KAHN Allen · NEW YORK
141rank
-78.0Butler · 90 bds
-0.87per board
±3.9swing
-0.19vs par /bd · #87/148
-0.87adjusted /bd
by round
vs par split: bidding +0.47 · play -0.66
Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.87/bd
Card play — on target: opening leads 81.5% #55 of 148 · declarer play 68.2% #115 of 148 · defence 94.2% #3 of 148
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 76.9% (13) | 85.7% (14) |
| Declarer play | 62.5% (8) | 71.4% (14) |
| Defence | 91.7% (24) | 96.4% (28) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 86.7% (15) · ♦ 75.0% (4) · ♣ 66.7% (3)
vs par by strain: NT -0.30 (37) · a suit -0.11 (53)
vs par by level: part-score +0.61 (31) · game -0.96 (54) · slam +3.20 (5)
By role: declaring -0.34/bd (-2.13 vs par · 38) · defending -1.25/bd (+1.23 vs par · 52)
By vulnerability: vulnerable -0.80/bd (+0.18 vs par · 45) · not vulnerable -0.93/bd (-0.56 vs par · 45)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | I.Herman | P.Tuszynski – W.Starkowski | Open | 10 | -5.8 | -0.58 | +1.40 |
| Round 2 | I.Herman | M.Roche – J.Carruthers | Closed | 10 | -14.7 | -1.47 | +1.00 |
| Round 3 | I.Herman | P.Ling – R.Ling | Open | 10 | -12.3 | -1.23 | -2.90 |
| Round 4 | I.Herman | G.Eisenstein – J.Rengstorff | Closed | 10 | +2.6 | +0.26 | +0.70 |
| Round 5 | I.Herman | C.Miner – R.Giragosian | Open | 10 | -5.4 | -0.54 | -2.60 |
| Round 7 | I.Herman | H.Sharples – G.Marshall | Closed | 10 | +10.6 | +1.06 | +3.30 |
| Round 8 | I.Herman | F.Stewart – R.Lebi | Closed | 10 | -27.4 | -2.74 | -3.10 |
| Round 9 | I.Herman | G.Schwartz – P.Matthews Jr | Closed | 10 | +5.0 | +0.50 | +1.80 |
| Round 10 | I.Herman | K.Kranyak – P.Becker | Open | 10 | -30.6 | -3.06 | -1.30 |
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 |
|---|---|---|---|---|---|---|---|
| +8.1 | Round 5 | MCCONNELL | 23 | 5♦x | ♣A | -2 | +8 |
| +6.7 | Round 9 | HALMAN | 6 | 4♥ | ♠5 | = | +7 |
| +4.8 | Round 1 | VYTAS | 6 | 4♠ | ♣A | -2 | +5 |
| +4.4 | Round 5 | MCCONNELL | 26 | 3NT | ♥10 | = | +0 |
| +4.0 | Round 7 | NORTHWEST PLUS | 17 | 3NT | ♥4 | +1 | +14 |
| +3.9 | Round 7 | NORTHWEST PLUS | 19 | 2♥ | ♣8 | -1 | +12 |
| +3.9 | Round 7 | NORTHWEST PLUS | 20 | 4♠ | ♣A | +1 | +0 |
| +3.8 | Round 7 | NORTHWEST PLUS | 13 | 1♠ | ♣5 | = | +5 |
| +3.7 | Round 1 | VYTAS | 5 | 4♥ | ♠J | -1 | +5 |
