ZATORSKI Piotr · POLISH STUDENTS
137rank
+42.5Butler · 100 bds
+0.42per board
±4.7swing
+0.05vs par /bd · #238/471
+0.55adjusted /bd
by round
vs par split: bidding -0.18 · play +0.23
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.55/bd
Card play — on target: opening leads 76.9% #262 of 469 · declarer play 95.2% #6 of 469 · defence 90.4% #64 of 471
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 82.6% (23) |
| Declarer play | 100.0% (7) | 92.9% (14) |
| Defence | 100.0% (10) | 88.1% (42) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 66.7% (9) · ♦ 100.0% (8) · ♣ 60.0% (5)
vs par by strain: NT -0.08 (25) · a suit +0.09 (75)
vs par by level: part-score +1.37 (41) · game -1.12 (49) · slam +0.40 (10)
By role: declaring +0.75/bd (-1.83 vs par · 48) · defending +0.12/bd (+1.79 vs par · 52)
By vulnerability: vulnerable -0.56/bd (-0.92 vs par · 51) · not vulnerable +1.46/bd (+1.06 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | M.Klukowski | A.Soebroto – K.Kamto | Closed | 10 | +1.0 | +0.10 | +0.30 |
| Round 4 | M.Klukowski | N.Azkanov – R.Pinnata | Open | 10 | +25.6 | +2.56 | +3.80 |
| Round 6 | M.Klukowski | P.Balakrishnan – R.Tewari | Closed | 10 | +1.7 | +0.17 | -2.10 |
| Round 7 | M.Klukowski | D.Elvansyah – R.Warwar | Closed | 10 | +2.8 | +0.28 | -0.20 |
| Round 9 | M.Klukowski | J.Li – Z.Fu | Closed | 10 | +2.8 | +0.28 | -2.60 |
| Round 10 | M.Klukowski | M.Sheng – Y.Zhang | Closed | 10 | +8.7 | +0.87 | +1.10 |
| Round 11 | M.Klukowski | J.Smith – P.Thurston | Closed | 10 | -0.1 | -0.01 | +1.10 |
| Round 12 | M.Klukowski | R.Tobing – T.Asbi | Closed | 10 | +1.9 | +0.19 | -1.90 |
| Round 13 | M.Klukowski | I.Sime – J.Murdoch | Closed | 10 | -6.7 | -0.67 | -1.80 |
| Round 15 | M.Klukowski | J.Pszczola – M.Seamon | Closed | 10 | +4.8 | +0.48 | +2.80 |
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 |
|---|---|---|---|---|---|---|---|
| +13.1 | Round 9 | P D TIMES | 30 | 2NTx | ♠10 | -5 | +12 |
| +12.1 | Round 15 | GORDON | 30 | 3NTxx | ♣3 | +2 | +13 |
| +8.9 | Round 10 | BEIJING SHARESUN | 1 | 6♣ | ♦K | = | +0 |
| +8.6 | Round 4 | EPJ JUNIOR | 1 | 3NT | ♠4 | +1 | +12 |
| +8.6 | Round 12 | INDONESIA OPEN ME | 21 | 3♦x | ♣K | -2 | +9 |
| +7.9 | Round 6 | NADAR | 29 | 3NT | ♣6 | = | +0 |
| +7.9 | Round 7 | BBO | 7 | 2♥ | ♣7 | +2 | +10 |
| +7.8 | Round 13 | SCOTLAND | 9 | 6♠ | ♦8 | -1 | +11 |
| +7.3 | Round 12 | INDONESIA OPEN ME | 24 | 4♠x | ♥Q | -2 | +5 |
| +7.0 | Round 7 | BBO | 10 | 3♦ | ♥A | -2 | +8 |
| +6.6 | Round 4 | EPJ JUNIOR | 4 | 4♥ | ♦8 | = | +0 |
| +5.7 | Round 11 | CANADA OPEN | 15 | 3NT | ♣6 | -3 | +9 |
