MICHALSKI Jakub · POLAND U21 A
282rank
-24.4Butler · 98 bds
-0.25per board
±5.4swing
+0.42vs par /bd · #91/382
-0.35adjusted /bd
by round
vs par split: bidding +0.31 · play +0.11
Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted -0.35/bd
Card play — on target: opening leads 83.3% #120 of 382 · declarer play 77.8% #113 of 382 · defence 83.9% #316 of 382
Bidding activity — not a pass: 45.9% #79 of 382 (133/290)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 85.7% (21) |
| Declarer play | 60.0% (5) | 84.6% (13) |
| Defence | 83.3% (18) | 84.2% (38) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 72.7% (11) · ♦ 71.4% (7) · ♣ 100.0% (6)
vs par by strain: NT +1.74 (27) · a suit -0.09 (71)
vs par by level: part-score -0.34 (32) · game +1.02 (58) · slam -0.88 (8)
By role: declaring -0.35/bd (-2.17 vs par · 42) · defending -0.17/bd (+2.36 vs par · 56)
By vulnerability: vulnerable -0.59/bd (-0.22 vs par · 49) · not vulnerable +0.09/bd (+1.06 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Prokopowicz | M.Sainz De Vicuna – L.Lantaron | Open | 14 | +12.8 | +0.91 | +2.79 |
| Round 3 | M.Prokopowicz | P.Umshaus – C.Terraneo | Closed | 14 | -36.3 | -2.59 | -0.93 |
| Round 5 | M.Prokopowicz | M.Krasnosselski – M.Feofanov | Closed | 14 | +24.3 | +1.74 | +2.50 |
| Round 6 | M.Prokopowicz | A.Palma – A.Manno | Closed | 14 | -23.5 | -1.68 | -1.79 |
| Round 8 | M.Prokopowicz | T.Vidovic – F.Katusic | Open | 14 | +2.5 | +0.18 | -0.71 |
| Round 10 | M.Prokopowicz | V.Kolding – F.Poulsen | Closed | 14 | +18.1 | +1.29 | +3.36 |
| Round 12 | M.Prokopowicz | J.Stoeckli – F.Stoeckli | Open | 14 | -22.3 | -1.59 | -2.29 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round 1 | VICUNA | 5 | 5♦x | ♠A | -3 | +14 |
| +9.3 | Round 5 | PROMAX | 12 | 4♠ | ♦6 | = | +7 |
| +9.1 | Round 1 | VICUNA | 2 | 3♥ | ♣K | = | +8 |
| +8.9 | Round 5 | PROMAX | 13 | 3NT | ♠J | -1 | +16 |
| +8.8 | Round 10 | TO BID OR NOT TO BID | 26 | 4♠ | ♥6 | -1 | +12 |
| +8.7 | Round 8 | CROATIA | 22 | 4♥ | ♠4 | = | +0 |
| +8.5 | Round 8 | CROATIA | 19 | 2NT | ♣9 | -1 | +10 |
| +8.4 | Round 6 | OVERDECK | 17 | 6♥ | ♠7 | -2 | +17 |
| +8.3 | Round 10 | TO BID OR NOT TO BID | 27 | 6♥ | ♦K | -2 | +11 |
| +8.2 | Round 10 | TO BID OR NOT TO BID | 15 | 4♠ | ♣Q | -1 | +12 |
| +7.9 | Round 3 | LOIBEN | 2 | 6♠ | ♥3 | -2 | +17 |
| +6.5 | Round 8 | CROATIA | 16 | 4♠ | ♣A | = | +11 |
