PATTERSON Derek · BLACK
vs par split: bidding -0.21 · play -0.82
Strength of schedule: opponents averaged +0.60/bd (a tough draw) → opponent-adjusted -0.02/bd
Card play — on target: opening leads 100.0% #1 of 310 · declarer play 62.5% #264 of 310 · defence 71.4% #296 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 100.0% (5) |
| Declarer play | 50.0% (2) | 66.7% (6) |
| Defence | 50.0% (2) | 75.0% (12) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 100.0% (3)
vs par by strain: NT -4.75 (8) · a suit +0.12 (26)
vs par by level: part-score +1.82 (11) · game -2.25 (20) · slam -3.33 (3)
By role: declaring -1.27/bd (-3.05 vs par · 21) · defending +0.34/bd (+2.29 vs par · 14)
By vulnerability: vulnerable -1.04/bd (-1.58 vs par · 19) · not vulnerable -0.14/bd (-0.12 vs par · 16)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | W.Whittaker | R.Schwartz – L.Fisher | Closed | 7 | -20.0 | -2.86 | -3.29 |
| Round 5 | W.Whittaker | A.Apteker – C.Gower | Closed | 7 | +2.7 | +0.39 | -0.86 |
| Round 6 | W.Whittaker | M.Prescott – A.Wilsmore | Closed | 7 | -0.2 | -0.03 | +0.43 |
| Round 7 | W.Whittaker | K.Furuta – H.Kaku | Closed | 7 | -3.9 | -0.56 | -1.00 |
| Round 8 | W.Whittaker | K.Martens – D.Filipowicz | Closed | 7 | -0.5 | -0.07 | +0.14 |
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 |
|---|---|---|---|---|---|---|---|
| +5.0 | Round 7 | JAPAN | 16 | 5♠ | ♣10 | -2 | +7 |
| +4.1 | Round 8 | ERA | 25 | 4♥ | ♦2 | -1 | +5 |
| +4.0 | Round 4 | VITAS | 28 | 4♠x | ♦K | -1 | +9 |
| +4.0 | Round 5 | SOUTH AFRICA | 7 | 6♥ | ♣5 | +1 | +1 |
| +3.9 | Round 6 | LORENTZ | 8 | 2♠ | ♦K | = | +5 |
| +3.7 | Round 8 | ERA | 26 | 2♦ | ♦3 | +2 | +11 |
| +3.2 | Round 6 | LORENTZ | 13 | 3♠ | ♥J | -1 | +5 |
| +2.3 | Round 5 | SOUTH AFRICA | 5 | 4♠ | ♣2 | -1 | +10 |
| +2.3 | Round 8 | ERA | 24 | 3♣ | ♥6 | +1 | +0 |
| +1.9 | Round 6 | LORENTZ | 14 | 2♣x | ♥A | -1 | +0 |
| +1.1 | Round 4 | VITAS | 24 | 1NT | ♥4 | = | +0 |
| +1.0 | Round 5 | SOUTH AFRICA | 1 | 4♥ | ♣A | +1 | +0 |
| +1.0 | Round 5 | SOUTH AFRICA | 6 | 6NT | ♣5 | = | -11 |
| +0.9 | Round 7 | JAPAN | 20 | Pass | +3 | ||
| +0.8 | Round 8 | ERA | 22 | 3♦ | ♠J | -1 | -2 |
| +0.7 | Round 7 | JAPAN | 17 | 4♥ | ♠3 | -2 | +7 |
| +0.2 | Round 6 | LORENTZ | 12 | 4♥ | ♠2 | +1 | +0 |
| -0.1 | Round 4 | VITAS | 25 | 3NT | ♠Q | = | +0 |
| -0.4 | Round 5 | SOUTH AFRICA | 2 | 3♣ | ♣6 | = | +1 |
| -0.6 | Round 7 | JAPAN | 19 | 1NT | ♦8 | = | +1 |
| -0.9 | Round 8 | ERA | 28 | 4♠ | ♣10 | = | -3 |
| -1.3 | Round 4 | VITAS | 26 | 2♥ | ♣Q | = | +0 |
| -2.0 | Round 7 | JAPAN | 18 | 3NT | ♦3 | +4 | -12 |
| -2.1 | Round 5 | SOUTH AFRICA | 4 | 4♠ | ♦K | -1 | -6 |
| -2.1 | Round 6 | LORENTZ | 11 | 1NT | ♥2 | +1 | -1 |
| -2.6 | Round 7 | JAPAN | 21 | 6♠ | ♦4 | = | +0 |
| -3.1 | Round 5 | SOUTH AFRICA | 3 | 4♠ | ♦J | = | -1 |
| -3.2 | Round 6 | LORENTZ | 9 | 5♦ | ♣4 | -2 | +0 |
| -3.4 | Round 8 | ERA | 27 | 4♠ | ♦Q | +1 | -1 |
| -4.1 | Round 6 | LORENTZ | 10 | 3NT | ♠4 | -1 | -6 |
| -4.9 | Round 4 | VITAS | 23 | 4♠ | ♣A | -1 | -6 |
| -5.3 | Round 7 | JAPAN | 15 | 4♠ | ♣5 | -2 | -13 |
| -7.1 | Round 8 | ERA | 23 | 3NT | ♠3 | -3 | -9 |
| -9.0 | Round 4 | VITAS | 22 | 4♥ | ♣6 | -1 | -12 |
| -9.8 | Round 4 | VITAS | 27 | 5♠ | ♥4 | -1 | -14 |