| +5.1 | Round 3 | DJARUM BRIDGE CLUB | 25 | 4♦ | ♥5 | = | +1 |
| +5.1 | Round 12 | INDONESIA OPEN ME | 30 | 6♠ | ♣10 | = | +0 |
| +5.0 | Round 3 | DJARUM BRIDGE CLUB | 28 | 3NT | ♥5 | = | +11 |
| +5.0 | Round 6 | NADAR | 21 | 5♣x | ♥A | -4 | +4 |
| +4.9 | Round 13 | SCOTLAND | 4 | 3♣ | ♠6 | -1 | +12 |
| +4.5 | Round 15 | GORDON | 26 | 2♥ | ♥4 | +1 | +7 |
| +4.4 | Round 10 | BEIJING SHARESUN | 8 | 1NT | ♥5 | = | +5 |
| +4.2 | Round 4 | EPJ JUNIOR | 6 | 2♠ | ♣4 | +4 | +12 |
| +3.8 | Round 10 | BEIJING SHARESUN | 2 | 4♥ | ♦K | -2 | +0 |
| +3.4 | Round 9 | P D TIMES | 28 | 6NT | ♠6 | +1 | -11 |
| +3.2 | Round 3 | DJARUM BRIDGE CLUB | 30 | 5♣x | ♦7 | -2 | +12 |
| +3.1 | Round 9 | P D TIMES | 27 | 3NT | ♥10 | +2 | +11 |
| +3.0 | Round 4 | EPJ JUNIOR | 2 | 2♠ | ♦K | = | +6 |
| +3.0 | Round 9 | P D TIMES | 21 | 4♦ | ♣4 | +1 | +1 |
| +2.7 | Round 6 | NADAR | 25 | 3♥ | ♦A | -1 | +0 |
| +2.7 | Round 6 | NADAR | 27 | 3♥ | ♥K | -1 | -4 |
| +2.7 | Round 13 | SCOTLAND | 5 | 2♠ | ♣4 | +1 | -6 |
| +2.6 | Round 10 | BEIJING SHARESUN | 10 | 4♥ | ♦2 | -1 | +6 |
| +2.6 | Round 13 | SCOTLAND | 3 | 2♥ | ♣4 | = | +7 |
| +2.5 | Round 4 | EPJ JUNIOR | 3 | 2♥ | ♦7 | +1 | +1 |
| +2.3 | Round 15 | GORDON | 29 | 4♥ | ♦Q | -1 | +6 |
| +2.1 | Round 3 | DJARUM BRIDGE CLUB | 24 | 2♥x | ♦J | -3 | +2 |
| +2.1 | Round 10 | BEIJING SHARESUN | 6 | 4♥ | ♥A | +1 | +1 |
| +2.1 | Round 11 | CANADA OPEN | 18 | 3♠ | ♣Q | -2 | +11 |
| +2.0 | Round 7 | BBO | 8 | 4♠ | ♦J | = | -1 |
| +2.0 | Round 11 | CANADA OPEN | 11 | 3NT | ♠3 | +2 | -10 |
| +2.0 | Round 13 | SCOTLAND | 2 | 3NT | ♥2 | +1 | +1 |
| +1.9 | Round 6 | NADAR | 30 | 3♠ | ♠J | = | +0 |
| +1.8 | Round 11 | CANADA OPEN | 16 | 4♥ | ♠J | = | +0 |
| +1.3 | Round 15 | GORDON | 25 | 2♣x | ♠A | -1 | +0 |
| +1.2 | Round 4 | EPJ JUNIOR | 8 | 4♠ | ♥K | -1 | +2 |
| +1.2 | Round 15 | GORDON | 27 | 1NT | ♥3 | -1 | +4 |
| +1.1 | Round 4 | EPJ JUNIOR | 9 | 6♠ | ♥A | +1 | +11 |
| +0.8 | Round 9 | P D TIMES | 22 | 2♠ | ♣Q | +1 | +0 |
| +0.7 | Round 4 | EPJ JUNIOR | 7 | 5♦ | ♣9 | = | +1 |
| +0.7 | Round 7 | BBO | 3 | 2♣ | ♣9 | +3 | -6 |
| +0.6 | Round 15 | GORDON | 21 | 3♥ | ♣J | -1 | +3 |
| +0.5 | Round 15 | GORDON | 24 | 5♥ | ♣3 | = | +0 |
| +0.4 | Round 3 | DJARUM BRIDGE CLUB | 22 | 2♠ | ♣Q | = | -9 |
| +0.3 | Round 15 | GORDON | 22 | 2♠ | ♣K | -1 | +7 |
| +0.1 | Round 4 | EPJ JUNIOR | 5 | 2♠ | ♦2 | +3 | +2 |
| -0.1 | Round 11 | CANADA OPEN | 19 | 6♣ | ♦3 | = | +11 |
| -0.1 | Round 13 | SCOTLAND | 8 | 3NT | ♥5 | +2 | +0 |
| -0.2 | Round 6 | NADAR | 23 | 1NT | ♠7 | +1 | +0 |
