VOZABAL David · CZEST
313rank
+3.2Butler · 112 bds
+0.03per board
±5.0swing
-0.40vs par /bd · #422/599
-0.02adjusted /bd
by round
vs par split: bidding -0.55 · play +0.15
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.02/bd
Card play — on target: opening leads 82.9% #186 of 599 · declarer play 75.0% #263 of 599 · defence 80.3% #501 of 599
Bidding activity — not a pass: 43.6% #295 of 599 (137/314)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 77.8% (9) | 84.6% (26) |
| Declarer play | 100.0% (5) | 66.7% (15) |
| Defence | 70.6% (17) | 84.1% (44) |
Opening leads by suit led: ♠ 57.1% (7) · ♥ 92.9% (14) · ♦ 88.9% (9) · ♣ 80.0% (5)
vs par by strain: NT -0.56 (32) · a suit -0.34 (80)
vs par by level: part-score -0.47 (43) · game -0.53 (61) · slam +0.88 (8)
By role: declaring -0.09/bd (-2.90 vs par · 51) · defending +0.13/bd (+1.69 vs par · 61)
By vulnerability: vulnerable +0.29/bd (-1.27 vs par · 56) · not vulnerable -0.24/bd (+0.46 vs par · 56)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Naber | S.Thorisson – G.Skulason | Open | 14 | -2.3 | -0.16 | +0.07 |
| Round 2 | L.Naber | V.Kovachev – M.Haag | Open | 14 | -1.5 | -0.11 | +0.21 |
| Round 3 | L.Naber | C.Madsen – J.Mcallister | Open | 14 | -35.0 | -2.50 | -2.71 |
| Round 4 | L.Naber | B.Shaw – S.Dey | Open | 14 | +1.0 | +0.07 | +0.21 |
| Round 5 | L.Naber | M.Karpov – H.Linnamagi | Open | 14 | +8.0 | +0.57 | -0.50 |
| Round 6 | L.Naber | A.Maluish – A.Mill | Closed | 14 | +38.3 | +2.74 | +0.14 |
| Round 7 | L.Naber | P.Karlykov – P.Motuzko | Closed | 14 | +6.0 | +0.43 | -0.71 |
| Round 8 | L.Naber | P.Cappellini – A.Paone | Closed | 14 | -11.3 | -0.81 | +0.07 |
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 |
|---|---|---|---|---|---|---|---|
| +15.5 | Round 6 | MALUISH | 20 | 6♠ | ♣T | = | +13 |
| +10.5 | Round 5 | 1 OVER 2 | 4 | 6♠ | ♦5 | = | +8 |
| +9.7 | Round 4 | TEXAN ACES | 24 | 6♠ | ♦K | -1 | +14 |
| +9.7 | Round 7 | RAGLOT | 1 | 5♦x | ♥K | = | +4 |
| +8.7 | Round 6 | MALUISH | 28 | 3NT | ♥4 | +2 | -12 |
| +7.9 | Round 2 | VALIO | 23 | 3NT | ♥J | -4 | +11 |
| +7.5 | Round 4 | TEXAN ACES | 22 | 4♥ | ♣K | = | +10 |
| +7.0 | Round 2 | VALIO | 27 | 6♣ | ♦Q | = | -2 |
| +6.9 | Round 6 | MALUISH | 21 | 7♦ | ♠7 | = | -2 |
| +6.7 | Round 7 | RAGLOT | 3 | 4NT | ♠6 | -2 | +13 |
| +6.5 | Round 7 | RAGLOT | 9 | 2♦ | ♥Q | +3 | +10 |
| +6.0 | Round 8 | CAFIERO | 19 | 5♣x | ♠7 | -2 | +12 |
| +5.5 | Round 5 | 1 OVER 2 | 2 | 1NT | ♠3 | +1 | +6 |
| +5.1 | Round 7 | RAGLOT | 8 | 4♠ | ♣K | -2 | +6 |
| +5.0 | Round 1 | SFG | 13 | 3♥ | ♣A | = | +12 |
| +4.9 | Round 3 | 6 NO TRUMPERS | 9 | 4♦ | ♥A | -2 | +5 |
