LU Ya-Bin · CHEN
474rank
-19.3Butler · 100 bds
-0.19per board
±4.6swing
-0.98vs par /bd · #622/672
-0.16adjusted /bd
by round
vs par split: bidding -0.39 · play -0.80
Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.16/bd
Card play — on target: opening leads 72.7% #542 of 671 · declarer play 86.7% #129 of 671 · defence 84.6% #358 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 72.7% (11) |
| Declarer play | · | 86.7% (15) |
| Defence | · | 84.6% (26) |
Opening leads by suit led: ♠ 100.0% (3) · ♥ 66.7% (3) · ♦ 0.0% (1) · ♣ 75.0% (4)
vs par by strain: a suit -1.20 (66)
vs par by level: part-score -0.18 (33) · game -2.26 (31) · slam -1.50 (2)
By role: declaring +0.19/bd (-1.69 vs par · 58) · defending -0.72/bd (+0.00 vs par · 42)
By vulnerability: vulnerable -0.79/bd (-1.60 vs par · 60) · not vulnerable +0.70/bd (-0.05 vs par · 40)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Lin | W.Amornmeswarintara – P.Jariyanantanetr | Closed | 10 | -12.3 | -1.23 | -2.60 |
| Round 2 | K.Lin | Z.Sun – Z.Lei | Open | 10 | -5.4 | -0.54 | -3.70 |
| Round 3 | K.Lin | S.He – B.Li | Closed | 10 | -5.1 | -0.51 | +0.80 |
| Round 4 | K.Lin | J.Ge – B.Zhu | Open | 10 | -10.6 | -1.06 | -1.20 |
| Round 5 | K.Lin | M.Askgaard – K.Gjaldbaek | Open | 10 | +3.1 | +0.31 | +0.50 |
| Round 6 | K.Lin | W.Lazer – P.Gumby | Open | 10 | +7.1 | +0.71 | +0.10 |
| Round 7 | H.Yang | R.Zhang – CHEN M. Z. | Closed | 10 | +1.9 | +0.19 | -1.10 |
| Round 8 | H.Yang | B.Callaghan – M.Malysa | Open | 10 | +16.6 | +1.66 | +0.90 |
| Round 9 | K.Lin | X.Wu – Y.Wang | Closed | 10 | -4.2 | -0.42 | -0.80 |
| Round 10 | K.Lin | J.Dai – F.Gao | Open | 10 | -10.4 | -1.04 | -2.70 |
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 |
|---|---|---|---|---|---|---|---|
| +16.2 | Round 8 | CSO | 13 | 4♠ | ♦7 | +2 | +17 |
| +11.5 | Round 6 | HINGE | 21 | 6♥ | ♥5 | = | +11 |
| +9.0 | Round 9 | LIAONING | 25 | 3N | ♠J | = | +10 |
| +8.0 | Round 8 | CSO | 12 | 3N | ♣9 | = | +6 |
| +7.8 | Round 5 | DENNOR | 18 | 4♠ | ♣A | = | +7 |
| +7.3 | Round 1 | THAILAND/CBLT | 1 | 3♠ | ♦8 | = | +12 |
| +6.6 | Round 3 | HESEN FUND | 25 | 1Nx | ♠6 | +1 | +7 |
| +6.3 | Round 5 | DENNOR | 13 | 3N | ♠2 | -1 | +11 |
