PIETRASZEK Marek · MARTENS
vs par split: bidding +0.30 · play +0.14
Strength of schedule: opponents averaged +0.37/bd (a tough draw) → opponent-adjusted +0.82/bd
Card play — on target: opening leads 90.0% #32 of 216 · declarer play 59.1% #201 of 216 · defence 89.9% #69 of 216
Bidding activity — not a pass: 36.5% #197 of 216 (139/381)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (10) | 93.3% (30) |
| Declarer play | 66.7% (6) | 56.2% (16) |
| Defence | 81.8% (22) | 93.0% (57) |
Opening leads by suit led: ♠ 100.0% (7) · ♥ 86.7% (15) · ♦ 81.8% (11) · ♣ 100.0% (7)
vs par by strain: NT +0.94 (34) · a suit +0.28 (98)
vs par by level: part-score -1.44 (50) · game +1.71 (73) · slam +0.67 (9)
By role: declaring +0.89/bd (-1.53 vs par · 53) · defending +0.15/bd (+1.77 vs par · 79)
By vulnerability: vulnerable +0.34/bd (-0.23 vs par · 66) · not vulnerable +0.55/bd (+1.12 vs par · 66)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | K.Martens | E.Cheng – V.Waelti | Closed | 12 | +20.2 | +1.68 | +3.33 |
| Round 3 | K.Martens | S.Thakral – J.Shivdasani | Closed | 12 | +7.3 | +0.61 | -1.33 |
| Round 4 | K.Martens | P.King – M.Bell | Open | 12 | -10.5 | -0.88 | -0.08 |
| Round 5 | K.Martens | C.Margot – M.Sasselli | Open | 12 | -7.8 | -0.65 | -0.92 |
| Round 6 | K.Martens | P.Patreuha – S.Golebiowski | Open | 12 | +26.4 | +2.20 | -0.25 |
| Round 7 | K.Martens | G.Donati – G.Percario | Open | 12 | +21.0 | +1.75 | +2.50 |
| Round 8 | K.Martens | G.Laffineur – R.Tembouret | Open | 12 | +7.5 | +0.62 | +0.50 |
| Round 9 | K.Martens | K.Marinovski – V.Zoric | Open | 12 | +13.1 | +1.09 | +1.08 |
| Round 10 | K.Martens | G.Helgemo – Z.Mahmood | Closed | 12 | +5.4 | +0.45 | -0.58 |
| Round 11 | K.Martens | J.Rombaut – L.Rombaut | Closed | 12 | +0.0 | +0.00 | +1.92 |
| Round 12 | K.Martens | A.Sementa – A.Versace | Closed | 12 | -23.7 | -1.97 | -1.25 |
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 |
|---|---|---|---|---|---|---|---|
| +11.4 | Round 3 | MAVERICKS | 9 | 5♣ | ♦Q | = | +0 |
| +10.8 | Round 2 | SWISS LADIES | 14 | 6♣x | ♦A | -3 | +14 |
| +9.9 | Round 6 | AZS WRATISLAVIA | 18 | 1NTx | ♦6 | +3 | +7 |
| +9.2 | Round 3 | MAVERICKS | 11 | 5♦ | ♠K | -1 | +10 |
| +8.5 | Round 11 | FRANCE GREEN | 5 | 4♠x | ♣T | = | +10 |
| +7.6 | Round 6 | AZS WRATISLAVIA | 19 | 5♣ | ♦A | -1 | +10 |
| +7.2 | Round 9 | CROATIA | 11 | 4♥ | ♦2 | -1 | +4 |
