SOBCZAK Mateusz · POLAND JUNIORS
vs par split: bidding +0.17 · play -0.07
Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted +0.12/bd
Card play — on target: opening leads 77.5% #26 of 44 · declarer play 75.7% #29 of 44 · defence 81.7% #43 of 44
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (12) | 82.1% (28) |
| Declarer play | 87.5% (16) | 66.7% (21) |
| Defence | 72.0% (25) | 86.0% (57) |
Opening leads by suit led: ♠ 66.7% (9) · ♥ 75.0% (8) · ♦ 82.4% (17) · ♣ 83.3% (6)
vs par by strain: NT -0.59 (54) · a suit +0.44 (114)
vs par by level: part-score +0.44 (68) · game -0.40 (90) · slam +2.40 (10)
By role: declaring +0.51/bd (-1.21 vs par · 86) · defending -0.51/bd (+1.49 vs par · 82)
By vulnerability: vulnerable -0.06/bd (+0.44 vs par · 84) · not vulnerable +0.09/bd (-0.23 vs par · 84)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 64 | M.Chodacki | F.Helness – M.Andresen | Open | 14 | +6.6 | +0.47 | +1.36 |
| Round of 64 | M.Chodacki | F.Helness – M.Andresen | Open | 14 | +0.5 | +0.04 | +1.79 |
| Round of 64 | M.Chodacki | F.Helness – M.Andresen | Open | 14 | -11.6 | -0.83 | -0.57 |
| Round of 64 | M.Chodacki | M.Andresen – A.Farstad | Closed | 14 | +11.1 | +0.79 | +1.43 |
| Round of 32 | M.Chodacki | W.Zhang – J.Liu | Closed | 14 | +40.9 | +2.92 | +3.00 |
| Round of 32 | M.Chodacki | W.Zhang – J.Liu | Closed | 14 | +1.9 | +0.14 | -1.50 |
| Round of 32 | M.Chodacki | Y.Zhao – X.Li | Closed | 14 | -8.1 | -0.58 | -1.14 |
| Round of 32 | M.Chodacki | Y.Zhao – X.Li | Closed | 14 | -13.8 | -0.99 | -1.57 |
| Round of 16 | M.Chodacki | T.Paske – E.Jones | Closed | 14 | -30.4 | -2.17 | -3.43 |
| Round of 16 | M.Chodacki | A.Robson – A.Allfrey | Open | 14 | +16.3 | +1.16 | +0.64 |
| Round of 16 | M.Chodacki | E.Jones – T.Paske | Open | 14 | -2.8 | -0.20 | +1.07 |
| Round of 16 | M.Chodacki | T.Paske – E.Jones | Closed | 14 | -8.4 | -0.60 | +0.21 |
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 |
|---|---|---|---|---|---|---|---|
| +15.6 | Round of 16 | ALLFREY | 19 | 6♣x | ♠4 | = | +16 |
| +9.5 | Round of 32 | CHINA OPEN 2 | 9 | 3NT | ♥4 | -1 | +11 |
| +8.8 | Round of 64 | VICKY | 43 | 2♦x | ♠A | +2 | +7 |
| +8.3 | Round of 32 | CHINA OPEN 2 | 43 | 4♥x | ♥10 | -2 | +3 |
| +7.5 | Round of 32 | CHINA OPEN 2 | 2 | 6♥ | ♠Q | = | +0 |
| +6.9 | Round of 32 | CHINA OPEN 2 | 6 | 4♥ | ♣5 | -1 | +10 |
| +6.5 | Round of 32 | CHINA OPEN 2 | 30 | 3NT | ♥2 | = | +0 |
