1 |
| +0.4 | Round 6 | CKIS SKAWINA WISLA | 30 | 4♥ | ♥6 | +1 | +0 |
| +0.2 | Round 7 | BRENO | 1 | 4♠ | ♥K | = | +0 |
| +0.1 | Round 1 | MSV | 8 | 2♠ | ♥5 | -1 | -1 |
| -0.1 | Round 2 | DEAD BIRDS CLUB | 15 | 3♥ | ♦7 | = | -10 |
| -0.1 | Round 6 | CKIS SKAWINA WISLA | 28 | 2♣ | ♣4 | -1 | +0 |
| -0.1 | Round 10 | BANANAS | 6 | 2♠ | ♦A | +2 | -6 |
| -0.2 | Round 10 | BANANAS | 8 | 5♣ | ♥7 | -1 | +5 |
| -0.6 | Round 2 | DEAD BIRDS CLUB | 16 | 1NT | ♠9 | -1 | -4 |
| -0.9 | Round 10 | BANANAS | 7 | 3♥ | ♣K | -1 | -6 |
| -1.0 | Round 2 | DEAD BIRDS CLUB | 17 | 2NT | ♠Q | -2 | -5 |
| -1.0 | Round 6 | CKIS SKAWINA WISLA | 26 | 3♦ | ♦6 | = | +0 |
| -1.0 | Round 9 | CARDSAGAINSTURSANITY | 26 | 4♠ | ♠6 | +1 | +0 |
| -1.3 | Round 10 | BANANAS | 4 | 4♠ | ♣3 | +1 | +0 |
| -1.5 | Round 2 | DEAD BIRDS CLUB | 19 | 5♠ | ♦6 | = | +0 |
| -1.6 | Round 10 | BANANAS | 3 | 3NT | ♦T | +3 | -1 |
| -1.7 | Round 6 | CKIS SKAWINA WISLA | 24 | 3♠ | ♣5 | = | -1 |
| -1.8 | Round 5 | GUPTA | 16 | 6♥ | ♠7 | +1 | -1 |
| -1.8 | Round 9 | CARDSAGAINSTURSANITY | 24 | 4♥x | ♦2 | -2 | +0 |
| -2.1 | Round 5 | GUPTA | 17 | 2♠ | ♥2 | = | -5 |
| -2.2 | Round 10 | BANANAS | 1 | 2♥ | ♠7 | = | +0 |
| -2.4 | Round 2 | DEAD BIRDS CLUB | 11 | 4♠ | ♥2 | -1 | -10 |
| -2.4 | Round 5 | GUPTA | 12 | 4♠ | ♥9 | +1 | +0 |
| -2.5 | Round 6 | CKIS SKAWINA WISLA | 25 | 3NT | ♥6 | = | +1 |
| -2.7 | Round 7 | BRENO | 3 | 2♠ | ♥A | = | -6 |
| -2.8 | Round 9 | CARDSAGAINSTURSANITY | 27 | 3♥ | ♣3 | +1 | -7 |
| -2.8 | Round 10 | BANANAS | 5 | 4♠ | ♦2 | +1 | +4 |
| -3.2 | Round 4 | AMBRA | 10 | 3♠ | ♥J | +1 | -1 |
| -3.4 | Round 5 | GUPTA | 14 | 2♠ | ♦Q | +1 | -6 |
| -3.7 | Round 4 | AMBRA | 1 | 5♠ | ♥K | -3 | -6 |
| -3.9 | Round 2 | DEAD BIRDS CLUB | 12 | 4♥ | ♦T | -2 | -8 |
| -4.0 | Round 6 | CKIS SKAWINA WISLA | 21 | 4♥ | ♠6 | -2 | -8 |
| -4.1 | Round 1 | MSV | 9 | 4♥ | ♠K | = | +1 |
| -4.2 | Round 10 | BANANAS | 9 | 5♣ | ♣3 | = | +0 |
| -4.8 | Round 5 | GUPTA | 11 | 3♠ | ♣A | -3 | -6 |
| -5.7 | Round 2 | DEAD BIRDS CLUB | 18 | 4♥ | ♣4 | +1 | -1 |
| -6.3 | Round 6 | CKIS SKAWINA WISLA | 29 | 3NT | ♠7 | -3 | -10 |
| -6.8 | Round 1 | MSV | 2 | 4♥ | ♥3 | = | -3 |
| -7.3 | Round 4 | AMBRA | 6 | 4♠ | ♦5 | = | -3 |
| -7.6 | Round 10 | BANANAS | 10 | 2♥ | ♦3 | -3 | -9 |
| -7.7 | Round 7 | BRENO | 10 | 4♥ | ♣K | +1 | +0 |
| -7.9 | Round 5 | GUPTA | 15 | 3NT | ♥8 | = | -10 |
| -8.1 | Round 2 | DEAD BIRDS CLUB | 13 | 3NT | ♠4 | -2 | -8 |
| -8.5 | Round 10 | BANANAS | 2 | 6♥x | ♠3 | = | +7 |
| -9.2 | Round 2 | DEAD BIRDS CLUB | 14 | 3NT | ♦K | = | -7 |
| -9.9 | Round 4 | AMBRA | 4 | 5♥ | ♠J | +1 | -13 |
| -10.8 | Round 2 | DEAD BIRDS CLUB | 20 | 3NT | ♥4 | +1 | -11 |
| -10.8 | Round 4 | AMBRA | 3 | 3NT | ♠8 | = | -10 |
| -13.4 | Round 5 | GUPTA | 18 | 3♦x | ♥J | -4 | -14 |