KALITA Jacek · ZIMMERMANN
vs par split: bidding +0.71 · play +0.54
Strength of schedule: opponents averaged +0.00/bd (an average draw) → opponent-adjusted +0.87/bd
Card play — on target: opening leads 87.5% #31 of 107 · declarer play 76.5% #52 of 107 · defence 97.1% #1 of 107
Bidding activity — not a pass: 48.8% #23 of 107 (102/209)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 94.1% (17) |
| Declarer play | 88.9% (9) | 62.5% (8) |
| Defence | 100.0% (10) | 95.8% (24) |
Opening leads by suit led: ♠ 100.0% (8) · ♥ 80.0% (10) · ♦ 66.7% (3) · ♣ 100.0% (3)
vs par by strain: NT +0.96 (25) · a suit +1.42 (45)
vs par by level: part-score +2.00 (25) · game +1.50 (36) · slam -1.78 (9)
By role: declaring +1.07/bd (-0.89 vs par · 36) · defending +0.67/bd (+3.53 vs par · 34)
By vulnerability: vulnerable +0.87/bd (+0.57 vs par · 35) · not vulnerable +0.87/bd (+1.94 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | M.Klukowski | D.Msika – I.Moskovitz | Open | 14 | +10.1 | +0.72 | +3.86 |
| Round 4 | M.Klukowski | J.Wooldridge – D.Grainger | Open | 14 | +12.0 | +0.86 | +2.93 |
| Round 6 | M.Klukowski | D.Rosenberg – M.Rosenberg | Closed | 14 | +11.8 | +0.84 | -0.07 |
| Round 7 | M.Klukowski | B.Chmurski – P.Tuczynski | Closed | 14 | +2.9 | +0.21 | -2.07 |
| Round 8 | M.Klukowski | A.Grossack – L.Lebowitz | Open | 14 | +24.2 | +1.73 | +1.64 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 3 | BIANCHI | 13 | 4♥ | ♦6 | = | +1 |
| +11.0 | Round 8 | LEBOWITZ | 23 | 3NT | ♥Q | = | +10 |
| +10.3 | Round 8 | LEBOWITZ | 21 | 6♠ | ♦K | -1 | +9 |
| +8.7 | Round 4 | SIMSON | 27 | 2♠x | ♠T | = | +8 |
| +8.3 | Round 8 | LEBOWITZ | 19 | 3NT | ♥2 | -1 | +14 |
| +8.2 | Round 4 | SIMSON | 18 | 4♥x | ♦A | -3 | +9 |
| +6.8 | Round 8 | LEBOWITZ | 25 | 3NT | ♦4 | +1 | +11 |
| +6.6 | Round 6 | ROSENBERG | 28 | 6♥ | ♦5 | = | +0 |
| +6.4 | Round 4 | SIMSON | 21 | 3NT | ♣3 | = | +0 |
| +4.7 | Round 8 | LEBOWITZ | 22 | 1NTx | ♥T | -1 | +5 |
| +4.2 | Round 4 | SIMSON | 28 | 3NT | ♥3 | -1 | +5 |
| +4.2 | Round 7 | SV BRIDGE CLUB | 4 | 3♣ | ♠K | +1 | +0 |
| +3.7 | Round 3 | BIANCHI | 9 | 3♥ | ♦4 | = | +6 |
| +3.5 | Round 3 | BIANCHI | 8 | 4♦ | ♠A | +1 | +6 |
| +3.4 | Round 3 | BIANCHI | 11 | 4♠ | ♥A | +2 | +11 |
| +3.2 | Round 6 | ROSENBERG | 20 | 6♥ | ♥3 | = | -13 |
| +2.9 | Round 7 | SV BRIDGE CLUB | 10 | 4♣ | ♥A | -1 | +5 |
| +2.4 | Round 7 | SV BRIDGE CLUB | 1 | 4♥ | ♠A | = | +0 |
| +2.4 | Round 7 | SV BRIDGE CLUB | 12 | 2♠ | ♥3 | -1 | +5 |
| +2.3 | Round 6 | ROSENBERG | 21 | 3♣ | ♦3 | = | +0 |
| +2.1 | Round 3 | BIANCHI | 3 | 2NT | ♥3 | -1 | +5 |
| +2.1 | Round 6 | ROSENBERG | 18 | 6NT | ♠4 | +1 | -11 |
