GAWRYS Piotr · MAZURKIEWICZ
13rank
+9.9Butler · 144 bds
+0.07per board
±4.6swing
+0.28vs par /bd · #5/16
+0.22adjusted /bd
by round
vs par split: bidding -0.13 · play +0.41
Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.22/bd
Card play — on target: opening leads 87.8% #5 of 16 · declarer play 88.2% #1 of 16 · defence 87.5% #7 of 16
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 81.8% (11) | 90.0% (30) |
| Declarer play | 85.7% (7) | 88.9% (27) |
| Defence | 90.5% (21) | 86.3% (51) |
Opening leads by suit led: ♠ 87.5% (8) · ♥ 72.7% (11) · ♦ 100.0% (10) · ♣ 91.7% (12)
vs par by strain: NT +0.41 (37) · a suit +0.23 (107)
vs par by level: part-score -0.37 (49) · game +0.45 (82) · slam +1.61 (13)
By role: declaring +0.89/bd (-2.24 vs par · 72) · defending -0.75/bd (+2.79 vs par · 72)
By vulnerability: vulnerable -0.23/bd (+0.15 vs par · 72) · not vulnerable +0.36/bd (+0.40 vs par · 72)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Quarterfinal | M.Klukowski | J.Backes – P.Bocken | Closed | 16 | -8.4 | -0.53 | -0.19 |
| Quarterfinal | M.Klukowski | J.Backes – P.Bocken | Closed | 16 | +1.9 | +0.12 | +0.81 |
| Quarterfinal | M.Klukowski | J.Backes – P.Bocken | Closed | 16 | +11.7 | +0.73 | +2.81 |
| Semifinal | M.Klukowski | A.Robson – D.Gold | Open | 16 | -15.6 | -0.97 | -0.25 |
| Semifinal | M.Klukowski | M.Michielsen – Z.Mahmood | Closed | 16 | -1.3 | -0.08 | -0.12 |
| Semifinal | M.Klukowski | D.Gold – A.Robson | Closed | 16 | +22.8 | +1.43 | +1.00 |
| Final | M.Klukowski | J.Kalita – M.Nowosadzki | Open | 16 | -3.4 | -0.21 | +1.06 |
| Final | M.Klukowski | J.Kalita – M.Nowosadzki | Open | 16 | -6.8 | -0.42 | -0.69 |
| Final | M.Klukowski | C.Ju – Z.Shi | Closed | 16 | +9.0 | +0.56 | -1.94 |
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 |
|---|---|---|---|---|---|---|---|
| +11.7 | Semifinal | PERCY | 28 | 6♠ | ♥5 | -4 | +14 |
| +10.6 | Quarterfinal | BRULIBU | 14 | 7NTx | ♠A | -2 | +13 |
| +10.4 | Quarterfinal | BRULIBU | 19 | 4♥ | ♦K | = | +10 |
| +9.7 | Final | JINSHUO | 10 | 4♥ | ♣5 | = | +3 |
| +9.0 | Quarterfinal | BRULIBU | 20 | 3♣ | ♥J | = | +11 |
| +8.0 | Quarterfinal | BRULIBU | 31 | 3NTx | ♥5 | +2 | +12 |
| +8.0 | Final | JINSHUO | 40 | 1♠x | ♥3 | -1 | +1 |
| +7.3 | Quarterfinal | BRULIBU | 8 | 3NT | ♥5 | = | +0 |
| +7.3 | Final | JINSHUO | 31 | 4♥ | ♦A | +2 | +11 |
| +7.0 | Semifinal | PERCY | 38 | 2♠x | ♥J | -3 | -12 |
| +7.0 | Semifinal | PERCY | 40 | 3NT | ♠4 | -1 | +8 |
