LIU Yan · CHINA LADIES
335rank
-57.6Butler · 100 bds
-0.58per board
±4.1swing
-0.46vs par /bd · #289/373
-0.52adjusted /bd
by round
vs par split: bidding -0.31 · play -0.15
Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.52/bd
Card play — on target: opening leads 78.3% #198 of 373 · declarer play 63.6% #341 of 373 · defence 81.0% #311 of 373
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (9) | 85.7% (14) |
| Declarer play | 40.0% (5) | 70.6% (17) |
| Defence | 70.8% (24) | 88.2% (34) |
Opening leads by suit led: ♠ 80.0% (5) · ♥ 71.4% (7) · ♦ 100.0% (5) · ♣ 66.7% (6)
vs par by strain: NT -0.85 (39) · a suit -0.21 (61)
vs par by level: part-score -0.76 (42) · game -0.94 (54) · slam +9.25 (4)
By role: declaring -0.95/bd (-2.95 vs par · 42) · defending -0.30/bd (+1.34 vs par · 58)
By vulnerability: vulnerable -0.81/bd (-0.77 vs par · 53) · not vulnerable -0.31/bd (-0.11 vs par · 47)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | Y.Lu | T.Charlsen – T.Hoftaniska | Open | 10 | -17.3 | -1.73 | -0.50 |
| Round 2 | Y.Lu | R.Beriashvili – G.Abzianidze | Closed | 10 | -18.7 | -1.87 | -3.50 |
| Round 3 | Y.Lu | A.Birman – P.Lakatos | Closed | 10 | -3.4 | -0.34 | -1.30 |
| Round 6 | Y.Lu | W.Olanski – V.Vainikonis | Open | 10 | -4.9 | -0.49 | -2.60 |
| Round 7 | Y.Lu | K.Martens – J.Millens | Closed | 10 | -5.0 | -0.50 | +1.40 |
| Round 8 | Y.Lu | M.Lanzarotti – R.Zaleski | Closed | 10 | +14.0 | +1.40 | +2.60 |
| Round 11 | Y.Lu | J.Harris – ROOT STEVEN | Open | 10 | -11.8 | -1.18 | -1.30 |
| Round 12 | Y.Lu | C.Yilmazbayhan – C.Oymen | Open | 10 | +3.5 | +0.35 | +1.70 |
| Round 14 | Y.Lu | T.Hanlon – H.Mcgann | Open | 10 | +12.1 | +1.21 | +0.00 |
| Round 15 | Y.Lu | C.Oursel – E.Mauberquez | Closed | 10 | -26.1 | -2.61 | -1.10 |
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 |
|---|---|---|---|---|---|---|---|
| +13.0 | Round 8 | BRENO | 4 | 6NT | ♠7 | = | +13 |
| +9.5 | Round 14 | MORAN | 2 | 6♦ | ♥K | -1 | +13 |
| +9.1 | Round 11 | HARRIS | 15 | 4♥x | ♣A | -3 | +9 |
| +7.6 | Round 12 | NONAME RED | 1 | 4♠ | ♣Q | +2 | +11 |
| +7.5 | Round 3 | GAMAX | 19 | 2♠ | ♠3 | +2 | +8 |
| +7.2 | Round 8 | BRENO | 8 | 3♦ | ♦5 | -3 | +10 |
| +6.3 | Round 11 | HARRIS | 12 | 4♠ | ♣9 | -1 | +10 |
| +5.7 | Round 6 | VYTAS | 3 | 5♣ | ♠J | = | +0 |
| +5.6 | Round 6 | VYTAS | 10 | 4♥ | ♠K | -2 | +3 |
| +5.5 | Round 15 | FRANCE B | 15 | 5♥ | ♠K | = | +11 |
| +3.7 | Round 8 | BRENO | 5 | 3♠ | ♣4 | +1 | +6 |
