🇵🇱 KULA Bernard · POLAND
26rank
+39.6Butler · 96 bds
+0.41per board
±4.5swing
+0.62vs par /bd · #16/111
+0.26adjusted /bd
by round
vs par split: bidding -0.06 · play +0.69
Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted +0.26/bd
Card play — on target: opening leads 75.0% #94 of 111 · declarer play 83.3% #19 of 111 · defence 94.4% #4 of 111
Bidding activity — not a pass: 40.9% #77 of 111 (114/279)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 82.4% (17) |
| Declarer play | 0.0% (1) | 88.2% (17) |
| Defence | 84.6% (13) | 97.6% (41) |
Opening leads by suit led: ♠ 71.4% (7) · ♥ 40.0% (5) · ♦ 100.0% (4) · ♣ 100.0% (4)
vs par by strain: NT -0.16 (19) · a suit +0.82 (77)
vs par by level: part-score +0.32 (37) · game +0.71 (55) · slam +2.25 (4)
By role: declaring +0.74/bd (-1.12 vs par · 42) · defending +0.15/bd (+1.98 vs par · 54)
By vulnerability: vulnerable +0.23/bd (+0.08 vs par · 48) · not vulnerable +0.59/bd (+1.17 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Bereza | A.Bauer – P.Petrov | Closed | 8 | +12.5 | +1.56 | +0.62 |
| Round 3 | J.Bereza | J.Lieberman – C.Welland | Closed | 8 | +8.9 | +1.11 | +2.25 |
| Round 5 | J.Bereza | S.Vazic – M.Seizovic | Closed | 8 | -13.5 | -1.69 | -2.88 |
| Round 6 | J.Bereza | Z.Ferov – A.Momov | Closed | 8 | -15.9 | -1.99 | -3.12 |
| Round 8 | J.Bereza | R.Shaumi – D.Tarabunga | Closed | 8 | +19.5 | +2.44 | +5.00 |
| Round 9 | J.Bereza | E.Gardner – D.Murray | Closed | 8 | +20.9 | +2.61 | +0.12 |
| Round 11 | J.Bereza | N.Davila – B.Perez | Open | 8 | -11.1 | -1.39 | -0.38 |
| Round 12 | J.Bereza | J.Clark – K.Panchagnula | Closed | 8 | +15.8 | +1.98 | +3.00 |
| Round 14 | J.Bereza | D.Hsiao – Y.Chen | Open | 8 | -0.5 | -0.06 | -0.62 |
| Round 16 | J.Bereza | R.Zvorovski – R.Toom | Closed | 8 | +16.3 | +2.04 | +2.38 |
| Round 17 | J.Bereza | H.Gao – Z.Chu | Closed | 8 | +10.7 | +1.34 | +2.50 |
| Round 19 | J.Bereza | S.Wu – D.Lee | Closed | 8 | -24.0 | -3.00 | -1.38 |
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 |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 8 | 🇮🇩 INDONESIA | 25 | 5♥x | ♠J | -1 | +12 |
| +10.2 | Round 14 | 🇹🇼 CHINESE TAIPEI | 14 | 6♣ | ♦A | = | +10 |
| +9.9 | Round 9 | 🏴 SCOTLAND | 6 | 4♠x | ♥T | -2 | +12 |
| +9.6 | Round 16 | 🇪🇪 ESTONIA | 32 | 3NT | ♥9 | = | +10 |
| +9.0 | Round 9 | 🏴 SCOTLAND | 8 | 4♠ | ♥K | = | +7 |
| +9.0 | Round 16 | 🇪🇪 ESTONIA | 30 | 4♠ | ♥2 | -1 | +11 |
| +8.1 | Round 19 | 🇸🇬 SINGAPORE | 17 | 5♦x | ♣K | -4 | +8 |
| +7.8 | Round 3 | 🇺🇸 USA2 | 23 | 5♦ | ♥A | -2 | +10 |