| +7.0 | Round 10 | WIGODER | 15 | 4♠ | ♠6 | -2 | +8 |
| +6.9 | Round 6 | AZS WRATISLAVIA | 20 | 6♠ | ♦7 | +1 | -13 |
| +6.2 | Round 8 | LES TEIGNES | 13 | 4♠ | ♦Q | = | +9 |
| +6.2 | Round 10 | WIGODER | 18 | 4♥ | ♠A | = | +12 |
| +5.8 | Round 7 | MULTON | 10 | 4♠x | ♦J | -2 | +12 |
| +5.6 | Round 10 | WIGODER | 23 | 6♠ | ♣6 | -1 | +13 |
| +5.5 | Round 4 | SANDFIA | 15 | 2NT | ♦K | -2 | +7 |
| +5.0 | Round 9 | CROATIA | 3 | 3NT | ♥5 | -2 | +11 |
| +4.7 | Round 11 | FRANCE GREEN | 3 | 4♠ | ♣K | -1 | +5 |
| +4.6 | Round 2 | SWISS LADIES | 22 | 3♠ | ♦K | -1 | +10 |
| +4.6 | Round 7 | MULTON | 12 | 2♠ | ♦J | = | +0 |
| +4.3 | Round 2 | SWISS LADIES | 13 | 3NT | ♥6 | +4 | +17 |
| +4.3 | Round 8 | LES TEIGNES | 20 | 3♣ | ♠A | +1 | +10 |
| +3.8 | Round 7 | MULTON | 9 | 5♣ | ♥Q | +1 | +14 |
| +3.8 | Round 10 | WIGODER | 24 | 5♥ | ♣K | -1 | +4 |
| +3.6 | Round 6 | AZS WRATISLAVIA | 22 | 4♠ | ♥J | = | +8 |
| +3.6 | Round 7 | MULTON | 11 | 3NT | ♠2 | = | +6 |
| +3.5 | Round 10 | WIGODER | 19 | 3NT | ♥2 | +2 | +0 |
| +3.5 | Round 11 | FRANCE GREEN | 1 | 5♦x | ♣6 | -3 | +5 |
| +3.4 | Round 2 | SWISS LADIES | 20 | 3♠ | ♥A | = | +0 |
| +3.4 | Round 4 | SANDFIA | 21 | 3♠ | ♦K | -3 | -3 |
| +3.3 | Round 2 | SWISS LADIES | 24 | 4♥ | ♦6 | +3 | +10 |
| +3.2 | Round 7 | MULTON | 1 | 4♥ | ♠A | +2 | +2 |
| +3.1 | Round 3 | MAVERICKS | 7 | 2NT | ♠Q | -2 | +3 |
| +2.9 | Round 9 | CROATIA | 5 | 3♣ | ♥8 | -1 | -1 |
| +2.9 | Round 9 | CROATIA | 9 | 2♦ | ♠3 | -3 | +1 |
| +2.9 | Round 12 | BERNAL | 13 | 3NT | ♠4 | -2 | +8 |
| +2.8 | Round 6 | AZS WRATISLAVIA | 17 | 3NTx | ♦9 | -1 | +6 |
| +2.8 | Round 9 | CROATIA | 4 | 4♠ | ♦2 | -1 | +6 |
| +2.7 | Round 8 | LES TEIGNES | 21 | 4♣ | ♥6 | -1 | +2 |
| +2.6 | Round 4 | SANDFIA | 22 | 2♥ | ♦T | = | -1 |
| +2.2 | Round 8 | LES TEIGNES | 23 | 2♥ | ♠6 | +1 | +1 |
| +2.1 | Round 5 | LES ALLUMETTES | 6 | 6♠ | ♦7 | +1 | -13 |
| +2.1 | Round 8 | LES TEIGNES | 19 | 4♥ | ♦K | +1 | +1 |
| +1.9 | Round 8 | LES TEIGNES | 16 | 4♠ | ♣2 | = | +0 |
| +1.8 | Round 2 | SWISS LADIES | 23 | 1NT | ♥8 | -1 | -1 |
| +1.8 | Round 5 | LES ALLUMETTES | 11 | 5♦ | ♥T | +1 | +11 |
| +1.7 | Round 10 | WIGODER | 17 | 1NT | ♠2 | = | -2 |
| +1.6 | Round 2 | SWISS LADIES | 17 | 4♥ | ♠A | -1 | +4 |
| +1.6 | Round 8 | LES TEIGNES | 17 | 5♥ | ♠J | +1 | -8 |
| +1.4 | Round 5 | LES ALLUMETTES | 5 | 3♦ | ♦Q | +2 | +0 |
| +1.4 | Round 12 | BERNAL | 14 | 3NT | ♦5 | = | +7 |