| +5.9 | Round 10 | TO BID OR NOT TO BID | 24 | 3NT | ♠3 | = | +3 |
| +5.4 | Round 3 | LOIBEN | 5 | 3NT | ♦3 | = | +17 |
| +4.9 | Round 5 | PROMAX | 4 | 2♠ | ♣Q | -1 | +0 |
| +3.7 | Round 3 | LOIBEN | 8 | 3♦ | ♣6 | +1 | +0 |
| +3.6 | Round 1 | VICUNA | 3 | 3♦ | ♥6 | -1 | +4 |
| +3.6 | Round 8 | CROATIA | 25 | 3NT | ♥T | -1 | +5 |
| +3.4 | Round 1 | VICUNA | 6 | 5♦ | ♥A | = | -1 |
| +3.4 | Round 10 | TO BID OR NOT TO BID | 28 | 3NT | ♥5 | = | +0 |
| +3.2 | Round 5 | PROMAX | 5 | 4♥x | ♦A | -2 | +11 |
| +2.7 | Round 6 | OVERDECK | 24 | 2♠ | ♥9 | -1 | -2 |
| +2.5 | Round 1 | VICUNA | 1 | 4♥ | ♠T | -2 | +5 |
| +2.5 | Round 1 | VICUNA | 9 | 5♠ | ♣A | = | +0 |
| +2.5 | Round 8 | CROATIA | 21 | 3NT | ♥5 | +1 | +0 |
| +2.4 | Round 5 | PROMAX | 3 | 4♠ | ♣J | -1 | +5 |
| +2.4 | Round 5 | PROMAX | 6 | 1NT | ♠7 | = | +5 |
| +2.1 | Round 8 | CROATIA | 18 | 5♥ | ♠T | -2 | +2 |
| +2.0 | Round 12 | ISTARI | 28 | 3♥ | ♦7 | +2 | +3 |
| +1.9 | Round 8 | CROATIA | 27 | 2NT | ♦8 | -2 | +0 |
| +1.8 | Round 3 | LOIBEN | 13 | 4♠ | ♥A | = | +9 |
| +1.6 | Round 8 | CROATIA | 24 | 2NT | ♥4 | = | +0 |
| +1.5 | Round 8 | CROATIA | 17 | 4♦ | ♦A | = | +0 |
| +1.5 | Round 12 | ISTARI | 19 | 3♣ | ♦2 | = | +0 |
| +1.4 | Round 12 | ISTARI | 26 | 3♠ | ♠J | -1 | +0 |
| +1.3 | Round 10 | TO BID OR NOT TO BID | 16 | 3NT | ♥J | -2 | +11 |
| +1.2 | Round 6 | OVERDECK | 15 | 4♥ | ♦6 | +1 | +0 |
| +1.1 | Round 10 | TO BID OR NOT TO BID | 20 | 4♠ | ♣Q | = | +0 |
| +0.9 | Round 12 | ISTARI | 23 | 4♥ | ♦K | +1 | +0 |
| +0.8 | Round 5 | PROMAX | 2 | 1NT | ♦T | -1 | +0 |
| +0.8 | Round 12 | ISTARI | 21 | 3NT | ♦6 | = | +0 |
| +0.7 | Round 1 | VICUNA | 11 | 4♥ | ♣J | -1 | +6 |
| +0.7 | Round 8 | CROATIA | 26 | 4♠ | ♦K | = | -1 |
| +0.6 | Round 1 | VICUNA | 7 | 4NT | ♦4 | +3 | +12 |
| +0.4 | Round 3 | LOIBEN | 14 | 3♣ | ♥A | -1 | +3 |
| +0.4 | Round 5 | PROMAX | 8 | 3♣ | ♥A | -3 | +6 |
| +0.4 | Round 10 | TO BID OR NOT TO BID | 22 | 3NT | ♦3 | = | +11 |
| +0.2 | Round 6 | OVERDECK | 25 | 3♦ | ♣J | +1 | -1 |
| +0.1 | Round 1 | VICUNA | 13 | 4♠ | ♥2 | +1 | +13 |
| +0.0 | Round 3 | LOIBEN | 10 | 5♣ | ♥A | +1 | -13 |
| -0.0 | Round 12 | ISTARI | 25 | 1NT | ♥2 | +1 | +0 |
| -0.1 | Round 10 | TO BID OR NOT TO BID | 25 | 4♠ | ♣8 | +2 | +11 |
| -0.2 | Round 6 | OVERDECK | 28 | 3♠ | ♥2 | -1 | +2 |
| -0.3 | Round 1 | VICUNA | 4 | 4♠ | ♦6 | = | +1 |
| -0.3 | Round 6 | OVERDECK | 22 | 4♠ | ♥5 | +1 | -17 |
