PIETRZAK Jakub · WROBELKI
350rank
-57.6Butler · 90 bds
-0.64per board
±3.8swing
-0.32vs par /bd · #244/398
-0.63adjusted /bd
by round
vs par split: bidding +0.13 · play -0.46
Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -0.63/bd
Card play — on target: opening leads 80.0% #196 of 397 · declarer play 76.0% #208 of 398 · defence 82.1% #263 of 398
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 80.0% (20) |
| Declarer play | 85.7% (7) | 72.2% (18) |
| Defence | 77.8% (9) | 83.3% (30) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 75.0% (8) · ♦ 83.3% (6) · ♣ 100.0% (4)
vs par by strain: NT -1.52 (23) · a suit +0.09 (67)
vs par by level: part-score +0.08 (36) · game -0.86 (51) · slam +4.00 (3)
By role: declaring -1.30/bd (-2.84 vs par · 51) · defending +0.23/bd (+2.97 vs par · 39)
By vulnerability: vulnerable -0.94/bd (+0.06 vs par · 47) · not vulnerable -0.31/bd (-0.74 vs par · 43)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Gwozdz | A.Allfrey – A.Robson | Open | 10 | -5.0 | -0.50 | +2.90 |
| Round 2 | E.Gwozdz | D.Kulpinski – A.Proczkowski | Open | 10 | -3.2 | -0.32 | +0.00 |
| Round 3 | E.Gwozdz | K.Bathurst – J.Hurd | Open | 10 | -28.2 | -2.82 | -4.30 |
| Round 4 | E.Gwozdz | S.Magnusson – J.Amiguet | Open | 10 | -12.8 | -1.28 | -2.10 |
| Round 6 | M.Gwozdz | G.Picard – D.Gerin | Open | 10 | +23.7 | +2.37 | +3.50 |
| Round 7 | M.Gwozdz | A.Samant – A.Tikare | Open | 10 | +9.4 | +0.94 | +1.20 |
| Round 8 | E.Gwozdz | J.Jansma – C.Willenken | Open | 10 | +1.1 | +0.11 | -0.70 |
| Round 9 | M.Gwozdz | G.Kemeny – P.Trenka | Open | 10 | -25.5 | -2.55 | -1.20 |
| Round 10 | E.Gwozdz | D.Von Arnim – G.Joel | Open | 10 | -17.1 | -1.71 | -2.20 |
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 |
|---|---|---|---|---|---|---|---|
| +9.9 | Round 6 | GWADA | 25 | 4♠ | ♥6 | +3 | +14 |
| +7.9 | Round 6 | GWADA | 28 | 4♥ | ♥10 | = | +11 |
| +5.7 | Round 7 | EXPOSURE | 3 | 4♠ | ♥7 | = | +7 |
| +5.3 | Round 8 | ROSENTHAL | 2 | 3NT | ♥Q | -2 | +8 |
| +4.9 | Round 6 | GWADA | 23 | 5♣ | ♦4 | -1 | +12 |
| +4.5 | Round 6 | GWADA | 29 | 1NT | ♥5 | +3 | +9 |
| +4.2 | Round 2 | GONZO GALICJA | 17 | 4♠ | ♣3 | -1 | +10 |
| +4.1 | Round 8 | ROSENTHAL | 4 | 4♥ | ♥8 | -1 | +6 |
| +4.0 | Round 4 | LAUSANNE | 6 | 5♣ | ♠A | -1 | +5 |