| +1.3 | Round 3 | MAVERICKS | 10 | 1NT | ♣4 | = | -1 |
| +1.2 | Round 3 | MAVERICKS | 3 | 2♠ | ♠6 | -4 | -9 |
| +1.2 | Round 6 | AZS WRATISLAVIA | 14 | 3NT | ♠6 | +3 | +1 |
| +1.2 | Round 9 | CROATIA | 2 | 3♦ | ♥3 | -2 | +3 |
| +0.9 | Round 6 | AZS WRATISLAVIA | 21 | 5♦x | ♥8 | -2 | -10 |
| +0.7 | Round 7 | MULTON | 6 | 6NT | ♦T | +1 | -13 |
| +0.7 | Round 9 | CROATIA | 6 | 3♦ | ♠K | +2 | -10 |
| +0.7 | Round 11 | FRANCE GREEN | 6 | 3♦x | ♣5 | -1 | +0 |
| +0.7 | Round 11 | FRANCE GREEN | 12 | 5♣ | ♥A | = | +2 |
| +0.6 | Round 5 | LES ALLUMETTES | 10 | 2♦x | ♠J | -1 | -9 |
| +0.6 | Round 7 | MULTON | 2 | 2♠ | ♦T | +1 | +1 |
| +0.4 | Round 9 | CROATIA | 8 | 2♠ | ♦Q | -2 | +1 |
| +0.3 | Round 5 | LES ALLUMETTES | 1 | 2♠ | ♥Q | -1 | -3 |
| +0.3 | Round 7 | MULTON | 4 | 3NT | ♥5 | = | +0 |
| +0.2 | Round 4 | SANDFIA | 19 | 2♥ | ♦3 | -1 | -2 |
| +0.2 | Round 6 | AZS WRATISLAVIA | 13 | 3♣ | ♦K | +2 | -10 |
| +0.2 | Round 6 | AZS WRATISLAVIA | 24 | 3NT | ♥6 | = | +0 |
| +0.1 | Round 2 | SWISS LADIES | 16 | 4♥ | ♥3 | +2 | -13 |
| +0.1 | Round 10 | WIGODER | 20 | 2♠ | ♦T | +1 | -10 |
| +0.1 | Round 11 | FRANCE GREEN | 8 | 4♠ | ♦6 | = | -3 |
| +0.0 | Round 3 | MAVERICKS | 2 | 3NT | ♠7 | +2 | -10 |
| +0.0 | Round 7 | MULTON | 8 | 3♦ | ♥A | = | +0 |
| -0.0 | Round 8 | LES TEIGNES | 18 | 3NT | ♠Q | = | -2 |
| -0.0 | Round 12 | BERNAL | 24 | 6♦ | ♥A | -2 | +5 |
| -0.1 | Round 4 | SANDFIA | 14 | 5♣ | ♠3 | = | +0 |
| -0.1 | Round 4 | SANDFIA | 18 | 3♠ | ♥J | -1 | -4 |
| -0.1 | Round 5 | LES ALLUMETTES | 12 | 3NT | ♠5 | +1 | +0 |
| -0.2 | Round 2 | SWISS LADIES | 19 | 4♥ | ♣5 | = | +0 |
| -0.2 | Round 5 | LES ALLUMETTES | 7 | 4♥ | ♠A | +1 | +0 |
| -0.2 | Round 8 | LES TEIGNES | 22 | 4♠ | ♥8 | = | +3 |
| -0.2 | Round 12 | BERNAL | 20 | 4♥ | ♦2 | +1 | +0 |
| -0.3 | Round 4 | SANDFIA | 16 | 5♥ | ♦9 | = | +0 |
| -0.3 | Round 4 | SANDFIA | 23 | 1NT | ♠Q | +1 | +10 |
| -0.4 | Round 7 | MULTON | 5 | 5♦ | ♠6 | +1 | +10 |
| -0.5 | Round 3 | MAVERICKS | 12 | 5♦ | ♣8 | = | +2 |
| -0.5 | Round 5 | LES ALLUMETTES | 3 | 4♥ | ♦7 | = | +0 |
| -0.5 | Round 5 | LES ALLUMETTES | 8 | 2NT | ♣K | +1 | +0 |
| -0.5 | Round 7 | MULTON | 7 | 4♠ | ♦A | = | +0 |
| -0.7 | Round 7 | MULTON | 3 | 5♥ | ♣6 | -1 | -2 |
| -0.8 | Round 5 | LES ALLUMETTES | 9 | 4♠ | ♥Q | +1 | +0 |
| -0.9 | Round 9 | CROATIA | 10 | 1NT | ♦3 | +1 | +10 |
