JURKIEWICZ Kacper · VERCO CKIS SKAWINA
102rank
-28.5Butler · 80 bds
-0.36per board
±5.1swing
-0.57vs par /bd · #102/144
-0.11adjusted /bd
by round
vs par split: bidding +0.13 · play -0.82
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted -0.11/bd
Card play — on target: opening leads 84.2% #46 of 144 · declarer play 77.8% #45 of 144 · defence 62.9% #128 of 144
Bidding activity — not a pass: 45.1% #43 of 144 (96/213)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 78.6% (14) |
| Declarer play | 66.7% (6) | 83.3% (12) |
| Defence | 60.0% (10) | 64.0% (25) |
Opening leads by suit led: ♠ 83.3% (6) · ♥ 83.3% (6) · ♦ 100.0% (4) · ♣ 66.7% (3)
vs par by strain: NT -1.74 (23) · a suit -0.27 (56)
vs par by level: part-score +0.46 (37) · game -2.08 (39) · slam +3.00 (3)
By role: declaring -0.04/bd (-2.14 vs par · 44) · defending -0.95/bd (+1.11 vs par · 35)
By vulnerability: vulnerable -1.31/bd (-0.41 vs par · 34) · not vulnerable +0.35/bd (-0.70 vs par · 46)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | A.Mazur | K.Herman – K.Krygier | Closed | 8 | +30.1 | +3.76 | +4.50 |
| Round 2 | A.Mazur | M.Prokopowicz – K.Kisielewski | Closed | 8 | -17.6 | -2.20 | +0.88 |
| Round 3 | A.Mazur | P.Mykhashchuk – P.Mykhashchuk | Closed | 8 | -0.0 | -0.00 | +0.75 |
| Round 4 | A.Mazur | J.Zhou – O.Deng | Closed | 8 | -10.8 | -1.35 | +2.50 |
| Round 5 | A.Mazur | T.Bradkin – M.Blicharz | Closed | 8 | +2.0 | +0.25 | -1.12 |
| Round 6 | A.Mazur | K.Turant – J.Adamczak | Closed | 8 | -7.3 | -0.91 | -4.38 |
| Round 7 | A.Mazur | A.Stachura – A.Chmielewska | Closed | 8 | +0.3 | +0.04 | -0.38 |
| Round 8 | A.Mazur | C.Wu – T.Chen | Closed | 8 | +13.7 | +1.71 | +2.50 |
| Round 9 | A.Mazur | E.Konstacka – P.Slovakova | Closed | 8 | -6.5 | -0.81 | -4.25 |
| Round 10 | A.Mazur | R.Farissier – B.Legras | Closed | 8 | -32.4 | -4.05 | -6.75 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 5 | VERCO | 3 | 5♦x | ♠A | -2 | +12 |
| +9.5 | Round 8 | CT 360 | 7 | 6NT | ♣A | -2 | +13 |
| +8.4 | Round 7 | KRAKOW I BRODNICA | 23 | 4♥ | ♠3 | = | +13 |
| +8.2 | Round 7 | KRAKOW I BRODNICA | 24 | 4♠x | ♣A | = | +10 |
| +7.8 | Round 1 | SPOJNIA U16 YELLOW | 28 | 4♠ | ♥Q | +2 | +5 |