| +6.7 | Round 11 | 🇨🇱 CHILE | 23 | 4♠ | ♦J | -1 | +12 |
| +6.5 | Round 6 | 🇧🇬 BULGARIA | 15 | 4♠ | ♥2 | -1 | +10 |
| +6.3 | Round 8 | 🇮🇩 INDONESIA | 28 | 6♠ | ♦J | -1 | +14 |
| +5.8 | Round 12 | 🏴 ENGLAND | 29 | 2♠ | ♣K | -1 | +5 |
| +5.1 | Round 2 | 🇩🇪 GERMANY | 14 | 4♠ | ♣5 | = | +8 |
| +4.7 | Round 9 | 🏴 SCOTLAND | 2 | 3NT | ♥4 | -1 | +5 |
| +4.6 | Round 17 | 🇨🇳 CHINA | 4 | 3♦ | ♣J | -2 | +2 |
| +4.4 | Round 17 | 🇨🇳 CHINA | 3 | 3♣ | ♦2 | = | +0 |
| +4.2 | Round 16 | 🇪🇪 ESTONIA | 27 | 3♥ | ♦J | +1 | +7 |
| +4.1 | Round 2 | 🇩🇪 GERMANY | 10 | 2♠ | ♦K | -2 | +3 |
| +3.9 | Round 12 | 🏴 ENGLAND | 28 | 4♠ | ♦6 | = | +7 |
| +3.8 | Round 16 | 🇪🇪 ESTONIA | 26 | 3♥ | ♦K | +1 | +2 |
| +3.6 | Round 12 | 🏴 ENGLAND | 30 | 2♦x | ♠2 | -1 | +8 |
| +3.3 | Round 2 | 🇩🇪 GERMANY | 13 | 4♥ | ♣A | -2 | +2 |
| +2.9 | Round 12 | 🏴 ENGLAND | 27 | 2♣ | ♥3 | -2 | +8 |
| +2.9 | Round 14 | 🇹🇼 CHINESE TAIPEI | 9 | 1NT | ♠4 | +1 | +0 |
| +2.9 | Round 17 | 🇨🇳 CHINA | 8 | 3NT | ♥K | -1 | +5 |
| +2.5 | Round 2 | 🇩🇪 GERMANY | 16 | 3♦ | ♣K | = | +0 |
| +2.5 | Round 5 | 🇷🇸 SERBIA | 1 | 3♣ | ♥3 | -1 | -2 |
| +2.2 | Round 8 | 🇮🇩 INDONESIA | 32 | 4♥ | ♠K | +1 | +10 |
| +1.9 | Round 8 | 🇮🇩 INDONESIA | 31 | 2♠ | ♣6 | +2 | +6 |
| +1.8 | Round 8 | 🇮🇩 INDONESIA | 26 | 2♥ | ♠4 | = | +6 |
| +1.8 | Round 17 | 🇨🇳 CHINA | 6 | 4♥ | ♣T | = | +0 |
| +1.6 | Round 6 | 🇧🇬 BULGARIA | 14 | 6♦ | ♠6 | +1 | -2 |
| +1.4 | Round 19 | 🇸🇬 SINGAPORE | 22 | 2♠ | ♦T | -1 | +3 |
| +1.2 | Round 3 | 🇺🇸 USA2 | 17 | 3♥ | ♦J | +1 | +1 |
| +1.2 | Round 9 | 🏴 SCOTLAND | 5 | 3NT | ♠8 | -1 | +5 |
| +1.2 | Round 12 | 🏴 ENGLAND | 26 | 4♠ | ♣K | = | +0 |
| +1.1 | Round 14 | 🇹🇼 CHINESE TAIPEI | 13 | 4♠ | ♦7 | +1 | +0 |
| +0.9 | Round 3 | 🇺🇸 USA2 | 20 | 3NT | ♥4 | = | +0 |
| +0.9 | Round 6 | 🇧🇬 BULGARIA | 12 | 1NT | ♥6 | = | -5 |
| +0.9 | Round 14 | 🇹🇼 CHINESE TAIPEI | 15 | 3♦ | ♠T | -2 | +1 |
| +0.7 | Round 2 | 🇩🇪 GERMANY | 9 | 4♠ | ♦6 | = | +0 |
| +0.6 | Round 3 | 🇺🇸 USA2 | 19 | 2♠ | ♦J | = | +0 |
| +0.6 | Round 17 | 🇨🇳 CHINA | 1 | 4♠ | ♥Q | +2 | +11 |
| +0.5 | Round 3 | 🇺🇸 USA2 | 24 | 4♠ | ♥3 | -1 | +5 |
| +0.2 | Round 9 | 🏴 SCOTLAND | 4 | 4♥ | ♦Q | -1 | -6 |
| +0.2 | Round 14 | 🇹🇼 CHINESE TAIPEI | 12 | 3NT | ♣5 | +2 | +0 |
| +0.1 | Round 2 | 🇩🇪 GERMANY | 11 | 3♦ | ♣Q | +1 | +7 |
| +0.1 | Round 5 | 🇷🇸 SERBIA | 3 | 4♠ | ♦7 | = | +0 |
| -0.0 | Round 11 | 🇨🇱 CHILE | 20 | 2♣ | ♦7 | +2 | +0 |
| -0.1 | Round 12 | 🏴 ENGLAND | 32 | 4♥ | ♠9 | +1 | +0 |
| -0.2 | Round 3 | 🇺🇸 USA2 | 21 | 2NT | ♦3 | = | +0 |
| -0.3 | Round 12 | 🏴 ENGLAND | 25 | 2♠ | ♥K | +1 | +7 |
