BERKOWITZ David · GOODMAN
vs par split: bidding +0.04 · play +0.26
Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted +0.45/bd
Card play — on target: opening leads 68.4% #539 of 675 · declarer play 79.2% #258 of 675 · defence 97.7% #9 of 675
Bidding activity — not a pass: 41.8% #419 of 675 (92/220)
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 75.0% (12) |
| Declarer play | 77.8% (9) | 80.0% (15) |
| Defence | 100.0% (14) | 96.7% (30) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 50.0% (2) · ♦ 66.7% (6) · ♣ 83.3% (6)
vs par by strain: NT +0.00 (27) · a suit +0.44 (57)
vs par by level: part-score +0.19 (26) · game +0.74 (51) · slam -2.57 (7)
By role: declaring +1.14/bd (-1.90 vs par · 40) · defending +0.06/bd (+2.29 vs par · 44)
By vulnerability: vulnerable +0.77/bd (+0.62 vs par · 42) · not vulnerable +0.38/bd (-0.02 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Meckstroth | J.Tomcani – M.Vodicka | Open | 14 | +6.2 | +0.44 | -2.86 |
| Round 3 | J.Meckstroth | Y.Chumak – E.Kupriianov | Closed | 14 | +12.1 | +0.86 | +1.29 |
| Round 4 | J.Meckstroth | A.Majcher – T.Winciorek | Closed | 14 | +19.3 | +1.38 | +2.43 |
| Round 6 | J.Meckstroth | E.Ginossar – O.Reshef | Closed | 14 | +12.3 | +0.88 | -0.21 |
| Round 7 | J.Meckstroth | V.Kiljan – B.Nab | Closed | 14 | -8.6 | -0.61 | -0.86 |
| Round 8 | J.Meckstroth | O.Cernat – M.Grigoriu | Open | 14 | +7.0 | +0.50 | +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 |
|---|---|---|---|---|---|---|---|
| +13.3 | Round 6 | ALTSHULER | 16 | 6♣ | ♦K | = | +11 |
| +9.3 | Round 7 | TEAMNL OPEN | 2 | 6♦ | ♠A | = | +0 |
| +7.9 | Round 2 | CZECHOSLOVAKIA V2 | 20 | 4♥ | ♣4 | +1 | +0 |
| +7.8 | Round 6 | ALTSHULER | 17 | 6♠x | ♦Q | -3 | +5 |
| +7.5 | Round 2 | CZECHOSLOVAKIA V2 | 22 | 7♣ | ♣6 | = | -2 |
| +7.4 | Round 3 | JUSTJUMP | 6 | 4♠ | ♦K | = | +8 |
| +7.4 | Round 8 | CERCOL ROM | 26 | 3♦ | ♠A | +3 | +10 |
| +6.3 | Round 4 | GOVIT | 26 | 3NT | ♦4 | +1 | +1 |
| +4.9 | Round 4 | GOVIT | 17 | 3NT | ♠T | +4 | +2 |
| +4.7 | Round 4 | GOVIT | 21 | 2♠ | ♠9 | -2 | +3 |
| +4.6 | Round 4 | GOVIT | 20 | 3NT | ♣J | -1 | +6 |