| +3.6 | Round 7 | JANDM | 13 | 3NT | ♠4 | +1 | +1 |
| +3.3 | Round 14 | MORAN | 7 | 1NT | ♠A | = | +5 |
| +3.0 | Round 11 | HARRIS | 11 | 4♠ | ♣5 | -2 | +5 |
| +2.9 | Round 6 | VYTAS | 4 | 2♠ | ♥6 | +2 | +10 |
| +2.7 | Round 11 | HARRIS | 14 | 3♥ | ♠A | -4 | -6 |
| +2.7 | Round 14 | MORAN | 8 | 2♠ | ♦A | -2 | +0 |
| +2.7 | Round 15 | FRANCE B | 13 | 3♠ | ♥5 | = | +0 |
| +2.4 | Round 1 | DE BOTTON | 5 | 1NT | ♣5 | +1 | +1 |
| +2.4 | Round 8 | BRENO | 2 | 5♥ | ♣A | = | +0 |
| +2.3 | Round 6 | VYTAS | 2 | 5♦ | ♠K | -2 | +6 |
| +2.2 | Round 3 | GAMAX | 15 | 2♦ | ♠8 | = | -1 |
| +2.0 | Round 2 | CHINA LADIES | 7 | 2♥ | ♣Q | -1 | -9 |
| +1.7 | Round 1 | DE BOTTON | 1 | 2♠ | ♥3 | = | -1 |
| +1.7 | Round 7 | JANDM | 18 | 2♠ | ♦J | -2 | -1 |
| +1.7 | Round 12 | NONAME RED | 8 | 2♦ | ♣J | -1 | +2 |
| +1.6 | Round 12 | NONAME RED | 9 | 2NT | ♠4 | -1 | +4 |
| +1.5 | Round 14 | MORAN | 6 | 3NT | ♠3 | -1 | +4 |
| +1.3 | Round 15 | FRANCE B | 16 | 4♠ | ♥3 | +1 | +0 |
| +1.1 | Round 12 | NONAME RED | 2 | 3♥ | ♦4 | -1 | -1 |
| +1.0 | Round 8 | BRENO | 9 | 1NT | ♠A | +1 | +0 |
| +0.6 | Round 12 | NONAME RED | 5 | 6♥ | ♠10 | +1 | +11 |
| +0.5 | Round 14 | MORAN | 10 | 4♥ | ♠6 | +2 | -13 |
| +0.3 | Round 14 | MORAN | 4 | 1NT | ♥A | +3 | -1 |
| +0.2 | Round 7 | JANDM | 11 | 4♥ | ♥4 | +1 | +0 |
| +0.2 | Round 7 | JANDM | 14 | 3NT | ♣A | +2 | +0 |
| +0.1 | Round 3 | GAMAX | 11 | 3NT | ♥3 | +1 | -1 |
| -0.1 | Round 7 | JANDM | 16 | 1NT | ♦3 | -1 | -1 |
| -0.2 | Round 2 | CHINA LADIES | 4 | 3NT | ♣Q | +1 | +1 |
| -0.2 | Round 8 | BRENO | 7 | 4♠ | ♥3 | +1 | +0 |
| -0.3 | Round 2 | CHINA LADIES | 1 | 4♠ | ♦8 | = | -3 |
| -0.4 | Round 3 | GAMAX | 17 | 3NT | ♥Q | +1 | +0 |
| -0.4 | Round 7 | JANDM | 12 | 7♠ | ♣K | = | +0 |
| -0.4 | Round 11 | HARRIS | 19 | 3♥ | ♦2 | -1 | +2 |
| -0.5 | Round 3 | GAMAX | 13 | 3NT | ♥J | +1 | +0 |
| -0.6 | Round 1 | DE BOTTON | 7 | 3NT | ♦6 | = | +1 |
| -0.6 | Round 6 | VYTAS | 6 | 5♣ | ♥10 | +1 | -11 |
| -0.6 | Round 7 | JANDM | 15 | 2♥ | ♣5 | +2 | +6 |
| -0.7 | Round 3 | GAMAX | 14 | 3NT | ♦Q | +1 | +1 |
| -0.8 | Round 6 | VYTAS | 8 | 3NT | ♠Q | -2 | -5 |
| -0.8 | Round 8 | BRENO | 3 | 2♠ | ♥6 | +1 | -7 |
| -0.8 | Round 12 | NONAME RED | 7 | 3NT | ♦2 | = | +0 |
| -0.9 | Round 14 | MORAN | 9 | 5♣ | ♠2 | +2 | -1 |
| -1.0 | Round 1 | DE BOTTON | 4 | 1NT | ♥Q | +1 | +1 |
| -1.1 | Round 1 | DE BOTTON | 3 | 4♠ | ♣K | +2 | -2 |
| -1.1 | Round 2 | CHINA LADIES | 2 | 2NT | ♠2 | +1 | +0 |
