MICHALSKI Jakub · CKIS SKAWINA U12
15rank
-61.9Butler · 84 bds
-0.74per board
±5.5swing
-1.70vs par /bd · #15/18
-0.59adjusted /bd
by round
vs par split: bidding -1.61 · play -0.10
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted -0.59/bd
Card play — on target: opening leads 68.4% #17 of 18 · declarer play 88.9% #4 of 18 · defence 75.9% #13 of 18
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 40.0% (5) | 78.6% (14) |
| Declarer play | 71.4% (7) | 100.0% (11) |
| Defence | 76.5% (17) | 75.7% (37) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 57.1% (7) · ♦ 66.7% (3) · ♣ 66.7% (6)
vs par by strain: NT -1.75 (28) · a suit -1.68 (56)
vs par by level: part-score -2.33 (21) · game -1.25 (56) · slam -3.43 (7)
By role: declaring +0.03/bd (-4.27 vs par · 30) · defending -1.17/bd (-0.28 vs par · 54)
By vulnerability: vulnerable -0.77/bd (-2.40 vs par · 43) · not vulnerable -0.70/bd (-0.98 vs par · 41)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Semifinal | F.Stezala | B.Zhang – A.Chen | Open | 12 | -4.8 | -0.40 | -1.92 |
| Semifinal | F.Stezala | J.Xiao – E.Xiao | Closed | 12 | -8.4 | -0.70 | +0.67 |
| Semifinal | F.Stezala | E.Xiao – J.Xiao | Open | 12 | +4.6 | +0.38 | -2.00 |
| Semifinal | F.Stezala | B.Zhang – A.Chen | Open | 12 | -36.0 | -3.00 | -6.00 |
| Final | F.Stezala | A.Bukat – J.Trojak | Open | 12 | +3.4 | +0.28 | +0.00 |
| Final | F.Stezala | K.Kisielewski – M.Klimiuk | Closed | 12 | -20.0 | -1.67 | -2.50 |
| Final | F.Stezala | A.Bukat – J.Trojak | Open | 12 | -0.7 | -0.06 | -0.17 |
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 | Semifinal | USS UNSINKABLE | 6 | 3♦x | ♣K | = | +13 |
| +11.3 | Semifinal | USS UNSINKABLE | 27 | 4♠x | ♥7 | -2 | +9 |
| +11.0 | Semifinal | USS UNSINKABLE | 9 | 5♥ | ♣A | -2 | +11 |
| +11.0 | Final | CKIS SKAWINA U15 | 27 | 6NT | ♥8 | -2 | +11 |
| +10.7 | Final | CKIS SKAWINA U15 | 11 | 6♥ | ♠Q | -1 | +13 |
| +10.0 | Final | CKIS SKAWINA U15 | 18 | 2NT | ♥10 | -3 | +10 |
| +7.3 | Semifinal | USS UNSINKABLE | 20 | 2♣x | ♥K | -1 | +1 |
| +6.7 | Semifinal | USS UNSINKABLE | 26 | 4♠x | ♥K | +1 | +6 |
| +6.3 | Semifinal | USS UNSINKABLE | 23 | 4♠x | ♦10 | +1 | +7 |
| +5.7 | Semifinal | USS UNSINKABLE | 12 | 4♥ | ♦9 | -1 | +6 |
| +5.3 | Final | CKIS SKAWINA U15 | 1 | 4♠ | ♦5 | -1 | +5 |
