KOWALSKI Dariusz · CONNECTOR
137rank
-2.2Butler · 100 bds
-0.02per board
±4.7swing
+0.05vs par /bd · #120/240
+0.13adjusted /bd
by round
vs par split: bidding -0.30 · play +0.35
Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.13/bd
Card play — on target: opening leads 60.0% #233 of 239 · declarer play 67.7% #195 of 239 · defence 96.1% #6 of 240
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 66.7% (12) |
| Declarer play | 87.5% (8) | 60.9% (23) |
| Defence | 100.0% (15) | 94.4% (36) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 60.0% (5) · ♦ 66.7% (3) · ♣ 50.0% (6)
vs par by strain: NT +2.33 (27) · a suit -0.80 (73)
vs par by level: part-score -0.66 (35) · game +0.45 (53) · slam +0.33 (12)
By role: declaring +0.16/bd (-2.37 vs par · 49) · defending -0.20/bd (+2.37 vs par · 51)
By vulnerability: vulnerable +0.27/bd (+0.33 vs par · 49) · not vulnerable -0.30/bd (-0.22 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | P.Bizon | F.Volcker – T.Bessis | Closed | 10 | +5.2 | +0.52 | +3.20 |
| Round 5 | P.Bizon | R.Pachtman – P.Zatorski | Closed | 10 | -42.0 | -4.20 | -3.70 |
| Round 6 | P.Bizon | A.Lengy – I.Bareket | Open | 10 | +0.9 | +0.09 | -0.20 |
| Round 7 | P.Bizon | M.Moran – R.Boland | Open | 10 | +0.5 | +0.05 | +1.50 |
| Round 8 | P.Bizon | S.Kolata – I.Kandemir | Closed | 10 | +13.4 | +1.34 | +2.00 |
| Round 11 | P.Bizon | W.Haddad – J.Cieslak | Closed | 10 | -1.0 | -0.10 | +0.30 |
| Round 12 | P.Bizon | B.Gierulski – J.Skrzypczak | Closed | 10 | +14.1 | +1.41 | -1.70 |
| Round 13 | P.Bizon | W.Wang – SHEN (1) Qi | Closed | 10 | +9.9 | +0.99 | +2.20 |
| Round 14 | P.Bizon | M.Tokay – A.Sementa | Closed | 10 | -4.2 | -0.42 | -1.10 |
| Round 15 | P.Bizon | N.Sandqvist – T.Townsend | Closed | 10 | +1.0 | +0.10 | -2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +11.6 | Round 12 | VYTAS | 21 | 6♥ | ♠5 | = | +11 |
| +11.1 | Round 7 | MORAN | 4 | 5♦x | ♠4 | -4 | +14 |
| +11.1 | Round 8 | NONAME TUR | 15 | 2♠x | ♣J | +2 | +13 |
| +10.9 | Round 13 | CHINA LADIES TEAM | 3 | 3NT | ♠6 | = | +10 |
| +9.7 | Round 11 | NEMESIS | 11 | 3NT | ♠3 | +2 | +14 |
| +9.6 | Round 14 | ASSAEL | 20 | 3NT | ♥3 | = | -1 |
| +9.0 | Round 4 | MAHAFFEY | 5 | 4NT | ♠Q | -2 | +11 |
| +8.8 | Round 7 | MORAN | 7 | 5♥ | ♦2 | -1 | +16 |
| +8.0 | Round 8 | NONAME TUR | 13 | 7♣ | ♠J | = | -2 |
| +8.0 | Round 12 | VYTAS | 28 | 7♠ | ♥J | = | +0 |
| +6.7 | Round 15 | DE BOTTON | 26 | 4♥ | ♠8 | -3 | +10 |