| +5.9 | Round 1 | THAILAND/CBLT | 7 | 4♥ | ♥3 | = | -1 |
| +5.4 | Round 4 | JIANPING CONSTRUCTION | 8 | 4♦ | ♠A | = | +7 |
| +5.0 | Round 7 | ZHANG | 8 | 5♥x | ♣A | -2 | +0 |
| +5.0 | Round 8 | CSO | 16 | 2♥ | ♥2 | = | +6 |
| +4.6 | Round 5 | DENNOR | 14 | 3♣ | ♠Q | = | +6 |
| +4.4 | Round 9 | LIAONING | 30 | 4♠x | ♣K | -1 | +6 |
| +4.1 | Round 1 | THAILAND/CBLT | 2 | 3♦ | ♣A | +1 | +5 |
| +4.1 | Round 3 | HESEN FUND | 27 | 3N | ♠Q | -2 | +6 |
| +3.9 | Round 8 | CSO | 11 | 5♣ | ♣3 | = | +3 |
| +3.6 | Round 4 | JIANPING CONSTRUCTION | 5 | 1N | ♣5 | +1 | +5 |
| +3.5 | Round 10 | SHANGHAILVCHENG | 2 | 5♦ | ♦7 | = | +0 |
| +3.4 | Round 2 | SHANGHAI GOODWAY | 19 | 3N | ♠6 | -1 | +5 |
| +2.7 | Round 4 | JIANPING CONSTRUCTION | 4 | 3♦ | ♣Q | +2 | +10 |
| +2.5 | Round 5 | DENNOR | 19 | 3♣ | ♦4 | +1 | +1 |
| +2.5 | Round 8 | CSO | 18 | 2♠ | ♦Q | +1 | +1 |
| +2.4 | Round 3 | HESEN FUND | 30 | 3♣ | ♦K | +2 | +10 |
| +2.4 | Round 6 | HINGE | 25 | 2♥ | ♦8 | = | -1 |
| +1.7 | Round 2 | SHANGHAI GOODWAY | 15 | 4♥ | ♦K | +1 | +0 |
| +1.5 | Round 2 | SHANGHAI GOODWAY | 13 | 1N | ♠6 | = | +6 |
| +1.5 | Round 7 | ZHANG | 3 | 1N | ♣K | -3 | -8 |
| +1.4 | Round 2 | SHANGHAI GOODWAY | 11 | 3♣ | ♦6 | = | -1 |
| +1.4 | Round 8 | CSO | 19 | 3♦ | ♥K | -1 | -2 |
| +1.1 | Round 8 | CSO | 14 | 2♥ | ♠2 | = | +0 |
| +1.0 | Round 6 | HINGE | 22 | 3♠ | ♦A | = | +6 |
| +0.9 | Round 7 | ZHANG | 6 | 4♥ | ♦Q | +1 | +0 |
| +0.9 | Round 9 | LIAONING | 24 | 4♥ | ♥10 | = | -5 |
| +0.8 | Round 2 | SHANGHAI GOODWAY | 12 | 2♠ | ♣7 | -1 | -1 |
| +0.8 | Round 3 | HESEN FUND | 24 | 3♣ | ♥10 | -2 | +1 |
| +0.8 | Round 4 | JIANPING CONSTRUCTION | 10 | Pass | +3 | ||
| +0.7 | Round 7 | ZHANG | 10 | 2♥ | ♣Q | +1 | +0 |
| +0.5 | Round 3 | HESEN FUND | 29 | 3N | ♥K | = | -2 |
| +0.4 | Round 6 | HINGE | 30 | 3N | ♠2 | -1 | +5 |
| +0.2 | Round 3 | HESEN FUND | 21 | 2♦ | ♦4 | +2 | +0 |
| +0.2 | Round 9 | LIAONING | 23 | 1N | ♥7 | +1 | +0 |
| +0.2 | Round 10 | SHANGHAILVCHENG | 7 | 1N | ♦7 | = | +9 |
| +0.1 | Round 7 | ZHANG | 1 | 4♥ | ♦7 | = | +1 |
| +0.0 | Round 6 | HINGE | 28 | 3N | ♣5 | +2 | +0 |
| -0.0 | Round 10 | SHANGHAILVCHENG | 10 | 1♠ | ♣5 | +1 | +0 |