| +3.9 | Round 7 | EXPOSURE | 8 | 4♠ | ♥4 | +2 | +11 |
| +3.1 | Round 6 | GWADA | 24 | 3♠ | ♥8 | = | +0 |
| +2.7 | Round 2 | GONZO GALICJA | 14 | 3♠ | ♥3 | -2 | +8 |
| +2.7 | Round 7 | EXPOSURE | 6 | 2♥ | ♠A | +2 | +10 |
| +2.6 | Round 1 | PERICULO | 7 | 4♣ | ♠A | = | +1 |
| +2.6 | Round 7 | EXPOSURE | 4 | 1NT | ♥6 | +3 | +2 |
| +2.6 | Round 8 | ROSENTHAL | 9 | 1NT | ♥5 | +1 | +0 |
| +2.5 | Round 1 | PERICULO | 2 | 3♠ | ♣A | -2 | +7 |
| +2.5 | Round 1 | PERICULO | 4 | 2♣ | ♦8 | -1 | +5 |
| +2.5 | Round 4 | LAUSANNE | 10 | 4♦ | ♣A | -1 | +11 |
| +2.3 | Round 2 | GONZO GALICJA | 15 | 1NT | ♦K | = | +0 |
| +2.2 | Round 9 | BRIDGE 42 | 20 | 7♥ | ♠A | -2 | +14 |
| +2.1 | Round 8 | ROSENTHAL | 3 | 4♠ | ♣J | -1 | -2 |
| +1.9 | Round 7 | EXPOSURE | 2 | 3♦ | ♥7 | -1 | +5 |
| +1.7 | Round 9 | BRIDGE 42 | 18 | 3NT | ♣6 | = | -1 |
| +1.6 | Round 8 | ROSENTHAL | 6 | 3NT | ♣K | +4 | -12 |
| +1.5 | Round 8 | ROSENTHAL | 8 | 3♠ | ♠2 | +1 | +6 |
| +1.4 | Round 2 | GONZO GALICJA | 18 | 5♠x | ♦A | -1 | +0 |
| +1.4 | Round 7 | EXPOSURE | 5 | 3NT | ♠K | +3 | +14 |
| +1.3 | Round 6 | GWADA | 26 | 5♠ | ♥6 | = | +0 |
| +1.2 | Round 3 | SPECTOR | 24 | 4♠ | ♠5 | = | +0 |
| +1.1 | Round 1 | PERICULO | 6 | 4♠ | ♥A | -2 | +5 |
| +0.9 | Round 1 | PERICULO | 5 | 3♠ | ♥3 | -1 | +6 |
| +0.5 | Round 9 | BRIDGE 42 | 17 | 4♠ | ♣3 | +1 | +0 |
| +0.4 | Round 10 | YOSHKA | 29 | 4♥ | ♦K | +1 | +0 |
| +0.2 | Round 9 | BRIDGE 42 | 13 | 3♥ | ♠7 | = | +0 |
| +0.2 | Round 10 | YOSHKA | 25 | 4♣ | ♠3 | = | +7 |
| -0.0 | Round 1 | PERICULO | 1 | 4♠ | ♦K | = | +0 |
| -0.1 | Round 1 | PERICULO | 10 | 2♦ | ♣3 | = | +0 |
| -0.2 | Round 7 | EXPOSURE | 9 | 5♠x | ♣A | -2 | -5 |
| -0.2 | Round 10 | YOSHKA | 28 | 2♦ | ♥Q | = | +1 |
| -0.3 | Round 3 | SPECTOR | 27 | 4♥ | ♠3 | = | -1 |
| -0.3 | Round 9 | BRIDGE 42 | 12 | 5♠x | ♥K | -3 | +12 |
| -0.5 | Round 4 | LAUSANNE | 2 | 4♠ | ♣5 | +2 | -11 |
| -0.5 | Round 9 | BRIDGE 42 | 11 | 3NT | ♦4 | -2 | -6 |
| -0.5 | Round 10 | YOSHKA | 21 | 2♣ | ♣3 | = | -1 |
| -0.5 | Round 10 | YOSHKA | 27 | 3NT | ♦2 | +2 | -14 |
| -0.6 | Round 6 | GWADA | 22 | 5♥ | ♠A | -2 | +0 |
| -0.8 | Round 8 | ROSENTHAL | 7 | 2♠ | ♦Q | = | -1 |
| -0.9 | Round 3 | SPECTOR | 22 | 3NT | ♠7 | +1 | -4 |