| -0.3 | Round 7 | BBO | 5 | 1♥ | ♥10 | +2 | +0 |
| -0.4 | Round 11 | CANADA OPEN | 17 | 1NT | ♦3 | +2 | -7 |
| -0.6 | Round 12 | INDONESIA OPEN ME | 25 | 4♥ | ♠A | = | +0 |
| -0.8 | Round 12 | INDONESIA OPEN ME | 22 | 3♦ | ♥2 | = | +0 |
| -0.9 | Round 11 | CANADA OPEN | 14 | 2♥ | ♥Q | -2 | +0 |
| -0.9 | Round 12 | INDONESIA OPEN ME | 28 | 4♥ | ♦A | +2 | -11 |
| -1.1 | Round 3 | DJARUM BRIDGE CLUB | 26 | 4♥ | ♣7 | = | +0 |
| -1.2 | Round 6 | NADAR | 22 | 5♣x | ♦K | -1 | +0 |
| -1.2 | Round 7 | BBO | 6 | 4♥ | ♠A | +1 | +0 |
| -1.2 | Round 7 | BBO | 9 | 2♠ | ♦Q | +1 | +0 |
| -1.2 | Round 10 | BEIJING SHARESUN | 9 | 3♦ | ♥Q | +1 | +0 |
| -1.3 | Round 3 | DJARUM BRIDGE CLUB | 27 | 1NT | ♥4 | +1 | +0 |
| -1.4 | Round 10 | BEIJING SHARESUN | 3 | 3NT | ♦J | -2 | +2 |
| -1.4 | Round 13 | SCOTLAND | 7 | 3♦ | ♣A | = | +1 |
| -1.5 | Round 12 | INDONESIA OPEN ME | 23 | 2♣x | ♦Q | -2 | -13 |
| -1.5 | Round 12 | INDONESIA OPEN ME | 27 | 7NT | ♥Q | = | +0 |
| -1.7 | Round 3 | DJARUM BRIDGE CLUB | 21 | 4♠ | ♣A | -1 | +2 |
| -1.8 | Round 10 | BEIJING SHARESUN | 5 | 3NT | ♣4 | = | +1 |
| -2.0 | Round 11 | CANADA OPEN | 12 | 4♥ | ♦Q | +1 | +0 |
| -2.3 | Round 7 | BBO | 2 | 4♥ | ♦6 | = | +1 |
| -2.4 | Round 4 | EPJ JUNIOR | 10 | 5♣ | ♠K | = | -9 |
| -2.6 | Round 9 | P D TIMES | 25 | 3♥ | ♥6 | = | -6 |
| -3.2 | Round 9 | P D TIMES | 26 | 3♠ | ♣9 | +1 | -10 |
| -3.3 | Round 10 | BEIJING SHARESUN | 4 | 1♥ | ♥6 | +1 | +0 |
| -3.4 | Round 6 | NADAR | 28 | 4♥ | ♥2 | +1 | -1 |
| -3.4 | Round 9 | P D TIMES | 24 | 4♠ | ♥K | +1 | -1 |
| -3.8 | Round 3 | DJARUM BRIDGE CLUB | 29 | 3NT | ♦5 | +3 | -13 |
| -4.1 | Round 11 | CANADA OPEN | 20 | 4♥ | ♦3 | = | -3 |
| -4.2 | Round 11 | CANADA OPEN | 13 | 3NT | ♠2 | +1 | +0 |
| -4.2 | Round 13 | SCOTLAND | 6 | 3NT | ♠J | +3 | -17 |
| -4.4 | Round 7 | BBO | 4 | 4♥ | ♣5 | -3 | -5 |
| -5.3 | Round 9 | P D TIMES | 23 | 3NT | ♠6 | -1 | -12 |
| -5.4 | Round 7 | BBO | 1 | 3NT | ♣J | -2 | -9 |
| -5.4 | Round 10 | BEIJING SHARESUN | 7 | 1NT | ♥5 | -3 | -4 |
| -6.0 | Round 12 | INDONESIA OPEN ME | 26 | 5♦ | ♠A | +1 | -9 |
| -6.1 | Round 9 | P D TIMES | 29 | 5♣ | ♠A | = | -10 |
| -6.2 | Round 6 | NADAR | 26 | 4♠ | ♥4 | +2 | -13 |
| -6.5 | Round 15 | GORDON | 23 | 4♠ | ♠2 | -4 | -11 |
| -6.9 | Round 3 | DJARUM BRIDGE CLUB | 23 | 4♥ | ♦7 | = | -3 |
| -7.0 | Round 13 | SCOTLAND | 1 | 5♠ | ♣A | -1 | -10 |
| -7.5 | Round 6 | NADAR | 24 | 4♥ | ♦A | = | -7 |
| -7.8 | Round 12 | INDONESIA OPEN ME | 29 | 6♦ | ♦6 | = | +0 |
| -11.5 | Round 15 | GORDON | 28 | 6♠ | ♦7 | = | -1 |
| -14.0 | Round 13 | SCOTLAND | 10 | 7♣ | ♠J | -1 | -17 |