MROZ Blazej · POLAND U16
vs par split: bidding -0.03 · play -0.10
Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.55/bd
Card play — on target: opening leads 72.2% #375 of 428 · declarer play 72.7% #252 of 428 · defence 85.4% #154 of 428
Bidding activity — not a pass: 42.3% #278 of 428 (91/215)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 25.0% (4) | 85.7% (14) |
| Declarer play | 100.0% (6) | 62.5% (16) |
| Defence | 88.9% (9) | 84.4% (32) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (2) · ♦ 75.0% (8) · ♣ 25.0% (4)
vs par by strain: NT -0.53 (17) · a suit -0.02 (62)
vs par by level: part-score +0.12 (26) · game -1.39 (46) · slam +7.29 (7)
By role: declaring -1.72/bd (-3.60 vs par · 38) · defending +0.50/bd (+3.10 vs par · 41)
By vulnerability: vulnerable -0.57/bd (-1.00 vs par · 40) · not vulnerable -0.60/bd (+0.68 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Prokopowicz | F.Piedra – M.Mediero | Closed | 10 | -11.8 | -1.18 | -4.00 |
| Round 2 | M.Prokopowicz | K.Jacobsen – M.Larsen | Open | 10 | -9.1 | -0.91 | +0.40 |
| Round 3 | M.Prokopowicz | A.Carletti – G.Vignaga | Open | 10 | +0.2 | +0.02 | -0.80 |
| Round 4 | J.Michalski | H.Georgescu – A.Negoescu | Open | 10 | +0.7 | +0.07 | -1.20 |
| Round 6 | M.Prokopowicz | K.Kisielewski – M.Janik | Closed | 10 | +4.9 | +0.49 | +1.50 |
| Round 7 | M.Prokopowicz | M.Lanzarotti – A.Franchi | Open | 10 | -15.4 | -1.54 | +1.10 |
| Round 8 | M.Prokopowicz | S.Bohnsack – S.Bohnsack | Open | 10 | -32.5 | -3.25 | -1.30 |
| Round 9 | J.Michalski | P.Pabst – M.Guendel | Open | 10 | +16.3 | +1.63 | +3.00 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 4 | AMBRA | 9 | 6♣x | ♥J | -1 | +11 |
| +11.4 | Round 3 | ITA WILD BOYS | 28 | 3NT | ♣Q | -2 | +12 |
| +10.7 | Round 6 | CKIS SKAWINA WISLA | 30 | 6♥ | ♦A | -1 | +11 |
| +10.5 | Round 4 | AMBRA | 8 | 7♥ | ♦J | -1 | +14 |
| +6.7 | Round 9 | CARDSAGAINSTURSANITY | 21 | 4♠ | ♥5 | = | +10 |
| +6.3 | Round 4 | AMBRA | 7 | 4♠ | ♣Q | -1 | +6 |
| +6.1 | Round 2 | DEAD BIRDS CLUB | 12 | 4♥ | ♠J | -3 | +10 |
| +5.3 | Round 9 | CARDSAGAINSTURSANITY | 28 | 3NT | ♦A | -1 | +10 |
| +4.9 | Round 4 | AMBRA | 2 | 4♠x | ♥5 | -1 | -5 |
| +4.7 | Round 3 | ITA WILD BOYS | 27 | 3NT | ♦2 | -2 | +0 |
| +4.4 | Round 9 | CARDSAGAINSTURSANITY | 29 | 2♠ | ♥8 | = | +6 |
| +4.3 | Round 6 | CKIS SKAWINA WISLA | 29 | 3NT | ♣K | -2 | +8 |
| +4.3 | Round 7 | BRENO | 5 | 4♠ | ♦6 | -1 | +5 |
| +3.9 | Round 1 | MSV | 4 | 4♥ | ♠3 | = | +0 |
| +3.3 | Round 6 | CKIS SKAWINA WISLA | 25 | 3NT | ♥3 | +1 | +0 |
| +2.7 | Round 7 | BRENO | 3 | 4♥x | ♠K | -1 | +6 |
| +2.6 | Round 7 | BRENO | 6 | 2♠ | ♦9 | -1 | +4 |
| +2.5 | Round 1 | MSV | 5 | 3♠ | ♦T | +2 | +6 |
| +2.2 | Round 2 | DEAD BIRDS CLUB | 16 | 2♦ | ♣3 | -2 | +5 |
| +2.1 | Round 1 | MSV | 3 | 4♥ | ♠Q | = | -1 |
| +2.1 | Round 9 | CARDSAGAINSTURSANITY | 23 | 3♦ | ♥A | -4 | +5 |
| +1.9 | Round 9 | CARDSAGAINSTURSANITY | 25 | 3NT | ♥K | = | -1 |
| +1.5 | Round 2 | DEAD BIRDS CLUB | 19 | 4♠ | ♦7 | +1 | +0 |
| +1.4 | Round 3 | ITA WILD BOYS | 24 | 2♦ | ♠Q | = | -1 |
| +1.4 | Round 6 | CKIS SKAWINA WISLA | 23 | 3NT | ♣6 | +2 | +0 |
