KOWALSKI Apolinary · VITAS
vs par split: bidding +0.79 · play +0.32
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.18/bd
Card play — on target: opening leads 84.6% #43 of 187 · declarer play 76.9% #77 of 187 · defence 89.3% #64 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 33.3% (3) | 100.0% (10) |
| Declarer play | 100.0% (2) | 72.7% (11) |
| Defence | 75.0% (8) | 95.0% (20) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (3) · ♦ 100.0% (2) · ♣ 75.0% (4)
vs par by strain: NT +1.08 (12) · a suit +1.11 (44)
vs par by level: part-score +1.31 (16) · game +1.57 (37) · slam -5.67 (3)
By role: declaring -0.65/bd (-1.00 vs par · 28) · defending +1.09/bd (+3.21 vs par · 28)
By vulnerability: vulnerable +0.15/bd (+0.64 vs par · 28) · not vulnerable +0.29/bd (+1.57 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Miszewska | T.Asbi – L.Bojoh | Open | 7 | -11.4 | -1.63 | +0.29 |
| Round 2 | E.Miszewska | C.Loo – H.Wu | Open | 7 | +7.3 | +1.04 | +2.71 |
| Round 3 | E.Miszewska | S.He – J.Wen | Open | 7 | +9.4 | +1.34 | +4.71 |
| Round 4 | E.Miszewska | C.Willenken – D.Berkowitz | Closed | 7 | +8.1 | +1.16 | -0.14 |
| Round 5 | E.Miszewska | G.Hampson – J.Meyers | Open | 7 | -2.4 | -0.34 | -2.43 |
| Round 6 | E.Miszewska | J.Mcallister – M.Zur-Campanile | Open | 7 | +3.8 | +0.54 | +2.71 |
| Round 7 | E.Miszewska | C.Henner – S.Garner | Open | 7 | -8.5 | -1.21 | -1.14 |
| Round 8 | E.Miszewska | X.Jing – X.Li | Closed | 7 | +6.0 | +0.86 | +2.14 |
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 |
|---|---|---|---|---|---|---|---|
| +10.0 | Round 4 | WILLENKEN | 25 | 4♥ | ♠A | = | +10 |
| +8.7 | Round 1 | PERTAMINA EP RED | 7 | 4♠ | ♥3 | = | +10 |
| +7.5 | Round 7 | CHIME | 18 | 2♠ | ♦3 | +3 | +10 |
| +6.4 | Round 8 | HEILONGJIANG TEAM | 25 | 6♥ | ♠Q | -1 | +11 |
| +6.0 | Round 6 | MCALLISTER | 8 | 3NT | ♠A | -4 | +8 |
| +6.0 | Round 6 | MCALLISTER | 11 | 3NT | ♠8 | -1 | +11 |
| +4.5 | Round 3 | SHENZHEN PINGAN | 17 | 4♥ | ♦2 | -2 | +6 |
| +4.2 | Round 5 | DIAMOND | 2 | 3♣ | ♣8 | -1 | +6 |
| +4.2 | Round 8 | HEILONGJIANG TEAM | 26 | 3♥x | ♠3 | -1 | +9 |
| +3.9 | Round 7 | CHIME | 16 | 3♠ | ♣4 | = | +7 |
| +3.5 | Round 4 | WILLENKEN | 27 | 3♠ | ♦A | = | +1 |
| +3.4 | Round 3 | SHENZHEN PINGAN | 15 | 4♠ | ♦Q | -1 | +6 |
| +3.2 | Round 2 | SINGAPORE MIXED | 9 | 2NT | ♠K | +1 | -1 |
| +2.9 | Round 3 | SHENZHEN PINGAN | 18 | 3NT | ♣10 | -1 | +13 |
| +2.7 | Round 2 | SINGAPORE MIXED | 8 | 4♠x | ♥Q | -2 | +5 |