| +4.4 | Round 3 | JUSTJUMP | 2 | 4♠ | ♥4 | -2 | +12 |
| +4.0 | Round 7 | TEAMNL OPEN | 6 | 2♠ | ♣Q | -1 | +5 |
| +3.9 | Round 8 | CERCOL ROM | 25 | 2♥ | ♣6 | -2 | +5 |
| +3.7 | Round 2 | CZECHOSLOVAKIA V2 | 21 | 4♥ | ♠3 | -1 | +5 |
| +3.5 | Round 3 | JUSTJUMP | 7 | 2♦ | ♣6 | -2 | +3 |
| +3.3 | Round 6 | ALTSHULER | 18 | 4♥ | ♣5 | +1 | -11 |
| +3.0 | Round 3 | JUSTJUMP | 13 | 3♦ | ♥J | +1 | +6 |
| +3.0 | Round 7 | TEAMNL OPEN | 9 | 1NT | ♣Q | = | -1 |
| +3.0 | Round 8 | CERCOL ROM | 27 | 5♣ | ♥K | -1 | +8 |
| +2.9 | Round 8 | CERCOL ROM | 19 | 5♦ | ♥6 | -1 | +5 |
| +2.5 | Round 4 | GOVIT | 24 | 4♠ | ♣T | -1 | +10 |
| +2.2 | Round 7 | TEAMNL OPEN | 8 | 3NT | ♣3 | -1 | +5 |
| +2.1 | Round 6 | ALTSHULER | 27 | 5♦ | ♥3 | +1 | +11 |
| +2.1 | Round 8 | CERCOL ROM | 22 | 4♠ | ♠6 | = | +0 |
| +2.0 | Round 2 | CZECHOSLOVAKIA V2 | 16 | 2♥ | ♦J | +1 | +6 |
| +2.0 | Round 3 | JUSTJUMP | 8 | 3♣ | ♠J | = | +0 |
| +1.9 | Round 6 | ALTSHULER | 21 | 5♣ | ♠2 | -2 | +2 |
| +1.8 | Round 6 | ALTSHULER | 20 | 2♥ | ♥8 | +1 | -10 |
| +1.7 | Round 2 | CZECHOSLOVAKIA V2 | 23 | 5♣ | ♥K | +1 | -10 |
| +1.7 | Round 2 | CZECHOSLOVAKIA V2 | 26 | 3♣ | ♥T | +1 | -10 |
| +1.6 | Round 4 | GOVIT | 18 | 4♠ | ♥6 | +1 | +13 |
| +1.6 | Round 6 | ALTSHULER | 25 | 2NT | ♥3 | -1 | +5 |
| +1.2 | Round 7 | TEAMNL OPEN | 3 | 4♠ | ♥6 | -1 | -2 |
| +1.0 | Round 3 | JUSTJUMP | 10 | 1NT | ♠A | -2 | +9 |
| +1.0 | Round 4 | GOVIT | 15 | 3NT | ♠J | = | -1 |
| +0.8 | Round 4 | GOVIT | 27 | 3NT | ♠4 | = | +0 |
| +0.5 | Round 2 | CZECHOSLOVAKIA V2 | 28 | 3NT | ♥3 | = | +1 |
| +0.2 | Round 3 | JUSTJUMP | 3 | 4♥ | ♦Q | +1 | +11 |
| +0.1 | Round 3 | JUSTJUMP | 9 | 3NT | ♣T | -2 | -8 |
| +0.0 | Round 3 | JUSTJUMP | 11 | 6♣ | ♠8 | +1 | -11 |
| +0.0 | Round 8 | CERCOL ROM | 15 | 3♥ | ♥6 | -1 | +0 |
| -0.2 | Round 6 | ALTSHULER | 23 | 3NT | ♣Q | +1 | -1 |
| -0.2 | Round 7 | TEAMNL OPEN | 1 | 4♠ | ♥2 | +1 | +0 |
| -0.2 | Round 8 | CERCOL ROM | 16 | 5♣x | ♥A | -2 | +10 |
| -0.3 | Round 2 | CZECHOSLOVAKIA V2 | 15 | 3NT | ♠2 | = | -1 |
| -0.3 | Round 3 | JUSTJUMP | 12 | 4♠ | ♣K | -1 | -4 |