| +5.0 | Semifinal | USS UNSINKABLE | 37 | 2♠ | ♦6 | -1 | +5 |
| +5.0 | Final | CKIS SKAWINA U15 | 30 | 3NT | ♣4 | -1 | +11 |
| +4.3 | Semifinal | USS UNSINKABLE | 28 | 3NT | ♥J | +2 | +0 |
| +3.7 | Final | CKIS SKAWINA U15 | 19 | 2♣ | ♠K | +1 | -10 |
| +3.3 | Final | CKIS SKAWINA U15 | 5 | 6♦ | ♣A | = | -2 |
| +3.3 | Final | CKIS SKAWINA U15 | 33 | 4♠ | ♥A | -1 | +5 |
| +3.0 | Final | CKIS SKAWINA U15 | 12 | 3NT | ♠10 | = | +0 |
| +3.0 | Final | CKIS SKAWINA U15 | 36 | 3NT | ♥10 | -1 | +6 |
| +2.7 | Semifinal | USS UNSINKABLE | 1 | 5♦ | ♠3 | -1 | +5 |
| +2.3 | Final | CKIS SKAWINA U15 | 22 | 5♠x | ♥A | -1 | +0 |
| +2.0 | Semifinal | USS UNSINKABLE | 14 | 3NT | ♠J | = | -1 |
| +2.0 | Semifinal | USS UNSINKABLE | 39 | 4♥ | ♠J | -2 | +6 |
| +1.7 | Final | CKIS SKAWINA U15 | 9 | 5♦ | ♥A | -2 | -5 |
| +1.7 | Final | CKIS SKAWINA U15 | 10 | 4♥ | ♠6 | -1 | +6 |
| +1.3 | Semifinal | USS UNSINKABLE | 34 | 4♥ | ♣J | +2 | -13 |
| +1.0 | Semifinal | USS UNSINKABLE | 35 | 4♠ | ♥10 | +1 | +0 |
| +1.0 | Final | CKIS SKAWINA U15 | 26 | 3NT | ♦6 | +1 | -1 |
| +1.0 | Final | CKIS SKAWINA U15 | 31 | 3NT | ♦10 | = | +1 |
| +0.7 | Semifinal | USS UNSINKABLE | 11 | 5♣ | ♦A | -1 | -2 |
| +0.7 | Final | CKIS SKAWINA U15 | 13 | 5♦ | ♥A | -2 | +5 |
| +0.3 | Semifinal | USS UNSINKABLE | 18 | 3♠ | ♣10 | = | -7 |
| +0.3 | Semifinal | USS UNSINKABLE | 29 | 5♥ | ♠A | = | +0 |
| +0.3 | Semifinal | USS UNSINKABLE | 32 | 2NT | ♠A | = | -1 |
| +0.0 | Semifinal | USS UNSINKABLE | 16 | 3NT | ♣10 | = | +1 |
| +0.0 | Semifinal | USS UNSINKABLE | 17 | 4♠ | ♦K | = | +0 |
| -0.0 | Semifinal | USS UNSINKABLE | 25 | 3NT | ♥6 | +2 | -10 |
| -0.0 | Semifinal | USS UNSINKABLE | 41 | 5♥ | ♦Q | +1 | -9 |
| -0.0 | Semifinal | USS UNSINKABLE | 43 | 4♥ | ♠A | +1 | -8 |
| -0.0 | Semifinal | USS UNSINKABLE | 45 | 4♠ | ♣Q | = | +0 |
| -0.0 | Semifinal | USS UNSINKABLE | 47 | 3NT | ♠5 | -1 | -15 |
| -0.0 | Final | CKIS SKAWINA U15 | 4 | 4♥ | ♣2 | = | +0 |
| -0.3 | Final | CKIS SKAWINA U15 | 2 | 3NT | ♠6 | +1 | +0 |
| -0.7 | Final | CKIS SKAWINA U15 | 20 | 2♥ | ♠Q | -2 | +0 |
| -1.0 | Semifinal | USS UNSINKABLE | 13 | 3NT | ♠Q | +1 | +0 |
| -1.0 | Semifinal | USS UNSINKABLE | 21 | 3♦ | ♠10 | +1 | +11 |
| -1.0 | Semifinal | USS UNSINKABLE | 46 | 3NT | ♥2 | = | -2 |
