BERKOWITZ David · LYNCH
39rank
+13.8Butler · 42 bds
+0.33per board
±3.8swing
+3.07vs par /bd
+0.28adjusted /bd
by round
vs par split: bidding +3.00 · play +2.10
Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted +0.28/bd
Card play — on target: opening leads 100.0% · declarer play 100.0% · defence 0.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (3) |
| Declarer play | · | 100.0% (3) |
| Defence | · | 0.0% (5) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (1)
vs par by strain: a suit +5.10 (10)
vs par by level: part-score +6.00 (3) · game +2.17 (6) · slam +20.00 (1)
By role: declaring +0.28/bd (+9.57 vs par · 25) · defending +0.40/bd (-3.43 vs par · 17)
By vulnerability: vulnerable -0.99/bd (+2.86 vs par · 7) · not vulnerable +0.59/bd (+3.29 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | L.Cohen | M.Ozdil – E.Ginossar | Open | 14 | +2.5 | +0.18 | · |
| Round of 32 | L.Cohen | A.Kalish – L.Podgur | Closed | 14 | +14.7 | +1.05 | · |
| Round of 32 | L.Cohen | M.Ozdil – E.Ginossar | Open | 14 | -3.4 | -0.24 | +3.07 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round of 32 | YADLIN | 33 | 3♦ | ♣A | -2 | · |
| +7.8 | Round of 32 | YADLIN | 27 | 4♥x | ♦10 | -3 | · |
| +6.8 | Round of 32 | YADLIN | 28 | 4♦x | ♣3 | -2 | · |
| +6.8 | Round of 32 | YADLIN | 29 | 6♠ | ♥2 | = | · |
| +5.8 | Round of 32 | YADLIN | 56 | 5♣ | ♠A | -1 | +0 |
| +5.2 | Round of 32 | YADLIN | 48 | 7♥ | ♥5 | = | +20 |
| +4.2 | Round of 32 | YADLIN | 34 | 3♣ | ♥J | +4 | · |
| +4.1 | Round of 32 | YADLIN | 16 | 2♥ | ♦J | +1 | · |
| +3.9 | Round of 32 | YADLIN | 52 | 5♦ | ♠A | +1 | -11 |
| +3.3 | Round of 32 | YADLIN | 24 | 3♠ | ♥A | +2 | · |
| +2.8 | Round of 32 | YADLIN | 31 | 3♥ | ♦9 | -1 | · |
| +1.7 | Round of 32 | YADLIN | 17 | 3N | ♥A | +3 | · |
| +1.7 | Round of 32 | YADLIN | 30 | 3♥ | ♠4 | = | · |
| +1.7 | Round of 32 | YADLIN | 36 | 3♣ | ♥9 | +2 | · |
| +1.5 | Round of 32 | YADLIN | 42 | 4♠ | ♥K | +2 | · |
| +1.2 | Round of 32 | YADLIN | 38 | 2♠ | ♥10 | = | · |
| +1.1 | Round of 32 | YADLIN | 47 | 2♥ | ♦2 | +2 | -1 |
| +0.7 | Round of 32 | YADLIN | 46 | 3N | ♥3 | +1 | -1 |
| +0.5 | Round of 32 | YADLIN | 32 | 3♣ | ♥9 | +1 | · |
| +0.1 | Round of 32 | YADLIN | 41 | 3♦ | ♣2 | +1 | · |
| -0.1 | Round of 32 | YADLIN | 22 | 3N | ♣6 | = | · |
| -0.1 | Round of 32 | YADLIN | 55 | 4♠ | ♥J | +1 | -2 |
| -0.2 | Round of 32 | YADLIN | 19 | 1N | ♣2 | = | · |
| -0.3 | Round of 32 | YADLIN | 20 | 1N | ♥2 | -1 | · |
| -0.9 | Round of 32 | YADLIN | 39 | 3♣ | ♠A | -3 | · |
| -1.3 | Round of 32 | YADLIN | 21 | 4♠ | ♥8 | = | · |
| -1.4 | Round of 32 | YADLIN | 50 | 3♥ | ♦K | = | +7 |
| -1.5 | Round of 32 | YADLIN | 45 | 4♥ | ♦9 | +2 | +14 |
| -1.6 | Round of 32 | YADLIN | 49 | 2♠ | ♥3 | -1 | +12 |
| -1.7 | Round of 32 | YADLIN | 23 | 1N | ♥J | -2 | · |
| -2.1 | Round of 32 | YADLIN | 44 | 3N | ♠9 | +2 | -12 |
| -2.3 | Round of 32 | YADLIN | 26 | 2♠ | ♣A | -1 | · |
| -2.8 | Round of 32 | YADLIN | 54 | 3N | ♥Q | = | +10 |
| -3.0 | Round of 32 | YADLIN | 18 | 4♠ | ♥2 | +1 | · |
| -3.0 | Round of 32 | YADLIN | 40 | 4♥ | ♠K | = | · |
| -3.1 | Round of 32 | YADLIN | 51 | 1N | ♣10 | = | -5 |
| -3.7 | Round of 32 | YADLIN | 43 | 4♥ | ♥2 | -2 | +11 |
| -3.8 | Round of 32 | YADLIN | 53 | 4♥ | ♥6 | -1 | +1 |
| -5.7 | Round of 32 | YADLIN | 25 | 1♦ | ♥10 | +1 | · |
| -5.8 | Round of 32 | YADLIN | 35 | 4♥ | ♠Q | -1 | · |
| -5.9 | Round of 32 | YADLIN | 37 | 4♥ | ♦9 | = | · |
| -6.6 | Round of 32 | YADLIN | 15 | 3♦ | ♣K | -3 | · |