| +1.3 | Round 2 | DEAD BIRDS CLUB | 17 | 2♠ | ♦T | = | +5 |
| +1.3 | Round 6 | CKIS SKAWINA WISLA | 21 | 4♥ | ♠6 | -1 | +6 |
| +1.2 | Round 4 | AMBRA | 5 | 4♠x | ♥A | -1 | -5 |
| +1.1 | Round 3 | ITA WILD BOYS | 22 | 3NT | ♣2 | = | +1 |
| +1.0 | Round 8 | BOHNANZAR | 11 | 1NT | ♠2 | -1 | +2 |
| +1.0 | Round 9 | CARDSAGAINSTURSANITY | 30 | 3♣ | ♠Q | +3 | +6 |
| +0.5 | Round 8 | BOHNANZAR | 18 | 4♥ | ♠A | +1 | -1 |
| +0.5 | Round 9 | CARDSAGAINSTURSANITY | 22 | 4♥ | ♦2 | = | +1 |
| +0.1 | Round 6 | CKIS SKAWINA WISLA | 28 | 2♥ | ♣J | = | +0 |
| -0.1 | Round 1 | MSV | 8 | 2♠ | ♥8 | -1 | +1 |
| -0.1 | Round 3 | ITA WILD BOYS | 23 | 3♦ | ♥4 | +2 | +1 |
| -0.2 | Round 2 | DEAD BIRDS CLUB | 14 | 5♣ | ♠K | -1 | -4 |
| -0.6 | Round 7 | BRENO | 9 | 4♥ | ♣4 | +1 | +0 |
| -0.7 | Round 2 | DEAD BIRDS CLUB | 15 | 3♠ | ♦6 | +1 | +10 |
| -0.7 | Round 6 | CKIS SKAWINA WISLA | 22 | 3♥ | ♣K | +1 | +1 |
| -0.8 | Round 3 | ITA WILD BOYS | 29 | 2♥ | ♥3 | +1 | +0 |
| -0.8 | Round 8 | BOHNANZAR | 19 | 1NT | ♥4 | = | -1 |
| -1.0 | Round 8 | BOHNANZAR | 13 | 3♦ | ♦6 | -1 | +0 |
| -1.0 | Round 9 | CARDSAGAINSTURSANITY | 26 | 4♠ | ♠6 | +1 | +0 |
| -1.2 | Round 7 | BRENO | 1 | 4♠ | ♦J | +1 | -1 |
| -1.3 | Round 2 | DEAD BIRDS CLUB | 18 | 3♥ | ♣5 | +1 | -6 |
| -1.4 | Round 1 | MSV | 7 | 4♠ | ♦T | -2 | -8 |
| -1.7 | Round 1 | MSV | 10 | 1NT | ♠J | = | +1 |
| -1.8 | Round 3 | ITA WILD BOYS | 30 | 4♠ | ♠2 | = | +0 |
| -1.8 | Round 9 | CARDSAGAINSTURSANITY | 24 | 4♥x | ♦2 | -2 | +0 |
| -2.0 | Round 1 | MSV | 6 | Pass | -3 | ||
| -2.3 | Round 7 | BRENO | 7 | 3♥x | ♠5 | -2 | -9 |
| -2.3 | Round 8 | BOHNANZAR | 17 | 4♥ | ♠A | +1 | +10 |
| -2.4 | Round 1 | MSV | 1 | 3♣ | ♥3 | +3 | -13 |
| -2.7 | Round 8 | BOHNANZAR | 20 | 3♥ | ♠K | -2 | -3 |
| -2.8 | Round 9 | CARDSAGAINSTURSANITY | 27 | 3♥ | ♣3 | +1 | -7 |
| -3.1 | Round 7 | BRENO | 4 | 2♠ | ♠J | -3 | -5 |
| -3.2 | Round 4 | AMBRA | 10 | 3♠ | ♥J | +1 | -1 |
| -3.3 | Round 3 | ITA WILD BOYS | 26 | 4♥ | ♦J | = | +1 |
| -3.3 | Round 6 | CKIS SKAWINA WISLA | 24 | 3♠ | ♦J | -1 | -4 |
| -3.7 | Round 4 | AMBRA | 1 | 5♠ | ♥K | -3 | -6 |
| -4.0 | Round 8 | BOHNANZAR | 12 | 4♠x | ♦A | -2 | -3 |
| -4.2 | Round 3 | ITA WILD BOYS | 21 | 4♥ | ♠K | -1 | -10 |
| -4.4 | Round 2 | DEAD BIRDS CLUB | 20 | 3NT | ♥Q | -1 | -6 |
| -5.5 | Round 7 | BRENO | 8 | 6♠ | ♣A | +1 | +11 |
| -5.7 | Round 7 | BRENO | 10 | 5♥ | ♣K | -1 | -13 |
| -5.8 | Round 1 | MSV | 9 | 5♥ | ♣Q | -1 | -11 |
| -5.9 | Round 6 | CKIS SKAWINA WISLA | 27 | 3NT | ♣9 | = | +0 |
| -6.1 | Round 8 | BOHNANZAR | 15 | 6♦ | ♦T | = | +2 |
| -6.3 | Round 2 | DEAD BIRDS CLUB | 13 | 3NT | ♠5 | = | -10 |
| -6.3 | Round 6 | CKIS SKAWINA WISLA | 26 | 3NT | ♣T | -2 | -7 |
| -6.4 | Round 8 | BOHNANZAR | 14 | 3NT | ♠T | -5 | -8 |
| -6.6 | Round 7 | BRENO | 2 | 6♠ | ♦K | = | +13 |
| -6.9 | Round 1 | MSV | 2 | 4♥ | ♣A | -1 | -12 |
| -7.3 | Round 2 | DEAD BIRDS CLUB | 11 | 4♠ | ♣3 | = | +0 |
| -7.3 | Round 4 | AMBRA | 6 | 4♠ | ♦5 | = | -3 |
| -8.2 | Round 3 | ITA WILD BOYS | 25 | 5♥ | ♠T | -1 | -12 |
| -9.9 | Round 4 | AMBRA | 4 | 5♥ | ♠J | +1 | -13 |
| -10.7 | Round 8 | BOHNANZAR | 16 | 6♥ | ♦3 | -2 | -11 |
| -10.8 | Round 4 | AMBRA | 3 | 3NT | ♠8 | = | -10 |