MIERZWA Aleksandra · BELUGALIA
vs par split: bidding -0.55 · play -0.62
Strength of schedule: opponents averaged -0.64/bd (an easy draw) → opponent-adjusted -1.85/bd
Card play — on target: opening leads 81.8% #116 of 332 · declarer play 53.8% #319 of 332 · defence 63.3% #331 of 332
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 85.7% (7) |
| Declarer play | 50.0% (6) | 57.1% (7) |
| Defence | 62.5% (8) | 63.6% (22) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 75.0% (4) · ♦ 66.7% (3) · ♣ 100.0% (3)
vs par by strain: NT -1.59 (17) · a suit -1.00 (43)
vs par by level: part-score -1.18 (17) · game -1.54 (41) · slam +6.50 (2)
By role: declaring -0.53/bd (-1.43 vs par · 30) · defending -1.89/bd (-0.90 vs par · 30)
By vulnerability: vulnerable -1.04/bd (-0.72 vs par · 29) · not vulnerable -1.36/bd (-1.58 vs par · 31)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | P.Bocken | T.Charlsen – N.Senior | Closed | 10 | -32.6 | -3.26 | -4.50 |
| Round 2 | P.Bocken | G.Bodis – V.Szucs | Closed | 10 | -4.8 | -0.48 | +0.20 |
| Round 3 | P.Bocken | D.Westermann – B.Donner | Closed | 10 | +7.5 | +0.75 | +0.70 |
| Round 5 | P.Bocken | P.Dias – Y.Kim | Closed | 10 | -28.6 | -2.86 | -1.60 |
| Round 8 | P.Bocken | V.Kovachev – D.Marquardt | Closed | 10 | -29.9 | -2.99 | -1.50 |
| Round 9 | P.Bocken | G.Min – H.Poon | Closed | 10 | +15.9 | +1.59 | -0.30 |
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 |
|---|---|---|---|---|---|---|---|
| +11.6 | Round 3 | BLACKY | 23 | 4♥ | ♠K | -2 | +13 |
| +9.9 | Round 9 | KWON LEE | 29 | 3NT | ♦2 | = | +10 |
| +8.4 | Round 9 | KWON LEE | 28 | 3NT | ♠10 | = | +12 |
| +5.6 | Round 8 | VALIO | 19 | 4♠ | ♣7 | +1 | +7 |
| +5.3 | Round 5 | BEATUS | 15 | 6♥ | ♣2 | -2 | +13 |
| +4.5 | Round 3 | BLACKY | 28 | 3♠ | ♦A | = | +1 |
| +4.3 | Round 9 | KWON LEE | 24 | 4♥ | ♠10 | = | +0 |
| +3.7 | Round 3 | BLACKY | 24 | 5♠ | ♥A | -2 | +11 |
| +3.0 | Round 9 | KWON LEE | 25 | 4♠ | ♥A | = | +0 |
| +2.9 | Round 5 | BEATUS | 17 | 3♦ | ♣A | -1 | +5 |
| +2.6 | Round 8 | VALIO | 20 | 2♣ | ♥K | +2 | +0 |
| +2.4 | Round 1 | DE BOTTON | 10 | 5♥x | ♠K | -2 | +7 |
| +2.4 | Round 9 | KWON LEE | 27 | 3♣ | ♠A | -1 | -3 |
| +2.2 | Round 2 | BODIS | 12 | 4♠ | ♠2 | -1 | -2 |
| +2.2 | Round 8 | VALIO | 13 | 3NT | ♣5 | -1 | +6 |
| +2.1 | Round 1 | DE BOTTON | 1 | 4♠ | ♣6 | = | +0 |
