WOLPERT Darren · CANADA OPEN
vs par split: bidding -1.90 · play +0.95
Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +1.26/bd
Card play — on target: opening leads 75.0% · declarer play 80.0% · defence 80.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 100.0% (2) |
| Declarer play | 66.7% (3) | 100.0% (2) |
| Defence | 83.3% (6) | 75.0% (4) |
Opening leads by suit led: ♥ 100.0% (2) · ♦ 50.0% (2)
vs par by strain: NT -0.09 (11) · a suit -2.00 (9)
vs par by level: part-score -0.50 (2) · game -0.33 (15) · slam -4.33 (3)
By role: declaring +1.52/bd (-5.70 vs par · 10) · defending +1.13/bd (+3.80 vs par · 10)
By vulnerability: vulnerable +3.13/bd (+2.00 vs par · 11) · not vulnerable -0.88/bd (-4.56 vs par · 9)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 12 | D.Korbel | D.Lu – Y.Wang | Open | 10 | +14.8 | +1.48 | -0.70 |
| Round 13 | D.Korbel | A.Zhu – H.Ren | Closed | 10 | +11.7 | +1.17 | -1.20 |
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 12 | BEIJING TRINERGY | 26 | 4♠ | ♥4 | = | +13 |
| +8.2 | Round 13 | TIANYA BRIDGE FATE | 6 | 6♠ | ♣K | = | -13 |
| +5.2 | Round 13 | TIANYA BRIDGE FATE | 7 | 3NT | ♦2 | -2 | +8 |
| +4.9 | Round 13 | TIANYA BRIDGE FATE | 4 | 3NT | ♠K | -1 | +12 |
| +4.7 | Round 13 | TIANYA BRIDGE FATE | 10 | 6♣ | ♠J | = | -2 |
| +3.6 | Round 12 | BEIJING TRINERGY | 24 | 3NTx | ♦J | -1 | +0 |
| +3.6 | Round 13 | TIANYA BRIDGE FATE | 5 | 2NT | ♦8 | +2 | -6 |
| +3.3 | Round 12 | BEIJING TRINERGY | 29 | 3NT | ♦9 | +2 | +12 |
| +3.2 | Round 12 | BEIJING TRINERGY | 23 | 3NT | ♣4 | +3 | -12 |
| +2.7 | Round 12 | BEIJING TRINERGY | 22 | 3♦ | ♥5 | -1 | +5 |
| +2.0 | Round 13 | TIANYA BRIDGE FATE | 2 | 3NT | ♠3 | +1 | +1 |
| +0.4 | Round 12 | BEIJING TRINERGY | 27 | 7♣ | ♠2 | = | +2 |
| -0.1 | Round 13 | TIANYA BRIDGE FATE | 8 | 3NT | ♦Q | +2 | +0 |
| -0.6 | Round 12 | BEIJING TRINERGY | 25 | 4♥ | ♠K | = | +0 |
| -0.9 | Round 12 | BEIJING TRINERGY | 28 | 4♥ | ♦A | +2 | -11 |
| -2.5 | Round 12 | BEIJING TRINERGY | 21 | 3NT | ♥6 | -1 | -5 |
| -3.6 | Round 13 | TIANYA BRIDGE FATE | 9 | 4♠ | ♥7 | +2 | -1 |
| -4.5 | Round 13 | TIANYA BRIDGE FATE | 3 | 3NT | ♠4 | = | +0 |
| -5.3 | Round 12 | BEIJING TRINERGY | 30 | 4♠ | ♣10 | +2 | -11 |
| -8.7 | Round 13 | TIANYA BRIDGE FATE | 1 | 3NT | ♠3 | -3 | -11 |