LIU Ning · CHINA XHJT
vs par split: bidding -0.21 · play -0.14
Strength of schedule: opponents averaged +0.50/bd (a tough draw) → opponent-adjusted -0.62/bd
Card play — on target: opening leads 88.9% · declarer play 66.7% · defence 89.5%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 100.0% (6) |
| Declarer play | 33.3% (3) | 100.0% (3) |
| Defence | 87.5% (8) | 90.9% (11) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 75.0% (4)
vs par by strain: NT +0.18 (11) · a suit -0.71 (17)
vs par by level: part-score -2.10 (10) · game +0.79 (14) · slam +0.00 (4)
By role: declaring -0.03/bd (-2.89 vs par · 9) · defending -1.63/bd (+0.84 vs par · 19)
By vulnerability: vulnerable -0.28/bd (-1.93 vs par · 14) · not vulnerable -1.96/bd (+1.21 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | J.Bian | D.Rosenberg – A.Rosenthal | Open | 14 | -21.9 | -1.56 | +0.79 |
| Round of 32 | J.Bian | C.Willenken – H.Bertens | Open | 14 | -9.4 | -0.67 | -1.50 |
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 |
|---|---|---|---|---|---|---|---|
| +3.1 | Round of 32 | USA 2 Mixed | 23 | 6♠ | ♥K | = | +0 |
| +2.8 | Round of 32 | USA 2 Mixed | 18 | 3NT | ♦4 | -1 | +5 |
| +2.6 | Round of 32 | USA 2 Mixed | 26 | 6NT | ♣J | = | -13 |
| +0.0 | Round of 32 | USA 2 Mixed | 4 | 2♠ | ♣A | -1 | -5 |
| -0.0 | Round of 32 | USA 2 Mixed | 5 | 4♠ | ♦10 | = | +0 |
| -0.1 | Round of 32 | USA 2 Mixed | 20 | 4♠ | ♠J | = | +0 |
| -0.2 | Round of 32 | USA 2 Mixed | 6 | 2♠ | ♦4 | = | +0 |
| -0.2 | Round of 32 | USA 2 Mixed | 27 | 3NT | ♥7 | = | -1 |
| -0.4 | Round of 32 | USA 2 Mixed | 1 | 4♥ | ♣K | +1 | +0 |
| -0.4 | Round of 32 | USA 2 Mixed | 14 | 3NT | ♣7 | = | +1 |
| -0.5 | Round of 32 | USA 2 Mixed | 15 | 4♠ | ♣3 | = | +0 |
| -0.5 | Round of 32 | USA 2 Mixed | 16 | 1NT | ♣9 | = | -2 |
| -0.5 | Round of 32 | USA 2 Mixed | 22 | 5♣ | ♠6 | = | -1 |
| -0.5 | Round of 32 | USA 2 Mixed | 24 | 4♥ | ♠6 | -1 | +2 |
| -0.8 | Round of 32 | USA 2 Mixed | 9 | 2♦ | ♣A | = | +1 |
| -1.0 | Round of 32 | USA 2 Mixed | 10 | 1NT | ♠K | +1 | +0 |
| -1.2 | Round of 32 | USA 2 Mixed | 12 | 3♦ | ♥2 | = | +0 |
| -1.3 | Round of 32 | USA 2 Mixed | 8 | 4♠ | ♥7 | +2 | +11 |
| -1.4 | Round of 32 | USA 2 Mixed | 21 | 1NT | ♦4 | +1 | -1 |
| -1.5 | Round of 32 | USA 2 Mixed | 7 | 4♥ | ♣6 | = | +1 |
| -1.6 | Round of 32 | USA 2 Mixed | 2 | 3♥ | ♦2 | -1 | -12 |
| -1.7 | Round of 32 | USA 2 Mixed | 11 | 6NT | ♥5 | = | +0 |
| -2.4 | Round of 32 | USA 2 Mixed | 13 | 1NT | ♣4 | = | +1 |
| -2.7 | Round of 32 | USA 2 Mixed | 28 | 2♠ | ♦K | +3 | -3 |
| -3.6 | Round of 32 | USA 2 Mixed | 17 | 4♠ | ♥6 | +1 | +0 |
| -3.8 | Round of 32 | USA 2 Mixed | 19 | 3NT | ♣2 | +3 | -1 |
| -4.1 | Round of 32 | USA 2 Mixed | 25 | 4♥x | ♠Q | -1 | -6 |
| -9.4 | Round of 32 | USA 2 Mixed | 3 | 6NT | ♠4 | = | +13 |