CLERKIN Dennis · LEVINE
75rank
+42.5Butler · 80 bds
+0.53per board
±3.6swing
+0.36vs par /bd · #149/478
+0.82adjusted /bd
by round
vs par split: bidding +0.90 · play -0.62
Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted +0.82/bd
Card play — on target: opening leads 87.5% #51 of 476 · declarer play 69.2% #370 of 478 · defence 84.8% #276 of 478
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 91.7% (12) |
| Declarer play | 76.9% (13) | 61.5% (13) |
| Defence | 87.5% (8) | 84.0% (25) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 83.3% (6) · ♦ 100.0% (6) · ♣ 100.0% (2)
vs par by strain: NT -0.23 (31) · a suit +0.73 (49)
vs par by level: part-score +0.94 (31) · game -0.07 (44) · slam +0.60 (5)
By role: declaring +1.05/bd (-0.43 vs par · 47) · defending -0.21/bd (+1.49 vs par · 33)
By vulnerability: vulnerable +0.35/bd (-0.15 vs par · 39) · not vulnerable +0.70/bd (+0.85 vs par · 41)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Clerkin | E.Lindqvist – B.Brogeland | Open | 10 | +20.9 | +2.09 | +4.20 |
| Round 2 | J.Clerkin | R.Lee – J.Mcallister | Open | 10 | -1.5 | -0.15 | -0.80 |
| Round 3 | J.Clerkin | D.Zagorin – P.Bertheau | Closed | 10 | -24.3 | -2.43 | -3.10 |
| Round 4 | J.Clerkin | S.Auken – R.Welland | Open | 10 | +17.0 | +1.70 | +1.00 |
| Round 7 | J.Clerkin | N.Fitzgibbon – A.Mesbur | Closed | 10 | +9.4 | +0.94 | +2.60 |
| Round 8 | J.Clerkin | B.Drijver – S.Brink | Open | 10 | -0.1 | -0.01 | -1.90 |
| Round 9 | J.Clerkin | K.Venkataraman – A.Goel | Open | 10 | +16.8 | +1.68 | +2.40 |
| Round 10 | J.Clerkin | A.Birman – D.Padon | Open | 10 | +4.3 | +0.43 | -1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +9.3 | Round 8 | PSZCZOLA | 7 | 3NTx | ♣K | = | +4 |
| +7.1 | Round 1 | DIAMOND | 3 | 4♥ | ♦2 | +2 | +14 |
| +6.9 | Round 10 | TULIN | 27 | 4♥ | ♥2 | = | +0 |
| +5.9 | Round 7 | TEXAN ACES | 14 | 4♠ | ♥2 | +2 | +11 |
| +5.9 | Round 9 | DHAMPUR SUGAR MILLS | 18 | 4♠ | ♥5 | -2 | +8 |
| +5.8 | Round 10 | TULIN | 22 | 4♥ | ♣3 | = | -1 |
| +5.0 | Round 1 | DIAMOND | 5 | 3♥ | ♦8 | -3 | +9 |
| +5.0 | Round 4 | MUNICH SPURS | 14 | 2♣x | ♦J | -3 | +3 |
| +4.8 | Round 7 | TEXAN ACES | 20 | 3♦ | ♥8 | -3 | +4 |
| +4.4 | Round 4 | MUNICH SPURS | 20 | 1NT | ♥3 | +2 | +2 |
| +4.4 | Round 8 | PSZCZOLA | 1 | 3NT | ♠3 | +1 | +7 |
| +4.2 | Round 8 | PSZCZOLA | 10 | 2NT | ♠10 | = | +6 |
| +4.2 | Round 9 | DHAMPUR SUGAR MILLS | 16 | 5♥x | ♠K | = | +2 |
| +4.1 | Round 9 | DHAMPUR SUGAR MILLS | 11 | 2♠ | ♠2 | -3 | +7 |
| +4.0 | Round 1 | DIAMOND | 2 | 3♥ | ♥9 | -1 | +6 |
| +4.0 | Round 4 | MUNICH SPURS | 19 | 4♥ | ♦7 | -1 | +5 |
| +3.9 | Round 4 | MUNICH SPURS | 11 | 4♦ | ♣3 | -2 | +8 |
| +3.7 | Round 2 | MCALLISTER | 15 | 4♥ | ♠A | +1 | +6 |
| +3.6 | Round 1 | DIAMOND | 6 | 3NT | ♣8 | +1 | +0 |
| +3.6 | Round 10 | TULIN | 26 | 3NT | ♥4 | = | +0 |
| +3.3 | Round 4 | MUNICH SPURS | 17 | 3NT | ♦3 | +2 | +1 |
| +3.0 | Round 9 | DHAMPUR SUGAR MILLS | 17 | 4♥ | ♠3 | +1 | +0 |
| +2.7 | Round 2 | MCALLISTER | 20 | 2♠ | ♥A | +1 | +1 |
| +2.5 | Round 1 | DIAMOND | 7 | 3NT | ♠6 | = | +0 |
| +2.4 | Round 10 | TULIN | 30 | 2♥ | ♠A | +1 | +1 |