| +7.0 | Final | JINSHUO | 34 | 4♠ | ♣3 | = | +0 |
| +6.9 | Quarterfinal | BRULIBU | 34 | 2♣ | ♥6 | = | +6 |
| +6.7 | Final | JINSHUO | 22 | 3NT | ♥3 | = | +0 |
| +6.6 | Quarterfinal | BRULIBU | 21 | 3♣ | ♥A | -2 | +2 |
| +6.3 | Semifinal | PERCY | 3 | 4♥ | ♦9 | = | -1 |
| +6.3 | Semifinal | PERCY | 30 | 4♠ | ♥9 | = | +3 |
| +6.3 | Final | JINSHUO | 16 | 3NT | ♦Q | -2 | +13 |
| +6.3 | Final | JINSHUO | 24 | 5♥ | ♠9 | = | +0 |
| +6.0 | Final | JINSHUO | 43 | 5♣x | ♠A | -1 | +5 |
| +5.3 | Semifinal | PERCY | 24 | 3NT | ♦2 | -1 | +10 |
| +4.3 | Semifinal | PERCY | 12 | 4♠x | ♣J | -2 | +0 |
| +4.0 | Final | JINSHUO | 46 | 2♥ | ♦A | -1 | -2 |
| +3.7 | Semifinal | PERCY | 36 | 4♠ | ♣Q | -1 | +6 |
| +3.4 | Quarterfinal | BRULIBU | 2 | 3♠ | ♦K | -1 | +2 |
| +3.4 | Quarterfinal | BRULIBU | 16 | 2♠ | ♠10 | = | +6 |
| +3.4 | Quarterfinal | BRULIBU | 42 | 4♠ | ♥K | +2 | +13 |
| +3.3 | Semifinal | PERCY | 7 | 6♦ | ♣K | = | +11 |
| +3.3 | Semifinal | PERCY | 22 | 3♦ | ♦6 | = | +0 |
| +3.3 | Semifinal | PERCY | 44 | 2♥ | ♦J | +3 | +2 |
| +3.0 | Semifinal | PERCY | 48 | 2♥ | ♦5 | +1 | +0 |
| +3.0 | Final | JINSHUO | 1 | 3♥ | ♥3 | = | +0 |
| +2.7 | Final | JINSHUO | 30 | 1NT | ♣5 | -1 | +4 |
| +2.6 | Quarterfinal | BRULIBU | 39 | 1♠ | ♣8 | +1 | +0 |
| +2.1 | Quarterfinal | BRULIBU | 27 | 2♠ | ♠2 | -2 | -1 |
| +2.1 | Quarterfinal | BRULIBU | 48 | 3♥ | ♣A | = | -8 |
| +2.0 | Quarterfinal | BRULIBU | 22 | 2♠ | ♥A | -1 | +4 |
| +2.0 | Quarterfinal | BRULIBU | 35 | 2♠ | ♦10 | +1 | +0 |
| +2.0 | Quarterfinal | BRULIBU | 43 | 3NT | ♦3 | -1 | +5 |
| +2.0 | Semifinal | PERCY | 46 | 2♦ | ♠K | -1 | +4 |
| +2.0 | Final | JINSHUO | 2 | 5♥ | ♠6 | -1 | +10 |
| +2.0 | Final | JINSHUO | 6 | 2♠ | ♣J | = | +0 |
| +1.9 | Quarterfinal | BRULIBU | 40 | 4♥ | ♦A | -1 | +5 |
| +1.9 | Quarterfinal | BRULIBU | 46 | 3♣ | ♠Q | -1 | +2 |
| +1.7 | Semifinal | PERCY | 41 | 1NTx | ♥7 | -3 | -3 |
| +1.1 | Quarterfinal | BRULIBU | 9 | 5♣ | ♦8 | +1 | +1 |
| +1.1 | Quarterfinal | BRULIBU | 41 | 3NT | ♣6 | -1 | -6 |
| +1.0 | Quarterfinal | BRULIBU | 1 | 1NT | ♦5 | -2 | -1 |
| +1.0 | Semifinal | PERCY | 10 | 1NT | ♥4 | +1 | +0 |
| +1.0 | Semifinal | PERCY | 37 | 3NT | ♥6 | +1 | +1 |
| +1.0 | Final | JINSHUO | 7 | 4♠ | ♣A | +1 | +0 |
| +1.0 | Final | JINSHUO | 11 | 4♦ | ♠2 | = | -7 |
| +0.9 | Quarterfinal | BRULIBU | 26 | 3NT | ♣8 | +3 | -13 |
| +0.9 | Quarterfinal | BRULIBU | 44 | 4♠ | ♦J | = | +0 |
| +0.7 | Quarterfinal | BRULIBU | 45 | 4♥ | ♣6 | +1 | +13 |