| +5.6 | Round of 64 | VICKY | 11 | 3NT | ♦8 | -3 | +7 |
| +5.1 | Round of 32 | CHINA OPEN 2 | 7 | 3NT | ♦6 | +2 | +1 |
| +5.1 | Round of 16 | ALLFREY | 16 | 4♠ | ♣10 | = | +10 |
| +5.0 | Round of 64 | VICKY | 27 | 3♠ | ♣A | = | +10 |
| +4.9 | Round of 32 | CHINA OPEN 2 | 25 | 5♣x | ♦A | +1 | +10 |
| +4.9 | Round of 16 | ALLFREY | 35 | 4♥ | ♠Q | -1 | +12 |
| +4.8 | Round of 64 | VICKY | 49 | 3♥ | ♠A | +1 | +11 |
| +4.3 | Round of 32 | CHINA OPEN 2 | 1 | 3NT | ♥10 | = | +7 |
| +4.1 | Round of 32 | CHINA OPEN 2 | 3 | 3♣ | ♥A | +1 | +7 |
| +4.1 | Round of 32 | CHINA OPEN 2 | 19 | 2NT | ♦A | -1 | +5 |
| +4.0 | Round of 64 | VICKY | 8 | 6♦ | ♠10 | = | -11 |
| +4.0 | Round of 32 | CHINA OPEN 2 | 42 | 5♦ | ♣A | = | -1 |
| +3.9 | Round of 32 | CHINA OPEN 2 | 55 | 2♥ | ♠K | = | +0 |
| +3.6 | Round of 64 | VICKY | 42 | 3♠ | ♦Q | -1 | +5 |
| +3.5 | Round of 64 | VICKY | 54 | 4♠ | ♥10 | +2 | +1 |
| +3.5 | Round of 32 | CHINA OPEN 2 | 18 | 4NT | ♠A | +2 | +1 |
| +3.4 | Round of 16 | ALLFREY | 44 | 4♠ | ♦3 | -1 | +9 |
| +3.2 | Round of 64 | VICKY | 1 | 1NT | ♦Q | +2 | +7 |
| +3.2 | Round of 16 | ALLFREY | 41 | 4♠ | ♦6 | -1 | +6 |
| +2.9 | Round of 64 | VICKY | 4 | 4♣ | ♦2 | = | +0 |
| +2.9 | Round of 64 | VICKY | 15 | 3♠ | ♦A | -1 | +5 |
| +2.9 | Round of 16 | ALLFREY | 15 | 4♥ | ♣K | = | +0 |
| +2.8 | Round of 16 | ALLFREY | 25 | 3NT | ♠7 | -1 | +4 |
| +2.7 | Round of 16 | ALLFREY | 21 | 3NT | ♣4 | = | +0 |
| +2.7 | Round of 16 | ALLFREY | 34 | 3♥ | ♠3 | -1 | -2 |
| +2.5 | Round of 16 | ALLFREY | 56 | 2♦x | ♦2 | -1 | +0 |
| +2.4 | Round of 64 | VICKY | 33 | 1♠ | ♥3 | = | +5 |
| +2.4 | Round of 64 | VICKY | 50 | 3♥ | ♦3 | = | +6 |
| +2.4 | Round of 32 | CHINA OPEN 2 | 13 | 3♠ | ♥A | = | +1 |
| +2.3 | Round of 32 | CHINA OPEN 2 | 12 | 3NT | ♥7 | +1 | +0 |
| +2.2 | Round of 64 | VICKY | 34 | 6♠ | ♣6 | -2 | +11 |
| +2.1 | Round of 16 | ALLFREY | 40 | 2♥ | ♥3 | = | +9 |
| +2.0 | Round of 64 | VICKY | 39 | 2♦ | ♠2 | -1 | +5 |
| +1.8 | Round of 64 | VICKY | 37 | 3♥ | ♦Q | -1 | +4 |
| +1.8 | Round of 32 | CHINA OPEN 2 | 32 | 4♥ | ♠9 | -5 | +9 |
| +1.7 | Round of 32 | CHINA OPEN 2 | 52 | 1NT | ♦Q | +1 | +0 |
| +1.6 | Round of 32 | CHINA OPEN 2 | 47 | 4♠ | ♥7 | = | +1 |
| +1.5 | Round of 32 | CHINA OPEN 2 | 41 | 3♥ | ♣2 | = | -10 |
| +1.3 | Round of 64 | VICKY | 3 | 2♥ | ♥6 | = | +0 |
| +1.3 | Round of 32 | CHINA OPEN 2 | 15 | 3NT | ♣10 | +2 | +0 |
