LU Dong · BEIJING TRINERGY
208rank
-30.0Butler · 7 bds
-4.29per board
±5.3swing
-5.71vs par /bd
-3.27adjusted /bd
by round
vs par split: bidding -2.43 · play -3.29
Strength of schedule: opponents averaged +1.01/bd (a tough draw) → opponent-adjusted -3.27/bd
Card play — on target: opening leads 100.0% · declarer play 0.0% · defence 66.7%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | · |
| Declarer play | · | 0.0% (2) |
| Defence | 50.0% (2) | 100.0% (1) |
Opening leads by suit led: ♠ 100.0% (2)
vs par by strain: NT -1.00 (2) · a suit -7.60 (5)
vs par by level: part-score -2.00 (2) · game -7.20 (5)
By role: declaring -8.18/bd (-9.50 vs par · 4) · defending +0.90/bd (-0.67 vs par · 3)
By vulnerability: vulnerable -3.88/bd (-4.50 vs par · 4) · not vulnerable -4.83/bd (-7.33 vs par · 3)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Wang | V.Aronov – A.Zobu | Open | 7 | -30.0 | -4.29 | -5.71 |
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.