JACOB Dan · FERGANI
415rank
-7.5Butler · 100 bds
-0.07per board
±3.9swing
-0.02vs par /bd · #372/695
-0.09adjusted /bd
by round
vs par split: bidding +0.18 · play -0.20
Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.09/bd
Card play — on target: opening leads 80.8% #315 of 694 · declarer play 75.0% #330 of 694 · defence 88.0% #155 of 695
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 71.4% (7) | 84.2% (19) |
| Declarer play | 90.0% (10) | 66.7% (18) |
| Defence | 85.7% (14) | 88.9% (36) |
Opening leads by suit led: ♠ 62.5% (8) · ♥ 83.3% (6) · ♦ 100.0% (5) · ♣ 85.7% (7)
vs par by strain: NT +0.59 (29) · a suit -0.27 (71)
vs par by level: part-score +0.47 (40) · game -0.20 (54) · slam -1.67 (6)
By role: declaring -0.19/bd (-3.08 vs par · 50) · defending +0.04/bd (+3.04 vs par · 50)
By vulnerability: vulnerable -0.36/bd (-0.84 vs par · 50) · not vulnerable +0.21/bd (+0.80 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Czyzowicz | H.Peters – C.Thoolen | Open | 10 | +5.6 | +0.56 | +1.00 |
| Round 2 | J.Czyzowicz | D.Williams – J.Williams | Closed | 10 | -2.9 | -0.29 | -1.10 |
| Round 4 | J.Czyzowicz | P.Kushari – D.Majumder | Open | 10 | +26.9 | +2.69 | +3.90 |
| Round 5 | J.Czyzowicz | K.Ramaratnam – J.Shah | Open | 10 | -14.5 | -1.45 | -0.60 |
| Round 7 | J.Czyzowicz | F.Karwur – J.George | Closed | 10 | +6.8 | +0.68 | -0.90 |
| Round 8 | J.Czyzowicz | M.Ispahani – D.Greenwood | Closed | 10 | +18.7 | +1.87 | +4.60 |
| Round 10 | J.Czyzowicz | F.Brondum – J.Ron | Open | 10 | -16.0 | -1.60 | -2.90 |
| Round 11 | J.Czyzowicz | S.Cocheme – T.Gauld | Closed | 10 | -4.8 | -0.48 | -4.10 |
| Round 13 | J.Czyzowicz | K.Furuta – H.Kaku | Open | 10 | -21.4 | -2.14 | -1.00 |
| Round 14 | J.Czyzowicz | E.De Groot – G.Dragt | Open | 10 | -5.9 | -0.59 | +0.90 |
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 |
|---|---|---|---|---|---|---|---|
| +10.9 | Round 4 | DSM INDIA | 6 | 6♠ | ♥K | -2 | +13 |
| +8.5 | Round 1 | HOK | 10 | 4♠ | ♥K | = | +10 |
| +8.4 | Round 14 | BITES | 18 | 5♣x | ♠A | = | +6 |
| +7.6 | Round 10 | DENMARK | 2 | 4♠ | ♥4 | = | +0 |
| +7.2 | Round 8 | PIE | 19 | 1NTx | ♠6 | +2 | +10 |
| +6.9 | Round 4 | DSM INDIA | 5 | 3NT | ♥4 | -3 | +11 |
| +6.0 | Round 8 | PIE | 20 | 2♥ | ♣10 | +2 | +10 |
| +5.5 | Round 7 | INDONESIA | 9 | 3NTx | ♥Q | = | +4 |
| +5.2 | Round 11 | BOWLES | 12 | 4♦ | ♥K | -1 | +10 |
| +5.1 | Round 1 | HOK | 1 | 3NT | ♣K | -5 | +8 |