| +1.3 | Round of 16 | ALLFREY | 8 | 4NT | ♠3 | +1 | +0 |
| +1.2 | Round of 64 | VICKY | 45 | 1NT | ♥Q | +2 | +0 |
| +1.2 | Round of 32 | CHINA OPEN 2 | 27 | 2♠ | ♣7 | -1 | -2 |
| +1.1 | Round of 64 | VICKY | 13 | 3♠ | ♦K | +1 | -10 |
| +1.1 | Round of 64 | VICKY | 21 | 3♣ | ♣Q | -3 | +8 |
| +1.1 | Round of 64 | VICKY | 55 | 3♠ | ♣Q | +1 | -6 |
| +1.1 | Round of 16 | ALLFREY | 33 | 3NT | ♠7 | -3 | +9 |
| +1.0 | Round of 64 | VICKY | 46 | 2♣x | ♦4 | -1 | -1 |
| +1.0 | Round of 32 | CHINA OPEN 2 | 50 | 4♥ | ♥6 | = | +0 |
| +0.9 | Round of 32 | CHINA OPEN 2 | 5 | 3♠ | ♥4 | +1 | +10 |
| +0.9 | Round of 16 | ALLFREY | 48 | 3NT | ♠9 | +1 | +0 |
| +0.8 | Round of 32 | CHINA OPEN 2 | 54 | 6♣ | ♠K | -1 | +12 |
| +0.7 | Round of 16 | ALLFREY | 24 | 3♦ | ♣K | +3 | -6 |
| +0.7 | Round of 16 | ALLFREY | 53 | 2♠ | ♣6 | -3 | -1 |
| +0.6 | Round of 64 | VICKY | 20 | 1NT | ♠2 | +1 | +1 |
| +0.6 | Round of 16 | ALLFREY | 10 | 1♠ | ♦8 | +3 | -1 |
| +0.5 | Round of 32 | CHINA OPEN 2 | 21 | 3NT | ♠5 | +2 | -10 |
| +0.5 | Round of 32 | CHINA OPEN 2 | 46 | 3NT | ♥5 | = | +0 |
| +0.5 | Round of 16 | ALLFREY | 6 | 4♥ | ♦8 | = | -1 |
| +0.5 | Round of 16 | ALLFREY | 32 | 3♣ | ♣5 | -1 | +5 |
| +0.4 | Round of 64 | VICKY | 9 | 3NT | ♠J | +2 | +1 |
| +0.4 | Round of 64 | VICKY | 19 | 4♠ | ♥K | +1 | +0 |
| +0.4 | Round of 64 | VICKY | 22 | 3NT | ♣4 | = | -1 |
| +0.4 | Round of 64 | VICKY | 24 | 2NT | ♠8 | = | +0 |
| +0.4 | Round of 32 | CHINA OPEN 2 | 4 | 2♠ | ♦Q | +1 | -10 |
| +0.4 | Round of 32 | CHINA OPEN 2 | 48 | 3♦ | ♣9 | +1 | +10 |
| +0.3 | Round of 32 | CHINA OPEN 2 | 8 | 3NTx | ♦4 | -1 | +5 |
| +0.3 | Round of 16 | ALLFREY | 42 | 4♥ | ♣2 | -3 | +6 |
| +0.2 | Round of 64 | VICKY | 53 | 3NT | ♠3 | +1 | +0 |
| +0.1 | Round of 64 | VICKY | 18 | 1NT | ♠5 | +1 | -1 |
| +0.1 | Round of 32 | CHINA OPEN 2 | 17 | 5♦ | ♦K | = | -2 |
| +0.0 | Round of 64 | VICKY | 17 | 4♠ | ♣5 | -1 | +2 |
| -0.0 | Round of 16 | ALLFREY | 22 | 4♥ | ♦9 | +2 | -2 |
| +0.0 | Round of 16 | ALLFREY | 43 | 4♠ | ♦10 | +1 | +0 |
| +0.0 | Round of 16 | ALLFREY | 49 | 6♠ | ♦6 | +1 | +11 |
| -0.1 | Round of 64 | VICKY | 14 | 4♠ | ♣5 | +1 | +0 |
| -0.1 | Round of 64 | VICKY | 30 | 4♠ | ♥K | = | +0 |
| -0.2 | Round of 64 | VICKY | 2 | 4♥ | ♣A | -1 | +2 |
| -0.2 | Round of 64 | VICKY | 5 | 2♠ | ♦K | -1 | +1 |
| -0.2 | Round of 32 | CHINA OPEN 2 | 28 | 3NT | ♦9 | -1 | -10 |