| -1.0 | Round 6 | AZS WRATISLAVIA | 15 | 2♠ | ♥6 | = | +0 |
| -1.0 | Round 12 | BERNAL | 18 | 4♠ | ♦7 | +1 | -11 |
| -1.1 | Round 10 | WIGODER | 14 | 2♥ | ♥T | +1 | -1 |
| -1.2 | Round 2 | SWISS LADIES | 21 | 5♦ | ♣3 | +1 | +13 |
| -1.2 | Round 9 | CROATIA | 1 | 3♠ | ♦Q | -1 | +2 |
| -1.2 | Round 11 | FRANCE GREEN | 2 | 5♥x | ♠A | -3 | +12 |
| -1.2 | Round 11 | FRANCE GREEN | 7 | 3NT | ♣2 | +1 | +0 |
| -1.5 | Round 10 | WIGODER | 16 | 3NT | ♣K | +2 | -1 |
| -1.6 | Round 6 | AZS WRATISLAVIA | 16 | 2♦ | ♥K | -1 | -2 |
| -1.6 | Round 12 | BERNAL | 15 | 1♠ | ♣4 | +3 | -1 |
| -1.7 | Round 12 | BERNAL | 19 | 1NT | ♣T | -1 | -5 |
| -1.8 | Round 3 | MAVERICKS | 5 | 5♣x | ♦8 | -2 | -5 |
| -1.9 | Round 3 | MAVERICKS | 6 | 1NT | ♦Q | = | -5 |
| -2.2 | Round 5 | LES ALLUMETTES | 2 | 6♣ | ♦2 | +1 | +13 |
| -2.3 | Round 2 | SWISS LADIES | 15 | 4♥ | ♠8 | +1 | -4 |
| -2.3 | Round 11 | FRANCE GREEN | 9 | 3♠ | ♥7 | = | -12 |
| -2.3 | Round 12 | BERNAL | 23 | 4♠ | ♦7 | -2 | -8 |
| -2.5 | Round 8 | LES TEIGNES | 14 | 6NT | ♦A | = | +0 |
| -3.0 | Round 9 | CROATIA | 12 | 2♠ | ♥7 | -1 | -4 |
| -3.1 | Round 12 | BERNAL | 17 | 2♠ | ♠7 | +1 | +0 |
| -3.1 | Round 12 | BERNAL | 22 | 6♠ | ♥A | = | +0 |
| -3.2 | Round 3 | MAVERICKS | 8 | 3NT | ♦2 | +2 | -1 |
| -3.5 | Round 8 | LES TEIGNES | 15 | 3♣ | ♥A | = | +0 |
| -4.1 | Round 10 | WIGODER | 21 | 3NT | ♥7 | +1 | -11 |
| -4.1 | Round 11 | FRANCE GREEN | 10 | 4♠x | ♥A | -3 | +12 |
| -4.3 | Round 6 | AZS WRATISLAVIA | 23 | 2♠ | ♥A | +1 | +0 |
| -4.4 | Round 4 | SANDFIA | 24 | 3NT | ♥4 | = | +0 |
| -4.4 | Round 11 | FRANCE GREEN | 4 | 5♣ | ♠6 | = | -3 |
| -4.6 | Round 4 | SANDFIA | 17 | 4♠ | ♥K | +1 | +0 |
| -4.6 | Round 10 | WIGODER | 13 | 2♠ | ♦5 | -1 | -5 |
| -4.9 | Round 3 | MAVERICKS | 1 | 4♠ | ♣2 | +1 | +0 |
| -4.9 | Round 9 | CROATIA | 7 | 2♠ | ♦Q | +1 | -10 |
| -5.0 | Round 11 | FRANCE GREEN | 11 | 2♠x | ♦6 | -2 | -5 |
| -5.6 | Round 4 | SANDFIA | 20 | 4♠ | ♠4 | +1 | -1 |
| -6.0 | Round 2 | SWISS LADIES | 18 | 5♣ | ♦9 | -1 | -10 |
| -6.1 | Round 12 | BERNAL | 16 | 3NT | ♦3 | = | +1 |
| -6.6 | Round 3 | MAVERICKS | 4 | 3NT | ♥6 | = | +0 |
| -6.8 | Round 4 | SANDFIA | 13 | 5♥x | ♠T | -1 | -7 |
| -7.3 | Round 8 | LES TEIGNES | 24 | 4♥x | ♦Q | -2 | -10 |
| -8.9 | Round 12 | BERNAL | 21 | 5♥x | ♣K | = | -11 |
| -9.7 | Round 5 | LES ALLUMETTES | 4 | 1NTx | ♦K | +1 | -10 |
| -11.2 | Round 10 | WIGODER | 22 | 2♠x | ♣4 | = | -14 |