🇵🇱 MARCINOWSKI Piotr · POLAND
vs par split: bidding +1.37 · play +0.10
Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted -0.04/bd
Card play — on target: opening leads 83.3% #45 of 95 · declarer play 92.9% #4 of 95 · defence 87.5% #22 of 95
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 84.6% (13) |
| Declarer play | 66.7% (3) | 100.0% (11) |
| Defence | 100.0% (6) | 84.6% (26) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (3) · ♦ 75.0% (8) · ♣ 100.0% (3)
vs par by strain: NT +2.92 (13) · a suit +1.06 (51)
vs par by level: part-score +2.15 (20) · game +0.67 (39) · slam +4.60 (5)
By role: declaring +0.35/bd (+0.03 vs par · 31) · defending -0.97/bd (+2.76 vs par · 33)
By vulnerability: vulnerable -0.68/bd (+1.31 vs par · 32) · not vulnerable +0.02/bd (+1.56 vs par · 32)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Sobczak | I.Robson – E.Singhal | Open | 8 | -9.8 | -1.23 | +1.00 |
| Round 2 | M.Sobczak | F.Basoalto – N.Davila | Open | 8 | +31.8 | +3.98 | +6.38 |
| Round 3 | M.Sobczak | T.Sprinkhuizen – G.Mendes De Leon | Open | 8 | -5.4 | -0.68 | +1.62 |
| Round 4 | M.Sobczak | Y.Yin – C.Liu | Open | 8 | +3.0 | +0.38 | +1.50 |
| Round 5 | M.Sobczak | K.Rosenberg – B.Kristensen | Open | 8 | -33.0 | -4.12 | -0.38 |
| Round 6 | M.Sobczak | CHAKRABORTY ARYA – GHOSH SOUMADEEP | Open | 8 | +6.4 | +0.80 | +0.75 |
| Round 7 | M.Sobczak | F.Chiarandini – A.Gaiotti | Open | 8 | -5.6 | -0.70 | -1.12 |
| Round 8 | M.Sobczak | S.Natt – B.Norton | Open | 8 | -8.5 | -1.06 | +1.75 |
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 |
|---|---|---|---|---|---|---|---|
| +8.6 | Round 6 | 🇮🇳 INDIA | 14 | 4♥ | ♣2 | = | +0 |
| +8.2 | Round 2 | 🇨🇱 CHILE | 11 | 3♠ | ♣3 | -1 | +9 |
| +7.7 | Round 2 | 🇨🇱 CHILE | 16 | 4♠ | ♥Q | -5 | +12 |
| +7.4 | Round 2 | 🇨🇱 CHILE | 12 | 3NT | ♣7 | -1 | +13 |
| +7.2 | Round 2 | 🇨🇱 CHILE | 10 | 4♥ | ♣A | -2 | +9 |
| +7.2 | Round 4 | 🇨🇳 CHINA RDFZ HU | 31 | 5♣x | ♠A | -4 | +4 |
| +7.1 | Round 8 | NATT | 31 | 4♠ | ♦3 | -1 | +12 |
| +5.1 | Round 1 | ALSO INDIA | 8 | 3♥ | ♣5 | +1 | +7 |
| +5.1 | Round 6 | 🇮🇳 INDIA | 16 | 3NT | ♠5 | -2 | +13 |
| +3.9 | Round 7 | 🇮🇹 ITALIA | 23 | 4♥ | ♣7 | -1 | +6 |
| +3.5 | Round 2 | 🇨🇱 CHILE | 15 | 3NT | ♦J | -1 | +6 |
| +3.5 | Round 3 | 🇳🇱 NETHERLANDS | 17 | 4♠ | ♣K | +1 | +0 |
| +3.4 | Round 7 | 🇮🇹 ITALIA | 21 | 4♠ | ♥3 | = | +7 |
| +3.1 | Round 1 | ALSO INDIA | 1 | 4♠ | ♥2 | -3 | +2 |
| +3.1 | Round 3 | 🇳🇱 NETHERLANDS | 23 | 2♠ | ♦2 | = | -1 |
| +2.0 | Round 8 | NATT | 25 | 4♠ | ♣2 | +1 | +0 |
| +1.9 | Round 6 | 🇮🇳 INDIA | 9 | 4♥ | ♣Q | = | +0 |
| +1.9 | Round 7 | 🇮🇹 ITALIA | 22 | 4♠ | ♦10 | +2 | +11 |
