Erwin Witteveen
BBO: erwinw
| Tournament statistics | ||||||
|---|---|---|---|---|---|---|
| Boards | IMPs | IMP/bd | Butler | Butl/bd | % bds | |
| Declarer | 195 | -43 | -0.23 | -57.4 | -0.31 | 26% |
| Dummy | 190 | -14 | -0.08 | -12.1 | -0.07 | 26% |
| Defense, player leads | 177 | -10 | -0.06 | 15.9 | 0.09 | 24% |
| Defense, partner leads | 181 | -57 | -0.33 | -2.4 | -0.01 | 24% |
| Adjusted | 1 | -1 | -1.00 | 0.7 | 0.70 | 0% |
| Total | 744 | -125 | -0.18 | -55.3 | -0.08 | 100% |
| Other | Declared (pair) | Best round | Worst round | |||
| 385 | E2 R7 (+48) | E5 R1 (-70) | ||||
| Card play (DD) (positions where every card gives the same result are not counted) | Cards | Accurate | Acc % | Subopt. | Tricks lost | Lost/card |
| All cards | 2559 | 2331 | 91.09% | 228 | 259 | 0.1012 |
| Opening lead | 131 | 92 | 70.23% | 39 | 46 | 0.3511 |
| After the lead — declarer | 1598 | 1485 | 92.93% | 113 | 129 | 0.0807 |
| After the lead — defense | 830 | 754 | 90.84% | 76 | 84 | 0.1012 |
