🇵🇱 ZAREMBA Jerzy · Poland
51rank
+1.5Butler · 100 bds
+0.01per board
±4.8swing
-0.67vs par /bd
+0.04adjusted /bd
by round
vs par split: bidding -0.96 · play +0.29
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.04/bd
Card play — on target: opening leads 81.8% · declarer play 73.9% · defence 83.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 83.3% (18) |
| Declarer play | 100.0% (5) | 66.7% (18) |
| Defence | 63.6% (11) | 89.5% (38) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 80.0% (5) · ♦ 100.0% (8) · ♣ 50.0% (6)
vs par by strain: NT +1.00 (23) · a suit -1.17 (77)
vs par by level: part-score -0.93 (40) · game -1.21 (52) · slam +4.12 (8)
By role: declaring +0.76/bd (-2.71 vs par · 51) · defending -0.76/bd (+1.45 vs par · 49)
By vulnerability: vulnerable +0.34/bd (-0.76 vs par · 50) · not vulnerable -0.31/bd (-0.58 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Zak | T.De Mendez – G.Zivkovic | Closed | 20 | +20.5 | +1.02 | -0.80 |
| Round 4 | P.Zak | B.Marina – I.Coldea | Open | 20 | -8.6 | -0.43 | -0.65 |
| Round 5 | P.Zak | G.Jones – D.Jones | Closed | 20 | -27.0 | -1.35 | -3.75 |
| Round 15 | P.Zak | P.Frangos – F.Tillyri | Closed | 20 | +16.9 | +0.84 | +1.25 |
| Round 17 | P.Zak | A.Gloyer – G.Kriftner | Open | 20 | -0.3 | -0.01 | +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 |
|---|---|---|---|---|---|---|---|
| +14.7 | Round 1 | 🇨🇭 Switzerland | 18 | 6♦ | ♠A | = | +0 |
| +14.3 | Round 17 | 🇦🇹 Austria | 3 | 1NTxx | ♣5 | = | +15 |
| +10.3 | Round 4 | 🇷🇴 Romania | 10 | 6♦ | ♥Q | -1 | +17 |
| +10.1 | Round 15 | 🇨🇾 Cyprus | 3 | 3NT | ♦7 | +2 | +14 |
| +9.9 | Round 15 | 🇨🇾 Cyprus | 5 | 4♠x | ♥6 | -1 | +11 |
| +8.9 | Round 15 | 🇨🇾 Cyprus | 13 | 4♣x | ♠K | -3 | +13 |
| +8.7 | Round 17 | 🇦🇹 Austria | 11 | 4♠x | ♥3 | = | +7 |
| +7.9 | Round 17 | 🇦🇹 Austria | 18 | 6♠ | ♦A | -1 | +12 |
| +6.3 | Round 1 | 🇨🇭 Switzerland | 12 | 4♥ | ♥6 | = | +0 |
| +6.1 | Round 1 | 🇨🇭 Switzerland | 17 | 5♥x | ♠A | -1 | +5 |
| +4.9 | Round 1 | 🇨🇭 Switzerland | 19 | 3NT | ♦7 | -4 | +11 |
| +4.7 | Round 1 | 🇨🇭 Switzerland | 14 | 2♥ | ♣10 | +2 | +6 |
| +4.3 | Round 4 | 🇷🇴 Romania | 11 | 2♥ | ♦10 | +2 | +7 |
| +4.3 | Round 17 | 🇦🇹 Austria | 10 | 6♠ | ♦J | +1 | +13 |
| +4.2 | Round 5 | 🏴 Wales | 15 | 5♣ | ♦K | +1 | -10 |
| +3.4 | Round 15 | 🇨🇾 Cyprus | 8 | 3NT | ♠3 | +1 | +0 |
| +3.1 | Round 5 | 🏴 Wales | 17 | 5♥ | ♠K | -2 | +5 |
