JIN Qiwei · ZHEJIANG ZHENGYUAN
426rank
-1.0Butler · 10 bds
-0.10per board
±2.7swing
+0.00vs par /bd
+0.24adjusted /bd
by round
vs par split: bidding +2.20 · play -1.60
Strength of schedule: opponents averaged +0.34/bd (a tough draw) → opponent-adjusted +0.24/bd
Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 100.0% (1) |
| Declarer play | · | 50.0% (2) |
| Defence | · | 100.0% (2) |
Opening leads by suit led: ♠ 100.0% (1)
vs par by strain: a suit +0.60 (5)
vs par by level: part-score +1.75 (4) · game -4.00 (1)
By role: declaring -0.11/bd (+0.12 vs par · 8) · defending -0.05/bd (-0.50 vs par · 2)
By vulnerability: vulnerable +0.43/bd (+0.50 vs par · 6) · not vulnerable -0.90/bd (-0.75 vs par · 4)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | Y.Wu | E.Sophonpanich – S.Baisamut | Closed | 10 | -1.0 | -0.10 | +0.00 |
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.