COHEN Allan · JASS
107rank
+41.4Butler · 100 bds
+0.41per board
±4.7swing
-0.29vs par /bd · #380/553
+0.37adjusted /bd
by round
vs par split: bidding -0.53 · play +0.24
Strength of schedule: opponents averaged -0.05/bd (an average draw) → opponent-adjusted +0.37/bd
Card play — on target: opening leads 70.8% #460 of 551 · declarer play 82.8% #101 of 551 · defence 82.6% #356 of 553
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (10) | 85.7% (14) |
| Declarer play | 100.0% (9) | 75.0% (20) |
| Defence | 81.2% (16) | 83.3% (30) |
Opening leads by suit led: ♠ 50.0% (8) · ♥ 60.0% (5) · ♦ 100.0% (2) · ♣ 88.9% (9)
vs par by strain: NT -0.68 (28) · a suit -0.14 (72)
vs par by level: part-score -0.03 (38) · game -1.13 (55) · slam +4.86 (7)
By role: declaring +0.16/bd (-2.85 vs par · 54) · defending +0.71/bd (+2.72 vs par · 46)
By vulnerability: vulnerable +0.37/bd (-0.73 vs par · 49) · not vulnerable +0.45/bd (+0.14 vs par · 51)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Norris | C.Marcu – F.Dumitrascu | Open | 10 | +7.0 | +0.70 | -2.50 |
| Round 2 | J.Norris | M.Henneberg – J.Henneberg | Open | 10 | -1.4 | -0.14 | -1.10 |
| Round 3 | J.Norris | J.Zochowska – I.Salonen | Open | 10 | +15.7 | +1.57 | +2.50 |
| Round 4 | J.Norris | S.Skorchev – B.Popov | Open | 10 | +31.0 | +3.10 | +1.30 |
| Round 5 | J.Norris | E.Ginossar – C.Willenken | Open | 10 | -7.6 | -0.76 | +0.70 |
| Round 6 | J.Norris | K.Fyrun – A.Rasmussen | Open | 10 | +9.9 | +0.99 | -0.60 |
| Round 7 | J.Norris | S.Bahbout – M.Vandervorst | Open | 10 | -7.2 | -0.72 | -0.60 |
| Round 8 | J.Norris | M.Schollaardt – T.Van Overbeeke | Closed | 10 | +0.7 | +0.07 | -0.60 |
| Round 9 | J.Norris | A.Palma – P.Cullin | Open | 10 | -20.6 | -2.06 | -2.20 |
| Round 10 | J.Norris | V.Zuban – LUKKE YURY | Open | 10 | +13.9 | +1.39 | +0.20 |
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 |
|---|---|---|---|---|---|---|---|
| +13.7 | Round 3 | MORAWSKI | 27 | 4♥x | ♠4 | -5 | +12 |
| +10.6 | Round 10 | INTER | 6 | 6♥ | ♠A | -2 | +11 |
| +10.2 | Round 1 | SPAIMA | 2 | 6♠ | ♥2 | -2 | +11 |
| +9.6 | Round 10 | INTER | 1 | 7♥ | ♥8 | = | +0 |
| +8.9 | Round 4 | HARRIS | 6 | 2♠ | ♣5 | -3 | +9 |
| +8.1 | Round 8 | NETHERLANDS WHITE | 18 | 6♠x | ♦A | -1 | +11 |
| +7.7 | Round 7 | BARRACUDA | 10 | 4♥ | ♣3 | = | +1 |
| +7.4 | Round 4 | HARRIS | 8 | 5♠ | ♥K | +2 | +14 |
| +7.4 | Round 4 | HARRIS | 9 | 4♥ | ♠7 | = | +1 |
| +6.9 | Round 5 | ROSENTHAL | 20 | 4♥ | ♠4 | -2 | +13 |
| +6.8 | Round 1 | SPAIMA | 9 | 6♦ | ♥K | = | +0 |