| +4.6 | Round 4 | TEXAN ACES | 16 | 3NT | ♠9 | -1 | +5 |
| +4.4 | Round 3 | 6 NO TRUMPERS | 11 | 3NT | ♥K | = | -1 |
| +4.4 | Round 8 | CAFIERO | 27 | 4♠ | ♦K | +3 | +14 |
| +4.3 | Round 7 | RAGLOT | 5 | 5♦ | ♣5 | = | +0 |
| +4.1 | Round 2 | VALIO | 19 | 3NT | ♦J | -1 | +5 |
| +4.1 | Round 5 | 1 OVER 2 | 1 | 4♥ | ♠9 | -2 | +0 |
| +4.1 | Round 5 | 1 OVER 2 | 10 | 2♠ | ♥4 | = | +0 |
| +3.9 | Round 1 | SFG | 6 | 3NT | ♥9 | -3 | +4 |
| +3.8 | Round 5 | 1 OVER 2 | 6 | 4♠ | ♦6 | -2 | +6 |
| +3.6 | Round 1 | SFG | 3 | 3♣ | ♦A | -2 | +2 |
| +3.6 | Round 1 | SFG | 4 | 3NT | ♠3 | -3 | +4 |
| +3.5 | Round 2 | VALIO | 25 | 3♦ | ♣3 | -2 | +0 |
| +3.3 | Round 6 | MALUISH | 18 | 1NT | ♦5 | +1 | +1 |
| +3.3 | Round 6 | MALUISH | 23 | 4♠ | ♣7 | = | +0 |
| +3.1 | Round 6 | MALUISH | 17 | 3♥ | ♣A | -3 | +1 |
| +3.1 | Round 7 | RAGLOT | 6 | 4♠ | ♥K | +2 | +9 |
| +3.1 | Round 8 | CAFIERO | 15 | 5♥ | ♠J | +1 | +11 |
| +3.0 | Round 2 | VALIO | 17 | 3NT | ♦8 | +1 | +4 |
| +2.8 | Round 1 | SFG | 12 | 3♠ | ♣4 | -2 | +0 |
| +2.7 | Round 6 | MALUISH | 22 | 6♠x | ♥A | -5 | +7 |
| +2.3 | Round 3 | 6 NO TRUMPERS | 10 | 2♣ | ♠5 | -2 | -9 |
| +2.3 | Round 5 | 1 OVER 2 | 14 | 4♠ | ♥A | -1 | -4 |
| +2.3 | Round 6 | MALUISH | 24 | 3♥ | ♣5 | -1 | +4 |
| +2.3 | Round 7 | RAGLOT | 13 | 3NT | ♥6 | +2 | +1 |
| +2.3 | Round 8 | CAFIERO | 26 | 3♣ | ♦Q | +1 | +0 |
| +2.2 | Round 2 | VALIO | 24 | 4♥ | ♦2 | +1 | +0 |
| +2.1 | Round 3 | 6 NO TRUMPERS | 3 | 4♠ | ♠2 | = | +3 |
| +2.1 | Round 6 | MALUISH | 26 | 4♠x | ♥K | -1 | -10 |
| +1.8 | Round 5 | 1 OVER 2 | 3 | 1NT | ♠7 | = | +0 |
| +1.6 | Round 1 | SFG | 1 | 1♠ | ♥2 | = | -1 |
| +1.6 | Round 4 | TEXAN ACES | 27 | 3♦ | ♦4 | -3 | +1 |
| +1.2 | Round 8 | CAFIERO | 21 | 3♥ | ♠7 | = | +7 |
| +1.0 | Round 4 | TEXAN ACES | 19 | 1NT | ♣T | +2 | +1 |
| +0.6 | Round 4 | TEXAN ACES | 15 | 4♥ | ♠T | +1 | +1 |
| +0.5 | Round 6 | MALUISH | 16 | 5♦ | ♠A | -1 | +2 |
| +0.5 | Round 8 | CAFIERO | 22 | 1NT | ♦4 | = | +9 |
| +0.4 | Round 3 | 6 NO TRUMPERS | 2 | 3NT | ♦J | +2 | -10 |
| +0.3 | Round 2 | VALIO | 22 | 2NT | ♥7 | -1 | +4 |
| +0.3 | Round 4 | TEXAN ACES | 20 | 2♥ | ♠4 | +2 | +1 |
| +0.2 | Round 4 | TEXAN ACES | 18 | 3NT | ♠3 | +2 | +0 |
| +0.2 | Round 4 | TEXAN ACES | 21 | 3NT | ♠3 | = | +1 |
| +0.2 | Round 8 | CAFIERO | 20 | 3NT | ♠4 | +4 | -12 |
| +0.0 | Round 6 | MALUISH | 15 | 3NT | ♣4 | +1 | +0 |
| -0.5 | Round 3 | 6 NO TRUMPERS | 4 | 4♠ | ♦A | +1 | +13 |
| -0.6 | Round 5 | 1 OVER 2 | 8 | 1NT | ♦2 | +2 | -1 |
| -0.7 | Round 6 | MALUISH | 25 | 3♣ | ♥A | +2 | +8 |
| -0.8 | Round 1 | SFG | 2 | 4♠ | ♥7 | +2 | -1 |
| -1.1 | Round 4 | TEXAN ACES | 25 | 2♠ | ♥A | +1 | +0 |