| -0.3 | Round 7 | TEAMNL OPEN | 11 | 4♥ | ♣A | -2 | +1 |
| -0.7 | Round 2 | CZECHOSLOVAKIA V2 | 25 | 4♥ | ♠4 | = | -1 |
| -0.7 | Round 4 | GOVIT | 19 | 2♠ | ♣2 | = | -10 |
| -0.7 | Round 6 | ALTSHULER | 19 | 3NT | ♠7 | +2 | -1 |
| -0.7 | Round 6 | ALTSHULER | 22 | 3NT | ♥6 | +2 | +0 |
| -0.7 | Round 7 | TEAMNL OPEN | 5 | 2♠ | ♥6 | = | -1 |
| -0.7 | Round 8 | CERCOL ROM | 17 | 5♠ | ♣T | = | +8 |
| -1.0 | Round 3 | JUSTJUMP | 1 | 3NT | ♦7 | = | +0 |
| -1.0 | Round 8 | CERCOL ROM | 23 | 4♥ | ♠4 | -2 | -2 |
| -1.0 | Round 8 | CERCOL ROM | 24 | 5♥ | ♥K | = | +0 |
| -1.1 | Round 4 | GOVIT | 22 | 2♠ | ♣4 | = | -1 |
| -1.1 | Round 7 | TEAMNL OPEN | 14 | 4♠x | ♦5 | -2 | -4 |
| -1.2 | Round 4 | GOVIT | 23 | 1NT | ♦T | +2 | +10 |
| -1.3 | Round 4 | GOVIT | 25 | 2♠ | ♦Q | = | +1 |
| -1.4 | Round 3 | JUSTJUMP | 14 | 4♥ | ♦K | = | -3 |
| -1.4 | Round 4 | GOVIT | 16 | 3NT | ♥5 | +1 | +0 |
| -1.4 | Round 4 | GOVIT | 28 | 4♠ | ♥J | +1 | +0 |
| -1.8 | Round 6 | ALTSHULER | 28 | 1NT | ♥4 | -2 | +1 |
| -1.8 | Round 8 | CERCOL ROM | 20 | 4♠ | ♣K | = | +1 |
| -1.9 | Round 8 | CERCOL ROM | 18 | 2NT | ♣T | -1 | -4 |
| -2.1 | Round 2 | CZECHOSLOVAKIA V2 | 24 | 2♦ | ♦6 | +1 | +0 |
| -2.1 | Round 7 | TEAMNL OPEN | 12 | 3NT | ♦5 | = | +1 |
| -2.7 | Round 7 | TEAMNL OPEN | 13 | 2♥ | ♣A | +2 | +1 |
| -2.7 | Round 8 | CERCOL ROM | 28 | 6NT | ♣Q | +1 | -10 |
| -2.8 | Round 3 | JUSTJUMP | 5 | 3NT | ♠3 | = | +1 |
| -3.0 | Round 2 | CZECHOSLOVAKIA V2 | 17 | 3♦ | ♣K | +2 | -7 |
| -3.0 | Round 8 | CERCOL ROM | 21 | 4♠ | ♣J | = | -3 |
| -3.3 | Round 2 | CZECHOSLOVAKIA V2 | 27 | 4♠ | ♥6 | -1 | -5 |
| -3.3 | Round 6 | ALTSHULER | 24 | 3NT | ♦4 | +1 | -1 |
| -3.4 | Round 2 | CZECHOSLOVAKIA V2 | 18 | 1NT | ♠2 | -1 | -5 |
| -3.7 | Round 7 | TEAMNL OPEN | 10 | 3♣ | ♠J | -1 | -11 |
| -4.0 | Round 3 | JUSTJUMP | 4 | 4♥ | ♥8 | -1 | -6 |
| -4.4 | Round 6 | ALTSHULER | 15 | 4♠ | ♣2 | = | -11 |
| -6.0 | Round 2 | CZECHOSLOVAKIA V2 | 19 | 6♣x | ♦K | -1 | -11 |
| -6.3 | Round 7 | TEAMNL OPEN | 7 | 4♥ | ♠Q | +1 | +0 |
| -8.4 | Round 6 | ALTSHULER | 26 | 3NT | ♥3 | = | -3 |
| -11.2 | Round 7 | TEAMNL OPEN | 4 | 3NTx | ♥J | = | -6 |