David Yang
BBO: hyang
| Tournament statistics | ||||||
|---|---|---|---|---|---|---|
| Boards | IMPs | IMP/bd | Butler | Butl/bd | % bds | |
| Declarer | 373 | +141 | 0.41 | 152.7 | 0.44 | 25% |
| Dummy | 346 | -133 | -0.41 | -33.1 | -0.10 | 23% |
| Defense, player leads | 378 | -100 | -0.28 | -13.7 | -0.04 | 26% |
| Defense, partner leads | 377 | -55 | -0.15 | -60.2 | -0.17 | 25% |
| Passed out | 5 | +6 | 2.00 | -1.2 | -0.41 | 0% |
| Adjusted | 1 | -3 | -3.00 | -2.0 | -2.00 | 0% |
| Total | 1480 | -144 | -0.10 | 42.4 | 0.03 | 100% |
| Other | Declared (pair) | Best round | Worst round | |||
| 719 | E3 R3 (+73) | E9 R7 (-57) | ||||
| Card play (DD) (positions where every card gives the same result are not counted) | Cards | Accurate | Acc % | Subopt. | Tricks lost | Lost/card |
| All cards | 5210 | 4803 | 92.19% | 407 | 459 | 0.0881 |
| Opening lead | 279 | 202 | 72.40% | 77 | 95 | 0.3405 |
| After the lead — declarer | 3010 | 2836 | 94.22% | 174 | 188 | 0.0625 |
| After the lead — defense | 1921 | 1765 | 91.88% | 156 | 176 | 0.0916 |
