KOZYCZKOWSKI Jerzy · ASCHAFFENBURG
vs par split: bidding -0.67 · play +0.91
Strength of schedule: opponents averaged -0.44/bd (an easy draw) → opponent-adjusted +0.40/bd
Card play — on target: opening leads 85.7% #25 of 61 · declarer play 75.0% #33 of 61 · defence 77.3% #53 of 61
Bidding activity — not a pass: 53.3% #3 of 61 (81/152)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 100.0% (4) |
| Declarer play | 70.0% (10) | 83.3% (6) |
| Defence | 66.7% (6) | 81.2% (16) |
Opening leads by suit led: ♠ 100.0% (2) · ♦ 50.0% (2) · ♣ 100.0% (3)
vs par by strain: NT -0.44 (18) · a suit +0.57 (37)
vs par by level: part-score +1.00 (22) · game -0.45 (29) · slam +1.00 (4)
By role: declaring -0.12/bd (-2.70 vs par · 33) · defending +2.20/bd (+4.39 vs par · 23)
By vulnerability: vulnerable +0.83/bd (-0.07 vs par · 28) · not vulnerable +0.85/bd (+0.50 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Comanescu | F.Kubat – P.Karlik | Open | 14 | +32.8 | +2.34 | +4.21 |
| Round 2 | L.Comanescu | P.Cappellini – A.Paone | Open | 14 | -11.0 | -0.79 | +0.93 |
| Round 3 | L.Comanescu | L.Vachtarcik – C.Romanowski | Closed | 14 | +25.3 | +1.81 | -1.50 |
| Round 4 | L.Comanescu | D.Kroening – O.Karimi | Open | 14 | -0.2 | -0.01 | -2.79 |
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 |
|---|---|---|---|---|---|---|---|
| +11.5 | Round 1 | CZECHIA U23 | 8 | 5♠x | ♣Q | -1 | +11 |
| +9.3 | Round 2 | CAFIERO | 23 | 2♠ | ♥J | = | +12 |
| +8.4 | Round 1 | CZECHIA U23 | 9 | 3♥x | ♣A | -3 | +12 |
| +7.8 | Round 3 | CZECHIA U31 | 1 | 6♦ | ♥2 | = | -2 |
| +6.0 | Round 1 | CZECHIA U23 | 2 | 1NT | ♦7 | -2 | +6 |
| +6.0 | Round 1 | CZECHIA U23 | 13 | 3NT | ♥A | -1 | +12 |
| +5.4 | Round 4 | BAMBI | 17 | 4♠x | ♥Q | -3 | +2 |
| +4.8 | Round 1 | CZECHIA U23 | 6 | 3♦ | ♣3 | -1 | +5 |
| +4.5 | Round 2 | CAFIERO | 20 | 6♠x | ♠8 | -4 | -7 |
| +4.5 | Round 4 | BAMBI | 20 | 4♥ | ♦J | +1 | +0 |
| +4.2 | Round 3 | CZECHIA U31 | 13 | 3♦ | ♥7 | -3 | +4 |
| +4.1 | Round 3 | CZECHIA U31 | 10 | 3NT | ♦7 | +1 | -10 |
| +3.8 | Round 3 | CZECHIA U31 | 12 | 4♠ | ♥K | -1 | +5 |
| +3.6 | Round 3 | CZECHIA U31 | 5 | 3NT | ♥J | +1 | +0 |
| +3.6 | Round 3 | CZECHIA U31 | 11 | 4♠x | ♥6 | -1 | +6 |
| +3.5 | Round 1 | CZECHIA U23 | 3 | 4♥ | ♠3 | -1 | +12 |
