COHEN Alberto · COACH K
314rank
-18.1Butler · 100 bds
-0.18per board
±4.0swing
-0.42vs par /bd · #325/478
-0.02adjusted /bd
by round
vs par split: bidding -0.09 · play -0.36
Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted -0.02/bd
Card play — on target: opening leads 83.3% #103 of 476 · declarer play 63.6% #423 of 478 · defence 77.4% #416 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 88.2% (17) |
| Declarer play | 57.1% (7) | 66.7% (15) |
| Defence | 68.4% (19) | 82.4% (34) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 80.0% (10) · ♦ 100.0% (5) · ♣ 83.3% (6)
vs par by strain: NT -0.39 (33) · a suit -0.48 (66)
vs par by level: part-score -1.73 (41) · game +0.63 (51) · slam -0.86 (7)
By role: declaring -0.21/bd (-1.91 vs par · 46) · defending -0.15/bd (+0.85 vs par · 54)
By vulnerability: vulnerable +0.15/bd (-0.38 vs par · 50) · not vulnerable -0.51/bd (-0.46 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | M.Reygadas | D.Bakhshi – S.Tulin | Open | 10 | +4.9 | +0.49 | +2.60 |
| Round 2 | M.Reygadas | J.Carrera – R.Nino | Open | 10 | +17.8 | +1.78 | +0.20 |
| Round 3 | M.Reygadas | S.Bahbout – A.Palma | Open | 10 | +5.5 | +0.55 | -0.10 |
| Round 4 | M.Reygadas | S.Robinson – P.Boyd | Open | 10 | -4.0 | -0.40 | -1.50 |
| Round 5 | M.Reygadas | S.Bloom – J.Juster | Closed | 10 | +16.6 | +1.66 | +0.20 |
| Round 6 | M.Reygadas | J.Gu – H.Ao | Closed | 10 | -32.9 | -3.29 | -1.00 |
| Round 7 | M.Reygadas | J.Kranyak – V.Demuy | Closed | 10 | -27.9 | -2.79 | -1.40 |
| Round 8 | M.Reygadas | P.Mathieu – L.Soudan | Open | 10 | +5.4 | +0.54 | -2.00 |
| Round 9 | M.Reygadas | T.Grude – C.Bakke | Closed | 10 | +0.8 | +0.08 | +0.90 |
| Round 10 | M.Reygadas | T.Helness – G.Helgemo | Open | 10 | -4.3 | -0.43 | -2.10 |
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 |
|---|---|---|---|---|---|---|---|
| +10.6 | Round 2 | JUAN VALDEZ | 16 | 6♠ | ♣10 | -1 | +14 |
| +9.9 | Round 8 | GUADELOUPE | 3 | 3NT | ♦J | = | +0 |
| +8.5 | Round 7 | SPECTOR | 16 | 4♠ | ♥J | +2 | +14 |
| +8.2 | Round 5 | JUSTER | 23 | 5♣ | ♦K | = | +3 |
| +6.9 | Round 10 | ZIMMERMANN | 27 | 4♥ | ♥2 | = | +0 |
| +6.6 | Round 8 | GUADELOUPE | 8 | 4♠ | ♥2 | -2 | +6 |
| +6.4 | Round 1 | TULIN | 3 | 4♠ | ♥7 | +3 | +14 |
| +5.7 | Round 5 | JUSTER | 21 | 6♣ | ♥3 | = | -2 |
| +5.6 | Round 4 | ROBINSON | 20 | 3♣ | ♦K | -2 | +3 |
| +5.0 | Round 2 | JUAN VALDEZ | 12 | 4♥ | ♦3 | -1 | +6 |
| +4.0 | Round 4 | ROBINSON | 14 | 4♠ | ♣2 | +1 | +2 |
