BEREZA Jakub · POLAND U21
vs par split: bidding -0.62 · play -0.25
Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.34/bd
Card play — on target: opening leads 66.7% #114 of 132 · declarer play 76.9% #34 of 132 · defence 86.2% #42 of 132
Bidding activity — not a pass: 46.8% #38 of 132 (74/158)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 70.0% (10) |
| Declarer play | 60.0% (5) | 87.5% (8) |
| Defence | 80.0% (5) | 87.5% (24) |
Opening leads by suit led: ♠ 0.0% (2) · ♥ 75.0% (4) · ♦ 100.0% (2) · ♣ 75.0% (4)
vs par by strain: NT -2.50 (14) · a suit -0.37 (46)
vs par by level: part-score -1.29 (24) · game -0.79 (33) · slam +1.67 (3)
By role: declaring +0.30/bd (-3.52 vs par · 31) · defending +0.12/bd (+1.97 vs par · 29)
By vulnerability: vulnerable +0.13/bd (-0.27 vs par · 30) · not vulnerable +0.30/bd (-1.47 vs par · 30)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | B.Kula | I.Walach – M.Lysek | Open | 10 | +2.0 | +0.20 | +0.00 |
| Round 3 | B.Kula | A.Cimr – K.Swiatkowski | Closed | 10 | +20.5 | +2.05 | +1.00 |
| Round 4 | B.Kula | A.Tylvad – N.Hammelev | Open | 10 | -2.1 | -0.21 | +1.60 |
| Round 6 | B.Kula | B.Ge – K.Ge | Closed | 10 | -1.2 | -0.12 | -4.50 |
| Round 8 | B.Kula | N.Bens – E.Bonin | Closed | 10 | -10.4 | -1.04 | -2.00 |
| Round 10 | B.Kula | T.Gardner – J.Fegarty | Open | 10 | +4.0 | +0.40 | -1.30 |
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 |
|---|---|---|---|---|---|---|---|
| +14.0 | Round 1 | CZECH REPUBLIC | 23 | 2♠x | ♥7 | +1 | +12 |
| +10.5 | Round 4 | PIDOES | 30 | 3NT | ♣T | -4 | +12 |
| +9.3 | Round 3 | BLUE WRATISLAVIA | 14 | 6♥ | ♦K | = | +5 |
| +8.5 | Round 10 | ENGLAND U21 | 27 | 5♣x | ♠A | -4 | +8 |
| +8.2 | Round 4 | PIDOES | 21 | 5♣x | ♥K | -1 | +11 |
| +6.7 | Round 3 | BLUE WRATISLAVIA | 17 | 4♠x | ♥9 | -3 | +5 |
| +5.9 | Round 10 | ENGLAND U21 | 23 | 4♥x | ♣T | -2 | +9 |
| +5.0 | Round 6 | RDFZ G | 19 | 3NT | ♣5 | = | +0 |
| +4.7 | Round 8 | FRANCE 1 | 7 | 3NT | ♠9 | = | -2 |
| +4.6 | Round 3 | BLUE WRATISLAVIA | 20 | 3♠ | ♥9 | +1 | +10 |
| +4.3 | Round 10 | ENGLAND U21 | 24 | 3NT | ♥A | -2 | +6 |
| +4.0 | Round 8 | FRANCE 1 | 6 | 4♥x | ♠5 | -1 | +11 |
| +3.3 | Round 6 | RDFZ G | 17 | 3NT | ♦6 | = | -1 |
| +3.0 | Round 4 | PIDOES | 26 | 6♠ | ♠5 | = | +0 |
| +2.9 | Round 1 | CZECH REPUBLIC | 24 | 3♥ | ♠T | +1 | +6 |
| +2.8 | Round 4 | PIDOES | 24 | 3NT | ♥6 | -1 | +10 |
| +2.8 | Round 10 | ENGLAND U21 | 25 | 4♣ | ♥Q | +1 | -7 |