| -0.4 | Round 8 | 🇮🇩 INDONESIA | 27 | 3♠ | ♦6 | = | -7 |
| -0.4 | Round 17 | 🇨🇳 CHINA | 2 | 3♣ | ♠K | +1 | +0 |
| -0.5 | Round 3 | 🇺🇸 USA2 | 22 | 3NT | ♦3 | = | +0 |
| -0.5 | Round 6 | 🇧🇬 BULGARIA | 11 | 2♥ | ♣Q | = | +0 |
| -0.7 | Round 5 | 🇷🇸 SERBIA | 7 | 4♠ | ♥4 | = | +0 |
| -0.9 | Round 11 | 🇨🇱 CHILE | 17 | 3♣ | ♥9 | -2 | +1 |
| -1.1 | Round 8 | 🇮🇩 INDONESIA | 30 | 3NT | ♣7 | +1 | -1 |
| -1.1 | Round 16 | 🇪🇪 ESTONIA | 31 | 5♥x | ♠6 | -2 | -10 |
| -1.2 | Round 11 | 🇨🇱 CHILE | 19 | 3NT | ♦4 | = | +0 |
| -1.2 | Round 12 | 🏴 ENGLAND | 31 | 5♠ | ♥7 | = | -11 |
| -1.3 | Round 5 | 🇷🇸 SERBIA | 2 | 5♣x | ♥Q | -1 | -6 |
| -1.3 | Round 5 | 🇷🇸 SERBIA | 6 | 1NT | ♠K | -3 | -10 |
| -1.3 | Round 9 | 🏴 SCOTLAND | 1 | 4♠ | ♥8 | -1 | -10 |
| -1.3 | Round 9 | 🏴 SCOTLAND | 3 | 1NT | ♠8 | -2 | -6 |
| -1.3 | Round 11 | 🇨🇱 CHILE | 22 | 4♠ | ♥4 | +2 | -1 |
| -1.3 | Round 19 | 🇸🇬 SINGAPORE | 24 | 3♠ | ♣8 | = | +0 |
| -1.4 | Round 3 | 🇺🇸 USA2 | 18 | 5♦ | ♥K | -1 | +2 |
| -1.4 | Round 5 | 🇷🇸 SERBIA | 4 | 3♦ | ♣K | +1 | +0 |
| -1.5 | Round 9 | 🏴 SCOTLAND | 7 | 1♠ | ♦A | +1 | -6 |
| -1.5 | Round 16 | 🇪🇪 ESTONIA | 25 | 4♥ | ♦J | -2 | -1 |
| -1.6 | Round 2 | 🇩🇪 GERMANY | 15 | 4♠ | ♥7 | -1 | -10 |
| -1.6 | Round 14 | 🇹🇼 CHINESE TAIPEI | 11 | 3♠ | ♣3 | +1 | -4 |
| -1.6 | Round 17 | 🇨🇳 CHINA | 5 | 3NT | ♥4 | +2 | +0 |
| -1.6 | Round 17 | 🇨🇳 CHINA | 7 | 5♥x | ♠T | -1 | +2 |
| -1.7 | Round 2 | 🇩🇪 GERMANY | 12 | 4♥ | ♠A | -1 | -5 |
| -1.7 | Round 6 | 🇧🇬 BULGARIA | 16 | 3♦ | ♥3 | +1 | -1 |
| -1.8 | Round 5 | 🇷🇸 SERBIA | 5 | 2♥ | ♣7 | +2 | +4 |
| -1.8 | Round 19 | 🇸🇬 SINGAPORE | 21 | 4♠ | ♥6 | -1 | -5 |
| -2.0 | Round 8 | 🇮🇩 INDONESIA | 29 | 4♠ | ♦5 | +1 | +0 |
| -2.2 | Round 19 | 🇸🇬 SINGAPORE | 20 | 3NT | ♣9 | +3 | -1 |
| -2.3 | Round 11 | 🇨🇱 CHILE | 24 | 5♦ | ♠A | -1 | -10 |
| -2.5 | Round 16 | 🇪🇪 ESTONIA | 29 | 3♣ | ♦K | +1 | +0 |
| -2.7 | Round 11 | 🇨🇱 CHILE | 21 | 3NT | ♣T | -1 | -5 |
| -4.2 | Round 6 | 🇧🇬 BULGARIA | 10 | 2♥x | ♣3 | -1 | -9 |
| -5.2 | Round 16 | 🇪🇪 ESTONIA | 28 | 5♦x | ♠K | -1 | +0 |
| -6.3 | Round 14 | 🇹🇼 CHINESE TAIPEI | 10 | 5♣ | ♠A | = | +0 |
| -7.9 | Round 14 | 🇹🇼 CHINESE TAIPEI | 16 | 4♠ | ♦T | -1 | -12 |
| -8.2 | Round 19 | 🇸🇬 SINGAPORE | 23 | 4♠ | ♥K | -1 | -16 |
| -8.6 | Round 6 | 🇧🇬 BULGARIA | 9 | 5♦x | ♠7 | -2 | -5 |
| -9.4 | Round 11 | 🇨🇱 CHILE | 18 | 5♦ | ♥J | = | +0 |
| -9.6 | Round 5 | 🇷🇸 SERBIA | 8 | 2♥x | ♠K | = | -9 |
| -9.6 | Round 19 | 🇸🇬 SINGAPORE | 18 | 3NTx | ♠A | = | -12 |
| -9.9 | Round 6 | 🇧🇬 BULGARIA | 13 | 6♥ | ♠6 | = | -13 |
| -10.4 | Round 19 | 🇸🇬 SINGAPORE | 19 | 3NT | ♠J | +2 | +12 |