| +3.8 | Round 3 | VENTIN | 2 | 4♠ | ♣K | -1 | +9 |
| +3.6 | Round 1 | TULIN | 6 | 3NT | ♣5 | +1 | +0 |
| +3.5 | Round 3 | VENTIN | 5 | 3♥ | ♦K | -1 | +5 |
| +3.5 | Round 9 | GILLIS | 18 | 3NT | ♥8 | -1 | +6 |
| +3.4 | Round 5 | JUSTER | 22 | 2♠ | ♥3 | -1 | +5 |
| +3.3 | Round 2 | JUAN VALDEZ | 19 | 2♣ | ♣Q | -2 | -11 |
| +3.0 | Round 9 | GILLIS | 17 | 5♥ | ♠3 | = | +0 |
| +2.9 | Round 5 | JUSTER | 24 | 6♥ | ♣J | = | +0 |
| +2.8 | Round 8 | GUADELOUPE | 4 | 3♥ | ♠10 | = | +0 |
| +2.7 | Round 1 | TULIN | 5 | 2NT | ♥3 | -2 | +7 |
| +2.7 | Round 2 | JUAN VALDEZ | 20 | 2♠ | ♥A | +1 | +1 |
| +2.5 | Round 1 | TULIN | 7 | 3NT | ♠5 | = | +0 |
| +2.5 | Round 3 | VENTIN | 10 | 4♥ | ♣Q | -1 | -6 |
| +2.3 | Round 4 | ROBINSON | 13 | 2♦ | ♥A | +1 | -1 |
| +2.2 | Round 10 | ZIMMERMANN | 24 | 6NT | ♠10 | +1 | +1 |
| +2.1 | Round 4 | ROBINSON | 11 | 3♠ | ♥K | +1 | +6 |
| +1.8 | Round 2 | JUAN VALDEZ | 17 | 3NT | ♠7 | +1 | +0 |
| +1.8 | Round 10 | ZIMMERMANN | 21 | 3NT | ♣4 | +1 | +1 |
| +1.7 | Round 1 | TULIN | 4 | 5♦ | ♥8 | +1 | +10 |
| +1.6 | Round 2 | JUAN VALDEZ | 11 | 2♠ | ♥7 | -3 | +1 |
| +1.6 | Round 3 | VENTIN | 8 | 3NT | ♣Q | -1 | +4 |
| +1.6 | Round 9 | GILLIS | 15 | 4♠ | ♥K | +1 | +0 |
| +1.3 | Round 10 | ZIMMERMANN | 23 | 5♦x | ♣K | -1 | +2 |
| +1.2 | Round 8 | GUADELOUPE | 2 | 1NT | ♥6 | +2 | -6 |
| +1.0 | Round 3 | VENTIN | 9 | 3NT | ♠6 | +1 | +0 |
| +0.9 | Round 9 | GILLIS | 13 | 3NT | ♥10 | +1 | -1 |
| +0.8 | Round 5 | JUSTER | 28 | Pass | +3 | ||
| +0.7 | Round 2 | JUAN VALDEZ | 13 | 4♥ | ♦J | +1 | +0 |
| +0.7 | Round 3 | VENTIN | 3 | 3NT | ♥5 | -1 | -3 |
| +0.7 | Round 6 | BASEGGIO | 4 | 2♥ | ♦10 | -1 | +11 |
| +0.5 | Round 9 | GILLIS | 16 | 5♥ | ♠K | +1 | -3 |
| +0.4 | Round 5 | JUSTER | 25 | 3NT | ♥5 | +1 | +0 |
| +0.4 | Round 9 | GILLIS | 19 | 1NT | ♠K | +1 | +0 |
| +0.2 | Round 3 | VENTIN | 1 | 2♥ | ♣6 | -1 | +2 |
| +0.2 | Round 10 | ZIMMERMANN | 25 | 3NT | ♣6 | +1 | +1 |
| -0.0 | Round 4 | ROBINSON | 18 | 2♥ | ♣6 | = | +0 |
| +0.0 | Round 5 | JUSTER | 30 | 4♠ | ♣8 | = | +0 |
| -0.1 | Round 2 | JUAN VALDEZ | 18 | 3NT | ♠Q | +1 | +0 |
| -0.4 | Round 1 | TULIN | 10 | 4♥ | ♠4 | +1 | +0 |
| -0.4 | Round 4 | ROBINSON | 16 | 1NT | ♠J | -1 | +0 |
| -0.5 | Round 7 | SPECTOR | 13 | 6♠ | ♥J | +1 | -8 |
| -0.5 | Round 8 | GUADELOUPE | 6 | 3NT | ♠4 | = | +0 |
| -0.5 | Round 10 | ZIMMERMANN | 29 | 3NT | ♣4 | +1 | +0 |
| -0.9 | Round 3 | VENTIN | 7 | 3NT | ♥10 | = | -1 |
