PROKOPOWICZ Marcel · POLAND U21 A
vs par split: bidding -0.27 · play +0.18
Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted +0.01/bd
Card play — on target: opening leads 93.8% #8 of 61 · declarer play 76.9% #26 of 61 · defence 84.0% #29 of 61
Bidding activity — not a pass: 41.1% #32 of 61 (62/151)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 91.7% (12) |
| Declarer play | 50.0% (4) | 88.9% (9) |
| Defence | 66.7% (6) | 89.5% (19) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 85.7% (7) · ♦ 100.0% (2) · ♣ 100.0% (1)
vs par by strain: NT -2.33 (15) · a suit +0.75 (40)
vs par by level: part-score -1.00 (17) · game +0.37 (35) · slam -0.33 (3)
By role: declaring -0.96/bd (-3.03 vs par · 30) · defending +1.68/bd (+3.44 vs par · 25)
By vulnerability: vulnerable -0.09/bd (-1.54 vs par · 28) · not vulnerable +0.47/bd (+1.04 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Michalski | F.Nystrom – J.Upmark | Closed | 14 | -9.9 | -0.71 | -2.71 |
| Round 3 | J.Michalski | P.Danek – E.Konstacka | Open | 14 | -6.6 | -0.47 | -3.21 |
| Round 5 | J.Michalski | N.Vachtarcikova – M.Drozd | Closed | 14 | +16.9 | +1.21 | +3.00 |
| Round 6 | J.Michalski | H.Huebner – P.Koester | Closed | 14 | +10.2 | +0.73 | +1.93 |
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 |
|---|---|---|---|---|---|---|---|
| +9.3 | Round 6 | BAMBI | 28 | 3NT | ♠8 | -1 | +12 |
| +8.5 | Round 2 | BORTOLETTI | 24 | 2♥x | ♥K | -2 | +5 |
| +8.0 | Round 5 | CZECHIA U31 | 6 | 3♣ | ♥5 | = | +8 |
| +6.7 | Round 6 | BAMBI | 18 | 4♥ | ♣9 | -1 | +12 |
| +6.7 | Round 6 | BAMBI | 21 | 4♠ | ♥6 | -1 | +5 |
| +6.5 | Round 2 | BORTOLETTI | 23 | 4♥ | ♠6 | = | +0 |
| +6.5 | Round 3 | CZECHIA U23 | 3 | 5♣x | ♠A | -2 | +8 |
| +5.2 | Round 3 | CZECHIA U23 | 12 | 4♠x | ♥K | -1 | +6 |
| +5.0 | Round 2 | BORTOLETTI | 18 | 3NT | ♦T | = | -1 |
| +4.7 | Round 2 | BORTOLETTI | 26 | 2♠ | ♥Q | -1 | +0 |
| +3.9 | Round 3 | CZECHIA U23 | 10 | 4♥ | ♠A | = | -10 |
| +3.8 | Round 5 | CZECHIA U31 | 9 | 3♦ | ♠7 | -1 | +10 |
| +3.8 | Round 5 | CZECHIA U31 | 14 | 3NT | ♣6 | -2 | +11 |
| +3.6 | Round 3 | CZECHIA U23 | 5 | 4♠ | ♦K | = | +0 |
| +3.1 | Round 2 | BORTOLETTI | 22 | 6♠ | ♠2 | = | +0 |
| +3.1 | Round 5 | CZECHIA U31 | 7 | 1NT | ♥4 | = | +1 |