| +2.9 | Round 4 | 🇷🇴 Romania | 17 | 3♦ | ♥K | -2 | -1 |
| +2.9 | Round 17 | 🇦🇹 Austria | 17 | 3NT | ♦J | +2 | +0 |
| +2.8 | Round 5 | 🏴 Wales | 11 | 3♣ | ♣2 | = | +0 |
| +2.8 | Round 15 | 🇨🇾 Cyprus | 7 | 4♥ | ♠K | = | +9 |
| +2.7 | Round 4 | 🇷🇴 Romania | 4 | 4♠ | ♦6 | -1 | -1 |
| +2.6 | Round 15 | 🇨🇾 Cyprus | 15 | 4♠ | ♣Q | +1 | +0 |
| +2.1 | Round 5 | 🏴 Wales | 14 | 2♥ | ♥K | +2 | +2 |
| +2.1 | Round 17 | 🇦🇹 Austria | 5 | 3NT | ♠4 | -3 | +10 |
| +2.0 | Round 17 | 🇦🇹 Austria | 19 | 3NT | ♠2 | +2 | -13 |
| +1.9 | Round 5 | 🏴 Wales | 7 | 6♦ | ♠2 | = | -2 |
| +1.9 | Round 15 | 🇨🇾 Cyprus | 2 | 3♦ | ♦A | -1 | -3 |
| +1.9 | Round 17 | 🇦🇹 Austria | 1 | 3♦ | ♥A | -2 | +0 |
| +1.7 | Round 15 | 🇨🇾 Cyprus | 20 | 1NT | ♠3 | +2 | +1 |
| +1.6 | Round 5 | 🏴 Wales | 16 | 5♦ | ♣8 | +1 | -11 |
| +1.6 | Round 15 | 🇨🇾 Cyprus | 12 | 4♥ | ♥6 | = | -1 |
| +1.6 | Round 17 | 🇦🇹 Austria | 2 | 1NT | ♠3 | +4 | -6 |
| +1.4 | Round 5 | 🏴 Wales | 1 | 4♥ | ♦4 | +1 | +4 |
| +1.3 | Round 1 | 🇨🇭 Switzerland | 7 | 1♠ | ♥10 | +2 | +10 |
| +1.3 | Round 1 | 🇨🇭 Switzerland | 10 | 4♠ | ♥8 | = | +0 |
| +1.3 | Round 4 | 🇷🇴 Romania | 2 | 2♦ | ♣6 | +1 | +0 |
| +1.2 | Round 5 | 🏴 Wales | 4 | 4♠ | ♥A | -1 | +9 |
| +1.1 | Round 1 | 🇨🇭 Switzerland | 16 | 3♠ | ♦Q | = | +7 |
| +1.1 | Round 5 | 🏴 Wales | 10 | 5♠ | ♥K | = | +1 |
| +0.7 | Round 4 | 🇷🇴 Romania | 6 | 4♠ | ♠7 | = | +3 |
| +0.6 | Round 17 | 🇦🇹 Austria | 16 | 2♠ | ♣10 | = | +7 |
| +0.5 | Round 1 | 🇨🇭 Switzerland | 2 | 4♠ | ♥J | -1 | -12 |
| +0.3 | Round 4 | 🇷🇴 Romania | 15 | 4♠ | ♣5 | +2 | -11 |
| +0.3 | Round 4 | 🇷🇴 Romania | 18 | 3NT | ♠8 | -2 | +0 |
| +0.3 | Round 17 | 🇦🇹 Austria | 4 | 3NT | ♥3 | +3 | -13 |
| +0.1 | Round 15 | 🇨🇾 Cyprus | 11 | 3♠ | ♠3 | = | +0 |
| +0.0 | Round 1 | 🇨🇭 Switzerland | 4 | 3♠ | ♣2 | -2 | -7 |
| -0.1 | Round 1 | 🇨🇭 Switzerland | 1 | 3NT | ♦6 | +1 | +0 |
| -0.1 | Round 1 | 🇨🇭 Switzerland | 9 | 2♥ | ♦K | +1 | +0 |
| -0.1 | Round 4 | 🇷🇴 Romania | 12 | 5♥ | ♠10 | = | +0 |
| -0.1 | Round 5 | 🏴 Wales | 5 | 4♠ | ♣10 | = | +0 |
| -0.1 | Round 15 | 🇨🇾 Cyprus | 9 | 1♠ | ♦A | +1 | +0 |
| -0.3 | Round 1 | 🇨🇭 Switzerland | 5 | 4♠ | ♥Q | = | +0 |
| -0.3 | Round 15 | 🇨🇾 Cyprus | 6 | 3NT | ♠9 | = | +2 |
| -0.4 | Round 4 | 🇷🇴 Romania | 13 | 2NT | ♥2 | = | +1 |
| -0.5 | Round 5 | 🏴 Wales | 13 | 4♠ | ♠2 | +2 | -13 |
| -0.7 | Round 1 | 🇨🇭 Switzerland | 15 | 4♥ | ♠2 | +2 | -13 |