| -1.1 | Round 12 | NONAME RED | 3 | 3NT | ♣Q | +2 | -1 |
| -1.2 | Round 1 | DE BOTTON | 9 | 2♥ | ♣A | +1 | +0 |
| -1.2 | Round 2 | CHINA LADIES | 6 | 3♠ | ♥J | -1 | +0 |
| -1.2 | Round 6 | VYTAS | 9 | 5♣ | ♦Q | = | -2 |
| -1.2 | Round 7 | JANDM | 19 | 2NT | ♠9 | = | -1 |
| -1.2 | Round 14 | MORAN | 3 | 3NT | ♦4 | +2 | -1 |
| -1.4 | Round 12 | NONAME RED | 6 | 3♦ | ♦2 | -1 | -6 |
| -1.4 | Round 14 | MORAN | 5 | 3♥ | ♦A | = | -1 |
| -1.7 | Round 2 | CHINA LADIES | 5 | 4♠ | ♣Q | +2 | -11 |
| -1.7 | Round 3 | GAMAX | 20 | 4♥ | ♦2 | +1 | -13 |
| -1.9 | Round 1 | DE BOTTON | 2 | 2♠ | ♠7 | -1 | +1 |
| -2.0 | Round 1 | DE BOTTON | 8 | 4♠ | ♥6 | = | +0 |
| -2.2 | Round 3 | GAMAX | 12 | 3NT | ♥10 | = | +0 |
| -2.2 | Round 14 | MORAN | 1 | 2♠ | ♥K | -1 | -5 |
| -2.3 | Round 2 | CHINA LADIES | 9 | 4♠ | ♦K | -1 | -2 |
| -2.5 | Round 7 | JANDM | 20 | 3NT | ♦8 | +1 | +10 |
| -2.5 | Round 12 | NONAME RED | 4 | 3NT | ♠J | = | +0 |
| -2.6 | Round 15 | FRANCE B | 18 | 1NT | ♥5 | = | +1 |
| -3.1 | Round 6 | VYTAS | 1 | 1NT | ♣4 | = | -5 |
| -3.2 | Round 8 | BRENO | 10 | 5♣ | ♥J | +1 | +13 |
| -3.2 | Round 15 | FRANCE B | 17 | 4♠ | ♦Q | +1 | +0 |
| -3.3 | Round 3 | GAMAX | 16 | 4♥ | ♠6 | = | +0 |
| -3.3 | Round 12 | NONAME RED | 10 | 2♠ | ♥Q | -2 | -3 |
| -4.1 | Round 2 | CHINA LADIES | 8 | 2NT | ♠5 | +4 | +4 |
| -4.1 | Round 8 | BRENO | 6 | 3♣ | ♦A | = | -6 |
| -4.3 | Round 2 | CHINA LADIES | 10 | 3NT | ♣A | -2 | -7 |
| -4.4 | Round 3 | GAMAX | 18 | 4♥ | ♦7 | -2 | -7 |
| -4.4 | Round 11 | HARRIS | 20 | 3NT | ♥3 | +3 | -3 |
| -4.4 | Round 15 | FRANCE B | 11 | 1NT | ♣2 | +1 | -6 |
| -4.4 | Round 15 | FRANCE B | 14 | 3NT | ♠6 | = | -7 |
| -4.6 | Round 15 | FRANCE B | 12 | 4♠ | ♥A | = | +13 |
| -5.0 | Round 8 | BRENO | 1 | 3♠x | ♣A | -5 | -3 |
| -5.5 | Round 2 | CHINA LADIES | 3 | 3NT | ♥2 | -2 | -8 |
| -5.8 | Round 6 | VYTAS | 7 | 4♠x | ♦A | +1 | -8 |
| -5.9 | Round 7 | JANDM | 17 | 3NT | ♣6 | = | +0 |
| -6.0 | Round 11 | HARRIS | 13 | 1NT | ♥8 | -2 | -3 |
| -6.3 | Round 11 | HARRIS | 17 | 3NT | ♥6 | -1 | -10 |
| -6.5 | Round 1 | DE BOTTON | 10 | 1♦x | ♦2 | -3 | -5 |
| -7.1 | Round 1 | DE BOTTON | 6 | 4♠ | ♣10 | +1 | -1 |
| -7.2 | Round 11 | HARRIS | 16 | 3NT | ♥K | -2 | -6 |
| -7.2 | Round 15 | FRANCE B | 19 | 3♦ | ♥5 | +2 | -10 |
| -8.6 | Round 11 | HARRIS | 18 | 1♠ | ♦2 | -2 | -11 |
| -9.2 | Round 15 | FRANCE B | 20 | 4♠ | ♦Q | +2 | -13 |
| -9.9 | Round 6 | VYTAS | 5 | 3NT | ♣2 | -3 | -14 |