KOZIKOWSKI Andrzej · OLBACI
552rank
-42.1Butler · 98 bds
-0.43per board
±4.1swing
-0.17vs par /bd · #403/675
-0.57adjusted /bd
by round
vs par split: bidding +0.72 · play -0.90
Strength of schedule: opponents averaged -0.14/bd (an easy draw) → opponent-adjusted -0.57/bd
Card play — on target: opening leads 87.5% #52 of 675 · declarer play 50.0% #670 of 675 · defence 76.0% #612 of 675
Bidding activity — not a pass: 45.8% #180 of 675 (130/284)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 90.0% (10) |
| Declarer play | 40.0% (5) | 54.5% (11) |
| Defence | 80.0% (15) | 74.3% (35) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (5) · ♦ 100.0% (1) · ♣ 85.7% (7)
vs par by strain: NT -0.23 (34) · a suit -0.14 (64)
vs par by level: part-score -0.52 (25) · game +0.00 (65) · slam -0.50 (8)
By role: declaring -0.29/bd (-3.15 vs par · 48) · defending -0.56/bd (+2.68 vs par · 50)
By vulnerability: vulnerable -1.54/bd (-1.43 vs par · 49) · not vulnerable +0.68/bd (+1.08 vs par · 49)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Ciszak | L.Rizzo – H.Camberos | Closed | 14 | -26.3 | -1.88 | -1.00 |
| Round 2 | P.Ciszak | K.Kontomitros – T.Koukouselis | Closed | 14 | +2.3 | +0.16 | -2.71 |
| Round 3 | P.Ciszak | M.Sun – M.Shen | Open | 14 | -21.9 | -1.56 | -1.93 |
| Round 4 | M.Sobczak | P.Stezala – W.Bondarewicz | Closed | 14 | +18.6 | +1.33 | +2.29 |
| Round 6 | P.Ciszak | M.Krasnicki – K.Barnat | Closed | 14 | +6.2 | +0.44 | +1.93 |
| Round 7 | P.Ciszak | W.Huang – Y.Wu | Closed | 14 | +1.0 | +0.07 | +0.43 |
| Round 8 | P.Ciszak | S.Burns – P.Janicki | Open | 14 | -22.0 | -1.57 | -0.21 |
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 4 | SZCZECIN UNIVERSITY | 17 | 6NT | ♠T | +1 | +11 |
| +9.3 | Round 7 | BLUE SKY THINKING BC | 2 | 6♦ | ♠A | = | +0 |
| +8.0 | Round 1 | CAMBEROS | 3 | 3NT | ♠8 | -2 | +8 |
| +7.5 | Round 2 | REASON | 22 | 7♣ | ♠8 | = | -2 |
| +6.2 | Round 1 | CAMBEROS | 1 | 3NTx | ♠2 | -2 | +9 |
| +5.0 | Round 6 | TWOB | 21 | 4♠x | ♣Q | -1 | +6 |
| +4.9 | Round 6 | TWOB | 16 | 2♥ | ♠2 | +3 | +12 |
| +4.6 | Round 4 | SZCZECIN UNIVERSITY | 20 | 3NT | ♣Q | -1 | +6 |
| +4.4 | Round 6 | TWOB | 15 | 4♠ | ♥7 | = | +11 |
| +4.4 | Round 6 | TWOB | 25 | 2NT | ♦T | +2 | +2 |
| +4.0 | Round 7 | BLUE SKY THINKING BC | 6 | 2♥ | ♣5 | -1 | +5 |
| +3.8 | Round 1 | CAMBEROS | 6 | 4♥x | ♠2 | -1 | +0 |
| +3.8 | Round 2 | REASON | 17 | 3NT | ♠8 | +1 | +0 |
| +3.7 | Round 2 | REASON | 21 | 4♥ | ♠8 | -1 | +5 |
| +3.6 | Round 4 | SZCZECIN UNIVERSITY | 23 | 3NT | ♥9 | -1 | +12 |