| +3.6 | Round 3 | MASTERMIND | 10 | 1NT | ♠4 | +1 | +6 |
| +3.3 | Round 9 | HALMAN | 5 | 4♠ | ♣7 | -2 | +0 |
| +3.2 | Round 3 | MASTERMIND | 1 | 3NT | ♠8 | +1 | +7 |
| +3.1 | Round 4 | EISENSTEIN | 13 | 3NT | ♣9 | +2 | +0 |
| +3.0 | Round 7 | NORTHWEST PLUS | 16 | 4♠ | ♦A | -1 | +6 |
| +2.9 | Round 1 | VYTAS | 9 | 2♦ | ♣A | -2 | +5 |
| +2.8 | Round 4 | EISENSTEIN | 15 | 4♠ | ♥4 | +1 | +0 |
| +2.7 | Round 4 | EISENSTEIN | 14 | 1♠ | ♦9 | +2 | +0 |
| +2.6 | Round 1 | VYTAS | 1 | 3♦ | ♦4 | -1 | -2 |
| +2.5 | Round 7 | NORTHWEST PLUS | 15 | 2♦ | ♣10 | = | +0 |
| +2.4 | Round 8 | SILVERMAN | 27 | 3♣ | ♦3 | = | +0 |
| +2.4 | Round 9 | HALMAN | 2 | 4♠ | ♦K | -2 | +6 |
| +2.3 | Round 9 | HALMAN | 1 | 3NT | ♥J | -1 | +10 |
| +2.1 | Round 5 | MCCONNELL | 21 | 3NT | ♠A | +1 | +1 |
| +1.8 | Round 4 | EISENSTEIN | 16 | 5♥ | ♠A | +1 | -3 |
| +1.5 | Round 2 | CANADA SENIORS | 11 | 3NT | ♥3 | -1 | +5 |
| +1.5 | Round 5 | MCCONNELL | 24 | 6NT | ♣A | = | +0 |
| +1.4 | Round 10 | KRANYAK | 18 | 1NT | ♦10 | -2 | +0 |
| +1.1 | Round 10 | KRANYAK | 17 | 2♥ | ♦3 | +1 | +0 |
| +0.9 | Round 3 | MASTERMIND | 2 | 1NT | ♥4 | +2 | -6 |
| +0.7 | Round 4 | EISENSTEIN | 19 | 2♦ | ♠3 | +1 | +0 |
| +0.5 | Round 2 | CANADA SENIORS | 17 | 2♠ | ♥8 | -1 | +2 |
| +0.5 | Round 3 | MASTERMIND | 5 | 5♣ | ♥5 | = | +2 |
| +0.1 | Round 7 | NORTHWEST PLUS | 12 | 3♦ | ♥3 | +1 | +7 |
| +0.1 | Round 8 | SILVERMAN | 28 | 1NT | ♦2 | = | +1 |
| +0.0 | Round 2 | CANADA SENIORS | 15 | 4♥ | ♣K | = | +0 |
| -0.0 | Round 3 | MASTERMIND | 6 | 3NT | ♠4 | = | +0 |
| +0.0 | Round 9 | HALMAN | 4 | 4♥ | ♣K | +1 | +0 |
| -0.1 | Round 1 | VYTAS | 7 | 3♣ | ♥3 | +1 | +0 |
| -0.1 | Round 2 | CANADA SENIORS | 12 | 1NT | ♥9 | +1 | +0 |
| -0.1 | Round 5 | MCCONNELL | 29 | 3NT | ♣4 | = | +1 |
| -0.2 | Round 1 | VYTAS | 4 | 2♥ | ♦9 | -1 | +11 |
| -0.3 | Round 2 | CANADA SENIORS | 18 | 3NT | ♥4 | +1 | -1 |
| -0.3 | Round 3 | MASTERMIND | 9 | 2♠ | ♥4 | +1 | +0 |
| -0.3 | Round 5 | MCCONNELL | 25 | 3NT | ♥J | +2 | +0 |
| -0.4 | Round 8 | SILVERMAN | 21 | 3NT | ♠6 | +1 | -1 |
| -0.4 | Round 8 | SILVERMAN | 23 | 3NT | ♠2 | +1 | +0 |
| -0.6 | Round 1 | VYTAS | 8 | 3♣ | ♦3 | -1 | +1 |
| -0.6 | Round 9 | HALMAN | 9 | 4♠ | ♥4 | = | +0 |
| -0.7 | Round 1 | VYTAS | 3 | 1NT | ♦Q | = | +2 |