| +7.1 | Round 8 | CT 360 | 6 | 3NT | ♣5 | +1 | +1 |
| +6.6 | Round 1 | SPOJNIA U16 YELLOW | 21 | Pass | +9 | ||
| +6.6 | Round 1 | SPOJNIA U16 YELLOW | 25 | 1NT | ♥9 | -1 | +12 |
| +6.2 | Round 6 | AZS UW WARSAW 1 | 17 | 3NT | ♣A | +1 | +0 |
| +6.0 | Round 8 | CT 360 | 5 | 3♠ | ♥A | +1 | +14 |
| +5.9 | Round 4 | CHINA SMZY SPLINTER | 21 | 5♣ | ♠5 | -1 | +10 |
| +5.3 | Round 3 | KLUB LOGICZNY 1 | 17 | 2♠ | ♣3 | +1 | +10 |
| +4.6 | Round 4 | CHINA SMZY SPLINTER | 22 | 3NT | ♠4 | = | +5 |
| +4.5 | Round 8 | CT 360 | 3 | 3♥ | ♣K | +1 | +1 |
| +4.4 | Round 9 | CZE HUN | 12 | 2♣ | ♠Q | -2 | +2 |
| +3.8 | Round 1 | SPOJNIA U16 YELLOW | 24 | 4♥ | ♠2 | +1 | +1 |
| +3.8 | Round 5 | VERCO | 7 | 3♣ | ♦K | = | +6 |
| +3.6 | Round 1 | SPOJNIA U16 YELLOW | 27 | 1♥ | ♠K | = | +5 |
| +3.3 | Round 10 | FRANCE | 27 | 4♠ | ♣A | = | -1 |
| +3.2 | Round 1 | SPOJNIA U16 YELLOW | 22 | 2♥ | ♣J | +1 | +6 |
| +2.8 | Round 7 | KRAKOW I BRODNICA | 21 | 4♥ | ♣J | -3 | +1 |
| +2.5 | Round 2 | POLAND | 8 | 5♦ | ♦2 | +2 | +1 |
| +2.3 | Round 5 | VERCO | 6 | 2♥ | ♦5 | -2 | -5 |
| +2.2 | Round 3 | KLUB LOGICZNY 1 | 11 | 1NT | ♠3 | = | +5 |
| +2.1 | Round 3 | KLUB LOGICZNY 1 | 16 | 4♠ | ♥5 | = | +0 |
| +2.1 | Round 4 | CHINA SMZY SPLINTER | 27 | 2♠ | ♥2 | -1 | +5 |
| +2.0 | Round 2 | POLAND | 6 | 4♥ | ♦K | -1 | -1 |
| +1.8 | Round 6 | AZS UW WARSAW 1 | 13 | 1NT | ♥8 | -1 | +0 |
| +1.7 | Round 5 | VERCO | 5 | 4♠ | ♣Q | +1 | +0 |
| +1.6 | Round 10 | FRANCE | 23 | 4♥x | ♦9 | -1 | +2 |
| +1.4 | Round 4 | CHINA SMZY SPLINTER | 25 | 3♦ | ♠K | = | -1 |
| +1.1 | Round 5 | VERCO | 4 | 2♦ | ♥3 | +2 | -1 |
| +1.1 | Round 10 | FRANCE | 22 | 4♥x | ♣4 | -1 | -5 |
| +1.0 | Round 8 | CT 360 | 1 | 2♥ | ♦3 | +1 | +0 |
| +0.8 | Round 7 | KRAKOW I BRODNICA | 26 | 2♠ | ♥K | +1 | +0 |
| +0.5 | Round 6 | AZS UW WARSAW 1 | 15 | 1NT | ♥4 | +2 | -6 |
| +0.3 | Round 3 | KLUB LOGICZNY 1 | 18 | 4♠ | ♦K | = | -11 |
| +0.2 | Round 7 | KRAKOW I BRODNICA | 25 | 1NT | ♠T | +1 | +0 |
| +0.2 | Round 9 | CZE HUN | 13 | 2♠ | ♥9 | +1 | -10 |
| -0.0 | Round 5 | VERCO | 8 | 1NT | ♦A | -1 | -1 |
| -0.1 | Round 6 | AZS UW WARSAW 1 | 18 | 3♠ | ♣K | = | +0 |
| -0.2 | Round 9 | CZE HUN | 11 | 2♠ | ♥3 | +3 | +6 |