| +2.6 | Round 3 | BLUE WRATISLAVIA | 11 | 2♦ | ♥J | -1 | -1 |
| +2.3 | Round 1 | CZECH REPUBLIC | 26 | 3♦ | ♣K | +1 | +10 |
| +2.3 | Round 6 | RDFZ G | 13 | 1NT | ♠J | +1 | +0 |
| +2.2 | Round 4 | PIDOES | 29 | 4♥ | ♣A | +1 | +0 |
| +2.1 | Round 1 | CZECH REPUBLIC | 22 | 3♣ | ♥9 | = | +0 |
| +1.7 | Round 1 | CZECH REPUBLIC | 29 | 2♠ | ♣7 | = | +0 |
| +1.7 | Round 10 | ENGLAND U21 | 28 | 3NT | ♥K | -2 | +0 |
| +1.6 | Round 1 | CZECH REPUBLIC | 21 | 4♠ | ♦3 | +1 | +1 |
| +1.6 | Round 6 | RDFZ G | 18 | 3♠ | ♣K | +1 | +1 |
| +1.1 | Round 8 | FRANCE 1 | 8 | 3♥ | ♦A | -2 | +7 |
| +1.0 | Round 8 | FRANCE 1 | 9 | 2♠ | ♥Q | -1 | -2 |
| +0.9 | Round 6 | RDFZ G | 14 | 4♠ | ♣8 | = | +0 |
| +0.7 | Round 3 | BLUE WRATISLAVIA | 19 | 3NT | ♣5 | +1 | -11 |
| +0.6 | Round 8 | FRANCE 1 | 1 | 2♥ | ♠4 | = | +1 |
| +0.3 | Round 10 | ENGLAND U21 | 26 | 1♥ | ♣K | +1 | -1 |
| +0.2 | Round 3 | BLUE WRATISLAVIA | 15 | 4♠ | ♦7 | +1 | +0 |
| +0.1 | Round 8 | FRANCE 1 | 2 | 4♠ | ♥7 | = | +0 |
| -0.3 | Round 4 | PIDOES | 28 | 3♥ | ♦Q | -1 | +1 |
| -0.5 | Round 4 | PIDOES | 27 | 2♠ | ♦6 | -2 | +1 |
| -0.5 | Round 6 | RDFZ G | 20 | 4♠ | ♦K | +1 | -13 |
| -0.8 | Round 3 | BLUE WRATISLAVIA | 18 | 4♠ | ♦K | +1 | +11 |
| -0.9 | Round 3 | BLUE WRATISLAVIA | 12 | 5♣ | ♠J | = | +2 |
| -0.9 | Round 3 | BLUE WRATISLAVIA | 16 | 4♠ | ♠2 | +1 | -1 |
| -1.0 | Round 3 | BLUE WRATISLAVIA | 13 | 4♠ | ♣J | = | -10 |
| -1.3 | Round 4 | PIDOES | 25 | 4♦ | ♠K | -1 | -5 |
| -1.3 | Round 8 | FRANCE 1 | 5 | 3♥ | ♣6 | +2 | -12 |
| -1.7 | Round 10 | ENGLAND U21 | 22 | 3♦ | ♦8 | +2 | -6 |
| -1.8 | Round 6 | RDFZ G | 15 | 2♥ | ♠K | +1 | -6 |
| -1.9 | Round 6 | RDFZ G | 12 | 3NT | ♣5 | -2 | -5 |
| -2.8 | Round 6 | RDFZ G | 11 | 3♣ | ♣5 | -1 | -9 |
| -3.0 | Round 8 | FRANCE 1 | 10 | 4♠ | ♣8 | = | +0 |
| -3.2 | Round 1 | CZECH REPUBLIC | 25 | 2NT | ♥2 | = | -11 |
| -4.0 | Round 1 | CZECH REPUBLIC | 27 | 2♠ | ♥9 | -2 | -6 |
| -4.7 | Round 10 | ENGLAND U21 | 29 | 4♠ | ♦3 | = | +1 |
| -5.7 | Round 1 | CZECH REPUBLIC | 28 | 4♠ | ♥2 | = | -3 |
| -6.0 | Round 10 | ENGLAND U21 | 30 | 4♠ | ♦J | -1 | -11 |
| -7.1 | Round 10 | ENGLAND U21 | 21 | 3NT | ♠4 | -1 | -12 |
| -7.3 | Round 6 | RDFZ G | 16 | 3NT | ♦Q | -1 | -12 |
| -7.8 | Round 8 | FRANCE 1 | 3 | 4♥ | ♣K | = | -7 |
| -9.7 | Round 1 | CZECH REPUBLIC | 30 | 3NTx | ♥Q | = | -9 |
| -9.8 | Round 8 | FRANCE 1 | 4 | 5♥ | ♠3 | -1 | -16 |
| -13.0 | Round 4 | PIDOES | 23 | 7♠ | ♦Q | = | +0 |
| -13.7 | Round 4 | PIDOES | 22 | 2♠x | ♠K | +1 | -14 |