BAO Xiangdong · SHANGHAI YITONG
121rank
-21.4Butler · 14 bds
-1.53per board
±3.8swing
-1.57vs par /bd
-1.46adjusted /bd
by round
vs par split: bidding -1.29 · play -0.29
Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -1.46/bd
Card play — on target: defence 100.0%
| vs NT | vs a suit | |
|---|---|---|
| Defence | 100.0% (2) | 100.0% (5) |
vs par by strain: NT -1.25 (4) · a suit -1.70 (10)
vs par by level: part-score +3.00 (2) · game -1.46 (11) · slam -12.00 (1)
By role: declaring -0.90/bd (-3.57 vs par · 7) · defending -2.16/bd (+0.43 vs par · 7)
By vulnerability: vulnerable -1.26/bd (+0.86 vs par · 7) · not vulnerable -1.80/bd (-4.00 vs par · 7)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | S.Liu | Z.Mahmood – M.Michielsen | Open | 14 | -21.4 | -1.53 | -1.57 |
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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +6.1 | Round of 32 | SALVO | 28 | 4♥ | ♣A | = | +0 |
| +2.0 | Round of 32 | SALVO | 20 | 4♠ | ♣2 | +1 | +10 |
| +2.0 | Round of 32 | SALVO | 24 | 3NT | ♥4 | +1 | +0 |
| +1.0 | Round of 32 | SALVO | 25 | 2♥ | ♦A | +3 | +6 |
| -0.0 | Round of 32 | SALVO | 18 | 4♠ | ♦8 | = | +0 |
| +0.0 | Round of 32 | SALVO | 19 | 2♠ | ♣J | = | +0 |
| -0.2 | Round of 32 | SALVO | 23 | 4♥ | ♦Q | = | -1 |
| -2.0 | Round of 32 | SALVO | 22 | 4♥ | ♥3 | +1 | -1 |
| -2.9 | Round of 32 | SALVO | 26 | 3NT | ♠3 | +2 | +0 |
| -3.0 | Round of 32 | SALVO | 21 | 4♠ | ♥3 | +2 | -11 |
| -3.6 | Round of 32 | SALVO | 17 | 3NT | ♥10 | = | +0 |
| -4.5 | Round of 32 | SALVO | 27 | 3NT | ♦10 | -1 | -5 |
| -6.7 | Round of 32 | SALVO | 16 | 4♠ | ♣6 | -2 | -8 |
| -9.6 | Round of 32 | SALVO | 15 | 6♦ | ♥Q | +1 | -12 |