| -0.3 | Round of 32 | CHINA OPEN 2 | 31 | 4♥ | ♠A | +1 | -1 |
| -0.3 | Round of 16 | ALLFREY | 30 | 4♠ | ♣J | -2 | -11 |
| -0.3 | Round of 16 | ALLFREY | 52 | 3NT | ♥J | = | +1 |
| -0.4 | Round of 32 | CHINA OPEN 2 | 10 | 1NT | ♠4 | +2 | +0 |
| -0.4 | Round of 32 | CHINA OPEN 2 | 33 | 1NT | ♠10 | = | +0 |
| -0.4 | Round of 32 | CHINA OPEN 2 | 39 | 1NT | ♦10 | -1 | -1 |
| -0.4 | Round of 16 | ALLFREY | 46 | 1♠ | ♠A | +1 | -1 |
| -0.5 | Round of 64 | VICKY | 12 | 4♦ | ♥Q | +1 | +10 |
| -0.5 | Round of 32 | CHINA OPEN 2 | 26 | 3NT | ♠J | +3 | -1 |
| -0.5 | Round of 32 | CHINA OPEN 2 | 35 | 2♥ | ♠J | = | +0 |
| -0.5 | Round of 16 | ALLFREY | 26 | 3NT | ♣J | = | +1 |
| -0.5 | Round of 16 | ALLFREY | 31 | 4♠ | ♣7 | -2 | -7 |
| -0.7 | Round of 64 | VICKY | 44 | 4♥ | ♦4 | +1 | -4 |
| -0.7 | Round of 64 | VICKY | 52 | 4♠ | ♥2 | +1 | +0 |
| -0.9 | Round of 64 | VICKY | 25 | 2♥ | ♦K | +1 | +0 |
| -0.9 | Round of 64 | VICKY | 26 | 4♠ | ♦K | = | -1 |
| -0.9 | Round of 64 | VICKY | 38 | 4♥ | ♣J | +2 | -1 |
| -0.9 | Round of 64 | VICKY | 40 | 4♠ | ♣8 | +2 | -11 |
| -0.9 | Round of 16 | ALLFREY | 27 | 3NT | ♠8 | +2 | +0 |
| -0.9 | Round of 16 | ALLFREY | 28 | 4♥ | ♣6 | +2 | -1 |
| -0.9 | Round of 16 | ALLFREY | 39 | 4♥ | ♠3 | = | -3 |
| -0.9 | Round of 16 | ALLFREY | 55 | 3NT | ♦4 | +2 | +0 |
| -1.0 | Round of 64 | VICKY | 41 | 1NT | ♥2 | +1 | -1 |
| -1.0 | Round of 32 | CHINA OPEN 2 | 38 | 1NT | ♣A | = | +0 |
| -1.0 | Round of 16 | ALLFREY | 37 | 4♠ | ♥6 | +1 | -1 |
| -1.0 | Round of 16 | ALLFREY | 51 | 3NT | ♦6 | +3 | -12 |
| -1.1 | Round of 64 | VICKY | 47 | 1NT | ♥3 | = | -1 |
| -1.1 | Round of 32 | CHINA OPEN 2 | 24 | 3♣ | ♥A | = | +0 |
| -1.1 | Round of 16 | ALLFREY | 38 | 3♠ | ♣4 | +1 | +1 |
| -1.2 | Round of 32 | CHINA OPEN 2 | 11 | 1NT | ♠3 | -2 | +0 |
| -1.2 | Round of 32 | CHINA OPEN 2 | 14 | 6♠ | ♥A | = | +0 |
| -1.2 | Round of 16 | ALLFREY | 23 | 4♥ | ♠6 | -3 | -8 |
| -1.3 | Round of 64 | VICKY | 6 | 3♦ | ♠A | = | +0 |
| -1.3 | Round of 16 | ALLFREY | 11 | 1NT | ♥10 | -1 | -3 |
| -1.4 | Round of 64 | VICKY | 28 | 3NT | ♠2 | -1 | -10 |
| -1.4 | Round of 16 | ALLFREY | 7 | 3♦ | ♠Q | -2 | -2 |
| -1.5 | Round of 16 | ALLFREY | 1 | 1NT | ♥Q | +1 | +0 |
| -1.5 | Round of 16 | ALLFREY | 13 | 3♥ | ♣K | +2 | -10 |
| -1.6 | Round of 64 | VICKY | 16 | 4♥ | ♣5 | +1 | +10 |
| -1.6 | Round of 32 | CHINA OPEN 2 | 45 | 2♠ | ♦8 | +1 | +0 |
| -1.7 | Round of 64 | VICKY | 10 | 5♥ | ♠A | +1 | +12 |