| +3.4 | Round 3 | CHINA EVERTRUST | 6 | 5♦ | ♠K | -2 | +5 |
| +3.4 | Round 7 | BLUE SKY THINKING BC | 4 | 4♠ | ♣A | -1 | +12 |
| +3.1 | Round 7 | BLUE SKY THINKING BC | 11 | 5♦ | ♥A | -1 | +5 |
| +2.8 | Round 3 | CHINA EVERTRUST | 5 | 3NT | ♠2 | = | -1 |
| +2.6 | Round 6 | TWOB | 24 | 3NT | ♠J | = | +0 |
| +2.5 | Round 4 | SZCZECIN UNIVERSITY | 24 | 4♠ | ♣4 | -1 | +10 |
| +2.5 | Round 4 | SZCZECIN UNIVERSITY | 25 | 3♠ | ♦K | -1 | +5 |
| +2.4 | Round 4 | SZCZECIN UNIVERSITY | 21 | 2♠ | ♠9 | -1 | +0 |
| +2.2 | Round 7 | BLUE SKY THINKING BC | 8 | 3NT | ♣4 | -1 | +5 |
| +2.1 | Round 1 | CAMBEROS | 8 | 4♠ | ♥6 | -1 | +5 |
| +2.1 | Round 8 | MAPLE BAGUETTES | 22 | 4♠ | ♦T | = | +0 |
| +1.9 | Round 2 | REASON | 24 | 5♦ | ♥K | -1 | +4 |
| +1.9 | Round 7 | BLUE SKY THINKING BC | 14 | 4♥ | ♠Q | = | -1 |
| +1.8 | Round 8 | MAPLE BAGUETTES | 16 | 4♠ | ♣A | +1 | +11 |
| +1.7 | Round 2 | REASON | 23 | 5♣ | ♥A | +1 | -10 |
| +1.6 | Round 2 | REASON | 18 | 1NT | ♥5 | = | +0 |
| +1.4 | Round 2 | REASON | 27 | 3♠ | ♥6 | = | +0 |
| +1.4 | Round 3 | CHINA EVERTRUST | 14 | 4♥ | ♣9 | = | +3 |
| +1.2 | Round 7 | BLUE SKY THINKING BC | 3 | 4♠ | ♥6 | -1 | -2 |
| +1.0 | Round 3 | CHINA EVERTRUST | 1 | 3NT | ♦5 | = | +0 |
| +1.0 | Round 4 | SZCZECIN UNIVERSITY | 15 | 3NT | ♠J | = | -1 |
| +0.8 | Round 4 | SZCZECIN UNIVERSITY | 18 | 4♠ | ♥A | +2 | +12 |
| +0.8 | Round 4 | SZCZECIN UNIVERSITY | 27 | 3NT | ♥4 | = | +0 |
| +0.7 | Round 2 | REASON | 15 | 3NT | ♠2 | +1 | +0 |
| +0.7 | Round 3 | CHINA EVERTRUST | 11 | 6♣ | ♠5 | = | +11 |
| +0.7 | Round 6 | TWOB | 22 | 3NT | ♥J | +2 | +0 |
| +0.5 | Round 2 | REASON | 28 | 3NT | ♣5 | = | +1 |
| +0.3 | Round 2 | REASON | 16 | 1NT | ♦9 | = | +5 |
| +0.3 | Round 7 | BLUE SKY THINKING BC | 5 | 2♠ | ♦K | +1 | +0 |
| +0.2 | Round 4 | SZCZECIN UNIVERSITY | 19 | 2♠ | ♦4 | +1 | -10 |
| +0.2 | Round 6 | TWOB | 23 | 3NT | ♣5 | +1 | +1 |
| -0.0 | Round 4 | SZCZECIN UNIVERSITY | 28 | 5♥x | ♠A | -2 | +2 |
| +0.0 | Round 8 | MAPLE BAGUETTES | 15 | 3♦ | ♦7 | = | +0 |
| -0.2 | Round 3 | CHINA EVERTRUST | 3 | 4♥ | ♦K | +1 | -11 |
| -0.2 | Round 8 | MAPLE BAGUETTES | 23 | 2♠ | ♣J | +2 | -1 |
| -0.3 | Round 3 | CHINA EVERTRUST | 4 | 3♠ | ♥A | -1 | +1 |
| -0.3 | Round 6 | TWOB | 19 | 3NT | ♠8 | +1 | +0 |
| -0.7 | Round 2 | REASON | 25 | 4♥ | ♠4 | = | -1 |
| -0.7 | Round 8 | MAPLE BAGUETTES | 17 | 4♠ | ♣T | +1 | +8 |
| -0.8 | Round 6 | TWOB | 20 | 4♦ | ♥2 | -1 | +11 |
| -0.9 | Round 6 | TWOB | 26 | 2♦ | ♥K | +2 | -9 |