| +5.1 | Round 7 | INDONESIA | 8 | 4♠ | ♥A | +2 | +11 |
| +4.6 | Round 14 | BITES | 15 | 3♦ | ♠A | = | +0 |
| +4.1 | Round 4 | DSM INDIA | 10 | 6♠ | ♠2 | = | +0 |
| +3.9 | Round 2 | VALLON | 19 | 3♠ | ♦K | -1 | +12 |
| +3.8 | Round 14 | BITES | 11 | 2♣ | ♥K | -2 | +5 |
| +3.6 | Round 11 | BOWLES | 14 | 3NT | ♥9 | = | -1 |
| +3.4 | Round 11 | BOWLES | 16 | 3♦ | ♠J | +2 | -7 |
| +3.1 | Round 1 | HOK | 8 | 2♥ | ♠2 | -2 | +6 |
| +3.0 | Round 5 | TEXAN ACES | 15 | 6♥ | ♣J | = | +0 |
| +2.9 | Round 1 | HOK | 7 | 3NT | ♠2 | +1 | +1 |
| +2.8 | Round 4 | DSM INDIA | 9 | 4♥ | ♦A | -1 | +6 |
| +2.8 | Round 5 | TEXAN ACES | 18 | 2♥ | ♣5 | -2 | -1 |
| +2.3 | Round 8 | PIE | 13 | 4♥ | ♦7 | +1 | +4 |
| +2.0 | Round 8 | PIE | 16 | 4♥ | ♠Q | -1 | +12 |
| +1.8 | Round 2 | VALLON | 11 | 2♥ | ♦K | = | +0 |
| +1.8 | Round 4 | DSM INDIA | 8 | 2♠ | ♦K | = | +0 |
| +1.8 | Round 11 | BOWLES | 17 | 4♥ | ♣5 | -1 | +4 |
| +1.7 | Round 2 | VALLON | 20 | 6♥ | ♠A | -1 | -12 |
| +1.7 | Round 4 | DSM INDIA | 1 | 5♦ | ♥K | -3 | +6 |
| +1.7 | Round 8 | PIE | 14 | 4♥ | ♣7 | -1 | +4 |
| +1.6 | Round 10 | DENMARK | 3 | 2♠ | ♦A | -1 | +0 |
| +1.5 | Round 1 | HOK | 2 | 4♥ | ♠4 | -1 | -2 |
| +1.5 | Round 7 | INDONESIA | 3 | 3NT | ♦2 | +2 | +2 |
| +1.5 | Round 8 | PIE | 18 | 4♠ | ♥K | +1 | +0 |
| +1.3 | Round 13 | ONI | 1 | 3NT | ♠6 | +2 | +0 |
| +1.1 | Round 8 | PIE | 12 | 5♦x | ♣A | -2 | +4 |
| +1.0 | Round 2 | VALLON | 18 | 3NT | ♠2 | -1 | +5 |
| +0.8 | Round 4 | DSM INDIA | 3 | 5♦x | ♥A | -1 | +0 |
| +0.7 | Round 7 | INDONESIA | 7 | 4♠ | ♥K | = | +0 |
| +0.7 | Round 14 | BITES | 17 | 6♣ | ♠6 | = | -11 |
| +0.6 | Round 4 | DSM INDIA | 2 | 3♥ | ♣J | = | +7 |
| +0.5 | Round 7 | INDONESIA | 5 | 2♥ | ♣3 | +1 | +0 |
| +0.3 | Round 5 | TEXAN ACES | 11 | 4♠ | ♠7 | = | +0 |
| +0.2 | Round 13 | ONI | 6 | 3♥ | ♥8 | +1 | -6 |
| +0.1 | Round 5 | TEXAN ACES | 16 | 5♥ | ♠5 | +1 | +1 |
| +0.0 | Round 5 | TEXAN ACES | 12 | 4♥ | ♦2 | +1 | +0 |
| +0.0 | Round 10 | DENMARK | 10 | 1♣ | ♥7 | +3 | +0 |
| +0.0 | Round 11 | BOWLES | 19 | 3NT | ♥9 | +1 | -11 |
| -0.0 | Round 13 | ONI | 9 | 3NT | ♥3 | +2 | +13 |
| -0.1 | Round 8 | PIE | 11 | 2♣ | ♦2 | = | +2 |
| -0.1 | Round 10 | DENMARK | 7 | 2♥ | ♦A | +1 | +0 |
| -0.1 | Round 14 | BITES | 19 | 4♠ | ♥8 | +1 | +0 |
| -0.2 | Round 7 | INDONESIA | 2 | 3NT | ♥2 | +2 | -1 |
| -0.2 | Round 10 | DENMARK | 8 | 2NT | ♣6 | +1 | -6 |
| -0.4 | Round 4 | DSM INDIA | 4 | 4♥ | ♠A | +1 | -1 |
