QI Shengya · GZ. ZHAOHENG1
4rank
+12.7Butler · 7 bds
+1.81per board
±6.1swing
+4.00vs par /bd
+1.99adjusted /bd
by round
vs par split: bidding +4.00 · play +0.00
Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted +1.99/bd
Card play — on target: declarer play 100.0% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Declarer play | · | 100.0% (3) |
| Defence | · | 100.0% (1) |
vs par by strain: NT -1.50 (2) · a suit +6.20 (5)
vs par by level: part-score +2.25 (4) · game +2.50 (2) · slam +14.00 (1)
By role: declaring +1.35/bd (+3.83 vs par · 6) · defending +4.60/bd (+5.00 vs par · 1)
By vulnerability: vulnerable +1.02/bd (+5.00 vs par · 4) · not vulnerable +2.87/bd (+2.67 vs par · 3)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 8 | S.Wu | D.Yu – A.Zhu | Closed | 7 | +12.7 | +1.81 | +4.00 |
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.