| -1.7 | Round of 16 | ALLFREY | 4 | 4♥ | ♣Q | -1 | +1 |
| -1.8 | Round of 64 | VICKY | 35 | 2♠ | ♦5 | = | -6 |
| -1.8 | Round of 32 | CHINA OPEN 2 | 16 | 4♠ | ♦A | -1 | -6 |
| -1.8 | Round of 32 | CHINA OPEN 2 | 29 | 1NT | ♦K | = | +1 |
| -1.8 | Round of 32 | CHINA OPEN 2 | 34 | 2♠ | ♦K | = | -5 |
| -1.9 | Round of 16 | ALLFREY | 12 | 3NT | ♠10 | = | +0 |
| -2.0 | Round of 32 | CHINA OPEN 2 | 36 | 5♦x | ♠3 | -2 | +0 |
| -2.0 | Round of 32 | CHINA OPEN 2 | 49 | 4♠ | ♦J | -1 | -6 |
| -2.1 | Round of 32 | CHINA OPEN 2 | 23 | 4♠x | ♦A | -1 | +0 |
| -2.2 | Round of 32 | CHINA OPEN 2 | 22 | 4♥ | ♠J | +1 | +0 |
| -2.3 | Round of 16 | ALLFREY | 5 | 4♠ | ♠6 | = | +0 |
| -2.5 | Round of 16 | ALLFREY | 20 | 1♠x | ♣5 | -1 | -2 |
| -2.6 | Round of 64 | VICKY | 32 | 3♥ | ♦5 | = | +0 |
| -2.6 | Round of 64 | VICKY | 36 | 1♥x | ♦4 | -1 | +0 |
| -2.7 | Round of 16 | ALLFREY | 45 | 4♥ | ♦A | = | +0 |
| -2.8 | Round of 64 | VICKY | 56 | 3NT | ♣J | +2 | -2 |
| -2.8 | Round of 32 | CHINA OPEN 2 | 56 | 6NT | ♦3 | +1 | -11 |
| -2.8 | Round of 16 | ALLFREY | 47 | 3♣ | ♥10 | -1 | -4 |
| -3.2 | Round of 64 | VICKY | 48 | 4NT | ♠6 | +2 | +12 |
| -3.3 | Round of 16 | ALLFREY | 18 | 3♥ | ♥4 | +1 | -2 |
| -3.4 | Round of 64 | VICKY | 51 | 4♠ | ♦3 | = | -3 |
| -3.5 | Round of 16 | ALLFREY | 50 | 5♣ | ♥6 | +2 | +10 |
| -3.8 | Round of 16 | ALLFREY | 3 | 3NT | ♦8 | = | -10 |
| -4.2 | Round of 16 | ALLFREY | 17 | 3♣ | ♥J | +1 | -1 |
| -4.3 | Round of 16 | ALLFREY | 54 | 3NT | ♦6 | = | -10 |
| -4.5 | Round of 16 | ALLFREY | 2 | 3NT | ♥6 | +1 | -7 |
| -5.0 | Round of 32 | CHINA OPEN 2 | 40 | 6♠ | ♥Q | = | +0 |
| -5.3 | Round of 64 | VICKY | 31 | 2♥ | ♠5 | -3 | -10 |
| -5.4 | Round of 16 | ALLFREY | 9 | 2NT | ♦7 | = | -5 |
| -5.6 | Round of 64 | VICKY | 23 | 5♦ | ♥7 | = | +2 |
| -5.8 | Round of 32 | CHINA OPEN 2 | 20 | 4♠ | ♦Q | -1 | -6 |
| -5.9 | Round of 16 | ALLFREY | 29 | 6♥ | ♠A | -1 | -4 |
| -6.0 | Round of 32 | CHINA OPEN 2 | 53 | 3NT | ♥3 | -3 | -10 |
| -7.5 | Round of 16 | ALLFREY | 14 | 5♣ | ♥A | -1 | -10 |
| -7.9 | Round of 64 | VICKY | 7 | 3NT | ♥5 | = | +0 |
| -7.9 | Round of 16 | ALLFREY | 36 | 5♣x | ♣5 | -1 | -5 |
| -8.0 | Round of 32 | CHINA OPEN 2 | 44 | 4♥x | ♠Q | +2 | -8 |
| -8.4 | Round of 64 | VICKY | 29 | 5♥x | ♣7 | -4 | -9 |
| -8.7 | Round of 32 | CHINA OPEN 2 | 37 | 5♣x | ♥3 | -1 | -8 |
| -11.6 | Round of 32 | CHINA OPEN 2 | 51 | 4♥ | ♥K | +1 | -13 |