TONG Jiang · PAN-CHINA
153rank
-2.2Butler · 7 bds
-0.31per board
±3.7swing
-1.71vs par /bd
-0.33adjusted /bd
by round
vs par split: bidding -2.71 · play +1.00
Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted -0.33/bd
Card play — on target: declarer play 50.0% · defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Declarer play | · | 50.0% (2) |
| Defence | 100.0% (1) | 100.0% (1) |
vs par by strain: NT +0.00 (1) · a suit -2.00 (6)
vs par by level: part-score -1.50 (4) · game -2.00 (3)
By role: declaring -0.08/bd (-2.40 vs par · 5) · defending -0.90/bd (+0.00 vs par · 2)
By vulnerability: vulnerable -3.05/bd (-4.50 vs par · 4) · not vulnerable +3.33/bd (+2.00 vs par · 3)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 4 | B.Du | T.Gotard – M.Eggeling | Open | 7 | -2.2 | -0.31 | -1.71 |
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.