| -0.7 | Round 7 | NORTHWEST PLUS | 11 | 4♥ | ♣A | +1 | -11 |
| -0.8 | Round 9 | HALMAN | 8 | 4♠ | ♠2 | = | +0 |
| -0.9 | Round 4 | EISENSTEIN | 17 | 5♣x | ♥A | -2 | -4 |
| -1.0 | Round 4 | EISENSTEIN | 20 | 3NT | ♦10 | +3 | +13 |
| -1.0 | Round 8 | SILVERMAN | 24 | 4♥ | ♦4 | = | +1 |
| -1.0 | Round 9 | HALMAN | 7 | 3♣ | ♦A | +1 | +11 |
| -1.0 | Round 10 | KRANYAK | 15 | 3NT | ♥10 | -2 | -7 |
| -1.3 | Round 10 | KRANYAK | 20 | 5♣ | ♠A | = | +2 |
| -1.4 | Round 8 | SILVERMAN | 26 | 2♥ | ♦Q | +1 | +0 |
| -1.5 | Round 2 | CANADA SENIORS | 20 | 2♠ | ♦A | = | -1 |
| -1.9 | Round 2 | CANADA SENIORS | 13 | 6♠ | ♥J | +1 | -8 |
| -1.9 | Round 4 | EISENSTEIN | 18 | 3♠ | ♥4 | = | +0 |
| -1.9 | Round 9 | HALMAN | 3 | 1NT | ♣4 | -1 | -4 |
| -1.9 | Round 10 | KRANYAK | 19 | 2NT | ♦6 | +1 | +0 |
| -2.0 | Round 10 | KRANYAK | 11 | 4♦ | ♥4 | -1 | -5 |
| -2.1 | Round 10 | KRANYAK | 14 | 3NT | ♥2 | +1 | +0 |
| -2.2 | Round 4 | EISENSTEIN | 12 | 6NT | ♠9 | = | +0 |
| -2.4 | Round 2 | CANADA SENIORS | 16 | 6♠ | ♥Q | +1 | +11 |
| -2.5 | Round 4 | EISENSTEIN | 11 | 3NT | ♣Q | = | +1 |
| -2.9 | Round 5 | MCCONNELL | 30 | 1NT | ♣4 | = | -5 |
| -3.0 | Round 5 | MCCONNELL | 27 | 4♥ | ♦7 | -1 | -10 |
| -3.2 | Round 3 | MASTERMIND | 4 | 4♥ | ♠8 | -1 | -6 |
| -3.4 | Round 5 | MCCONNELL | 22 | 2♥ | ♦10 | +3 | -10 |
| -3.7 | Round 8 | SILVERMAN | 22 | 4♠x | ♦5 | -1 | -11 |
| -4.2 | Round 2 | CANADA SENIORS | 19 | 4♥ | ♥4 | = | +0 |
| -4.3 | Round 7 | NORTHWEST PLUS | 18 | 3NT | ♦Q | +2 | +0 |
| -4.6 | Round 3 | MASTERMIND | 7 | 3NT | ♣K | -1 | -12 |
| -5.2 | Round 8 | SILVERMAN | 30 | 3NT | ♠2 | = | +0 |
| -5.4 | Round 9 | HALMAN | 10 | 4♠ | ♦4 | -1 | -12 |
| -5.6 | Round 7 | NORTHWEST PLUS | 14 | 5♠ | ♥3 | -2 | +0 |
| -6.2 | Round 1 | VYTAS | 2 | 5♦ | ♣5 | = | -3 |
| -6.2 | Round 3 | MASTERMIND | 3 | 3NT | ♦J | -2 | -13 |
| -6.2 | Round 3 | MASTERMIND | 8 | 4♠ | ♠8 | = | -7 |
| -6.3 | Round 2 | CANADA SENIORS | 14 | 4♠ | ♦7 | -1 | +2 |
| -6.7 | Round 10 | KRANYAK | 12 | 3NT | ♦6 | = | -6 |
| -8.0 | Round 8 | SILVERMAN | 25 | 4♠ | ♦Q | -3 | -11 |
| -8.9 | Round 10 | KRANYAK | 16 | 3NT | ♠7 | = | -10 |
| -9.2 | Round 10 | KRANYAK | 13 | 6NT | ♥J | = | +13 |
| -9.8 | Round 8 | SILVERMAN | 29 | 3NT | ♥J | = | -10 |
| -11.8 | Round 5 | MCCONNELL | 28 | 2♠x | ♥A | = | -11 |
| -12.0 | Round 1 | VYTAS | 10 | 3NT | ♥7 | = | -10 |