PATTERSON Derek · BLACK
vs par split: bidding +2.37 · play +0.83
Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted +0.71/bd
Card play — on target: opening leads 80.0% #238 of 579 · declarer play 75.0% #242 of 579 · defence 95.0% #80 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 66.7% (6) |
| Declarer play | 50.0% (2) | 100.0% (2) |
| Defence | 100.0% (11) | 88.9% (9) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (1) · ♦ 100.0% (2) · ♣ 33.3% (3)
vs par by strain: NT +4.44 (16) · a suit +2.16 (19)
vs par by level: part-score +2.00 (13) · game +2.85 (20) · slam +14.50 (2)
By role: declaring -0.09/bd (-2.07 vs par · 15) · defending +1.54/bd (+7.15 vs par · 20)
By vulnerability: vulnerable +0.52/bd (+2.23 vs par · 17) · not vulnerable +1.15/bd (+4.11 vs par · 18)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | G.Hallberg | D.Tong – P.Li | Closed | 7 | +18.8 | +2.69 | +6.29 |
| Round 5 | W.Whittaker | P.Yeung – K.Chiu | Closed | 7 | +10.3 | +1.47 | +0.57 |
| Round 6 | W.Whittaker | R.Welland – S.Auken | Closed | 7 | +0.1 | +0.01 | +2.86 |
| Round 7 | A.Black | X.Shi – J.Shen | Open | 7 | -4.8 | -0.69 | +1.57 |
| Round 8 | P.King | G.Narkiewicz – K.Buras | Closed | 7 | +5.2 | +0.74 | +4.71 |
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 |
|---|---|---|---|---|---|---|---|
| +13.2 | Round 5 | HEY YO | 6 | 3NT | ♠8 | +4 | +17 |
| +12.2 | Round 4 | KUNMING LIJIAN | 26 | 3NT | ♣A | -3 | +17 |
| +9.1 | Round 6 | VENTIN | 11 | 2♥x | ♠4 | = | +8 |
| +5.5 | Round 5 | HEY YO | 4 | 3NT | ♣6 | = | -1 |
| +5.0 | Round 6 | VENTIN | 12 | 3NT | ♠2 | -2 | +11 |
| +5.0 | Round 8 | BRIDGE 24 | 23 | 1NT | ♠9 | -3 | +5 |
| +4.6 | Round 4 | KUNMING LIJIAN | 23 | 6♥ | ♦8 | -2 | +17 |
| +4.3 | Round 6 | VENTIN | 8 | 2♠x | ♦A | -1 | +8 |
| +4.0 | Round 8 | BRIDGE 24 | 22 | 6NT | ♥7 | -1 | +12 |
| +3.7 | Round 7 | SHENZHEN NANGANG POWER | 16 | 3♦ | ♠10 | +2 | +10 |
| +2.1 | Round 4 | KUNMING LIJIAN | 27 | 2♣ | ♣8 | +4 | +6 |
| +2.0 | Round 5 | HEY YO | 7 | 4♠ | ♣6 | +1 | +1 |
| +2.0 | Round 7 | SHENZHEN NANGANG POWER | 21 | 3♦ | ♦2 | -1 | +5 |
| +1.8 | Round 8 | BRIDGE 24 | 28 | 3NT | ♣8 | -1 | +10 |
| +1.2 | Round 8 | BRIDGE 24 | 24 | 4♠x | ♣5 | -2 | +4 |
| +0.9 | Round 8 | BRIDGE 24 | 27 | 3NT | ♠K | -1 | +4 |
| +0.7 | Round 4 | KUNMING LIJIAN | 24 | 3NT | ♠5 | = | -2 |
| +0.3 | Round 7 | SHENZHEN NANGANG POWER | 17 | 2♠ | ♥2 | +2 | +1 |
| +0.0 | Round 4 | KUNMING LIJIAN | 22 | 2♥ | ♦A | +1 | +0 |
| +0.0 | Round 4 | KUNMING LIJIAN | 25 | 3NT | ♣7 | +2 | +12 |
| -0.6 | Round 5 | HEY YO | 2 | 2♥ | ♠10 | +1 | +0 |
| -0.6 | Round 7 | SHENZHEN NANGANG POWER | 20 | 4♥ | ♣9 | +1 | -13 |
| -0.8 | Round 4 | KUNMING LIJIAN | 28 | 3NT | ♣4 | -1 | -6 |
| -1.8 | Round 7 | SHENZHEN NANGANG POWER | 18 | 1NT | ♥5 | = | +2 |
| -1.9 | Round 5 | HEY YO | 3 | 3NT | ♠J | -2 | -6 |
| -2.0 | Round 6 | VENTIN | 9 | 4♥ | ♣Q | +1 | +12 |
| -2.6 | Round 5 | HEY YO | 1 | 3NT | ♥5 | +1 | -1 |
| -2.7 | Round 6 | VENTIN | 13 | 1NT | ♠K | -2 | -2 |
| -2.9 | Round 8 | BRIDGE 24 | 26 | 3NT | ♠6 | +1 | -1 |
| -3.5 | Round 7 | SHENZHEN NANGANG POWER | 19 | 3♣ | ♠2 | -1 | -5 |
| -4.0 | Round 6 | VENTIN | 14 | 4♠x | ♦Q | -1 | -5 |
| -4.8 | Round 8 | BRIDGE 24 | 25 | 4♥ | ♠Q | = | -1 |
| -4.9 | Round 7 | SHENZHEN NANGANG POWER | 15 | 4♠ | ♣K | +2 | +11 |
| -5.3 | Round 5 | HEY YO | 5 | 4♥ | ♣A | -1 | -6 |
| -9.6 | Round 6 | VENTIN | 10 | 3♦x | ♣Q | -3 | -12 |