| +0.7 | Semifinal | PERCY | 13 | 3♠ | ♦2 | = | -10 |
| +0.7 | Semifinal | PERCY | 19 | 4♥ | ♣6 | +1 | +0 |
| +0.7 | Semifinal | PERCY | 26 | 3NT | ♣2 | +4 | -12 |
| +0.7 | Semifinal | PERCY | 35 | 3NT | ♣Q | = | +1 |
| +0.7 | Final | JINSHUO | 23 | 4♠ | ♦A | +1 | +1 |
| +0.7 | Final | JINSHUO | 26 | 3NT | ♠10 | +2 | +1 |
| +0.6 | Quarterfinal | BRULIBU | 23 | 3NT | ♣3 | +1 | +1 |
| +0.6 | Quarterfinal | BRULIBU | 36 | 3NT | ♣5 | = | +1 |
| +0.3 | Semifinal | PERCY | 8 | 3♣ | ♥J | = | +0 |
| +0.3 | Semifinal | PERCY | 43 | 3♦ | ♠10 | +1 | +0 |
| +0.3 | Final | JINSHUO | 4 | 3NT | ♣Q | +1 | +13 |
| +0.3 | Final | JINSHUO | 9 | 5♦ | ♠A | +1 | -11 |
| +0.3 | Final | JINSHUO | 13 | 5♠ | ♣2 | = | +0 |
| +0.1 | Quarterfinal | BRULIBU | 25 | 3NT | ♥2 | -1 | -5 |
| -0.0 | Quarterfinal | BRULIBU | 24 | 4♥ | ♠10 | +1 | +0 |
| +0.0 | Semifinal | PERCY | 5 | 4♥ | ♠A | +2 | +11 |
| -0.0 | Semifinal | PERCY | 17 | 3♠ | ♠2 | = | +1 |
| -0.0 | Semifinal | PERCY | 20 | 3NT | ♣J | +1 | -13 |
| -0.0 | Semifinal | PERCY | 21 | 2♥ | ♦6 | +1 | -6 |
| -0.0 | Semifinal | PERCY | 33 | 3♠ | ♥10 | -2 | +0 |
| -0.0 | Semifinal | PERCY | 34 | 4♠ | ♦Q | +1 | +10 |
| -0.0 | Final | JINSHUO | 33 | 2♠ | ♦A | = | +0 |
| -0.0 | Final | JINSHUO | 35 | 5♠ | ♥J | +1 | -12 |
| -0.0 | Final | JINSHUO | 36 | 4♠ | ♣J | +1 | +0 |
| -0.0 | Final | JINSHUO | 37 | 6♦ | ♠J | +1 | -11 |
| -0.0 | Final | JINSHUO | 38 | 5♠x | ♥2 | -1 | -9 |
| -0.0 | Final | JINSHUO | 39 | 4♠ | ♦4 | = | +1 |
| -0.0 | Final | JINSHUO | 41 | 3♠ | ♥6 | = | +7 |
| -0.0 | Final | JINSHUO | 42 | 2♥ | ♦J | +1 | +0 |
| -0.0 | Final | JINSHUO | 47 | 4♥ | ♦Q | = | +0 |
| -0.0 | Final | JINSHUO | 48 | 4♥ | ♦A | +1 | -4 |
| -0.1 | Quarterfinal | BRULIBU | 7 | 4♠ | ♦3 | +1 | -13 |
| -0.1 | Quarterfinal | BRULIBU | 12 | 4♥ | ♠A | = | +0 |
| -0.3 | Quarterfinal | BRULIBU | 33 | 4♠ | ♥6 | +2 | +11 |
| -0.3 | Semifinal | PERCY | 4 | 5♦ | ♣2 | +1 | -1 |
| -0.3 | Semifinal | PERCY | 11 | 3NT | ♥2 | = | +7 |
| -0.3 | Semifinal | PERCY | 23 | 3NT | ♣8 | = | +0 |
| -0.3 | Semifinal | PERCY | 32 | 4♥ | ♦6 | +1 | -1 |
| -0.3 | Semifinal | PERCY | 42 | 2♥ | ♥2 | = | +0 |
| -0.3 | Final | JINSHUO | 5 | 3NT | ♥4 | = | -1 |
| -0.3 | Final | JINSHUO | 19 | 2♣ | ♠J | +1 | -1 |
| -0.6 | Quarterfinal | BRULIBU | 18 | 1NT | ♥2 | -1 | +2 |
| -1.0 | Quarterfinal | BRULIBU | 6 | 3NT | ♥3 | = | +0 |
| -1.0 | Quarterfinal | BRULIBU | 28 | 5♦ | ♣2 | -1 | -5 |
