KOWALSKI Dariusz · CONNECTOR
271rank
+3.6Butler · 90 bds
+0.04per board
±5.1swing
+0.88vs par /bd · #54/553
+0.48adjusted /bd
by round
vs par split: bidding +0.64 · play +0.23
Strength of schedule: opponents averaged +0.44/bd (a tough draw) → opponent-adjusted +0.48/bd
Card play — on target: opening leads 60.9% #532 of 551 · declarer play 90.5% #20 of 551 · defence 79.7% #440 of 553
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (6) | 70.6% (17) |
| Declarer play | 100.0% (6) | 86.7% (15) |
| Defence | 86.7% (15) | 77.3% (44) |
Opening leads by suit led: ♠ 50.0% (8) · ♥ 60.0% (5) · ♦ 71.4% (7) · ♣ 66.7% (3)
vs par by strain: NT +0.58 (26) · a suit +1.00 (64)
vs par by level: part-score +0.73 (33) · game +1.22 (46) · slam -0.09 (11)
By role: declaring -0.17/bd (-2.23 vs par · 31) · defending +0.15/bd (+2.51 vs par · 59)
By vulnerability: vulnerable -0.09/bd (+1.41 vs par · 46) · not vulnerable +0.17/bd (+0.32 vs par · 44)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Bizon | S.Mohandes – A.Bowles | Closed | 10 | +2.9 | +0.29 | +3.90 |
| Round 2 | P.Bizon | F.Helness – L.Aaseng | Closed | 10 | +7.4 | +0.74 | +0.30 |
| Round 3 | P.Bizon | M.Macura – V.Volhejn | Closed | 10 | +10.8 | +1.08 | +2.30 |
| Round 4 | P.Bizon | S.Simonsen – C.Bakke | Open | 10 | -2.9 | -0.29 | +0.90 |
| Round 6 | P.Bizon | P.Marill – P.Cronier | Closed | 10 | -7.0 | -0.70 | -1.30 |
| Round 7 | P.Bizon | D.Bakhshi – G.Hampson | Closed | 10 | -5.9 | -0.59 | -0.70 |
| Round 8 | P.Bizon | C.Willenken – E.Ginossar | Open | 10 | +7.2 | +0.72 | +1.50 |
| Round 9 | P.Bizon | B.Drijver – B.Nab | Closed | 10 | -11.6 | -1.16 | -0.20 |
| Round 10 | P.Bizon | F.Viggiano – F.Nicolodi | Closed | 10 | +2.7 | +0.27 | +1.20 |
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 |
|---|---|---|---|---|---|---|---|
| +14.1 | Round 1 | MOSTYN | 5 | 6♥ | ♠10 | -1 | +14 |
| +11.4 | Round 3 | COVFEFE 4 | 27 | 3♥x | ♠3 | -4 | +8 |
| +11.3 | Round 10 | FEDERIGHI | 1 | 2♠ | ♠3 | +4 | +15 |
| +11.1 | Round 4 | GRY FOREVER | 7 | 6♣ | ♥K | -2 | +13 |
| +9.8 | Round 8 | ROSENTHAL | 13 | 3NT | ♠K | -1 | +12 |
| +8.9 | Round 9 | NETHERLANDS RED | 26 | 4♥ | ♠K | = | +13 |
| +7.7 | Round 2 | LASJ | 19 | 3NTx | ♣2 | -2 | +10 |
| +6.9 | Round 8 | ROSENTHAL | 12 | 5♥ | ♠K | -1 | +10 |