| +3.0 | Round 5 | CZECHIA U31 | 1 | 4♠ | ♥8 | +1 | +11 |
| +2.8 | Round 6 | BAMBI | 20 | 1♠ | ♦T | = | +6 |
| +2.5 | Round 3 | CZECHIA U23 | 9 | 3NT | ♦Q | = | -1 |
| +2.3 | Round 5 | CZECHIA U31 | 12 | 2♣ | ♠T | -2 | +11 |
| +2.1 | Round 3 | CZECHIA U23 | 7 | 3NT | ♥Q | +1 | -1 |
| +1.9 | Round 3 | CZECHIA U23 | 11 | 4♠ | ♥3 | -1 | +5 |
| +1.9 | Round 5 | CZECHIA U31 | 8 | 4♠ | ♣A | = | +3 |
| +1.1 | Round 2 | BORTOLETTI | 21 | 3♥ | ♦7 | -1 | -4 |
| +0.9 | Round 2 | BORTOLETTI | 17 | 4♠ | ♦K | = | -11 |
| +0.8 | Round 6 | BAMBI | 24 | 4♠ | ♦7 | = | +8 |
| +0.2 | Round 3 | CZECHIA U23 | 14 | 2♣ | ♠2 | -4 | -5 |
| +0.1 | Round 5 | CZECHIA U31 | 2 | 3NT | ♠5 | = | -1 |
| +0.1 | Round 5 | CZECHIA U31 | 13 | 4♥ | ♠5 | = | +0 |
| +0.1 | Round 6 | BAMBI | 25 | 6♥ | ♠2 | = | +0 |
| -0.0 | Round 6 | BAMBI | 23 | 4♥ | ♠A | = | +0 |
| -0.1 | Round 3 | CZECHIA U23 | 13 | 2♠ | ♥9 | +1 | +0 |
| -0.1 | Round 5 | CZECHIA U31 | 5 | 3NT | ♥8 | +1 | -1 |
| -0.3 | Round 6 | BAMBI | 27 | 4♥ | ♦3 | +1 | +0 |
| -0.4 | Round 5 | CZECHIA U31 | 3 | 4♠ | ♦A | = | -1 |
| -0.5 | Round 2 | BORTOLETTI | 28 | 4♠ | ♦3 | +2 | +13 |
| -0.9 | Round 6 | BAMBI | 26 | 4♥ | ♣A | -2 | -3 |
| -1.0 | Round 5 | CZECHIA U31 | 10 | 1NT | ♣A | +1 | -11 |
| -1.0 | Round 6 | BAMBI | 22 | 4♠ | ♥5 | +1 | +0 |
| -1.1 | Round 5 | CZECHIA U31 | 4 | 5♦ | ♥4 | = | +1 |
| -1.1 | Round 6 | BAMBI | 16 | 2♥ | ♠J | -1 | -2 |
| -1.7 | Round 2 | BORTOLETTI | 25 | 3NT | ♣4 | = | -2 |
| -2.5 | Round 2 | BORTOLETTI | 19 | 3NT | ♠5 | -2 | -8 |
| -2.6 | Round 6 | BAMBI | 15 | Pass | -9 | ||
| -2.8 | Round 3 | CZECHIA U23 | 8 | 3♠ | ♦9 | +2 | -6 |
| -2.9 | Round 3 | CZECHIA U23 | 1 | 3NT | ♠J | +3 | -11 |
| -3.3 | Round 6 | BAMBI | 17 | 3♠ | ♥6 | +1 | +2 |
| -4.1 | Round 2 | BORTOLETTI | 15 | 4♥ | ♠6 | -2 | -5 |
| -5.1 | Round 3 | CZECHIA U23 | 4 | 2♦ | ♣J | -3 | -5 |
| -6.6 | Round 5 | CZECHIA U31 | 11 | 3NT | ♠9 | = | +0 |
| -7.0 | Round 6 | BAMBI | 19 | 5♣x | ♠A | = | -4 |
| -8.2 | Round 2 | BORTOLETTI | 16 | 3NT | ♥Q | -1 | -12 |
| -9.6 | Round 2 | BORTOLETTI | 20 | 6♠x | ♦K | -5 | -1 |
| -9.8 | Round 3 | CZECHIA U23 | 2 | 3♦ | ♣K | +2 | -15 |
| -11.8 | Round 3 | CZECHIA U23 | 6 | 3NT | ♠T | = | -10 |
| -13.1 | Round 2 | BORTOLETTI | 27 | 3♥x | ♠5 | -4 | -12 |