| -1.0 | Semifinal | PERCY | 16 | 5♦ | ♣7 | -1 | -5 |
| -1.3 | Semifinal | PERCY | 1 | 3♥ | ♣Q | +1 | +4 |
| -1.3 | Semifinal | PERCY | 2 | 4♠ | ♥5 | = | +0 |
| -1.3 | Semifinal | PERCY | 39 | 4♥x | ♦A | = | +4 |
| -1.3 | Final | JINSHUO | 15 | 2♦ | ♦6 | -1 | -5 |
| -1.3 | Final | JINSHUO | 20 | 3NT | ♦Q | = | -13 |
| -1.3 | Final | JINSHUO | 21 | 4♥ | ♦4 | +1 | +0 |
| -1.7 | Final | JINSHUO | 32 | 6♠ | ♥K | = | +7 |
| -2.0 | Quarterfinal | BRULIBU | 15 | 3♠ | ♦Q | -1 | -4 |
| -2.3 | Semifinal | PERCY | 47 | 4♥ | ♦6 | = | +1 |
| -2.3 | Final | JINSHUO | 18 | 3NT | ♠10 | = | +2 |
| -2.3 | Final | JINSHUO | 27 | 4♦ | ♥J | = | +0 |
| -2.4 | Quarterfinal | BRULIBU | 4 | 4♥ | ♠Q | +2 | -1 |
| -2.9 | Quarterfinal | BRULIBU | 3 | 5♣x | ♠Q | = | +10 |
| -3.0 | Semifinal | PERCY | 27 | 4♥ | ♦4 | -1 | +2 |
| -3.0 | Semifinal | PERCY | 45 | 4♠ | ♥9 | -1 | -6 |
| -3.1 | Quarterfinal | BRULIBU | 47 | 2♥ | ♦K | -1 | -4 |
| -3.3 | Quarterfinal | BRULIBU | 11 | 2♠ | ♦6 | = | +1 |
| -3.3 | Quarterfinal | BRULIBU | 17 | 2♥ | ♠4 | = | -6 |
| -4.0 | Semifinal | PERCY | 18 | 4♥ | ♦A | = | +0 |
| -4.0 | Final | JINSHUO | 14 | 3♠ | ♦8 | = | +0 |
| -4.3 | Semifinal | PERCY | 15 | 2♠ | ♠4 | +1 | +0 |
| -4.3 | Final | JINSHUO | 28 | 6NT | ♦6 | +1 | -1 |
| -4.6 | Quarterfinal | BRULIBU | 13 | 3♠ | ♠3 | = | +0 |
| -4.7 | Semifinal | PERCY | 25 | 7♠ | ♣10 | = | +0 |
| -4.7 | Final | JINSHUO | 25 | 5♥x | ♦K | -2 | -11 |
| -4.7 | Final | JINSHUO | 29 | 3NT | ♥4 | +2 | -1 |
| -5.0 | Quarterfinal | BRULIBU | 37 | 5♥ | ♣A | = | -4 |
| -5.0 | Final | JINSHUO | 3 | 3♣ | ♠4 | = | +0 |
| -5.7 | Semifinal | PERCY | 14 | 5♦ | ♥K | = | +1 |
| -5.7 | Semifinal | PERCY | 31 | 6♥ | ♦Q | = | +0 |
| -6.0 | Quarterfinal | BRULIBU | 38 | 5♣ | ♠A | +1 | +11 |
| -6.0 | Final | JINSHUO | 44 | 3♥ | ♠A | = | -7 |
| -7.3 | Semifinal | PERCY | 9 | 3NT | ♠8 | +2 | -11 |
| -7.4 | Quarterfinal | BRULIBU | 10 | 4♥ | ♠7 | = | -3 |
| -8.0 | Final | JINSHUO | 8 | 7♣ | ♣7 | = | +2 |
| -8.3 | Final | JINSHUO | 17 | 4♥x | ♠K | -2 | -10 |
| -9.7 | Quarterfinal | BRULIBU | 32 | 6NT | ♥10 | = | +0 |
| -10.0 | Semifinal | PERCY | 6 | 4♠ | ♥4 | -1 | -10 |
| -10.0 | Final | JINSHUO | 45 | 3NT | ♣6 | +1 | +0 |
| -10.7 | Final | JINSHUO | 12 | 6♠ | ♠2 | = | +0 |
| -10.9 | Quarterfinal | BRULIBU | 29 | 3NT | ♣3 | = | +1 |
| -11.3 | Semifinal | PERCY | 29 | 3NT | ♠Q | = | +0 |
| -11.4 | Quarterfinal | BRULIBU | 5 | 6♥ | ♠6 | -1 | -14 |
| -12.3 | Quarterfinal | BRULIBU | 30 | 7♠ | ♦6 | = | +0 |