| -1.0 | Final | CKIS SKAWINA U15 | 15 | 3♠ | ♥Q | -1 | -5 |
| -1.7 | Final | CKIS SKAWINA U15 | 32 | 3♥ | ♦K | = | -1 |
| -2.7 | Semifinal | USS UNSINKABLE | 33 | 2♥ | ♥K | +1 | -6 |
| -2.7 | Final | CKIS SKAWINA U15 | 3 | 3♣ | ♠Q | = | -5 |
| -3.0 | Semifinal | USS UNSINKABLE | 8 | 4♥ | ♣10 | +2 | -2 |
| -3.0 | Semifinal | USS UNSINKABLE | 15 | 3NT | ♥4 | +2 | +10 |
| -3.0 | Semifinal | USS UNSINKABLE | 19 | 2♦ | ♣10 | = | -5 |
| -3.0 | Semifinal | USS UNSINKABLE | 42 | 3NT | ♦Q | -2 | -13 |
| -3.0 | Final | CKIS SKAWINA U15 | 17 | 4♠ | ♣A | = | -3 |
| -3.0 | Final | CKIS SKAWINA U15 | 28 | 6NT | ♥10 | -2 | -13 |
| -3.3 | Semifinal | USS UNSINKABLE | 31 | 4♥ | ♣5 | = | +0 |
| -3.3 | Final | CKIS SKAWINA U15 | 7 | 3NT | ♠6 | +1 | +0 |
| -3.3 | Final | CKIS SKAWINA U15 | 34 | 4♠ | ♦A | = | -10 |
| -4.0 | Final | CKIS SKAWINA U15 | 16 | 3♦ | ♣Q | +2 | -11 |
| -4.0 | Final | CKIS SKAWINA U15 | 25 | 6♦ | ♦10 | = | -9 |
| -4.3 | Semifinal | USS UNSINKABLE | 4 | 6♠ | ♣8 | +1 | -13 |
| -4.7 | Semifinal | USS UNSINKABLE | 7 | 1NT | ♥A | +2 | -6 |
| -4.7 | Final | CKIS SKAWINA U15 | 24 | 3NT | ♥7 | +2 | -2 |
| -5.0 | Semifinal | USS UNSINKABLE | 2 | 4♠ | ♥A | +1 | -8 |
| -5.3 | Semifinal | USS UNSINKABLE | 10 | 1♥ | ♥2 | +5 | -9 |
| -5.3 | Semifinal | USS UNSINKABLE | 30 | 2♣ | ♥8 | +1 | -5 |
| -5.3 | Final | CKIS SKAWINA U15 | 14 | 3NT | ♥2 | +2 | +0 |
| -5.3 | Final | CKIS SKAWINA U15 | 35 | 3NT | ♠Q | = | +1 |
| -6.0 | Semifinal | USS UNSINKABLE | 38 | 3♥ | ♠5 | +1 | -12 |
| -6.3 | Final | CKIS SKAWINA U15 | 6 | 1NT | ♥8 | = | -5 |
| -7.0 | Semifinal | USS UNSINKABLE | 22 | 4♠ | ♥K | -3 | -7 |
| -7.0 | Semifinal | USS UNSINKABLE | 44 | 4♠ | ♣A | = | +0 |
| -7.3 | Semifinal | USS UNSINKABLE | 5 | 6♦x | ♠A | -1 | -11 |
| -7.7 | Final | CKIS SKAWINA U15 | 29 | 5♦ | ♠3 | = | -3 |
| -8.0 | Semifinal | USS UNSINKABLE | 3 | 4♠ | ♥A | = | -7 |
| -8.0 | Final | CKIS SKAWINA U15 | 21 | 3♥ | ♠J | -1 | -1 |
| -9.3 | Semifinal | USS UNSINKABLE | 24 | 4♠ | ♣8 | +2 | -2 |
| -9.3 | Semifinal | USS UNSINKABLE | 36 | 5♣x | ♦A | -4 | -4 |
| -9.7 | Final | CKIS SKAWINA U15 | 8 | 3NT | ♥7 | = | -7 |
| -10.0 | Final | CKIS SKAWINA U15 | 23 | 4♥ | ♣3 | = | -13 |
| -13.0 | Semifinal | USS UNSINKABLE | 40 | 3NT | ♣7 | +2 | -11 |
| -13.0 | Semifinal | USS UNSINKABLE | 48 | 3NT | ♥2 | -2 | -13 |