| +2.0 | Round 3 | BLACKY | 30 | 3NT | ♦9 | +1 | +0 |
| +1.9 | Round 2 | BODIS | 16 | 3♣ | ♥10 | -2 | +2 |
| +1.6 | Round 2 | BODIS | 17 | 2♠ | ♥6 | = | +5 |
| +1.4 | Round 2 | BODIS | 15 | 4♥ | ♦4 | +2 | +1 |
| +1.1 | Round 2 | BODIS | 18 | 3♠ | ♣K | -1 | +8 |
| +0.3 | Round 2 | BODIS | 13 | 5♦ | ♣A | = | -2 |
| +0.2 | Round 2 | BODIS | 20 | 5♠ | ♦3 | = | +13 |
| -0.0 | Round 3 | BLACKY | 22 | 5♦ | ♥6 | +1 | -1 |
| -0.1 | Round 3 | BLACKY | 27 | 3NT | ♦3 | +1 | +0 |
| -0.2 | Round 3 | BLACKY | 21 | 3NT | ♣4 | = | +1 |
| -0.2 | Round 5 | BEATUS | 16 | 1NT | ♠3 | +1 | +1 |
| -0.2 | Round 8 | VALIO | 16 | 3NT | ♣4 | +2 | +0 |
| -0.2 | Round 9 | KWON LEE | 26 | 3NT | ♠K | +1 | -1 |
| -0.9 | Round 8 | VALIO | 17 | 3♣ | ♥8 | -2 | +1 |
| -1.0 | Round 1 | DE BOTTON | 2 | 3NT | ♥9 | +1 | +1 |
| -1.1 | Round 9 | KWON LEE | 21 | 3♠ | ♥Q | +1 | -1 |
| -1.2 | Round 9 | KWON LEE | 30 | 3NT | ♥3 | +3 | -1 |
| -1.5 | Round 1 | DE BOTTON | 6 | 4♠ | ♦3 | +1 | +0 |
| -1.7 | Round 1 | DE BOTTON | 9 | 2♥ | ♣Q | -1 | -4 |
| -1.7 | Round 5 | BEATUS | 12 | 4♠ | ♦5 | +2 | -1 |
| -1.7 | Round 5 | BEATUS | 14 | 3NT | ♥3 | = | -2 |
| -1.9 | Round 2 | BODIS | 19 | 2♠ | ♦2 | -2 | -5 |
| -2.0 | Round 5 | BEATUS | 11 | 4♠x | ♦A | -3 | -1 |
| -2.3 | Round 1 | DE BOTTON | 8 | 4♥ | ♣Q | -1 | -5 |
| -2.9 | Round 5 | BEATUS | 13 | 4♥ | ♠K | = | +0 |
| -3.3 | Round 1 | DE BOTTON | 7 | 3NT | ♥Q | = | -10 |
| -3.4 | Round 3 | BLACKY | 26 | 3NT | ♠5 | +3 | -13 |
| -3.4 | Round 5 | BEATUS | 19 | 4♠ | ♣7 | -1 | -6 |
| -3.6 | Round 8 | VALIO | 12 | 2♠ | ♣6 | -1 | -6 |
| -3.8 | Round 9 | KWON LEE | 23 | 1NT | ♦7 | = | -5 |
| -4.7 | Round 1 | DE BOTTON | 5 | 4♠ | ♥Q | -3 | -9 |
| -5.0 | Round 3 | BLACKY | 29 | 4♠ | ♦9 | = | +0 |
| -5.6 | Round 2 | BODIS | 11 | 4♠ | ♥K | -2 | -8 |
| -5.6 | Round 3 | BLACKY | 25 | 2♥ | ♠6 | = | -5 |
| -5.7 | Round 8 | VALIO | 14 | 4♥ | ♥5 | -1 | -8 |
| -5.8 | Round 9 | KWON LEE | 22 | 3NT | ♥3 | -1 | -14 |
| -6.0 | Round 2 | BODIS | 14 | 5♣x | ♠4 | = | -10 |
| -9.1 | Round 8 | VALIO | 15 | 3NT | ♥3 | -2 | -12 |
| -9.7 | Round 8 | VALIO | 18 | 6♦ | ♥K | = | +0 |
| -9.8 | Round 1 | DE BOTTON | 3 | 4♥ | ♣Q | +1 | -11 |
| -11.1 | Round 8 | VALIO | 11 | 3♣x | ♥6 | -5 | -3 |
| -12.2 | Round 5 | BEATUS | 18 | 2♠x | ♥10 | = | -11 |
| -12.7 | Round 5 | BEATUS | 20 | 4♥x | ♦K | = | -14 |
| -12.8 | Round 1 | DE BOTTON | 4 | 4♥ | ♦J | -3 | -14 |