KALITA Jacek · ZAWADA
vs par split: bidding +0.52 · play +0.15
Strength of schedule: opponents averaged +0.46/bd (a tough draw) → opponent-adjusted +0.97/bd
Card play — on target: opening leads 66.7% #229 of 310 · declarer play 70.0% #206 of 310 · defence 91.7% #70 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 66.7% (3) |
| Declarer play | 50.0% (2) | 75.0% (8) |
| Defence | 66.7% (3) | 95.2% (21) |
Opening leads by suit led: ♠ 0.0% (1) · ♦ 100.0% (1) · ♣ 100.0% (1)
vs par by strain: NT -0.11 (9) · a suit +0.85 (39)
vs par by level: part-score +2.20 (25) · game -1.89 (18) · slam +2.20 (5)
By role: declaring +0.85/bd (-0.71 vs par · 24) · defending +0.19/bd (+1.84 vs par · 25)
By vulnerability: vulnerable +0.86/bd (+1.00 vs par · 23) · not vulnerable +0.20/bd (+0.23 vs par · 26)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Nowosadzki | N.Eber – C.Bosenberg | Open | 7 | +13.9 | +1.99 | +1.86 |
| Round 2 | M.Nowosadzki | R.Levin – S.Weinstein | Open | 7 | +5.3 | +0.76 | +3.43 |
| Round 3 | M.Nowosadzki | B.Zhang – X.Li | Closed | 7 | +2.2 | +0.31 | +0.29 |
| Round 5 | M.Nowosadzki | V.Demuy – J.Kranyak | Open | 7 | -2.8 | -0.40 | -1.57 |
| Round 6 | M.Nowosadzki | G.Duboin – Z.Mahmood | Open | 7 | +6.8 | +0.97 | +0.43 |
| Round 7 | M.Nowosadzki | R.Chan – S.Huang | Closed | 7 | +12.7 | +1.81 | +1.71 |
| Round 8 | M.Nowosadzki | E.Greco – G.Hampson | Open | 7 | -13.1 | -1.87 | -2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +12.7 | Round 7 | JILINDINGYUAN | 18 | 6♦ | ♠A | -1 | +17 |
| +12.2 | Round 2 | NICKELL | 10 | 2♠x | ♣A | = | +15 |
| +8.5 | Round 1 | SOUTH AFRICA | 6 | 3NT | ♠A | +1 | +1 |
| +7.0 | Round 6 | LAVAZZA | 9 | 6♣x | ♥2 | -2 | +5 |
| +6.5 | Round 3 | CHINA OPN(B) | 21 | 2♦ | ♣3 | = | +12 |
| +5.5 | Round 5 | LEBRON | 2 | 3♥ | ♥3 | = | +7 |
| +4.8 | Round 1 | SOUTH AFRICA | 4 | 1NT | ♣A | = | +12 |
| +4.4 | Round 2 | NICKELL | 13 | 4♠ | ♥5 | +3 | +17 |
| +3.9 | Round 2 | NICKELL | 8 | 1NT | ♠3 | -1 | +5 |
| +3.1 | Round 5 | LEBRON | 7 | 6♥ | ♠A | = | +0 |
| +2.7 | Round 6 | LAVAZZA | 13 | 2♠ | ♦Q | +1 | +1 |
| +2.7 | Round 7 | JILINDINGYUAN | 15 | 4♠ | ♥2 | -1 | +12 |
| +2.6 | Round 1 | SOUTH AFRICA | 5 | 2♠ | ♠7 | -2 | +2 |
| +2.6 | Round 7 | JILINDINGYUAN | 21 | 6♠ | ♦6 | = | +0 |
| +2.5 | Round 8 | DIAMOND | 27 | 4♠ | ♣5 | = | +0 |
| +2.3 | Round 3 | CHINA OPN(B) | 16 | 1NT | ♠3 | = | +8 |
| +2.2 | Round 6 | LAVAZZA | 8 | 3♦ | ♠A | +1 | +1 |
| +1.9 | Round 1 | SOUTH AFRICA | 7 | 4♥ | ♦6 | -1 | -1 |
| +1.8 | Round 6 | LAVAZZA | 11 | 3♣ | ♣2 | = | +0 |
| +1.7 | Round 1 | SOUTH AFRICA | 2 | 3♥ | ♣8 | +1 | +10 |
| +1.7 | Round 1 | SOUTH AFRICA | 3 | 3♠ | ♣K | -2 | -1 |
| +1.0 | Round 5 | LEBRON | 1 | 4♥ | ♣2 | +1 | +0 |
| +1.0 | Round 5 | LEBRON | 6 | 6NT | ♦2 | = | -11 |
| +0.9 | Round 7 | JILINDINGYUAN | 19 | 2♠ | ♠5 | -2 | -1 |
| +0.7 | Round 8 | DIAMOND | 25 | 3♥ | ♣10 | = | +0 |
| +0.3 | Round 3 | CHINA OPN(B) | 15 | 4♥ | ♠10 | +2 | -11 |
| -0.2 | Round 6 | LAVAZZA | 12 | 5♥ | ♣9 | = | +0 |
| -0.8 | Round 3 | CHINA OPN(B) | 17 | 3♠ | ♠2 | = | +4 |
| -0.9 | Round 7 | JILINDINGYUAN | 20 | Pass | -3 | ||
| -1.2 | Round 2 | NICKELL | 11 | 2♠ | ♦5 | +1 | -1 |
| -1.3 | Round 3 | CHINA OPN(B) | 20 | 2NT | ♦5 | +1 | +1 |
| -1.5 | Round 6 | LAVAZZA | 10 | 3♦ | ♦2 | +1 | +0 |
| -2.0 | Round 8 | DIAMOND | 23 | 2♣ | ♠K | +1 | +0 |
| -2.1 | Round 5 | LEBRON | 4 | 4♠ | ♣2 | -1 | -6 |
| -2.1 | Round 8 | DIAMOND | 22 | 3♥ | ♠J | -2 | +1 |
| -2.3 | Round 3 | CHINA OPN(B) | 19 | 4♠ | ♦K | = | -6 |
| -2.4 | Round 7 | JILINDINGYUAN | 17 | 4♥ | ♠8 | -1 | -8 |
| -2.4 | Round 8 | DIAMOND | 24 | 2♠ | ♣2 | +1 | +0 |
| -2.5 | Round 3 | CHINA OPN(B) | 18 | 3♥ | ♦2 | = | -6 |
| -2.9 | Round 7 | JILINDINGYUAN | 16 | 5♠ | ♣10 | -1 | -5 |
| -3.2 | Round 2 | NICKELL | 14 | 2♠ | ♥2 | +1 | -1 |
| -3.2 | Round 5 | LEBRON | 3 | 3NT | ♥3 | +1 | -1 |
| -3.4 | Round 8 | DIAMOND | 26 | 3♦ | ♠3 | +2 | -10 |
| -4.4 | Round 2 | NICKELL | 9 | 3NT | ♣10 | -1 | -6 |
| -5.2 | Round 6 | LAVAZZA | 14 | 3♠ | ♦2 | -1 | -4 |
| -6.4 | Round 2 | NICKELL | 12 | 5♣x | ♠K | -2 | -5 |
| -6.4 | Round 8 | DIAMOND | 28 | 5♥x | ♠3 | -2 | -5 |
| -7.3 | Round 1 | SOUTH AFRICA | 1 | 3NT | ♦10 | -1 | -10 |
| -8.1 | Round 5 | LEBRON | 5 | 4♠ | ♠3 | = | +0 |