| +2.6 | Round 2 | SINGAPORE MIXED | 12 | 4♥ | ♥6 | +1 | +1 |
| +2.6 | Round 5 | DIAMOND | 6 | 5♦x | ♣J | -2 | +0 |
| +2.6 | Round 6 | MCALLISTER | 13 | 5♥x | ♠5 | -1 | +0 |
| +2.1 | Round 3 | SHENZHEN PINGAN | 21 | 4♥ | ♣9 | +1 | +0 |
| +2.0 | Round 2 | SINGAPORE MIXED | 10 | 4♠ | ♦2 | +1 | +0 |
| +1.9 | Round 4 | WILLENKEN | 26 | 5♣ | ♥A | +1 | -5 |
| +1.8 | Round 4 | WILLENKEN | 24 | 3♦ | ♥10 | -2 | +0 |
| +1.6 | Round 5 | DIAMOND | 4 | 4♠ | ♦5 | +1 | +0 |
| +1.4 | Round 5 | DIAMOND | 3 | 2♠ | ♥6 | +2 | +1 |
| +1.4 | Round 7 | CHIME | 17 | 4♠ | ♦9 | +1 | +0 |
| +1.1 | Round 6 | MCALLISTER | 10 | 4♠ | ♦6 | = | +0 |
| +0.9 | Round 1 | PERTAMINA EP RED | 4 | 2♠ | ♥4 | = | -1 |
| +0.8 | Round 8 | HEILONGJIANG TEAM | 27 | 4♠ | ♦10 | = | +0 |
| +0.7 | Round 8 | HEILONGJIANG TEAM | 23 | 3NT | ♠10 | +1 | -1 |
| +0.4 | Round 6 | MCALLISTER | 14 | 4♥ | ♦9 | -1 | +3 |
| -0.3 | Round 2 | SINGAPORE MIXED | 13 | 4♠ | ♣2 | +1 | +0 |
| -0.4 | Round 3 | SHENZHEN PINGAN | 19 | 3NT | ♣4 | = | +0 |
| -0.4 | Round 8 | HEILONGJIANG TEAM | 22 | 4♥ | ♥2 | = | +1 |
| -0.5 | Round 6 | MCALLISTER | 12 | 1NT | ♣2 | +3 | -6 |
| -0.6 | Round 2 | SINGAPORE MIXED | 14 | 4♠ | ♣J | +3 | +14 |
| -0.6 | Round 3 | SHENZHEN PINGAN | 20 | 4♠ | ♦Q | = | +1 |
| -0.6 | Round 4 | WILLENKEN | 22 | 4♠ | ♦A | +1 | +0 |
| -1.1 | Round 1 | PERTAMINA EP RED | 6 | 4♥ | ♣K | +1 | +0 |
| -1.2 | Round 4 | WILLENKEN | 23 | 3NT | ♠9 | = | +0 |
| -1.7 | Round 5 | DIAMOND | 5 | 1NT | ♠4 | -2 | +0 |
| -1.7 | Round 7 | CHIME | 15 | 2NT | ♣Q | +1 | -6 |
| -2.0 | Round 1 | PERTAMINA EP RED | 5 | 1NT | ♠9 | -1 | +2 |
| -2.3 | Round 2 | SINGAPORE MIXED | 11 | 4♥ | ♦A | +1 | +0 |
| -2.5 | Round 3 | SHENZHEN PINGAN | 16 | 3♥ | ♣6 | = | +7 |
| -2.7 | Round 1 | PERTAMINA EP RED | 1 | 5♦ | ♠A | = | +1 |
| -2.7 | Round 8 | HEILONGJIANG TEAM | 28 | 4♥ | ♣Q | -1 | -5 |
| -3.0 | Round 7 | CHIME | 21 | 3♠ | ♥A | = | -1 |
| -3.0 | Round 8 | HEILONGJIANG TEAM | 24 | 4♥ | ♠Q | = | +0 |
| -3.3 | Round 5 | DIAMOND | 1 | 5♥ | ♠10 | -3 | -7 |
| -4.3 | Round 1 | PERTAMINA EP RED | 3 | 4♠ | ♣10 | -1 | +1 |
| -4.7 | Round 7 | CHIME | 19 | 4♠ | ♥Q | -1 | -5 |
| -7.2 | Round 5 | DIAMOND | 7 | 6♠ | ♦Q | -1 | -17 |
| -7.3 | Round 4 | WILLENKEN | 28 | 1NTx | ♣3 | +1 | -7 |
| -10.9 | Round 1 | PERTAMINA EP RED | 2 | 6♥ | ♠K | -3 | -11 |
| -11.8 | Round 6 | MCALLISTER | 9 | 4♠ | ♥6 | -3 | +3 |
| -11.9 | Round 7 | CHIME | 20 | 5♣ | ♦A | -1 | -13 |