| +6.6 | Round 4 | HARRIS | 4 | 3♦ | ♣9 | -2 | +7 |
| +6.3 | Round 6 | ATLANTIC | 29 | 4♠ | ♦A | +1 | -10 |
| +5.7 | Round 1 | SPAIMA | 10 | 3NT | ♥3 | -5 | +8 |
| +5.7 | Round 2 | HENNEBERG | 15 | 2♥ | ♣8 | +2 | +7 |
| +5.6 | Round 8 | NETHERLANDS WHITE | 19 | 2NT | ♦J | -2 | +11 |
| +5.6 | Round 10 | INTER | 3 | 5♣ | ♥3 | -1 | +10 |
| +4.9 | Round 3 | MORAWSKI | 21 | 1NT | ♠4 | +1 | +6 |
| +4.3 | Round 4 | HARRIS | 1 | 2♥ | ♣6 | -3 | +6 |
| +4.2 | Round 3 | MORAWSKI | 22 | 3NT | ♣7 | -1 | +12 |
| +3.9 | Round 9 | TEAM VENTIN | 28 | 3♦ | ♥3 | = | +1 |
| +3.7 | Round 9 | TEAM VENTIN | 22 | 3♣ | ♠A | +1 | +1 |
| +3.5 | Round 6 | ATLANTIC | 23 | 5♥ | ♣3 | -2 | +13 |
| +3.4 | Round 7 | BARRACUDA | 2 | 4♥ | ♣3 | = | +0 |
| +3.3 | Round 6 | ATLANTIC | 21 | 2♥ | ♦6 | = | +6 |
| +3.2 | Round 2 | HENNEBERG | 17 | 3♥ | ♦K | -3 | +1 |
| +3.0 | Round 7 | BARRACUDA | 1 | 2♣x | ♠3 | -1 | +8 |
| +2.8 | Round 1 | SPAIMA | 1 | 6♠ | ♥Q | +1 | +1 |
| +2.8 | Round 8 | NETHERLANDS WHITE | 12 | 4♥ | ♠K | = | +1 |
| +2.7 | Round 8 | NETHERLANDS WHITE | 13 | 3NT | ♠K | +1 | +0 |
| +2.6 | Round 10 | INTER | 7 | 2♥ | ♥A | +1 | +1 |
| +2.1 | Round 3 | MORAWSKI | 25 | 2♠ | ♥Q | = | +5 |
| +2.1 | Round 5 | ROSENTHAL | 13 | 4♠ | ♣10 | +1 | +0 |
| +2.1 | Round 5 | ROSENTHAL | 16 | 3♥ | ♦6 | = | +0 |
| +1.8 | Round 4 | HARRIS | 7 | 5♦ | ♥Q | = | -2 |
| +1.8 | Round 7 | BARRACUDA | 6 | 3NT | ♣3 | +2 | +1 |
| +1.4 | Round 5 | ROSENTHAL | 12 | 4♠ | ♥7 | +2 | +1 |
| +1.3 | Round 5 | ROSENTHAL | 19 | 2♥ | ♦8 | = | +0 |
| +1.3 | Round 6 | ATLANTIC | 27 | 3NT | ♥9 | +2 | +1 |
| +1.0 | Round 1 | SPAIMA | 7 | 3NT | ♥8 | +2 | +1 |
| +0.9 | Round 2 | HENNEBERG | 11 | 4♠ | ♦8 | +1 | +0 |
| +0.9 | Round 2 | HENNEBERG | 12 | 3NT | ♠5 | +1 | +0 |
| +0.9 | Round 3 | MORAWSKI | 23 | 2♦ | ♠7 | +1 | -1 |
| +0.9 | Round 6 | ATLANTIC | 24 | 3NT | ♠6 | = | +2 |
| +0.8 | Round 2 | HENNEBERG | 14 | 1NT | ♥7 | = | +1 |
| +0.7 | Round 7 | BARRACUDA | 4 | 3NT | ♣3 | = | +1 |
| +0.5 | Round 6 | ATLANTIC | 30 | 4♥ | ♦9 | -1 | +10 |
| +0.2 | Round 3 | MORAWSKI | 26 | 1NT | ♦4 | +1 | +1 |
| +0.2 | Round 4 | HARRIS | 2 | 2NT | ♠5 | +1 | -10 |
| +0.2 | Round 4 | HARRIS | 10 | 3NT | ♣5 | +1 | +0 |
| +0.2 | Round 6 | ATLANTIC | 28 | 3NT | ♠7 | +1 | +0 |
| +0.2 | Round 9 | TEAM VENTIN | 25 | 2♠ | ♣10 | +1 | +0 |
| +0.1 | Round 2 | HENNEBERG | 18 | 1♥ | ♣Q | -1 | +0 |
| -0.0 | Round 10 | INTER | 8 | 5♥x | ♠4 | -2 | +0 |
| -0.1 | Round 9 | TEAM VENTIN | 27 | 4♥ | ♥2 | +1 | +0 |
| -0.4 | Round 7 | BARRACUDA | 3 | 1NT | ♣3 | = | +0 |