| -0.4 | Round 13 | ONI | 5 | 3NT | ♣4 | = | +1 |
| -0.5 | Round 7 | INDONESIA | 6 | 2NT | ♥10 | +1 | +4 |
| -0.5 | Round 8 | PIE | 15 | 3NT | ♦2 | +1 | -1 |
| -0.6 | Round 1 | HOK | 4 | 4♠ | ♥J | +2 | -13 |
| -0.6 | Round 7 | INDONESIA | 1 | 2♠ | ♣2 | +2 | -6 |
| -0.9 | Round 2 | VALLON | 17 | 2♥ | ♥7 | -2 | +0 |
| -1.0 | Round 2 | VALLON | 12 | 3♥ | ♣8 | = | +0 |
| -1.0 | Round 2 | VALLON | 13 | 3NT | ♣6 | +3 | -13 |
| -1.0 | Round 2 | VALLON | 15 | 1NT | ♦Q | = | +2 |
| -1.0 | Round 11 | BOWLES | 20 | 4♠ | ♣3 | +2 | -12 |
| -1.1 | Round 14 | BITES | 13 | 4♥ | ♠Q | +2 | +13 |
| -1.3 | Round 10 | DENMARK | 1 | 3NT | ♠6 | = | -2 |
| -1.4 | Round 1 | HOK | 6 | 3♣ | ♠A | +2 | +10 |
| -1.4 | Round 11 | BOWLES | 15 | 3NT | ♦5 | +2 | -1 |
| -1.5 | Round 5 | TEXAN ACES | 17 | 3♣ | ♦Q | = | +0 |
| -1.6 | Round 13 | ONI | 3 | 1NT | ♦Q | -2 | +0 |
| -1.6 | Round 14 | BITES | 14 | 3NT | ♥4 | +2 | +11 |
| -1.7 | Round 2 | VALLON | 14 | 4♠ | ♣7 | -2 | +0 |
| -1.7 | Round 13 | ONI | 4 | 1NT | ♠J | -1 | +1 |
| -2.1 | Round 5 | TEXAN ACES | 14 | 2NT | ♠7 | = | +0 |
| -2.2 | Round 10 | DENMARK | 4 | 2♠ | ♣A | -1 | +1 |
| -2.3 | Round 4 | DSM INDIA | 7 | 3♥ | ♣J | -2 | -3 |
| -2.3 | Round 11 | BOWLES | 13 | 4♥ | ♣3 | +1 | +0 |
| -2.4 | Round 7 | INDONESIA | 4 | 2♥ | ♦J | = | -6 |
| -2.4 | Round 13 | ONI | 7 | 2♠ | ♥K | +1 | +0 |
| -2.5 | Round 8 | PIE | 17 | 1NT | ♥J | = | +1 |
| -2.8 | Round 7 | INDONESIA | 10 | 5♦ | ♣10 | +1 | -17 |
| -2.8 | Round 13 | ONI | 8 | 2♠ | ♦4 | -1 | -8 |
| -2.9 | Round 5 | TEXAN ACES | 20 | 3♠ | ♦K | -4 | +5 |
| -3.0 | Round 1 | HOK | 9 | 2♥ | ♣7 | = | +0 |
| -3.4 | Round 1 | HOK | 3 | 3NT | ♦3 | +1 | -1 |
| -4.9 | Round 5 | TEXAN ACES | 19 | 5♣ | ♠A | -2 | -11 |
| -4.9 | Round 11 | BOWLES | 11 | 4NT | ♠6 | +2 | -11 |
| -5.5 | Round 14 | BITES | 12 | 5♣x | ♠4 | -1 | -8 |
| -5.7 | Round 2 | VALLON | 16 | 5♠x | ♣6 | -2 | -5 |
| -5.9 | Round 10 | DENMARK | 9 | 3♥ | ♣5 | -5 | -3 |
| -6.3 | Round 13 | ONI | 2 | 2♠ | ♣10 | = | -12 |
| -6.9 | Round 14 | BITES | 16 | 5♦x | ♥A | = | -6 |
| -7.1 | Round 1 | HOK | 5 | 3♥x | ♦A | -2 | -9 |
| -7.5 | Round 10 | DENMARK | 6 | 3NT | ♥4 | -1 | -10 |
| -7.7 | Round 13 | ONI | 10 | 3NT | ♠Q | = | +1 |
| -8.0 | Round 10 | DENMARK | 5 | 4♥ | ♠A | -1 | -9 |
| -8.2 | Round 14 | BITES | 20 | 4♥ | ♣J | = | -1 |
| -9.2 | Round 11 | BOWLES | 18 | 4♠ | ♣K | -1 | -12 |
| -9.3 | Round 5 | TEXAN ACES | 13 | 6♠ | ♣A | = | +0 |