| +6.5 | Round 2 | LASJ | 13 | 6♠ | ♠2 | = | +0 |
| +5.8 | Round 7 | CREMIN | 5 | 3♣ | ♦K | +1 | +7 |
| +5.2 | Round 3 | COVFEFE 4 | 26 | 3NT | ♥8 | -1 | +6 |
| +5.2 | Round 4 | GRY FOREVER | 2 | 3NT | ♥5 | -1 | +12 |
| +4.9 | Round 7 | CREMIN | 1 | 4♥ | ♦4 | = | +0 |
| +4.9 | Round 9 | NETHERLANDS RED | 21 | 4♠ | ♦A | -2 | +8 |
| +4.4 | Round 1 | MOSTYN | 3 | 3NT | ♠10 | +1 | +8 |
| +4.2 | Round 3 | COVFEFE 4 | 22 | 3♠ | ♣A | -1 | +12 |
| +4.1 | Round 3 | COVFEFE 4 | 29 | 3♦ | ♠3 | = | +9 |
| +4.1 | Round 6 | MARILL | 22 | 4♠ | ♦7 | = | +0 |
| +3.7 | Round 1 | MOSTYN | 9 | 5♦ | ♣A | = | +11 |
| +3.4 | Round 10 | FEDERIGHI | 7 | 3♥ | ♥2 | -1 | +5 |
| +3.1 | Round 3 | COVFEFE 4 | 25 | 2♠ | ♦J | +1 | +6 |
| +3.1 | Round 4 | GRY FOREVER | 1 | 3♥ | ♠6 | -3 | +1 |
| +3.1 | Round 7 | CREMIN | 8 | 3♥ | ♥J | +1 | +6 |
| +2.9 | Round 4 | GRY FOREVER | 9 | 5♦ | ♠5 | -1 | +10 |
| +2.6 | Round 10 | FEDERIGHI | 9 | 3♦ | ♥8 | = | +6 |
| +2.0 | Round 7 | CREMIN | 10 | 2♥ | ♦J | +2 | +10 |
| +1.7 | Round 10 | FEDERIGHI | 5 | 3NT | ♥Q | +2 | +0 |
| +1.6 | Round 9 | NETHERLANDS RED | 29 | 3NT | ♠8 | +2 | +1 |
| +1.2 | Round 8 | ROSENTHAL | 14 | 3♦ | ♦3 | = | +5 |
| +1.0 | Round 8 | ROSENTHAL | 16 | 4♥ | ♠Q | -1 | +12 |
| +0.9 | Round 2 | LASJ | 11 | 4♠ | ♦9 | +1 | +0 |
| +0.9 | Round 2 | LASJ | 12 | 4♥ | ♥2 | = | +0 |
| +0.9 | Round 6 | MARILL | 23 | 4♥ | ♣10 | -1 | +12 |
| +0.8 | Round 2 | LASJ | 14 | 1NT | ♠A | = | +1 |
| +0.8 | Round 10 | FEDERIGHI | 4 | 3NT | ♠4 | +3 | +1 |
| +0.7 | Round 1 | MOSTYN | 2 | 5♠ | ♥5 | = | +0 |
| +0.6 | Round 6 | MARILL | 25 | 4♥ | ♣10 | +2 | -8 |
| +0.6 | Round 9 | NETHERLANDS RED | 25 | 2♠ | ♥A | +2 | +1 |
| +0.5 | Round 6 | MARILL | 30 | 4♥ | ♦K | -1 | +10 |
| +0.4 | Round 7 | CREMIN | 3 | 1NT | ♣3 | = | +0 |
| +0.3 | Round 6 | MARILL | 27 | 3NT | ♣3 | +1 | +0 |
| +0.3 | Round 8 | ROSENTHAL | 19 | 1NT | ♥6 | +2 | -7 |
| +0.2 | Round 6 | MARILL | 28 | 3NT | ♠8 | +1 | +0 |
| +0.1 | Round 2 | LASJ | 18 | 2♥ | ♠6 | -1 | +0 |
| +0.1 | Round 9 | NETHERLANDS RED | 27 | 4♥ | ♦7 | +1 | +0 |
| +0.1 | Round 10 | FEDERIGHI | 6 | 4♥ | ♣10 | = | -1 |
| -0.0 | Round 1 | MOSTYN | 7 | 4♥ | ♦9 | = | +0 |
| +0.0 | Round 10 | FEDERIGHI | 10 | 4♠ | ♥5 | -1 | +5 |
| -0.1 | Round 6 | MARILL | 24 | 3NT | ♠2 | +1 | +1 |