| +6.2 | Round 12 | VYTAS | 30 | 6♠ | ♣K | -1 | +11 |
| +5.9 | Round 8 | NONAME TUR | 12 | 3NT | ♣3 | -1 | +10 |
| +5.5 | Round 6 | EMERALD | 25 | 3NT | ♦2 | +2 | +11 |
| +5.2 | Round 13 | CHINA LADIES TEAM | 7 | 1NT | ♣Q | -1 | +5 |
| +4.3 | Round 4 | MAHAFFEY | 2 | 4♣ | ♥A | = | +0 |
| +3.6 | Round 15 | DE BOTTON | 21 | 1NT | ♦4 | = | +5 |
| +3.5 | Round 12 | VYTAS | 25 | 3♣ | ♦7 | = | +0 |
| +3.3 | Round 6 | EMERALD | 29 | 4♠ | ♦2 | -1 | +6 |
| +3.3 | Round 14 | ASSAEL | 11 | 3♥ | ♣A | -1 | +4 |
| +3.2 | Round 11 | NEMESIS | 14 | 3NT | ♥2 | -3 | +7 |
| +2.7 | Round 4 | MAHAFFEY | 3 | 5♥ | ♦4 | +1 | +12 |
| +2.5 | Round 14 | ASSAEL | 16 | 3♠ | ♠A | -2 | -1 |
| +2.4 | Round 15 | DE BOTTON | 28 | 4♠ | ♣2 | = | +0 |
| +2.3 | Round 6 | EMERALD | 27 | 4♣ | ♥A | = | +1 |
| +2.2 | Round 11 | NEMESIS | 19 | 5♦x | ♣K | -2 | +0 |
| +2.1 | Round 6 | EMERALD | 22 | 1NT | ♦2 | -2 | +7 |
| +1.9 | Round 13 | CHINA LADIES TEAM | 9 | 3♣ | ♦A | -2 | +6 |
| +1.8 | Round 14 | ASSAEL | 12 | 1NT | ♦A | +1 | +0 |
| +1.6 | Round 13 | CHINA LADIES TEAM | 5 | 4♠ | ♣K | = | -1 |
| +1.4 | Round 4 | MAHAFFEY | 9 | 3♠ | ♥3 | -1 | -1 |
| +1.4 | Round 6 | EMERALD | 26 | 4♠ | ♦2 | +2 | +1 |
| +1.0 | Round 6 | EMERALD | 30 | 3♠ | ♣3 | -1 | +1 |
| +0.9 | Round 11 | NEMESIS | 12 | 2♥ | ♣K | +1 | +1 |
| +0.9 | Round 13 | CHINA LADIES TEAM | 8 | 3♦ | ♣7 | +1 | +7 |
| +0.8 | Round 11 | NEMESIS | 20 | 3NT | ♠2 | +2 | +1 |
| +0.4 | Round 7 | MORAN | 1 | 4♠ | ♦10 | +2 | -11 |
| +0.2 | Round 8 | NONAME TUR | 18 | 3NT | ♠4 | +1 | +0 |
| -0.1 | Round 11 | NEMESIS | 15 | 4♠ | ♥3 | = | +1 |
| -0.1 | Round 13 | CHINA LADIES TEAM | 10 | 4♥ | ♥A | = | +0 |
| -0.2 | Round 5 | ERA | 15 | 4♠ | ♦2 | +1 | +0 |
| -0.2 | Round 7 | MORAN | 8 | 3♠ | ♦2 | -1 | +2 |
| -0.2 | Round 11 | NEMESIS | 17 | 3♠ | ♥K | -1 | -4 |
| -0.2 | Round 12 | VYTAS | 26 | 3NT | ♠2 | +1 | +0 |
| -0.2 | Round 15 | DE BOTTON | 24 | 4♥ | ♠K | = | -11 |
| -0.3 | Round 5 | ERA | 12 | 1NT | ♣7 | -1 | -1 |
| -0.3 | Round 8 | NONAME TUR | 16 | 4♠ | ♦K | = | +0 |
| -0.3 | Round 13 | CHINA LADIES TEAM | 4 | 4♥ | ♠6 | +1 | +0 |
| -0.4 | Round 6 | EMERALD | 21 | 1NTx | ♣2 | -1 | -3 |
| -0.4 | Round 12 | VYTAS | 23 | 6♦ | ♠2 | +1 | -13 |
| -0.4 | Round 12 | VYTAS | 24 | 4♥ | ♦3 | +2 | -1 |
| -0.4 | Round 15 | DE BOTTON | 27 | 4♠x | ♥K | -2 | +3 |
| -0.5 | Round 4 | MAHAFFEY | 8 | 2NT | ♠A | +1 | +6 |
| -0.5 | Round 8 | NONAME TUR | 20 | 3NT | ♥2 | = | -2 |
| -0.6 | Round 4 | MAHAFFEY | 4 | 6♥ | ♠Q | +1 | +1 |