| +3.5 | Round 3 | CZECHIA U31 | 8 | 4♠ | ♥T | +1 | +0 |
| +3.4 | Round 3 | CZECHIA U31 | 9 | 3NT | ♦Q | +1 | +0 |
| +3.1 | Round 3 | CZECHIA U31 | 7 | 3NT | ♥Q | +2 | +0 |
| +3.0 | Round 1 | CZECHIA U23 | 7 | 6♥ | ♦3 | +1 | +13 |
| +2.7 | Round 4 | BAMBI | 16 | 4♠ | ♣8 | +1 | +0 |
| +2.6 | Round 2 | CAFIERO | 15 | 4♥ | ♠2 | -1 | +4 |
| +2.4 | Round 4 | BAMBI | 28 | 1NT | ♥8 | +1 | +1 |
| +1.5 | Round 1 | CZECHIA U23 | 1 | Adj. | ♠5 | -1 | |
| +1.4 | Round 2 | CAFIERO | 21 | 2NT | ♥J | +1 | +6 |
| +1.1 | Round 4 | BAMBI | 25 | 2♠ | ♠8 | +1 | +0 |
| +0.4 | Round 4 | BAMBI | 24 | 4♠ | ♣Q | = | -1 |
| +0.2 | Round 4 | BAMBI | 19 | 2♥ | ♦K | +1 | -7 |
| +0.0 | Round 1 | CZECHIA U23 | 11 | 3♠ | ♦8 | = | +1 |
| +0.0 | Round 4 | BAMBI | 26 | 3NT | ♥J | +2 | +0 |
| -0.3 | Round 3 | CZECHIA U31 | 2 | 4♠ | ♥8 | = | -13 |
| -0.4 | Round 2 | CAFIERO | 19 | 3NT | ♠Q | -1 | +6 |
| -0.4 | Round 2 | CAFIERO | 25 | 4♥ | ♣4 | +1 | +0 |
| -0.5 | Round 2 | CAFIERO | 28 | 4♠ | ♥5 | +1 | -13 |
| -0.7 | Round 1 | CZECHIA U23 | 5 | 3♦ | ♥T | = | -5 |
| -0.7 | Round 4 | BAMBI | 15 | 3♥ | ♠7 | +2 | +0 |
| -0.9 | Round 2 | CAFIERO | 17 | 5♦ | ♣Q | +1 | +11 |
| -1.3 | Round 4 | BAMBI | 22 | 1NT | ♣7 | +3 | -6 |
| -1.4 | Round 3 | CZECHIA U31 | 6 | 2♠ | ♣2 | -1 | +2 |
| -1.5 | Round 1 | CZECHIA U23 | 10 | 2NT | ♠8 | +1 | +1 |
| -1.5 | Round 3 | CZECHIA U31 | 14 | 2NT | ♠Q | +1 | -6 |
| -1.5 | Round 4 | BAMBI | 23 | 3♣ | ♦8 | = | +0 |
| -1.7 | Round 1 | CZECHIA U23 | 4 | 3♥ | ♦T | -1 | +1 |
| -1.7 | Round 4 | BAMBI | 27 | 3NT | ♣T | +1 | -11 |
| -1.8 | Round 4 | BAMBI | 18 | 3♥ | ♠J | -1 | -5 |
| -2.5 | Round 2 | CAFIERO | 24 | 2♥ | ♥K | -1 | +2 |
| -2.5 | Round 3 | CZECHIA U31 | 4 | 3♣ | ♦T | -2 | -2 |
| -3.1 | Round 1 | CZECHIA U23 | 12 | 3NT | ♣J | +1 | +1 |
| -3.1 | Round 2 | CAFIERO | 22 | 6♠ | ♦Q | = | +0 |
| -4.1 | Round 2 | CAFIERO | 27 | 3NT | ♥8 | -3 | -7 |
| -4.7 | Round 2 | CAFIERO | 26 | 2♠ | ♥Q | -1 | +0 |
| -4.9 | Round 1 | CZECHIA U23 | 14 | 4♥ | ♠K | -1 | -10 |
| -5.8 | Round 2 | CAFIERO | 16 | 3NT | ♠T | +1 | +0 |
| -6.1 | Round 3 | CZECHIA U31 | 3 | 4♠ | ♥K | -1 | -5 |
| -6.4 | Round 2 | CAFIERO | 18 | 3NT | ♦J | +2 | -1 |
| -9.9 | Round 4 | BAMBI | 21 | 5♥ | ♦6 | -1 | -12 |