JANISZEWSKI Przemyslaw · ZAWADA
110rank
+37.6Butler · 100 bds
+0.38per board
±4.3swing
+1.06vs par /bd · #46/478
+0.27adjusted /bd
by round
vs par split: bidding +0.92 · play +0.14
Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted +0.27/bd
Card play — on target: opening leads 68.2% #356 of 476 · declarer play 76.0% #267 of 478 · defence 88.7% #136 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 28.6% (7) | 86.7% (15) |
| Declarer play | 72.7% (11) | 78.6% (14) |
| Defence | 100.0% (15) | 84.2% (38) |
Opening leads by suit led: ♠ 20.0% (5) · ♥ 75.0% (8) · ♦ 66.7% (3) · ♣ 100.0% (6)
vs par by strain: NT +1.19 (32) · a suit +1.00 (68)
vs par by level: part-score +1.76 (45) · game +0.20 (50) · slam +3.40 (5)
By role: declaring +0.77/bd (-0.15 vs par · 47) · defending +0.03/bd (+2.13 vs par · 53)
By vulnerability: vulnerable -0.05/bd (+1.06 vs par · 52) · not vulnerable +0.83/bd (+1.06 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Golebiowski | V.Kiljan – L.Tijssen | Closed | 10 | -21.1 | -2.11 | +0.50 |
| Round 2 | S.Golebiowski | B.Cohen – G.Cohler | Open | 10 | -0.0 | -0.00 | +0.60 |
| Round 3 | S.Golebiowski | I.Delmonte – P.Dalley | Closed | 10 | +17.1 | +1.71 | +1.90 |
| Round 4 | S.Golebiowski | S.Hoyland – S.Hoyland | Closed | 10 | +11.0 | +1.10 | +2.00 |
| Round 5 | S.Golebiowski | E.Muzzio – H.Camberos | Closed | 10 | +14.7 | +1.47 | +2.80 |
| Round 6 | S.Golebiowski | J.Lall – S.Moss | Closed | 10 | +12.2 | +1.22 | +3.60 |
| Round 7 | S.Golebiowski | K.Bercuson – G.Mittelman | Closed | 10 | +6.1 | +0.61 | -1.60 |
| Round 8 | S.Golebiowski | S.Hult – D.Gold | Closed | 10 | -8.3 | -0.83 | +1.50 |
| Round 9 | S.Golebiowski | T.Verbeek – D.Molenaar | Closed | 10 | -0.9 | -0.09 | +0.50 |
| Round 10 | S.Golebiowski | M.Felmy – T.Gotard | Open | 10 | +6.8 | +0.68 | -1.20 |
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 |
|---|---|---|---|---|---|---|---|
| +12.3 | Round 7 | MITTELMAN | 13 | 7♠ | ♦7 | = | +15 |
| +12.1 | Round 3 | DALLEY | 10 | 3NT | ♥J | = | +10 |
| +9.8 | Round 1 | NETHERLANDS JUNIORS | 4 | 4♦ | ♥7 | +2 | +14 |
| +9.2 | Round 6 | MOSS | 2 | 2♠ | ♦8 | = | +12 |
| +8.9 | Round 5 | ARGENTINA | 24 | 5♦ | ♥A | +1 | +11 |
| +6.9 | Round 5 | ARGENTINA | 22 | 3NT | ♥10 | = | +7 |
| +6.9 | Round 10 | HAFFER | 27 | 4♥ | ♥2 | = | +0 |
| +6.3 | Round 4 | VIKING NATURAL | 19 | 4♥ | ♠A | = | +7 |
| +5.8 | Round 2 | MAHAFFEY | 20 | 3NT | ♥5 | -2 | +8 |
| +5.1 | Round 7 | MITTELMAN | 20 | 2♠ | ♥K | -1 | +6 |