| -0.4 | Round 8 | NETHERLANDS WHITE | 20 | 3♥ | ♥8 | = | +0 |
| -0.5 | Round 8 | NETHERLANDS WHITE | 14 | 3♦ | ♣J | +1 | -5 |
| -0.7 | Round 5 | ROSENTHAL | 15 | 1NT | ♣J | -1 | +2 |
| -0.8 | Round 10 | INTER | 4 | 3NT | ♠3 | +3 | -1 |
| -1.0 | Round 6 | ATLANTIC | 25 | 5♣ | ♠K | = | -9 |
| -1.1 | Round 3 | MORAWSKI | 24 | 4♠ | ♣J | +2 | -2 |
| -1.3 | Round 3 | MORAWSKI | 30 | 3♠ | ♥Q | -1 | -4 |
| -1.5 | Round 1 | SPAIMA | 8 | 5♦ | ♣7 | +1 | -11 |
| -1.6 | Round 9 | TEAM VENTIN | 29 | 3NT | ♠3 | +2 | -1 |
| -1.7 | Round 5 | ROSENTHAL | 18 | 4♥ | ♣2 | +1 | -1 |
| -1.7 | Round 10 | INTER | 2 | 4♠ | ♣Q | -3 | -2 |
| -1.8 | Round 2 | HENNEBERG | 16 | 4♠ | ♣A | +1 | +0 |
| -2.0 | Round 6 | ATLANTIC | 22 | 2♠ | ♦7 | +2 | -6 |
| -2.4 | Round 3 | MORAWSKI | 28 | 4♠ | ♦K | = | +0 |
| -2.5 | Round 8 | NETHERLANDS WHITE | 15 | 1NT | ♣3 | +1 | -6 |
| -2.5 | Round 9 | TEAM VENTIN | 21 | 2♠ | ♦K | -1 | -6 |
| -2.5 | Round 10 | INTER | 5 | 3NT | ♠2 | +3 | -1 |
| -2.7 | Round 1 | SPAIMA | 4 | 3NT | ♣Q | +1 | -13 |
| -2.7 | Round 10 | INTER | 10 | 4♠ | ♥5 | -2 | -7 |
| -2.8 | Round 4 | HARRIS | 5 | 3♠ | ♦Q | +1 | -1 |
| -2.9 | Round 7 | BARRACUDA | 9 | 2♠ | ♣3 | +1 | +0 |
| -3.0 | Round 4 | HARRIS | 3 | 4♠ | ♥Q | +2 | -11 |
| -3.0 | Round 5 | ROSENTHAL | 17 | 2♥ | ♦3 | -1 | -5 |
| -3.1 | Round 6 | ATLANTIC | 26 | 4♠ | ♣4 | +2 | -13 |
| -3.3 | Round 2 | HENNEBERG | 19 | 3♠ | ♦6 | -2 | -2 |
| -3.5 | Round 9 | TEAM VENTIN | 30 | 4♥ | ♣2 | = | +0 |
| -3.6 | Round 2 | HENNEBERG | 13 | 5♠ | ♦2 | = | -13 |
| -3.6 | Round 8 | NETHERLANDS WHITE | 16 | 4♥x | ♣K | -1 | -13 |
| -3.8 | Round 8 | NETHERLANDS WHITE | 17 | 2♣ | ♥5 | = | -5 |
| -4.1 | Round 5 | ROSENTHAL | 11 | 3NT | ♠9 | = | +0 |
| -4.3 | Round 2 | HENNEBERG | 20 | 2NT | ♠3 | -1 | -5 |
| -4.3 | Round 7 | BARRACUDA | 5 | 3♠ | ♣A | -2 | -6 |
| -4.4 | Round 1 | SPAIMA | 3 | 3NT | ♠10 | +1 | -8 |
| -5.4 | Round 1 | SPAIMA | 6 | 4♠ | ♠5 | +2 | -11 |
| -5.5 | Round 1 | SPAIMA | 5 | 4♠ | ♥K | +3 | -3 |
| -5.5 | Round 3 | MORAWSKI | 29 | 5♥ | ♣A | = | -4 |
| -5.6 | Round 9 | TEAM VENTIN | 24 | 4♠x | ♥K | +1 | +7 |
| -6.8 | Round 10 | INTER | 9 | 1NTx | ♥8 | +1 | -9 |
| -7.5 | Round 9 | TEAM VENTIN | 26 | 4♠x | ♣2 | -2 | -12 |
| -7.6 | Round 9 | TEAM VENTIN | 23 | 3NT | ♦10 | +2 | -12 |
| -7.7 | Round 7 | BARRACUDA | 8 | 4♥ | ♣6 | -1 | -10 |
| -7.7 | Round 8 | NETHERLANDS WHITE | 11 | 7♥ | ♣K | = | +0 |
| -8.5 | Round 7 | BARRACUDA | 7 | 4♠ | ♣A | +1 | -1 |
| -11.9 | Round 5 | ROSENTHAL | 14 | 2♥x | ♥K | -5 | -3 |