| -0.4 | Round 3 | KLUB LOGICZNY 1 | 14 | 4♠ | ♦A | = | +9 |
| -0.5 | Round 1 | SPOJNIA U16 YELLOW | 23 | 2NT | ♥A | +2 | +8 |
| -0.6 | Round 3 | KLUB LOGICZNY 1 | 15 | 4♠ | ♥K | = | +1 |
| -0.7 | Round 9 | CZE HUN | 14 | 4♠ | ♦9 | +3 | -14 |
| -0.8 | Round 7 | KRAKOW I BRODNICA | 27 | 1NT | ♥5 | -4 | -6 |
| -1.0 | Round 1 | SPOJNIA U16 YELLOW | 26 | 1♦ | ♥2 | +3 | -10 |
| -1.0 | Round 9 | CZE HUN | 18 | 2♠ | ♦8 | +1 | +8 |
| -1.1 | Round 9 | CZE HUN | 17 | 4♣ | ♦7 | -2 | -8 |
| -1.5 | Round 2 | POLAND | 7 | 1NT | ♥2 | = | +1 |
| -1.5 | Round 8 | CT 360 | 4 | 3NT | ♠8 | +1 | +12 |
| -1.5 | Round 9 | CZE HUN | 15 | 2NT | ♥5 | -3 | -1 |
| -1.7 | Round 6 | AZS UW WARSAW 1 | 12 | 3NT | ♦2 | -2 | -5 |
| -2.2 | Round 4 | CHINA SMZY SPLINTER | 24 | 1♣ | ♣5 | +4 | +6 |
| -2.4 | Round 2 | POLAND | 3 | 2♠ | ♥5 | +4 | +9 |
| -3.2 | Round 6 | AZS UW WARSAW 1 | 14 | 5♥ | ♠6 | +2 | -2 |
| -3.5 | Round 3 | KLUB LOGICZNY 1 | 13 | 3♠ | ♦2 | +3 | +3 |
| -3.6 | Round 10 | FRANCE | 26 | 4♥ | ♣K | -1 | -6 |
| -3.9 | Round 2 | POLAND | 2 | 2NT | ♥5 | +3 | -7 |
| -4.1 | Round 2 | POLAND | 1 | 4♥ | ♠6 | +2 | -2 |
| -4.2 | Round 6 | AZS UW WARSAW 1 | 11 | 5♦ | ♠8 | -1 | -10 |
| -4.8 | Round 2 | POLAND | 5 | 3♥ | ♦4 | = | -7 |
| -5.1 | Round 5 | VERCO | 1 | 3NT | ♦3 | -1 | -11 |
| -5.4 | Round 2 | POLAND | 4 | 5♦ | ♥A | +2 | +13 |
| -5.4 | Round 3 | KLUB LOGICZNY 1 | 12 | 4♥ | ♠A | -1 | -11 |
| -5.7 | Round 4 | CHINA SMZY SPLINTER | 26 | 4♠ | ♦5 | +2 | -13 |
| -5.8 | Round 8 | CT 360 | 8 | 3NT | ♥3 | -3 | -11 |
| -6.6 | Round 6 | AZS UW WARSAW 1 | 16 | 4♠ | ♥J | -1 | -12 |
| -6.6 | Round 9 | CZE HUN | 16 | 6NT | ♠7 | -1 | -17 |
| -6.7 | Round 4 | CHINA SMZY SPLINTER | 28 | 2♣ | ♠7 | -3 | -5 |
| -6.9 | Round 7 | KRAKOW I BRODNICA | 28 | 4♠ | ♦A | = | -7 |
| -7.1 | Round 8 | CT 360 | 2 | 2♠ | ♦A | +1 | -10 |
| -7.1 | Round 10 | FRANCE | 24 | 3NT | ♣3 | +1 | -7 |
| -8.1 | Round 10 | FRANCE | 21 | 2♥ | ♠A | = | -12 |
| -8.6 | Round 10 | FRANCE | 28 | 3NT | ♠3 | +1 | -11 |
| -10.2 | Round 4 | CHINA SMZY SPLINTER | 23 | 6♠ | ♥9 | +1 | +13 |
| -11.0 | Round 10 | FRANCE | 25 | 4♥ | ♠T | = | -14 |
| -12.3 | Round 5 | VERCO | 2 | 4♠x | ♥7 | -3 | -9 |
| -12.4 | Round 7 | KRAKOW I BRODNICA | 22 | 3NTx | ♦6 | -4 | -14 |