| +4.7 | Round 6 | MOSS | 5 | 3♠ | ♥10 | = | +6 |
| +4.3 | Round 6 | MOSS | 9 | 2♣ | ♠A | -3 | +6 |
| +4.1 | Round 8 | SCHWARTZ | 3 | 3NT | ♦J | -2 | +13 |
| +4.0 | Round 1 | NETHERLANDS JUNIORS | 2 | 3♥ | ♥9 | -1 | +6 |
| +4.0 | Round 5 | ARGENTINA | 21 | 3NT | ♥Q | +3 | +11 |
| +3.8 | Round 3 | DALLEY | 2 | 4♠ | ♣A | -1 | +9 |
| +3.7 | Round 4 | VIKING NATURAL | 17 | 2♣ | ♦K | +3 | +7 |
| +3.7 | Round 6 | MOSS | 6 | 4♠ | ♣A | -2 | +5 |
| +3.6 | Round 5 | ARGENTINA | 27 | 1NT | ♥5 | +2 | +7 |
| +3.6 | Round 10 | HAFFER | 26 | 3NT | ♥10 | = | +0 |
| +3.3 | Round 6 | MOSS | 8 | 2♣ | ♣2 | +1 | +5 |
| +3.1 | Round 8 | SCHWARTZ | 4 | 4♥ | ♠9 | -1 | +6 |
| +3.0 | Round 4 | VIKING NATURAL | 14 | 2♠ | ♥9 | +1 | +6 |
| +2.5 | Round 4 | VIKING NATURAL | 20 | 1♠ | ♦A | +2 | +6 |
| +2.4 | Round 2 | MAHAFFEY | 14 | 2♥ | ♣5 | = | +5 |
| +2.4 | Round 3 | DALLEY | 6 | 3♣ | ♦2 | = | +0 |
| +2.4 | Round 7 | MITTELMAN | 16 | 6♠ | ♠10 | +1 | -11 |
| +2.4 | Round 9 | PDC | 15 | 4♠ | ♣6 | +2 | +1 |
| +2.4 | Round 10 | HAFFER | 30 | 2♥ | ♠10 | +1 | +1 |
| +2.2 | Round 4 | VIKING NATURAL | 12 | 4♣ | ♦4 | -2 | +0 |
| +2.1 | Round 5 | ARGENTINA | 28 | 2♥ | ♣Q | = | +0 |
| +1.8 | Round 7 | MITTELMAN | 17 | 2♥ | ♣J | = | +0 |
| +1.8 | Round 9 | PDC | 13 | 4NT | ♥10 | +1 | +0 |
| +1.8 | Round 10 | HAFFER | 21 | 3NT | ♥5 | +1 | +1 |
| +1.6 | Round 3 | DALLEY | 8 | 4♠ | ♣K | -1 | +4 |
| +1.6 | Round 8 | SCHWARTZ | 10 | 3♣ | ♥A | -1 | +0 |
| +1.5 | Round 8 | SCHWARTZ | 7 | 3♦ | ♣K | = | +10 |
| +1.4 | Round 9 | PDC | 14 | 1NT | ♦8 | = | -2 |
| +1.3 | Round 7 | MITTELMAN | 15 | 4♥ | ♣K | = | +0 |
| +1.2 | Round 7 | MITTELMAN | 12 | 2♣ | ♥J | +3 | +1 |
| +1.2 | Round 10 | HAFFER | 24 | 6NT | ♠J | = | +0 |
| +1.0 | Round 2 | MAHAFFEY | 19 | 4♠ | ♣J | -1 | +12 |
| +1.0 | Round 5 | ARGENTINA | 26 | 2♠ | ♦J | +1 | +0 |
| +0.8 | Round 5 | ARGENTINA | 29 | 3NT | ♥2 | +2 | +0 |
| +0.7 | Round 3 | DALLEY | 3 | 2NT | ♥3 | -1 | -3 |
| +0.7 | Round 6 | MOSS | 4 | 2♥ | ♦10 | -1 | +11 |
| +0.7 | Round 6 | MOSS | 10 | 3NT | ♥7 | -1 | +6 |
| +0.6 | Round 9 | PDC | 12 | 6♦ | ♣A | = | +2 |
| +0.6 | Round 10 | HAFFER | 29 | 5♦ | ♥A | = | +1 |
| +0.5 | Round 8 | SCHWARTZ | 6 | 3NT | ♠3 | = | +0 |
| +0.4 | Round 4 | VIKING NATURAL | 16 | 1NT | ♠J | -1 | +0 |
| +0.3 | Round 8 | SCHWARTZ | 9 | 3♠ | ♦A | +1 | +1 |
| +0.2 | Round 1 | NETHERLANDS JUNIORS | 1 | 3♥ | ♦A | -2 | -1 |
| +0.2 | Round 9 | PDC | 19 | 3♦ | ♠5 | +1 | -1 |
| +0.2 | Round 10 | HAFFER | 28 | 3♥ | ♣J | -1 | +2 |
| +0.1 | Round 2 | MAHAFFEY | 18 | 3NT | ♠Q | +1 | +0 |