| -1.0 | Round 5 | JUSTER | 26 | 2♠ | ♦J | +1 | +0 |
| -1.1 | Round 8 | GUADELOUPE | 9 | 2NT | ♥8 | -2 | -2 |
| -1.1 | Round 9 | GILLIS | 20 | 5♠ | ♥4 | +1 | +13 |
| -1.2 | Round 2 | JUAN VALDEZ | 15 | 5♠x | ♥K | -1 | +0 |
| -1.2 | Round 7 | SPECTOR | 12 | 3♦ | ♠5 | -3 | -1 |
| -1.3 | Round 7 | SPECTOR | 15 | 4♥ | ♠9 | = | +0 |
| -1.4 | Round 9 | GILLIS | 12 | 6NT | ♣A | = | +0 |
| -1.5 | Round 1 | TULIN | 1 | 2♥ | ♦8 | -1 | -3 |
| -1.6 | Round 8 | GUADELOUPE | 10 | 2NT | ♥2 | -1 | +0 |
| -1.6 | Round 10 | ZIMMERMANN | 28 | 2♠ | ♥K | = | +0 |
| -1.7 | Round 5 | JUSTER | 29 | 3NT | ♣J | +3 | -1 |
| -1.7 | Round 6 | BASEGGIO | 6 | 2♦ | ♥3 | +1 | +0 |
| -1.7 | Round 8 | GUADELOUPE | 7 | 2♥ | ♦7 | -1 | -11 |
| -1.8 | Round 7 | SPECTOR | 17 | 2♥ | ♣J | = | +0 |
| -1.9 | Round 1 | TULIN | 2 | 3♥ | ♦10 | = | +0 |
| -1.9 | Round 9 | GILLIS | 11 | 3NT | ♥J | = | +1 |
| -2.1 | Round 5 | JUSTER | 27 | 2♣ | ♣10 | = | -6 |
| -2.2 | Round 4 | ROBINSON | 12 | 5♣ | ♥4 | -2 | +0 |
| -2.3 | Round 3 | VENTIN | 6 | 3NT | ♦5 | -1 | -5 |
| -2.4 | Round 1 | TULIN | 9 | 5♦ | ♣4 | = | +0 |
| -2.4 | Round 6 | BASEGGIO | 5 | 2♥ | ♠3 | +1 | -1 |
| -2.5 | Round 6 | BASEGGIO | 2 | 4♠x | ♥3 | -3 | +0 |
| -2.7 | Round 7 | SPECTOR | 11 | 2NT | ♥3 | = | +0 |
| -2.7 | Round 8 | GUADELOUPE | 5 | 3NT | ♥K | +2 | +0 |
| -2.8 | Round 6 | BASEGGIO | 3 | 3♠ | ♦K | +1 | -1 |
| -2.8 | Round 6 | BASEGGIO | 8 | 1NT | ♥K | +1 | -1 |
| -3.1 | Round 10 | ZIMMERMANN | 22 | 2♥ | ♦10 | +3 | -10 |
| -3.4 | Round 6 | BASEGGIO | 1 | 3♥ | ♠6 | -3 | -6 |
| -3.6 | Round 7 | SPECTOR | 19 | 4♥ | ♣4 | = | +0 |
| -3.7 | Round 4 | ROBINSON | 17 | 2♣ | ♥9 | +3 | -7 |
| -3.7 | Round 10 | ZIMMERMANN | 30 | 1NT | ♦8 | = | -5 |
| -3.8 | Round 6 | BASEGGIO | 10 | 1NT | ♦J | = | +1 |
| -4.4 | Round 6 | BASEGGIO | 9 | 2♦ | ♠Q | -2 | -3 |
| -4.6 | Round 3 | VENTIN | 4 | 2♦ | ♥K | +1 | -6 |
| -4.7 | Round 9 | GILLIS | 14 | 4♠ | ♦2 | -3 | -7 |
| -5.4 | Round 4 | ROBINSON | 15 | 6♦x | ♥2 | -1 | -11 |
| -5.6 | Round 7 | SPECTOR | 14 | 4♠ | ♦7 | -1 | +2 |
| -5.8 | Round 1 | TULIN | 8 | 4♠x | ♥K | -3 | -2 |
| -6.3 | Round 4 | ROBINSON | 19 | 4♥ | ♦7 | = | -7 |
| -6.6 | Round 2 | JUAN VALDEZ | 14 | 5♣x | ♥A | -2 | -9 |
| -7.5 | Round 8 | GUADELOUPE | 1 | 4♠ | ♥K | -3 | -7 |
| -7.8 | Round 10 | ZIMMERMANN | 26 | 2♦ | ♠5 | = | -11 |
| -9.2 | Round 7 | SPECTOR | 20 | 2♦ | ♣2 | -3 | -10 |
| -9.8 | Round 6 | BASEGGIO | 7 | 3NT | ♠2 | = | -10 |
| -10.5 | Round 7 | SPECTOR | 18 | 1♥ | ♣2 | +1 | -11 |