| -0.6 | Round 6 | EMERALD | 28 | 4♥ | ♦2 | -2 | -5 |
| -0.6 | Round 15 | DE BOTTON | 22 | 3♦ | ♣K | +1 | +0 |
| -0.6 | Round 15 | DE BOTTON | 25 | 4♦ | ♥J | +2 | -10 |
| -0.7 | Round 7 | MORAN | 6 | 3♦ | ♦2 | -3 | -2 |
| -0.9 | Round 8 | NONAME TUR | 17 | 3NT | ♦3 | +2 | -1 |
| -1.2 | Round 7 | MORAN | 2 | 3NT | ♦2 | -1 | +0 |
| -1.3 | Round 4 | MAHAFFEY | 1 | 6NT | ♦7 | = | +10 |
| -1.6 | Round 5 | ERA | 13 | 3♣ | ♦2 | = | +0 |
| -1.7 | Round 8 | NONAME TUR | 14 | 2♣x | ♣7 | -2 | -3 |
| -1.8 | Round 12 | VYTAS | 22 | 5♣x | ♥K | = | -4 |
| -1.8 | Round 15 | DE BOTTON | 30 | 5♣ | ♠K | -1 | -4 |
| -2.1 | Round 11 | NEMESIS | 18 | 4♥ | ♣4 | +1 | -1 |
| -2.2 | Round 14 | ASSAEL | 14 | 3NT | ♣4 | -1 | -10 |
| -2.5 | Round 5 | ERA | 14 | 1NT | ♦2 | = | -6 |
| -2.5 | Round 13 | CHINA LADIES TEAM | 1 | 4♥ | ♠Q | -1 | -4 |
| -2.5 | Round 14 | ASSAEL | 18 | 4♠ | ♦J | +1 | +13 |
| -2.6 | Round 13 | CHINA LADIES TEAM | 6 | 3NT | ♥5 | +3 | +10 |
| -2.8 | Round 14 | ASSAEL | 17 | 3♣ | ♣A | = | +0 |
| -2.8 | Round 15 | DE BOTTON | 23 | 3♦ | ♥K | +1 | -7 |
| -2.9 | Round 4 | MAHAFFEY | 10 | 4♥ | ♣2 | = | -3 |
| -3.1 | Round 4 | MAHAFFEY | 6 | 3NT | ♥3 | +1 | -4 |
| -3.1 | Round 5 | ERA | 19 | 4♥ | ♦2 | +1 | +0 |
| -3.1 | Round 7 | MORAN | 9 | 4♥ | ♦2 | = | -3 |
| -3.3 | Round 14 | ASSAEL | 15 | 2♥ | ♣Q | +1 | -6 |
| -3.4 | Round 5 | ERA | 20 | 4♥ | ♦2 | +1 | +13 |
| -3.8 | Round 4 | MAHAFFEY | 7 | 2♠ | ♥2 | +1 | +0 |
| -3.8 | Round 8 | NONAME TUR | 11 | 6♥ | ♦Q | = | +11 |
| -3.9 | Round 7 | MORAN | 3 | 4♠ | ♣4 | = | -10 |
| -4.0 | Round 11 | NEMESIS | 13 | 4♥ | ♠A | -1 | -6 |
| -4.3 | Round 12 | VYTAS | 27 | 4♥ | ♠K | -5 | -9 |
| -4.3 | Round 14 | ASSAEL | 19 | 2♠ | ♥J | +1 | -10 |
| -4.4 | Round 7 | MORAN | 5 | 3♠ | ♦2 | +1 | -4 |
| -4.6 | Round 8 | NONAME TUR | 19 | 3♥ | ♣K | +1 | -6 |
| -5.0 | Round 5 | ERA | 11 | 2♦x | ♥7 | -2 | -5 |
| -5.1 | Round 13 | CHINA LADIES TEAM | 2 | 4♥ | ♣A | -2 | -11 |
| -5.3 | Round 15 | DE BOTTON | 29 | 3NT | ♠5 | -1 | -6 |
| -5.9 | Round 6 | EMERALD | 24 | 3NT | ♥A | -1 | -10 |
| -6.3 | Round 5 | ERA | 17 | 6♦ | ♦2 | -1 | -11 |
| -6.3 | Round 7 | MORAN | 10 | 6♥ | ♦2 | +1 | +13 |
| -6.3 | Round 14 | ASSAEL | 13 | 4♠ | ♥J | = | +0 |
| -7.8 | Round 6 | EMERALD | 23 | 4♠ | ♦2 | +1 | -11 |
| -8.1 | Round 12 | VYTAS | 29 | 3♠ | ♦J | = | -12 |
| -9.3 | Round 5 | ERA | 16 | 6♥ | ♦2 | -1 | -14 |
| -10.3 | Round 5 | ERA | 18 | 6♥ | ♦2 | -1 | -13 |
| -11.4 | Round 11 | NEMESIS | 16 | 5♠x | ♥A | = | -10 |