| -1.1 | Round 8 | CAFIERO | 28 | 2♠ | ♥J | +1 | -1 |
| -1.2 | Round 1 | SFG | 5 | 3♠ | ♠2 | = | -6 |
| -1.2 | Round 1 | SFG | 8 | 2♦ | ♠8 | +1 | +0 |
| -1.2 | Round 1 | SFG | 14 | 3♥ | ♦T | -1 | +8 |
| -1.2 | Round 3 | 6 NO TRUMPERS | 1 | 5♦ | ♥K | -1 | -2 |
| -1.4 | Round 7 | RAGLOT | 11 | 4♠ | ♠Q | -1 | -5 |
| -1.5 | Round 3 | 6 NO TRUMPERS | 6 | 5♦ | ♥6 | = | +0 |
| -1.5 | Round 5 | 1 OVER 2 | 9 | 2♠ | ♦T | = | -5 |
| -1.7 | Round 5 | 1 OVER 2 | 12 | 5♦ | ♣K | = | +2 |
| -1.7 | Round 8 | CAFIERO | 23 | 3NT | ♠5 | +2 | +0 |
| -2.0 | Round 2 | VALIO | 26 | 4♠ | ♥3 | +1 | +0 |
| -2.0 | Round 7 | RAGLOT | 4 | 2♥ | ♦6 | +2 | -1 |
| -2.5 | Round 1 | SFG | 9 | 3♥ | ♥6 | = | +0 |
| -2.5 | Round 5 | 1 OVER 2 | 11 | 3NT | ♥6 | = | +0 |
| -2.7 | Round 2 | VALIO | 21 | 3NT | ♦5 | = | -3 |
| -2.8 | Round 3 | 6 NO TRUMPERS | 7 | 4♠ | ♣A | = | +1 |
| -2.8 | Round 8 | CAFIERO | 24 | 4♠ | ♥7 | +2 | -11 |
| -2.8 | Round 8 | CAFIERO | 25 | 5♦ | ♠K | = | +0 |
| -3.0 | Round 1 | SFG | 11 | 3♥x | ♣J | -1 | -5 |
| -3.1 | Round 2 | VALIO | 20 | 4♠ | ♥T | = | +1 |
| -3.4 | Round 7 | RAGLOT | 14 | 4♣x | ♥2 | -1 | +0 |
| -3.6 | Round 3 | 6 NO TRUMPERS | 8 | 3NT | ♠7 | = | +0 |
| -3.6 | Round 6 | MALUISH | 27 | 1NT | ♥A | = | +0 |
| -3.7 | Round 4 | TEXAN ACES | 28 | 2♥x | ♠3 | -4 | -5 |
| -3.8 | Round 5 | 1 OVER 2 | 5 | 3♠ | ♥Q | = | -1 |
| -4.0 | Round 7 | RAGLOT | 12 | 2♥ | ♣6 | +1 | -12 |
| -4.2 | Round 1 | SFG | 7 | 4♠ | ♥T | +1 | -10 |
| -4.4 | Round 4 | TEXAN ACES | 26 | 3♦ | ♣7 | = | -6 |
| -4.4 | Round 8 | CAFIERO | 18 | 3NT | ♣9 | -1 | -6 |
| -4.8 | Round 2 | VALIO | 18 | 4♠x | ♦9 | -1 | -11 |
| -4.9 | Round 2 | VALIO | 28 | 4♥ | ♦J | -1 | -10 |
| -5.0 | Round 7 | RAGLOT | 7 | 4♥ | ♦4 | +2 | -13 |
| -5.8 | Round 6 | MALUISH | 19 | 3NT | ♥7 | -1 | -10 |
| -6.0 | Round 2 | VALIO | 15 | 4♠ | ♥J | = | +17 |
| -6.0 | Round 2 | VALIO | 16 | 3♠x | ♣4 | -1 | -13 |
| -6.2 | Round 5 | 1 OVER 2 | 7 | 1NT | ♦5 | +1 | -6 |
| -6.4 | Round 4 | TEXAN ACES | 23 | 3♥ | ♣5 | +2 | -9 |
| -6.5 | Round 3 | 6 NO TRUMPERS | 14 | 4♠ | ♣K | -1 | -8 |
| -7.0 | Round 7 | RAGLOT | 10 | 1♣xx | ♠A | -1 | -7 |
| -7.3 | Round 8 | CAFIERO | 17 | 5♠ | ♣J | -1 | -11 |
| -7.8 | Round 5 | 1 OVER 2 | 13 | 2♠ | ♣K | = | -12 |
| -8.7 | Round 1 | SFG | 10 | 4♠ | ♥J | -1 | -6 |
| -8.9 | Round 3 | 6 NO TRUMPERS | 5 | 4♠ | ♣6 | -1 | -10 |
| -8.9 | Round 7 | RAGLOT | 2 | 3NT | ♠A | -1 | -15 |
| -8.9 | Round 8 | CAFIERO | 16 | 6♣ | ♠A | = | -11 |
| -9.1 | Round 4 | TEXAN ACES | 17 | 3NT | ♣J | -2 | -11 |
| -9.6 | Round 3 | 6 NO TRUMPERS | 12 | 4♥ | ♣3 | = | +0 |
| -14.5 | Round 3 | 6 NO TRUMPERS | 13 | 6♥ | ♦K | -2 | -20 |