KOZLOWSKA Klara · VERCO CKIS SKAWINA
vs par split: bidding +1.23 · play +0.30
Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted +0.42/bd
Card play — on target: opening leads 80.0% #73 of 144 · declarer play 83.3% #28 of 144 · defence 87.5% #29 of 144
Bidding activity — not a pass: 26.8% #141 of 144 (41/153)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (1) | 84.2% (19) |
| Declarer play | 100.0% (2) | 75.0% (4) |
| Defence | 85.7% (7) | 87.9% (33) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 80.0% (5) · ♦ 83.3% (6) · ♣ 83.3% (6)
vs par by strain: NT -1.42 (12) · a suit +2.34 (44)
vs par by level: part-score +3.29 (24) · game -0.38 (29) · slam +6.00 (3)
By role: declaring +0.28/bd (-3.06 vs par · 16) · defending +0.72/bd (+3.38 vs par · 40)
By vulnerability: vulnerable +0.11/bd (+1.11 vs par · 28) · not vulnerable +1.07/bd (+1.96 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | W.Romanska | D.Rzeczkowski – A.Jagniewski | Open | 8 | +26.7 | +3.34 | +2.75 |
| Round 3 | J.Zietarski | K.Keska – M.Schroder | Open | 8 | +5.2 | +0.65 | +0.50 |
| Round 4 | W.Romanska | E.Liu – Y.Xu | Open | 8 | +0.9 | +0.11 | -3.00 |
| Round 6 | J.Zietarski | M.Holowacz – M.Adamczak | Open | 8 | +26.3 | +3.29 | +6.12 |
| Round 7 | W.Romanska | S.Psuty – O.Brylski | Open | 8 | -5.3 | -0.66 | -0.50 |
| Round 9 | J.Zietarski | G.Szabo – Z.Zabradi | Open | 8 | -23.6 | -2.95 | +1.12 |
| Round 10 | W.Romanska | G.Duterte – S.Garcia | Open | 8 | +3.1 | +0.39 | +3.75 |
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 |
|---|---|---|---|---|---|---|---|
| +14.4 | Round 6 | AZS UW WARSAW 1 | 16 | 6♠x | ♣6 | -3 | +16 |
| +9.6 | Round 4 | CHINA SMZY SPLINTER | 24 | 4♥x | ♦8 | -3 | +3 |
| +8.9 | Round 3 | KLUB LOGICZNY 1 | 13 | 4♠ | ♥A | -1 | +6 |
| +7.4 | Round 7 | KRAKOW I BRODNICA | 26 | 4♠ | ♦3 | -2 | +8 |
| +7.3 | Round 1 | SPOJNIA U16 YELLOW | 25 | 3NT | ♦2 | = | -1 |
| +7.1 | Round 10 | FRANCE | 27 | 3♥ | ♦Q | -1 | +11 |
| +5.9 | Round 7 | KRAKOW I BRODNICA | 21 | 3NT | ♠K | -2 | +7 |
| +5.8 | Round 6 | AZS UW WARSAW 1 | 13 | 3♥ | ♠8 | -2 | +7 |
| +5.3 | Round 1 | SPOJNIA U16 YELLOW | 23 | 4♣ | ♠Q | -1 | -1 |
| +4.8 | Round 6 | AZS UW WARSAW 1 | 17 | 2♠ | ♣3 | -1 | +10 |
| +4.5 | Round 4 | CHINA SMZY SPLINTER | 28 | 4♥ | ♦Q | -2 | +2 |
| +4.2 | Round 6 | AZS UW WARSAW 1 | 11 | 5♦ | ♦T | -1 | +10 |
| +4.1 | Round 1 | SPOJNIA U16 YELLOW | 24 | 2♥ | ♠T | +1 | +7 |
| +3.8 | Round 1 | SPOJNIA U16 YELLOW | 21 | 4♠ | ♥9 | +1 | +1 |
| +3.2 | Round 3 | KLUB LOGICZNY 1 | 11 | 1♠ | ♣9 | +1 | +1 |
