LIU Ning · SHANGHAI KEJU
255rank
+14.8Butler · 80 bds
+0.18per board
±3.5swing
-0.82vs par /bd · #596/672
+0.15adjusted /bd
by round
vs par split: bidding -0.52 · play -0.44
Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.15/bd
Card play — on target: opening leads 87.5% #162 of 671 · declarer play 86.7% #121 of 671 · defence 86.2% #292 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 87.5% (8) |
| Declarer play | · | 86.7% (15) |
| Defence | · | 86.2% (29) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 75.0% (4) · ♣ 100.0% (1)
vs par by strain: a suit -0.96 (54)
vs par by level: part-score +0.80 (25) · game -0.48 (23) · slam -10.17 (6)
By role: declaring -0.04/bd (-3.30 vs par · 40) · defending +0.41/bd (+1.65 vs par · 40)
By vulnerability: vulnerable +0.16/bd (-1.02 vs par · 45) · not vulnerable +0.22/bd (-0.57 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | F.Yu | P.Nisbet – S.Summers-Caley | Closed | 10 | +12.2 | +1.22 | -0.10 |
| Round 2 | J.Wu | B.Kasle – M.Hooda | Closed | 10 | +8.3 | +0.83 | -2.90 |
| Round 4 | F.Yu | I.Brisebois – J.Smith | Closed | 10 | +11.4 | +1.14 | +1.10 |
| Round 5 | F.Yu | Y.Zhong – X.Li | Closed | 10 | +11.4 | +1.14 | +0.60 |
| Round 10 | S.Shao | C.Chua – S.Hinge | Closed | 10 | -0.7 | -0.07 | +1.10 |
| Round 12 | B.Shan | G.Chagas – M.Villas-Boas | Open | 10 | -6.5 | -0.65 | +0.10 |
| Round 13 | S.Shao | R.Rong – M.Cao | Closed | 10 | -18.1 | -1.81 | -5.20 |
| Round 15 | J.Wu | R.Li – S.Dong | Closed | 10 | -3.2 | -0.32 | -1.30 |
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 |
|---|---|---|---|---|---|---|---|
| +8.4 | Round 13 | ZHANG | 8 | 6♠ | ♦Q | = | -11 |
| +6.5 | Round 1 | CANADA WOMEN | 8 | 3N | ♣2 | = | +7 |
| +6.3 | Round 5 | CHINA LIGHT INDUSTRY | 13 | 3N | ♠2 | -1 | +11 |
| +6.2 | Round 10 | HINGE | 2 | 6♦ | ♥K | -1 | +10 |
| +5.9 | Round 1 | CANADA WOMEN | 7 | 4♥ | ♠J | = | -1 |
| +5.0 | Round 15 | SHAN FENG | 24 | 2♥x | ♠7 | -2 | +9 |
| +5.0 | Round 15 | SHAN FENG | 30 | 3N | ♠3 | -1 | +11 |
| +4.7 | Round 4 | L'ECUYER | 8 | 4♠ | ♦Q | -2 | +6 |
| +4.5 | Round 5 | CHINA LIGHT INDUSTRY | 12 | 2♥ | ♦A | -3 | +5 |
| +4.4 | Round 1 | CANADA WOMEN | 6 | 2♥ | ♠10 | = | +5 |
| +4.3 | Round 5 | CHINA LIGHT INDUSTRY | 16 | 1Nx | ♠3 | -2 | +4 |
| +4.1 | Round 13 | ZHANG | 2 | 4♥ | ♦8 | +1 | +0 |
| +4.0 | Round 12 | HUSSEIN-CHAGAS | 24 | 1♥ | ♦A | = | -2 |
| +3.6 | Round 1 | CANADA WOMEN | 2 | 4♠ | ♦10 | -3 | +4 |
| +3.5 | Round 2 | COMPTON | 17 | 5♣ | ♠J | -1 | -4 |
| +3.5 | Round 4 | L'ECUYER | 10 | 3N | ♠6 | -1 | +6 |
| +3.2 | Round 12 | HUSSEIN-CHAGAS | 26 | 3♥ | ♣A | = | +0 |
| +3.1 | Round 4 | L'ECUYER | 1 | 3♣ | ♥K | +1 | +1 |
| +3.1 | Round 4 | L'ECUYER | 4 | 4♦ | ♥10 | = | +10 |
| +2.9 | Round 2 | COMPTON | 13 | 1N | ♦10 | +2 | +7 |
| +2.6 | Round 2 | COMPTON | 16 | 1N | ♣10 | -1 | +4 |
| +2.5 | Round 5 | CHINA LIGHT INDUSTRY | 19 | 4♣ | ♦5 | = | +1 |
| +2.2 | Round 2 | COMPTON | 18 | 2♠ | ♥A | = | +0 |
| +1.7 | Round 2 | COMPTON | 15 | 4♥ | ♦4 | +1 | +0 |
| +1.5 | Round 4 | L'ECUYER | 3 | 3N | ♥9 | +1 | -1 |
| +1.5 | Round 10 | HINGE | 7 | 2N | ♠8 | +1 | -8 |