| -1.0 | Round 8 | MAPLE BAGUETTES | 24 | 5♠ | ♣A | = | +0 |
| -1.0 | Round 8 | MAPLE BAGUETTES | 25 | 1NT | ♦2 | = | +1 |
| -1.2 | Round 1 | CAMBEROS | 4 | 6♠ | ♥T | = | +13 |
| -1.2 | Round 7 | BLUE SKY THINKING BC | 1 | 5♠ | ♦J | +1 | -1 |
| -1.4 | Round 4 | SZCZECIN UNIVERSITY | 16 | 3NT | ♥4 | +1 | +0 |
| -1.8 | Round 1 | CAMBEROS | 2 | 3♣ | ♠K | = | -11 |
| -1.8 | Round 3 | CHINA EVERTRUST | 7 | 2NT | ♦J | = | -1 |
| -1.9 | Round 1 | CAMBEROS | 12 | 4♥ | ♠9 | = | +0 |
| -1.9 | Round 6 | TWOB | 27 | 3NT | ♥T | +1 | -10 |
| -1.9 | Round 8 | MAPLE BAGUETTES | 18 | 2NT | ♥5 | -1 | -4 |
| -1.9 | Round 8 | MAPLE BAGUETTES | 19 | 3♦ | ♣Q | +1 | +0 |
| -2.0 | Round 1 | CAMBEROS | 11 | 4♠ | ♣5 | +1 | +0 |
| -2.1 | Round 3 | CHINA EVERTRUST | 13 | 3♥ | ♦6 | -1 | -5 |
| -2.1 | Round 7 | BLUE SKY THINKING BC | 12 | 3NT | ♥4 | = | +1 |
| -2.4 | Round 3 | CHINA EVERTRUST | 9 | 3NT | ♠5 | -1 | +6 |
| -2.5 | Round 1 | CAMBEROS | 14 | 2♠ | ♦5 | = | +0 |
| -2.5 | Round 6 | TWOB | 18 | 4♥ | ♠6 | = | +11 |
| -2.7 | Round 7 | BLUE SKY THINKING BC | 13 | 3♥ | ♣A | +1 | +1 |
| -2.7 | Round 8 | MAPLE BAGUETTES | 20 | 4♥ | ♣A | +1 | +0 |
| -3.0 | Round 3 | CHINA EVERTRUST | 8 | 4♠ | ♣K | -3 | -2 |
| -3.0 | Round 8 | MAPLE BAGUETTES | 21 | 4♠ | ♥5 | = | -3 |
| -3.0 | Round 8 | MAPLE BAGUETTES | 26 | 4♥ | ♣7 | +1 | +0 |
| -3.1 | Round 8 | MAPLE BAGUETTES | 28 | 6♠ | ♦T | +1 | -11 |
| -3.5 | Round 6 | TWOB | 28 | 1NT | ♠Q | = | -5 |
| -3.6 | Round 7 | BLUE SKY THINKING BC | 9 | 3NT | ♣3 | -2 | -7 |
| -4.3 | Round 4 | SZCZECIN UNIVERSITY | 26 | 3♣ | ♣4 | +1 | -10 |
| -4.4 | Round 3 | CHINA EVERTRUST | 2 | 4♠ | ♣3 | -2 | -12 |
| -4.5 | Round 2 | REASON | 20 | 6♥ | ♣4 | -1 | -13 |
| -4.5 | Round 2 | REASON | 26 | 6♣ | ♥T | -2 | -13 |
| -5.0 | Round 1 | CAMBEROS | 13 | 3NT | ♠4 | = | -10 |
| -5.7 | Round 4 | SZCZECIN UNIVERSITY | 22 | 3NT | ♠A | -3 | -5 |
| -5.7 | Round 7 | BLUE SKY THINKING BC | 7 | 4♥ | ♠K | = | +1 |
| -6.1 | Round 6 | TWOB | 17 | 5♦ | ♠A | = | -3 |
| -6.2 | Round 1 | CAMBEROS | 9 | 4♥ | ♠7 | = | -3 |
| -6.4 | Round 1 | CAMBEROS | 5 | 3NT | ♦4 | +1 | -7 |
| -7.4 | Round 3 | CHINA EVERTRUST | 10 | 3NT | ♦A | -1 | -12 |
| -7.4 | Round 8 | MAPLE BAGUETTES | 27 | 4♠ | ♦J | +1 | -4 |
| -8.5 | Round 1 | CAMBEROS | 10 | 4♥ | ♦J | -2 | -13 |
| -9.1 | Round 7 | BLUE SKY THINKING BC | 10 | 3NT | ♣J | -2 | -13 |
| -9.6 | Round 3 | CHINA EVERTRUST | 12 | 4♠ | ♣A | +1 | -9 |
| -10.9 | Round 1 | CAMBEROS | 7 | 4♠x | ♣8 | = | -5 |
| -11.1 | Round 2 | REASON | 19 | 4♥x | ♣3 | -3 | -14 |