| +0.0 | Round 2 | MAHAFFEY | 12 | 2♥ | ♣Q | = | -1 |
| -0.0 | Round 3 | DALLEY | 4 | 2♦ | ♥A | -1 | +0 |
| -0.0 | Round 3 | DALLEY | 9 | 3NT | ♥9 | = | -1 |
| +0.0 | Round 4 | VIKING NATURAL | 18 | 2♥ | ♣2 | = | +0 |
| -0.1 | Round 9 | PDC | 20 | 4♠ | ♥3 | +1 | +13 |
| -0.4 | Round 1 | NETHERLANDS JUNIORS | 10 | 4♥ | ♠7 | +1 | +0 |
| -0.4 | Round 5 | ARGENTINA | 25 | 3NT | ♥2 | +1 | +0 |
| -0.7 | Round 2 | MAHAFFEY | 13 | 4♥ | ♦J | +1 | +0 |
| -0.8 | Round 9 | PDC | 17 | 5♣x | ♥A | -2 | -4 |
| -0.8 | Round 9 | PDC | 18 | 1NT | ♥2 | = | +2 |
| -0.9 | Round 3 | DALLEY | 1 | 1NT | ♣5 | = | +1 |
| -0.9 | Round 3 | DALLEY | 7 | 5♣ | ♥10 | = | -1 |
| -1.2 | Round 8 | SCHWARTZ | 2 | 1NT | ♥8 | +2 | +6 |
| -1.3 | Round 8 | SCHWARTZ | 8 | 4♣ | ♦A | = | +0 |
| -1.5 | Round 2 | MAHAFFEY | 16 | 4♠ | ♥2 | +1 | -11 |
| -1.5 | Round 7 | MITTELMAN | 18 | 3NT | ♥5 | +2 | +0 |
| -1.6 | Round 2 | MAHAFFEY | 11 | 1NT | ♠8 | -3 | -1 |
| -1.7 | Round 3 | DALLEY | 5 | 2♥ | ♦K | = | +0 |
| -1.7 | Round 4 | VIKING NATURAL | 13 | 1NT | ♦10 | = | +1 |
| -1.7 | Round 10 | HAFFER | 25 | 3NT | ♥6 | +3 | -1 |
| -1.8 | Round 2 | MAHAFFEY | 17 | 3NT | ♠9 | +1 | +0 |
| -1.9 | Round 9 | PDC | 11 | 3NT | ♣Q | = | +1 |
| -2.0 | Round 5 | ARGENTINA | 30 | 4♠ | ♦5 | +2 | -2 |
| -2.1 | Round 4 | VIKING NATURAL | 11 | 4♣ | ♦K | +2 | -6 |
| -2.2 | Round 6 | MOSS | 3 | 3♠ | ♦7 | = | +0 |
| -2.3 | Round 6 | MOSS | 1 | 3♦ | ♠A | = | -5 |
| -2.4 | Round 1 | NETHERLANDS JUNIORS | 9 | 5♦ | ♣7 | = | +0 |
| -3.1 | Round 10 | HAFFER | 22 | 2♥ | ♠Q | +3 | -10 |
| -3.3 | Round 4 | VIKING NATURAL | 15 | 5♦ | ♣K | +1 | -1 |
| -3.6 | Round 7 | MITTELMAN | 11 | 3NT | ♠J | -2 | -6 |
| -3.7 | Round 2 | MAHAFFEY | 15 | 4♥ | ♠A | +1 | -6 |
| -3.7 | Round 9 | PDC | 16 | 5♠x | ♥3 | -3 | -7 |
| -3.8 | Round 1 | NETHERLANDS JUNIORS | 3 | 6♠ | ♣A | +1 | +11 |
| -4.1 | Round 1 | NETHERLANDS JUNIORS | 8 | 4♥ | ♣9 | = | +0 |
| -4.4 | Round 8 | SCHWARTZ | 1 | 3NT | ♠8 | +1 | -7 |
| -4.8 | Round 1 | NETHERLANDS JUNIORS | 5 | 1NTx | ♦A | -1 | -1 |
| -5.1 | Round 10 | HAFFER | 23 | 5♣ | ♦K | -1 | -6 |
| -5.9 | Round 7 | MITTELMAN | 14 | 4♠ | ♥2 | +2 | -11 |
| -7.0 | Round 7 | MITTELMAN | 19 | 4♥ | ♠2 | -1 | -10 |
| -9.5 | Round 1 | NETHERLANDS JUNIORS | 7 | 4♥ | ♠4 | -1 | -12 |
| -9.9 | Round 6 | MOSS | 7 | 4♥ | ♦6 | = | -10 |
| -10.1 | Round 1 | NETHERLANDS JUNIORS | 6 | 2♥ | ♠2 | -1 | -12 |
| -10.2 | Round 5 | ARGENTINA | 23 | 5♣x | ♦A | = | -6 |
| -12.5 | Round 8 | SCHWARTZ | 5 | 3NT | ♥K | -3 | -14 |