| -0.1 | Round 8 | ROSENTHAL | 18 | 6♥x | ♠A | -2 | +0 |
| -0.1 | Round 8 | ROSENTHAL | 20 | 2NT | ♣7 | = | -1 |
| -0.1 | Round 10 | FEDERIGHI | 2 | 3NT | ♦Q | -2 | +0 |
| -0.2 | Round 1 | MOSTYN | 8 | 3NT | ♥2 | +3 | +11 |
| -0.7 | Round 7 | CREMIN | 4 | 3NT | ♥4 | = | -1 |
| -0.9 | Round 2 | LASJ | 16 | 4♥ | ♣J | = | +1 |
| -1.0 | Round 1 | MOSTYN | 10 | 3NT | ♥4 | -3 | -4 |
| -1.2 | Round 3 | COVFEFE 4 | 24 | 3NT | ♣J | +3 | -2 |
| -1.2 | Round 4 | GRY FOREVER | 10 | 4♠ | ♦2 | +1 | -1 |
| -1.3 | Round 2 | LASJ | 15 | 2♠ | ♥J | = | +1 |
| -1.5 | Round 4 | GRY FOREVER | 6 | 2♥ | ♦4 | -1 | -2 |
| -1.7 | Round 3 | COVFEFE 4 | 21 | 2♥ | ♦K | +1 | +0 |
| -1.7 | Round 6 | MARILL | 21 | 1NT | ♥2 | = | +1 |
| -1.8 | Round 7 | CREMIN | 6 | 3NT | ♦Q | +2 | -1 |
| -2.0 | Round 1 | MOSTYN | 1 | 6♠ | ♣2 | = | +0 |
| -2.4 | Round 3 | COVFEFE 4 | 28 | 4♠ | ♦K | = | +0 |
| -2.6 | Round 4 | GRY FOREVER | 5 | 4♠ | ♣2 | -1 | -5 |
| -2.6 | Round 7 | CREMIN | 9 | 2♦ | ♠4 | = | -6 |
| -2.6 | Round 8 | ROSENTHAL | 11 | 6♥ | ♣K | +1 | -11 |
| -2.8 | Round 9 | NETHERLANDS RED | 22 | 3♣ | ♠2 | = | +0 |
| -3.0 | Round 2 | LASJ | 17 | 1NT | ♥9 | = | -5 |
| -3.1 | Round 6 | MARILL | 26 | 4♥ | ♣4 | +2 | -13 |
| -3.4 | Round 8 | ROSENTHAL | 15 | 2♥ | ♦A | = | +0 |
| -3.8 | Round 3 | COVFEFE 4 | 30 | 3♥ | ♠10 | = | -6 |
| -3.9 | Round 9 | NETHERLANDS RED | 28 | 3♦ | ♥K | = | -1 |
| -4.0 | Round 9 | NETHERLANDS RED | 30 | 5♦ | ♥Q | -2 | -8 |
| -4.2 | Round 9 | NETHERLANDS RED | 23 | 6♦ | ♠6 | = | +0 |
| -4.3 | Round 2 | LASJ | 20 | 2♠ | ♥Q | = | -5 |
| -4.3 | Round 10 | FEDERIGHI | 8 | 4♠x | ♦A | -1 | -5 |
| -4.4 | Round 4 | GRY FOREVER | 4 | 3♦ | ♣9 | -1 | -5 |
| -5.8 | Round 8 | ROSENTHAL | 17 | 1NTx | ♦Q | +1 | -5 |
| -6.0 | Round 1 | MOSTYN | 6 | 6♠ | ♦5 | +1 | -1 |
| -6.9 | Round 7 | CREMIN | 7 | 1NT | ♦3 | +3 | -13 |
| -7.4 | Round 4 | GRY FOREVER | 8 | 4♠ | ♥7 | +3 | -14 |
| -8.1 | Round 3 | COVFEFE 4 | 23 | 3NT | ♣3 | -3 | -10 |
| -8.1 | Round 4 | GRY FOREVER | 3 | 6♠ | ♦Q | = | +0 |
| -8.7 | Round 6 | MARILL | 29 | 6♥ | ♦A | -3 | -16 |
| -10.1 | Round 7 | CREMIN | 2 | 4♠x | ♥Q | -3 | -9 |
| -10.8 | Round 1 | MOSTYN | 4 | 6♥ | ♠4 | = | +0 |
| -12.8 | Round 9 | NETHERLANDS RED | 24 | 4♥ | ♠J | = | -16 |
| -12.8 | Round 10 | FEDERIGHI | 3 | 2♥x | ♠7 | = | -14 |