| -0.9 | Round 4 | LAUSANNE | 1 | 3♥ | ♠Q | = | +0 |
| -0.9 | Round 4 | LAUSANNE | 7 | 3NT | ♥10 | = | +0 |
| -0.9 | Round 10 | YOSHKA | 24 | 3NT | ♦4 | = | -2 |
| -1.0 | Round 4 | LAUSANNE | 3 | 4♥ | ♦10 | -1 | -3 |
| -1.1 | Round 3 | SPECTOR | 28 | 3NT | ♥4 | = | +0 |
| -1.1 | Round 10 | YOSHKA | 30 | 3NT | ♣3 | = | -1 |
| -1.2 | Round 3 | SPECTOR | 25 | 4♥ | ♣3 | +2 | -11 |
| -1.3 | Round 2 | GONZO GALICJA | 11 | 2♠ | ♥A | = | +0 |
| -1.4 | Round 2 | GONZO GALICJA | 19 | 3♦ | ♣K | +2 | -6 |
| -1.4 | Round 4 | LAUSANNE | 4 | 3♣ | ♠10 | -3 | -8 |
| -1.6 | Round 3 | SPECTOR | 29 | 3NT | ♠6 | +1 | -1 |
| -1.6 | Round 6 | GWADA | 27 | 1NT | ♣5 | +2 | -1 |
| -1.7 | Round 7 | EXPOSURE | 1 | 2♠ | ♦J | +2 | -6 |
| -1.8 | Round 4 | LAUSANNE | 5 | 3♥ | ♦A | -2 | -5 |
| -1.9 | Round 7 | EXPOSURE | 10 | 4♥ | ♠3 | +2 | -13 |
| -2.0 | Round 2 | GONZO GALICJA | 13 | 2♠ | ♥Q | = | +1 |
| -2.2 | Round 2 | GONZO GALICJA | 12 | 4♥ | ♥5 | +1 | +0 |
| -2.2 | Round 4 | LAUSANNE | 8 | 4♠x | ♦J | -2 | +3 |
| -2.4 | Round 2 | GONZO GALICJA | 20 | 3NT | ♥6 | -1 | -3 |
| -2.5 | Round 6 | GWADA | 21 | 3♥ | ♣2 | -1 | -10 |
| -2.7 | Round 1 | PERICULO | 9 | 5♠ | ♣4 | -2 | +0 |
| -2.7 | Round 3 | SPECTOR | 30 | 2NT | ♦6 | -1 | -4 |
| -2.8 | Round 9 | BRIDGE 42 | 14 | 3♥ | ♥3 | -1 | -4 |
| -3.2 | Round 6 | GWADA | 30 | 5♥ | ♣2 | -2 | +0 |
| -4.0 | Round 8 | ROSENTHAL | 1 | 2NT | ♣2 | -2 | -6 |
| -4.0 | Round 10 | YOSHKA | 23 | 3NT | ♣7 | = | +0 |
| -4.0 | Round 10 | YOSHKA | 26 | 5♣ | ♥8 | +1 | -5 |
| -4.4 | Round 8 | ROSENTHAL | 5 | 3NT | ♥10 | -2 | -6 |
| -4.5 | Round 2 | GONZO GALICJA | 16 | 4♥ | ♦7 | -1 | -10 |
| -4.9 | Round 1 | PERICULO | 8 | 3♠ | ♦3 | = | -6 |
| -5.0 | Round 7 | EXPOSURE | 7 | 4♠ | ♥8 | -2 | -13 |
| -5.4 | Round 3 | SPECTOR | 26 | 3♠ | ♦Q | -2 | -2 |
| -5.7 | Round 3 | SPECTOR | 23 | 1NT | ♦2 | -2 | -7 |
| -6.5 | Round 10 | YOSHKA | 22 | 4♠ | ♦9 | -2 | -7 |
| -6.9 | Round 1 | PERICULO | 3 | 6♦ | ♠6 | = | +11 |
| -6.9 | Round 8 | ROSENTHAL | 10 | 4♥ | ♠2 | = | +0 |
| -7.7 | Round 9 | BRIDGE 42 | 16 | 4♠ | ♦A | = | -7 |
| -8.8 | Round 9 | BRIDGE 42 | 19 | 3♠ | ♦7 | -5 | -9 |
| -10.0 | Round 9 | BRIDGE 42 | 15 | 4♠ | ♣J | -1 | -11 |
| -10.5 | Round 3 | SPECTOR | 21 | 6♠ | ♦A | -1 | -13 |
| -10.6 | Round 4 | LAUSANNE | 9 | 4♠ | ♠7 | +2 | -13 |