ZHUANG Zejun · CHINA OPEN
74rank
-27.7Butler · 28 bds
-0.99per board
±4.8swing
-1.52adjusted /bd
by round
Strength of schedule: opponents averaged -0.53/bd (an easy draw) → opponent-adjusted -1.52/bd
By role: declaring -0.63/bd (14) · defending -1.35/bd (14)
By vulnerability: not vulnerable -0.99/bd (28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 16 | W.Wang | K.Karaivanov – T.Rusev | Open | 14 | -20.7 | -1.48 | · |
| Round of 16 | W.Wang | K.Karaivanov – R.Trendafilov | Open | 14 | -7.0 | -0.50 | · |
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 |
|---|---|---|---|---|---|---|---|
| +8.5 | Round of 16 | VITO | 13 | 6♦ | ♣Q | = | · |
| +7.5 | Round of 16 | VITO | 1 | 5♣ | ♥2 | -1 | · |
| +4.5 | Round of 16 | VITO | 4 | 6♥ | ♣5 | -1 | · |
| +4.5 | Round of 16 | VITO | 12 | 3N | ♥K | -3 | · |
| +3.9 | Round of 16 | VITO | 28 | 3♣ | ♠6 | -1 | · |
| +2.8 | Round of 16 | VITO | 25 | 3♠ | ♣K | = | · |
| +2.2 | Round of 16 | VITO | 20 | 5♣ | ♥A | = | · |
| +2.0 | Round of 16 | VITO | 19 | 4♠ | ♣4 | -3 | · |
| +1.3 | Round of 16 | VITO | 29 | 4♠ | ♦4 | -2 | · |
| +0.3 | Round of 16 | VITO | 22 | 4♦ | ♠Q | +1 | · |
| +0.2 | Round of 16 | VITO | 21 | 4♠ | ♦6 | +1 | · |
| -0.3 | Round of 16 | VITO | 2 | 3♠ | ♣7 | -2 | · |
| -0.5 | Round of 16 | VITO | 11 | 1♥ | ♠Q | +3 | · |
| -0.7 | Round of 16 | VITO | 6 | 3♦ | ♣8 | +2 | · |
| -0.7 | Round of 16 | VITO | 17 | 4♠ | ♥3 | = | · |
| -0.9 | Round of 16 | VITO | 14 | 2♠ | ♥A | -2 | · |
| -1.5 | Round of 16 | VITO | 18 | 3♦ | ♥Q | -1 | · |
| -1.9 | Round of 16 | VITO | 27 | 3N | ♥7 | +2 | · |
| -2.0 | Round of 16 | VITO | 3 | 1N | ♥K | -1 | · |
| -2.2 | Round of 16 | VITO | 26 | 2♠ | ♦J | = | · |
| -2.8 | Round of 16 | VITO | 16 | 4♦ | ♥J | = | · |
| -3.5 | Round of 16 | VITO | 24 | 2♥ | ♣9 | = | · |
| -4.9 | Round of 16 | VITO | 9 | 4♠ | ♦2 | = | · |
| -6.2 | Round of 16 | VITO | 5 | 4♠ | ♥Q | -1 | · |
| -7.1 | Round of 16 | VITO | 23 | 6♠ | ♣A | = | · |
| -7.8 | Round of 16 | VITO | 8 | 4♠ | ♦K | -1 | · |
| -9.3 | Round of 16 | VITO | 10 | 4♠ | ♣3 | = | · |
| -13.1 | Round of 16 | VITO | 7 | 6♠ | ♥K | -2 | · |