| -0.7 | Round 4 | 🇷🇴 Romania | 20 | 2♦ | ♣3 | = | -1 |
| -0.7 | Round 17 | 🇦🇹 Austria | 12 | 1NT | ♥3 | +3 | +2 |
| -0.9 | Round 15 | 🇨🇾 Cyprus | 1 | 4♥ | ♣8 | +1 | -1 |
| -1.0 | Round 4 | 🇷🇴 Romania | 9 | 2NT | ♠5 | = | +0 |
| -1.1 | Round 4 | 🇷🇴 Romania | 14 | 3♠ | ♦A | = | +0 |
| -1.1 | Round 5 | 🏴 Wales | 3 | 2NT | ♦5 | +2 | -6 |
| -1.2 | Round 4 | 🇷🇴 Romania | 5 | 2♠ | ♣4 | = | +0 |
| -1.3 | Round 4 | 🇷🇴 Romania | 19 | 4♥ | ♣Q | +2 | -1 |
| -1.4 | Round 5 | 🏴 Wales | 12 | 5♣x | ♠A | -1 | -7 |
| -1.6 | Round 17 | 🇦🇹 Austria | 6 | 4♠ | ♦3 | -1 | -6 |
| -1.7 | Round 15 | 🇨🇾 Cyprus | 18 | 4♠ | ♣5 | = | -6 |
| -1.8 | Round 1 | 🇨🇭 Switzerland | 3 | 3♥ | ♠6 | = | +0 |
| -1.8 | Round 4 | 🇷🇴 Romania | 16 | 2♠ | ♦10 | = | -5 |
| -1.9 | Round 15 | 🇨🇾 Cyprus | 10 | 3NT | ♠5 | = | +13 |
| -2.0 | Round 5 | 🏴 Wales | 8 | 1NT | ♣6 | +2 | -2 |
| -2.2 | Round 15 | 🇨🇾 Cyprus | 17 | 2♠ | ♥10 | +2 | -6 |
| -2.2 | Round 15 | 🇨🇾 Cyprus | 19 | 2♠ | ♥10 | -1 | -1 |
| -2.4 | Round 17 | 🇦🇹 Austria | 9 | 4♠ | ♥9 | +2 | +11 |
| -2.7 | Round 4 | 🇷🇴 Romania | 3 | 2♥ | ♦Q | -1 | -6 |
| -2.9 | Round 5 | 🏴 Wales | 9 | 4♠x | ♦K | -1 | -6 |
| -2.9 | Round 17 | 🇦🇹 Austria | 8 | 3♠ | ♥A | +2 | -13 |
| -3.0 | Round 5 | 🏴 Wales | 18 | 2♠ | ♦3 | = | -12 |
| -3.1 | Round 1 | 🇨🇭 Switzerland | 6 | 1♥ | ♦K | = | -5 |
| -3.2 | Round 1 | 🇨🇭 Switzerland | 20 | 4♥ | ♦K | +1 | +0 |
| -3.3 | Round 15 | 🇨🇾 Cyprus | 14 | 4♥ | ♦10 | -2 | -5 |
| -3.6 | Round 17 | 🇦🇹 Austria | 13 | 3♥ | ♠5 | +1 | -7 |
| -3.7 | Round 1 | 🇨🇭 Switzerland | 8 | 3♥ | ♠5 | = | -7 |
| -3.7 | Round 1 | 🇨🇭 Switzerland | 11 | 3♣ | ♦3 | -1 | -3 |
| -3.7 | Round 1 | 🇨🇭 Switzerland | 13 | 5♣ | ♠J | -2 | -8 |
| -5.6 | Round 15 | 🇨🇾 Cyprus | 16 | 1NT | ♦2 | = | -6 |
| -5.9 | Round 17 | 🇦🇹 Austria | 7 | 4♥ | ♦Q | -2 | -8 |
| -6.2 | Round 4 | 🇷🇴 Romania | 1 | 3NT | ♠2 | +1 | -1 |
| -6.9 | Round 17 | 🇦🇹 Austria | 20 | 3NT | ♠8 | = | +1 |
| -7.2 | Round 4 | 🇷🇴 Romania | 8 | 4♠ | ♥4 | +3 | -14 |
| -7.5 | Round 5 | 🏴 Wales | 6 | 4♦ | ♠Q | -1 | -11 |
| -7.7 | Round 4 | 🇷🇴 Romania | 7 | 3NT | ♥4 | +1 | +0 |
| -7.9 | Round 15 | 🇨🇾 Cyprus | 4 | 4♥ | ♥8 | = | -9 |
| -8.3 | Round 5 | 🏴 Wales | 19 | 6♣ | ♦J | = | -7 |
| -9.6 | Round 5 | 🏴 Wales | 20 | 5♥x | ♦3 | -4 | -10 |
| -9.6 | Round 17 | 🇦🇹 Austria | 14 | 6♥ | ♦Q | = | +0 |
| -10.0 | Round 5 | 🏴 Wales | 2 | 4♠ | ♥7 | = | +1 |
| -13.3 | Round 17 | 🇦🇹 Austria | 15 | 6♠ | ♦Q | = | +0 |