| +2.3 | Round 4 | MUNICH SPURS | 13 | 2♦ | ♦5 | +1 | -1 |
| +2.2 | Round 7 | TEXAN ACES | 17 | 3♥ | ♦J | -1 | +4 |
| +2.0 | Round 7 | TEXAN ACES | 11 | 2NT | ♥8 | -1 | +5 |
| +1.8 | Round 2 | MCALLISTER | 17 | 3NT | ♠Q | +1 | +0 |
| +1.8 | Round 7 | TEXAN ACES | 12 | 1NT | ♠Q | -1 | +2 |
| +1.7 | Round 1 | DIAMOND | 4 | 5♦ | ♥6 | +1 | +10 |
| +1.6 | Round 2 | MCALLISTER | 11 | 2♠ | ♣Q | -3 | +1 |
| +1.6 | Round 9 | DHAMPUR SUGAR MILLS | 15 | 4♠ | ♥4 | +1 | +0 |
| +1.2 | Round 1 | DIAMOND | 1 | 3♠ | ♥J | = | +0 |
| +1.2 | Round 8 | PSZCZOLA | 2 | 1NT | ♥5 | +2 | -6 |
| +1.2 | Round 10 | TULIN | 24 | 6NT | ♣A | = | +0 |
| +0.9 | Round 9 | DHAMPUR SUGAR MILLS | 13 | 3NT | ♥10 | +1 | -1 |
| +0.7 | Round 2 | MCALLISTER | 13 | 4♥ | ♠8 | +1 | +0 |
| +0.7 | Round 9 | DHAMPUR SUGAR MILLS | 19 | 3♦ | ♥4 | = | +0 |
| +0.5 | Round 7 | TEXAN ACES | 18 | 3NT | ♥10 | +1 | -1 |
| +0.4 | Round 7 | TEXAN ACES | 13 | 6♠ | ♣2 | = | -8 |
| +0.2 | Round 10 | TULIN | 28 | 3♥ | ♣J | -1 | +2 |
| +0.1 | Round 3 | BERTHEAU | 7 | 3NT | ♥10 | +1 | +0 |
| -0.0 | Round 3 | BERTHEAU | 4 | 2♦ | ♥K | -1 | +0 |
| -0.0 | Round 3 | BERTHEAU | 9 | 3NT | ♥9 | = | -1 |
| -0.0 | Round 4 | MUNICH SPURS | 18 | 2♥ | ♣6 | = | +0 |
| -0.1 | Round 2 | MCALLISTER | 18 | 3NT | ♠J | +1 | +0 |
| -0.1 | Round 9 | DHAMPUR SUGAR MILLS | 20 | 3NT | ♦5 | +2 | +13 |
| -0.4 | Round 1 | DIAMOND | 10 | 4♥ | ♣2 | +1 | +0 |
| -0.4 | Round 4 | MUNICH SPURS | 16 | 1NT | ♠J | -1 | +0 |
| -0.5 | Round 8 | PSZCZOLA | 6 | 3NT | ♠2 | = | +0 |
| -0.5 | Round 10 | TULIN | 29 | 3NT | ♥3 | +1 | +0 |
| -0.8 | Round 2 | MCALLISTER | 14 | 3♣ | ♦3 | -1 | -4 |
| -0.8 | Round 10 | TULIN | 25 | 3NT | ♥10 | +2 | +0 |
| -0.9 | Round 3 | BERTHEAU | 8 | 3♣ | ♠K | -1 | +2 |
| -0.9 | Round 4 | MUNICH SPURS | 15 | 5♠x | ♣5 | -1 | -5 |
| -1.0 | Round 2 | MCALLISTER | 12 | 3♥ | ♥4 | = | +0 |
| -1.0 | Round 2 | MCALLISTER | 19 | 4♠ | ♣J | -1 | -12 |
| -1.0 | Round 3 | BERTHEAU | 1 | 1NTx | ♠10 | -1 | +0 |
| -1.4 | Round 1 | DIAMOND | 8 | 4♠x | ♥K | -2 | +3 |
| -1.4 | Round 9 | DHAMPUR SUGAR MILLS | 12 | 6NT | ♠2 | = | +0 |
| -1.5 | Round 7 | TEXAN ACES | 16 | 6♠ | ♥Q | = | +11 |
| -1.6 | Round 3 | BERTHEAU | 5 | 1NT | ♠2 | -2 | +0 |
| -2.1 | Round 9 | DHAMPUR SUGAR MILLS | 14 | 3♠ | ♦9 | -1 | -5 |
| -2.3 | Round 3 | BERTHEAU | 6 | 3NT | ♦3 | -1 | -5 |
| -2.4 | Round 1 | DIAMOND | 9 | 5♦ | ♥5 | = | +0 |
| -2.7 | Round 8 | PSZCZOLA | 5 | 5♠ | ♦K | = | +0 |
| -3.1 | Round 7 | TEXAN ACES | 15 | 4♥ | ♦6 | +2 | -2 |
| -3.1 | Round 8 | PSZCZOLA | 4 | 4♥ | ♠10 | -1 | -6 |
| -3.6 | Round 7 | TEXAN ACES | 19 | 4♥ | ♦K | = | +0 |
| -3.7 | Round 8 | PSZCZOLA | 9 | 3♣ | ♦2 | -3 | -4 |
| -3.8 | Round 3 | BERTHEAU | 3 | 2NT | ♥2 | +1 | -7 |
| -4.1 | Round 8 | PSZCZOLA | 3 | 3NT | ♦J | -2 | -13 |
| -4.6 | Round 4 | MUNICH SPURS | 12 | 3NT | ♠10 | -4 | -3 |
| -5.1 | Round 8 | PSZCZOLA | 8 | 4♠ | ♠8 | = | -7 |
| -5.8 | Round 10 | TULIN | 23 | 3♦ | ♣K | +1 | -7 |
| -6.1 | Round 3 | BERTHEAU | 10 | 4♥x | ♣5 | -2 | -12 |
| -8.7 | Round 3 | BERTHEAU | 2 | 4♠ | ♣9 | = | -8 |
| -8.7 | Round 10 | TULIN | 21 | 3NT | ♣4 | -1 | -10 |
| -9.1 | Round 2 | MCALLISTER | 16 | 6♠ | ♣10 | = | +0 |