| +1.8 | Round 8 | NATT | 26 | 4♠ | ♥10 | = | +0 |
| +1.5 | Round 7 | 🇮🇹 ITALIA | 19 | 4♥ | ♣K | -1 | -5 |
| +1.2 | Round 4 | 🇨🇳 CHINA RDFZ HU | 30 | 3NT | ♣K | = | -2 |
| +1.0 | Round 5 | SIVY B | 1 | 2♥ | ♠5 | = | +0 |
| +1.0 | Round 5 | SIVY B | 4 | 1NT | ♠3 | = | +0 |
| +0.9 | Round 3 | 🇳🇱 NETHERLANDS | 18 | 6NT | ♥9 | = | +11 |
| +0.9 | Round 7 | 🇮🇹 ITALIA | 17 | 2♣ | ♦Q | -1 | -2 |
| +0.7 | Round 2 | 🇨🇱 CHILE | 9 | 4♠ | ♣7 | = | -1 |
| +0.6 | Round 1 | ALSO INDIA | 6 | 2♦ | ♣4 | +2 | +10 |
| +0.3 | Round 4 | 🇨🇳 CHINA RDFZ HU | 27 | 4♥ | ♦K | = | +0 |
| +0.2 | Round 2 | 🇨🇱 CHILE | 14 | 3♦ | ♣A | -1 | +3 |
| +0.2 | Round 3 | 🇳🇱 NETHERLANDS | 20 | 3NT | ♦Q | = | +10 |
| +0.2 | Round 6 | 🇮🇳 INDIA | 10 | 1NT | ♥4 | +1 | +0 |
| +0.1 | Round 4 | 🇨🇳 CHINA RDFZ HU | 25 | 3♦ | ♦4 | -1 | +3 |
| +0.0 | Round 3 | 🇳🇱 NETHERLANDS | 24 | 1♠ | ♠8 | -1 | -2 |
| +0.0 | Round 4 | 🇨🇳 CHINA RDFZ HU | 32 | 1NT | ♠Q | = | +9 |
| -0.2 | Round 8 | NATT | 30 | 5♦x | ♠Q | -2 | +0 |
| -0.6 | Round 6 | 🇮🇳 INDIA | 13 | 4♥ | ♦K | +1 | +0 |
| -0.8 | Round 5 | SIVY B | 2 | 3♥ | ♦A | -1 | +2 |
| -0.9 | Round 3 | 🇳🇱 NETHERLANDS | 21 | 3♠ | ♥10 | = | +0 |
| -0.9 | Round 4 | 🇨🇳 CHINA RDFZ HU | 26 | 2♥ | ♦6 | -1 | +0 |
| -1.2 | Round 6 | 🇮🇳 INDIA | 12 | 4♥ | ♠2 | = | +0 |
| -1.3 | Round 6 | 🇮🇳 INDIA | 15 | 4♥ | ♦A | +1 | +0 |
| -1.5 | Round 4 | 🇨🇳 CHINA RDFZ HU | 28 | 4♥ | ♠2 | -2 | -2 |
| -1.5 | Round 8 | NATT | 29 | 2♠ | ♠6 | +3 | +9 |
| -1.7 | Round 1 | ALSO INDIA | 7 | 3♥ | ♣K | = | +0 |
| -1.8 | Round 8 | NATT | 32 | 3♦ | ♣K | +1 | +0 |
| -2.6 | Round 1 | ALSO INDIA | 3 | 3♣ | ♦A | +1 | +0 |
| -2.7 | Round 1 | ALSO INDIA | 2 | 6♥ | ♣2 | = | +0 |
| -2.9 | Round 3 | 🇳🇱 NETHERLANDS | 22 | 2♥ | ♦10 | -1 | -4 |
| -3.1 | Round 2 | 🇨🇱 CHILE | 13 | 4♠ | ♥A | +1 | +0 |
| -3.2 | Round 5 | SIVY B | 7 | 3NT | ♦2 | -3 | -9 |
| -3.4 | Round 4 | 🇨🇳 CHINA RDFZ HU | 29 | 3NT | ♥6 | +1 | +0 |
| -3.5 | Round 8 | NATT | 28 | 4♥x | ♦K | -2 | +5 |
| -3.7 | Round 7 | 🇮🇹 ITALIA | 18 | 5♣ | ♠A | -1 | -5 |
| -5.0 | Round 5 | SIVY B | 8 | 4♥ | ♦2 | +1 | -8 |
| -5.4 | Round 1 | ALSO INDIA | 4 | 4♠ | ♣5 | +1 | -4 |
| -6.2 | Round 1 | ALSO INDIA | 5 | 4♥ | ♦A | = | -7 |
| -6.3 | Round 6 | 🇮🇳 INDIA | 11 | 4♥ | ♦7 | +1 | -7 |
| -6.7 | Round 7 | 🇮🇹 ITALIA | 20 | 3NT | ♠J | -1 | -13 |
| -6.8 | Round 7 | 🇮🇹 ITALIA | 24 | 4♥ | ♦A | = | -8 |
| -7.0 | Round 5 | SIVY B | 5 | 6♠ | ♦3 | = | +0 |
| -8.7 | Round 5 | SIVY B | 3 | 6♦ | ♠8 | = | +12 |
| -9.3 | Round 3 | 🇳🇱 NETHERLANDS | 19 | 5♠ | ♦7 | = | -1 |
| -10.3 | Round 5 | SIVY B | 6 | 6NT | ♦2 | = | +0 |
| -12.4 | Round 8 | NATT | 27 | 4♠x | ♣K | -4 | -12 |