| -0.4 | Round 1 | VICUNA | 14 | 4♠ | ♥A | +1 | +0 |
| -0.5 | Round 5 | PROMAX | 11 | 2NT | ♠4 | +1 | +6 |
| -0.7 | Round 3 | LOIBEN | 4 | 4♠ | ♥8 | +1 | +0 |
| -0.7 | Round 5 | PROMAX | 9 | 3NT | ♥3 | +2 | +0 |
| -0.9 | Round 12 | ISTARI | 27 | 2♠ | ♥A | -1 | +1 |
| -1.1 | Round 5 | PROMAX | 7 | 1NT | ♥Q | -2 | -2 |
| -1.1 | Round 6 | OVERDECK | 27 | 2♠ | ♣3 | -1 | -2 |
| -1.1 | Round 10 | TO BID OR NOT TO BID | 17 | 2♥ | ♠A | +1 | -1 |
| -1.6 | Round 3 | LOIBEN | 11 | 5♦x | ♥5 | -1 | -5 |
| -1.6 | Round 12 | ISTARI | 24 | 4♥ | ♦2 | = | -3 |
| -1.8 | Round 5 | PROMAX | 1 | 4♥ | ♣4 | -1 | -3 |
| -1.8 | Round 5 | PROMAX | 10 | 4♥ | ♦7 | -1 | -6 |
| -1.8 | Round 12 | ISTARI | 16 | 3NT | ♥5 | +2 | +0 |
| -1.9 | Round 12 | ISTARI | 15 | 3♥ | ♦K | -1 | -4 |
| -2.1 | Round 5 | PROMAX | 14 | 2NT | ♥Q | -1 | -10 |
| -2.2 | Round 10 | TO BID OR NOT TO BID | 18 | 3♠ | ♦T | +1 | -6 |
| -2.6 | Round 6 | OVERDECK | 19 | 3NTx | ♦6 | -1 | +0 |
| -2.6 | Round 12 | ISTARI | 17 | 2♥x | ♣J | -3 | -2 |
| -2.9 | Round 3 | LOIBEN | 6 | 3NT | ♠6 | +1 | +0 |
| -3.1 | Round 12 | ISTARI | 22 | 2♥ | ♦9 | +1 | -6 |
| -3.3 | Round 1 | VICUNA | 8 | 4♠ | ♥T | +1 | -4 |
| -3.3 | Round 6 | OVERDECK | 20 | 2♥ | ♣3 | -1 | -5 |
| -3.4 | Round 6 | OVERDECK | 16 | 5♦ | ♦J | -1 | -5 |
| -3.5 | Round 10 | TO BID OR NOT TO BID | 23 | 4♥ | ♣2 | -1 | -6 |
| -4.0 | Round 6 | OVERDECK | 26 | 4♥ | ♠6 | +2 | -1 |
| -4.1 | Round 6 | OVERDECK | 23 | 5♣ | ♣T | +1 | +10 |
| -4.5 | Round 8 | CROATIA | 15 | 5♦ | ♥A | +1 | -2 |
| -4.5 | Round 10 | TO BID OR NOT TO BID | 21 | 4♠ | ♣7 | = | +0 |
| -4.6 | Round 8 | CROATIA | 20 | 3NT | ♥4 | = | +0 |
| -5.2 | Round 12 | ISTARI | 20 | 4♠ | ♣3 | +1 | -11 |
| -5.8 | Round 1 | VICUNA | 10 | 6♦x | ♠A | -1 | -13 |
| -5.8 | Round 3 | LOIBEN | 12 | 6♠ | ♣8 | = | +12 |
| -6.2 | Round 3 | LOIBEN | 3 | 3NT | ♠2 | = | -6 |
| -6.8 | Round 6 | OVERDECK | 18 | 4♠ | ♦A | -2 | -11 |
| -7.9 | Round 10 | TO BID OR NOT TO BID | 19 | 4♠ | ♥7 | = | -11 |
| -10.2 | Round 3 | LOIBEN | 9 | 1♠xx | ♠2 | = | -12 |
| -10.2 | Round 6 | OVERDECK | 21 | 4♠x | ♦Q | = | -10 |
| -10.5 | Round 8 | CROATIA | 28 | 7♦ | ♦6 | -1 | -16 |
| -11.8 | Round 12 | ISTARI | 18 | 3NT | ♥5 | = | -10 |
| -12.9 | Round 1 | VICUNA | 12 | 2♠x | ♥7 | +1 | -6 |
| -14.0 | Round 3 | LOIBEN | 1 | 6♣ | ♥5 | -2 | -14 |
| -14.1 | Round 3 | LOIBEN | 7 | 7NT | ♥K | -3 | -21 |
| -15.5 | Round 8 | CROATIA | 23 | 4♠x | ♠3 | = | -19 |