| +1.4 | Round 1 | CANADA WOMEN | 9 | 3N | ♥10 | +2 | +0 |
| +1.4 | Round 10 | HINGE | 6 | 4♠ | ♣A | +1 | +1 |
| +1.4 | Round 15 | SHAN FENG | 28 | 1N | ♣5 | +1 | +0 |
| +1.3 | Round 4 | L'ECUYER | 9 | 2♠ | ♠6 | -1 | +4 |
| +1.2 | Round 5 | CHINA LIGHT INDUSTRY | 11 | 3♣ | ♣K | -2 | +5 |
| +1.2 | Round 10 | HINGE | 5 | 4♠ | ♥7 | +1 | +11 |
| +0.9 | Round 4 | L'ECUYER | 2 | 3N | ♦2 | +2 | +1 |
| +0.9 | Round 10 | HINGE | 1 | 1N | ♥4 | -1 | +4 |
| +0.8 | Round 2 | COMPTON | 12 | 2♠ | ♠6 | -1 | -1 |
| +0.6 | Round 1 | CANADA WOMEN | 1 | 3♦ | ♣K | +2 | +7 |
| +0.5 | Round 12 | HUSSEIN-CHAGAS | 23 | 3N | ♠K | -1 | +6 |
| +0.2 | Round 2 | COMPTON | 20 | 3N | ♠4 | +3 | -13 |
| +0.2 | Round 15 | SHAN FENG | 21 | 1♠ | ♣Q | +2 | +0 |
| +0.1 | Round 12 | HUSSEIN-CHAGAS | 22 | 3♦ | ♥10 | = | +1 |
| +0.0 | Round 10 | HINGE | 10 | 2♠ | ♣5 | = | +0 |
| +0.0 | Round 12 | HUSSEIN-CHAGAS | 21 | 3♦ | ♣5 | +1 | +1 |
| -0.0 | Round 13 | ZHANG | 9 | 4♠ | ♠2 | +1 | +0 |
| -0.2 | Round 1 | CANADA WOMEN | 4 | 3♠ | ♦Q | -1 | -1 |
| -0.2 | Round 12 | HUSSEIN-CHAGAS | 25 | 3N | ♦A | +1 | +5 |
| -0.2 | Round 13 | ZHANG | 3 | 3N | ♦10 | +1 | -1 |
| -0.2 | Round 15 | SHAN FENG | 22 | 4♠ | ♦8 | +1 | -5 |
| -0.6 | Round 5 | CHINA LIGHT INDUSTRY | 15 | 3N | ♠J | +4 | -10 |
| -0.6 | Round 5 | CHINA LIGHT INDUSTRY | 20 | 4♠ | ♣K | = | +1 |
| -0.7 | Round 1 | CANADA WOMEN | 10 | 4♥ | ♠4 | +1 | -4 |
| -0.8 | Round 4 | L'ECUYER | 6 | 4♣ | ♠J | -3 | -11 |
| -0.9 | Round 2 | COMPTON | 19 | 4♦ | ♠Q | = | +0 |
| -1.0 | Round 4 | L'ECUYER | 5 | 1N | ♦6 | -1 | +1 |
| -1.0 | Round 5 | CHINA LIGHT INDUSTRY | 14 | 2♠ | ♦9 | = | +0 |
| -1.0 | Round 15 | SHAN FENG | 29 | 4♠ | ♣A | = | +0 |
| -1.2 | Round 10 | HINGE | 3 | 2♠ | ♠3 | +2 | -1 |
| -1.2 | Round 13 | ZHANG | 1 | 4♠ | ♦J | = | +0 |
| -1.2 | Round 15 | SHAN FENG | 23 | 1N | ♥2 | -1 | -5 |
| -1.3 | Round 12 | HUSSEIN-CHAGAS | 30 | 4♥ | ♦A | -1 | -5 |
| -1.3 | Round 13 | ZHANG | 7 | 4♥ | ♠7 | +1 | +0 |
| -1.8 | Round 1 | CANADA WOMEN | 5 | 4♠ | ♣9 | -1 | -5 |
| -1.9 | Round 2 | COMPTON | 14 | 3N | ♣2 | +4 | -17 |
| -2.3 | Round 5 | CHINA LIGHT INDUSTRY | 18 | 4♠ | ♣A | -1 | -5 |
| -2.7 | Round 15 | SHAN FENG | 27 | 2N | ♦6 | -1 | -5 |
| -2.8 | Round 2 | COMPTON | 11 | 3N | ♥6 | -1 | -5 |
| -2.8 | Round 15 | SHAN FENG | 26 | 1Nx | ♦10 | = | -1 |
| -2.9 | Round 5 | CHINA LIGHT INDUSTRY | 17 | 2♠ | ♦2 | = | -6 |
| -3.1 | Round 10 | HINGE | 9 | 5♦x | ♣10 | -3 | -5 |
| -3.1 | Round 12 | HUSSEIN-CHAGAS | 27 | 4♥ | ♦Q | +1 | +5 |
| -3.1 | Round 12 | HUSSEIN-CHAGAS | 29 | 1N | ♥9 | = | -5 |
| -3.7 | Round 10 | HINGE | 4 | 3♣ | ♥6 | -1 | -1 |
| -3.9 | Round 10 | HINGE | 8 | 4♠x | ♦A | -1 | +0 |
| -4.5 | Round 13 | ZHANG | 6 | 6♣ | ♦2 | -1 | -14 |
| -4.6 | Round 13 | ZHANG | 4 | 4♠ | ♣J | +1 | +0 |
| -4.9 | Round 4 | L'ECUYER | 7 | 4♣ | ♥2 | -1 | -6 |
| -6.6 | Round 12 | HUSSEIN-CHAGAS | 28 | 4♠ | ♦K | = | -5 |
| -6.9 | Round 15 | SHAN FENG | 25 | 6♠ | ♥3 | -3 | -17 |
| -7.5 | Round 1 | CANADA WOMEN | 3 | 6♣ | ♦A | -1 | -13 |
| -8.4 | Round 13 | ZHANG | 10 | 3N | ♣A | = | -10 |
| -10.4 | Round 13 | ZHANG | 5 | 6♦ | ♣K | -1 | -16 |