| +2.0 | Round 7 | SV BRIDGE CLUB | 11 | 1NT | ♠6 | -1 | -2 |
| +1.7 | Round 3 | BIANCHI | 12 | 3♥ | ♠A | -1 | +0 |
| +1.6 | Round 4 | SIMSON | 20 | 3NTx | ♥2 | -1 | +8 |
| +1.6 | Round 6 | ROSENBERG | 16 | 3NT | ♥3 | +2 | +1 |
| +1.6 | Round 6 | ROSENBERG | 23 | 4♥ | ♣3 | +1 | +0 |
| +1.5 | Round 6 | ROSENBERG | 25 | 3NT | ♦3 | +1 | +11 |
| +1.5 | Round 7 | SV BRIDGE CLUB | 3 | 6♣ | ♥7 | +1 | -13 |
| +1.4 | Round 3 | BIANCHI | 1 | 4♥ | ♠3 | = | +0 |
| +1.4 | Round 7 | SV BRIDGE CLUB | 9 | 3♣ | ♥2 | +1 | +7 |
| +1.2 | Round 6 | ROSENBERG | 26 | 2♥ | ♦Q | +1 | -10 |
| +0.6 | Round 6 | ROSENBERG | 17 | 4♠ | ♦4 | = | +8 |
| +0.6 | Round 8 | LEBOWITZ | 28 | 3NT | ♦A | -1 | +2 |
| +0.3 | Round 3 | BIANCHI | 7 | 4♠ | ♦Q | = | +13 |
| +0.3 | Round 4 | SIMSON | 25 | 3NT | ♣3 | +1 | +1 |
| +0.2 | Round 3 | BIANCHI | 6 | 4♠ | ♦2 | -1 | +0 |
| +0.2 | Round 4 | SIMSON | 17 | 3NT | ♦4 | +1 | +0 |
| +0.1 | Round 7 | SV BRIDGE CLUB | 14 | 3NT | ♥Q | = | +0 |
| -0.0 | Round 3 | BIANCHI | 5 | 3♦ | ♠9 | = | +0 |
| -0.0 | Round 8 | LEBOWITZ | 27 | 3NT | ♠4 | +2 | -11 |
| -0.3 | Round 7 | SV BRIDGE CLUB | 7 | 3NT | ♠6 | = | -1 |
| -0.4 | Round 4 | SIMSON | 19 | 3♦ | ♥K | -1 | -6 |
| -0.4 | Round 6 | ROSENBERG | 24 | 3♣ | ♠K | +1 | +7 |
| -0.6 | Round 7 | SV BRIDGE CLUB | 6 | 1NT | ♠9 | = | +0 |
| -0.7 | Round 3 | BIANCHI | 4 | 3NT | ♠J | = | +0 |
| -0.7 | Round 4 | SIMSON | 24 | 3♦ | ♥3 | -2 | +7 |
| -0.8 | Round 8 | LEBOWITZ | 15 | 2♠ | ♥Q | -1 | +2 |
| -0.9 | Round 7 | SV BRIDGE CLUB | 5 | 4♥ | ♣3 | +1 | +0 |
| -0.9 | Round 8 | LEBOWITZ | 16 | 3NT | ♣5 | = | +0 |
| -1.1 | Round 3 | BIANCHI | 14 | 3♠ | ♦A | = | +0 |
| -1.2 | Round 6 | ROSENBERG | 27 | 2♥ | ♦2 | +1 | +0 |
| -1.3 | Round 8 | LEBOWITZ | 17 | 6♣ | ♥4 | = | +0 |
| -1.4 | Round 4 | SIMSON | 26 | 6♥ | ♠7 | = | +0 |
| -1.7 | Round 4 | SIMSON | 16 | 3♠ | ♥K | +1 | -1 |
| -1.7 | Round 6 | ROSENBERG | 22 | 3♠ | ♥T | -1 | +1 |
| -2.1 | Round 8 | LEBOWITZ | 26 | 4♥ | ♦K | = | +0 |
| -2.4 | Round 7 | SV BRIDGE CLUB | 8 | 4♠ | ♣J | -2 | -5 |
| -2.4 | Round 8 | LEBOWITZ | 24 | 3NT | ♠6 | -2 | +0 |
| -2.5 | Round 6 | ROSENBERG | 19 | 2NT | ♦3 | -1 | -5 |
| -2.7 | Round 4 | SIMSON | 23 | 4♥ | ♠7 | = | -3 |
| -3.1 | Round 6 | ROSENBERG | 15 | 2♦ | ♣K | +3 | +10 |
| -3.7 | Round 7 | SV BRIDGE CLUB | 2 | 4♠x | ♥6 | -1 | -11 |
| -3.8 | Round 4 | SIMSON | 15 | 4♠ | ♦2 | +2 | +13 |
| -4.7 | Round 8 | LEBOWITZ | 18 | 3NT | ♣J | -3 | -6 |
| -5.3 | Round 3 | BIANCHI | 10 | 4♠ | ♥5 | = | +0 |
| -5.3 | Round 8 | LEBOWITZ | 20 | 3NT | ♣Q | -2 | -13 |
| -6.1 | Round 7 | SV BRIDGE CLUB | 13 | 4♥ | ♣3 | -3 | -14 |
| -6.9 | Round 4 | SIMSON | 22 | 6♠ | ♥6 | = | +0 |
| -10.2 | Round 3 | BIANCHI | 2 | 7♣x | ♠A | -6 | +12 |