| +3.0 | Round 10 | FRANCE | 25 | 3♥ | ♣6 | = | +12 |
| +2.9 | Round 1 | SPOJNIA U16 YELLOW | 22 | 3♣ | ♥8 | = | +0 |
| +2.9 | Round 4 | CHINA SMZY SPLINTER | 25 | 3NT | ♠6 | -1 | +5 |
| +2.4 | Round 6 | AZS UW WARSAW 1 | 14 | 4♠ | ♣8 | +2 | +2 |
| +2.3 | Round 1 | SPOJNIA U16 YELLOW | 28 | 3♠ | ♣5 | +1 | +8 |
| +1.9 | Round 7 | KRAKOW I BRODNICA | 28 | 4♣ | ♠6 | -2 | +2 |
| +1.8 | Round 9 | CZE HUN | 12 | 2♠ | ♥J | -1 | +5 |
| +1.7 | Round 6 | AZS UW WARSAW 1 | 12 | 3NT | ♣5 | -2 | +5 |
| +1.6 | Round 3 | KLUB LOGICZNY 1 | 15 | 4♠ | ♥K | +1 | +0 |
| +1.6 | Round 7 | KRAKOW I BRODNICA | 27 | 3♥ | ♥6 | +1 | +6 |
| +1.6 | Round 10 | FRANCE | 28 | 3♥ | ♣A | -1 | +5 |
| +1.5 | Round 9 | CZE HUN | 14 | 4♠ | ♣3 | +2 | +14 |
| +1.0 | Round 1 | SPOJNIA U16 YELLOW | 26 | 2♦ | ♥4 | +2 | +10 |
| +0.9 | Round 10 | FRANCE | 23 | 4♥ | ♦2 | -1 | +1 |
| +0.8 | Round 9 | CZE HUN | 15 | 2NT | ♦Q | = | +0 |
| +0.4 | Round 3 | KLUB LOGICZNY 1 | 14 | 4♠ | ♣9 | = | -9 |
| +0.3 | Round 10 | FRANCE | 22 | 3♦ | ♠7 | +2 | +6 |
| +0.2 | Round 4 | CHINA SMZY SPLINTER | 23 | 3NT | ♦6 | +3 | -17 |
| +0.1 | Round 6 | AZS UW WARSAW 1 | 18 | 3♠ | ♣K | = | +0 |
| +0.0 | Round 1 | SPOJNIA U16 YELLOW | 27 | 1♥ | ♠A | -1 | -2 |
| -0.2 | Round 9 | CZE HUN | 13 | 2♠ | ♥6 | +1 | +10 |
| -0.3 | Round 3 | KLUB LOGICZNY 1 | 18 | 4♠ | ♦K | = | +11 |
| -0.4 | Round 4 | CHINA SMZY SPLINTER | 21 | 4♠x | ♣K | -1 | -6 |
| -1.1 | Round 3 | KLUB LOGICZNY 1 | 17 | 3♠ | ♦Q | -1 | -6 |
| -2.1 | Round 3 | KLUB LOGICZNY 1 | 16 | 4♠ | ♥9 | = | +0 |
| -2.2 | Round 10 | FRANCE | 26 | 2NT | ♥5 | +1 | +0 |
| -3.4 | Round 10 | FRANCE | 24 | 3NT | ♥A | -1 | -5 |
| -3.7 | Round 4 | CHINA SMZY SPLINTER | 27 | 2♠ | ♣4 | -2 | -6 |
| -3.9 | Round 7 | KRAKOW I BRODNICA | 22 | 3♥ | ♦6 | = | -1 |
| -4.0 | Round 9 | CZE HUN | 18 | 4♠ | ♦5 | -1 | -12 |
| -4.2 | Round 10 | FRANCE | 21 | 3NT | ♥K | = | +0 |
| -4.3 | Round 7 | KRAKOW I BRODNICA | 25 | 2NT | ♦5 | -3 | -5 |
| -4.6 | Round 4 | CHINA SMZY SPLINTER | 22 | 3NT | ♠6 | = | -5 |
| -4.8 | Round 7 | KRAKOW I BRODNICA | 24 | 4♠ | ♣Q | = | -8 |
| -5.4 | Round 3 | KLUB LOGICZNY 1 | 12 | 4♥ | ♠A | = | +1 |
| -6.4 | Round 9 | CZE HUN | 17 | 4♠ | ♥K | = | +1 |
| -6.6 | Round 9 | CZE HUN | 11 | 4♥ | ♠3 | -2 | -11 |
| -7.1 | Round 6 | AZS UW WARSAW 1 | 15 | 3NT | ♣Q | +1 | -1 |
| -7.6 | Round 4 | CHINA SMZY SPLINTER | 26 | 6♠ | ♦5 | = | +0 |
| -9.1 | Round 7 | KRAKOW I BRODNICA | 23 | 4♥ | ♣5 | +1 | -13 |
| -10.5 | Round 9 | CZE HUN | 16 | 6♣ | ♠5 | = | +2 |