McCALLUM Karen · USA 1 Women
vs par split: bidding +0.78 · play -0.40
Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted +0.70/bd
Card play — on target: opening leads 83.3% · declarer play 63.6% · defence 66.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 88.9% (9) |
| Declarer play | 50.0% (2) | 66.7% (9) |
| Defence | 100.0% (6) | 53.3% (15) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (3) · ♦ 50.0% (4) · ♣ 100.0% (4)
vs par by strain: NT +4.50 (8) · a suit -0.66 (32)
vs par by level: part-score -1.65 (20) · game +2.77 (17) · slam +0.33 (3)
By role: declaring -0.54/bd (-2.58 vs par · 19) · defending +1.46/bd (+3.05 vs par · 21)
By vulnerability: vulnerable +0.39/bd (+0.95 vs par · 20) · not vulnerable +0.63/bd (-0.20 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 11 | S.Dinkin | W.Song – Y.Luo | Open | 10 | +6.3 | +0.63 | +0.20 |
| Round 12 | L.Baker | M.Vanuzzi – P.Uggeri | Closed | 10 | +26.4 | +2.64 | +1.60 |
| Round 14 | L.Baker | I.Grzejdziak – S.Grzejdziak | Closed | 10 | -7.6 | -0.76 | -2.30 |
| Round 15 | L.Baker | X.Guo – Y.Huang | Open | 10 | -4.7 | -0.47 | +2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +8.5 | Round 12 | ITALY Mixed | 28 | 6♥ | ♦10 | -1 | +14 |
| +7.1 | Round 12 | ITALY Mixed | 24 | 5♣x | ♠A | -3 | +2 |
| +6.3 | Round 15 | ZHONGSHAN JIEGAO | 29 | 5♥ | ♠K | -1 | +12 |
| +5.6 | Round 12 | ITALY Mixed | 27 | 3NT | ♦3 | -1 | +10 |
| +5.2 | Round 11 | GUIZHOU ZHENGYE | 19 | 4♣ | ♥K | = | +10 |
| +5.2 | Round 15 | ZHONGSHAN JIEGAO | 27 | 3♠ | ♠8 | = | +6 |
| +5.1 | Round 11 | GUIZHOU ZHENGYE | 11 | 5♦ | ♣4 | -1 | +4 |
| +5.1 | Round 11 | GUIZHOU ZHENGYE | 15 | 4♠ | ♣Q | = | -1 |
| +4.6 | Round 11 | GUIZHOU ZHENGYE | 13 | 3NT | ♠4 | = | +10 |
| +4.0 | Round 12 | ITALY Mixed | 30 | 3♥ | ♦3 | -3 | +7 |
| +2.8 | Round 15 | ZHONGSHAN JIEGAO | 30 | 3NT | ♦3 | -1 | +5 |
| +2.7 | Round 14 | POLAND Mixed | 18 | 4♥ | ♦6 | = | +3 |
| +2.6 | Round 12 | ITALY Mixed | 25 | 6♥ | ♣A | = | -11 |
| +2.5 | Round 15 | ZHONGSHAN JIEGAO | 28 | 3NT | ♥10 | +3 | +11 |
| +2.4 | Round 12 | ITALY Mixed | 22 | 6♣ | ♦J | = | -2 |
| +2.4 | Round 14 | POLAND Mixed | 20 | 3♥ | ♦A | -1 | -1 |
| +1.8 | Round 15 | ZHONGSHAN JIEGAO | 23 | 3♥ | ♦3 | = | +1 |
| +1.5 | Round 11 | GUIZHOU ZHENGYE | 17 | 3♠ | ♥K | = | -6 |
| +1.4 | Round 14 | POLAND Mixed | 13 | 2♠ | ♦5 | = | +0 |
| +0.7 | Round 14 | POLAND Mixed | 15 | 3♠ | ♣A | +1 | -7 |
| +0.3 | Round 12 | ITALY Mixed | 26 | 3♣ | ♦Q | = | +1 |
| +0.2 | Round 15 | ZHONGSHAN JIEGAO | 24 | 3NT | ♠2 | +2 | +0 |
| -0.5 | Round 15 | ZHONGSHAN JIEGAO | 25 | 3NT | ♦A | = | -1 |
| -0.6 | Round 11 | GUIZHOU ZHENGYE | 12 | 3NT | ♣3 | = | +1 |
| -0.6 | Round 14 | POLAND Mixed | 12 | 4♠ | ♣6 | = | +0 |
| -0.8 | Round 11 | GUIZHOU ZHENGYE | 18 | 3♠ | ♣2 | = | -1 |
| -1.0 | Round 12 | ITALY Mixed | 29 | 2♠ | ♣7 | = | -1 |
| -1.1 | Round 14 | POLAND Mixed | 14 | 3♦ | ♠A | = | +0 |
| -1.2 | Round 12 | ITALY Mixed | 23 | 2♥ | ♥J | +2 | -1 |
| -1.7 | Round 14 | POLAND Mixed | 17 | 4♠ | ♦10 | +1 | +0 |
| -1.9 | Round 12 | ITALY Mixed | 21 | 2♦x | ♥A | -1 | -3 |
| -3.1 | Round 14 | POLAND Mixed | 16 | 4♠x | ♥A | -1 | -6 |
| -3.2 | Round 11 | GUIZHOU ZHENGYE | 16 | 3♥ | ♠9 | -1 | -5 |
| -3.5 | Round 14 | POLAND Mixed | 19 | 3♥ | ♣A | -2 | -5 |
| -4.8 | Round 14 | POLAND Mixed | 11 | 2♥ | ♦6 | = | -7 |
| -5.3 | Round 11 | GUIZHOU ZHENGYE | 14 | 2♠ | ♦Q | -1 | -5 |
| -5.3 | Round 11 | GUIZHOU ZHENGYE | 20 | 3♠ | ♦5 | -1 | -5 |
| -5.9 | Round 15 | ZHONGSHAN JIEGAO | 22 | 3NT | ♥6 | = | +0 |
| -8.1 | Round 15 | ZHONGSHAN JIEGAO | 26 | 5♦x | ♥10 | = | -3 |
| -9.0 | Round 15 | ZHONGSHAN JIEGAO | 21 | 2♦ | ♣J | -4 | -11 |