| -0.1 | Round 4 | JIANPING CONSTRUCTION | 2 | 3N | ♠4 | +1 | +0 |
| -0.2 | Round 1 | THAILAND/CBLT | 4 | 3♠ | ♦Q | -1 | -1 |
| -0.2 | Round 5 | DENNOR | 12 | 1♠ | ♣4 | +1 | +0 |
| -0.2 | Round 6 | HINGE | 27 | 4♥ | ♦K | -1 | -5 |
| -0.2 | Round 7 | ZHANG | 4 | 4♥ | ♠9 | = | -1 |
| -0.4 | Round 9 | LIAONING | 28 | 5♦ | ♠A | +1 | +5 |
| -0.5 | Round 10 | SHANGHAILVCHENG | 6 | 3N | ♦Q | +1 | +0 |
| -0.6 | Round 5 | DENNOR | 20 | 4♠ | ♣A | = | +1 |
| -0.7 | Round 1 | THAILAND/CBLT | 10 | 4♥ | ♠4 | +1 | -4 |
| -0.7 | Round 2 | SHANGHAI GOODWAY | 20 | 3N | ♠2 | +2 | -13 |
| -0.7 | Round 3 | HESEN FUND | 22 | 3N | ♥2 | +1 | +5 |
| -0.8 | Round 4 | JIANPING CONSTRUCTION | 6 | 4♥ | ♥2 | -3 | -11 |
| -0.8 | Round 7 | ZHANG | 5 | 5♦ | ♣K | -1 | -3 |
| -0.8 | Round 7 | ZHANG | 9 | 4♥ | ♦K | +2 | +11 |
| -0.8 | Round 10 | SHANGHAILVCHENG | 3 | 1N | ♠6 | -2 | -1 |
| -0.9 | Round 10 | SHANGHAILVCHENG | 1 | 2N | ♠3 | -1 | -4 |
| -1.0 | Round 10 | SHANGHAILVCHENG | 4 | 1N | ♣6 | -1 | -5 |
| -1.1 | Round 2 | SHANGHAI GOODWAY | 16 | 1N | ♠J | = | +1 |
| -1.2 | Round 10 | SHANGHAILVCHENG | 5 | 3N | ♣J | +2 | -11 |
| -1.4 | Round 5 | DENNOR | 17 | 1N | ♠6 | -1 | -4 |
| -1.5 | Round 6 | HINGE | 23 | 1♣ | ♦4 | = | -2 |
| -1.6 | Round 2 | SHANGHAI GOODWAY | 18 | 4♠ | ♦2 | -1 | -4 |
| -1.6 | Round 9 | LIAONING | 27 | 2♥ | ♦9 | = | +1 |
| -1.7 | Round 1 | THAILAND/CBLT | 6 | 2N | ♣5 | = | -1 |
| -1.8 | Round 1 | THAILAND/CBLT | 5 | 4♠ | ♦A | -1 | -5 |
| -1.8 | Round 6 | HINGE | 24 | 3N | ♠Q | -1 | -5 |
| -1.8 | Round 6 | HINGE | 29 | 1N | ♦3 | -2 | -2 |
| -1.9 | Round 7 | ZHANG | 7 | 4♠ | ♥3 | -1 | -6 |
| -2.3 | Round 5 | DENNOR | 16 | 1N | ♦K | -1 | -3 |
| -2.3 | Round 10 | SHANGHAILVCHENG | 8 | 3♠ | ♦A | = | -6 |
| -2.6 | Round 7 | ZHANG | 2 | 1♥ | ♠K | -1 | -5 |
| -2.6 | Round 8 | CSO | 20 | 4♠ | ♥K | = | +0 |
| -2.9 | Round 6 | HINGE | 26 | 4♠ | ♥Q | +2 | -6 |
| -3.1 | Round 9 | LIAONING | 26 | 4♠ | ♠4 | -1 | -6 |
| -3.3 | Round 1 | THAILAND/CBLT | 8 | 3♦ | ♠Q | -1 | -4 |
| -3.3 | Round 9 | LIAONING | 22 | 2♠ | ♦6 | +1 | -7 |
| -3.4 | Round 4 | JIANPING CONSTRUCTION | 1 | 5♠ | ♦8 | -3 | -6 |
| -3.9 | Round 2 | SHANGHAI GOODWAY | 14 | 5♦ | ♣J | +2 | -18 |
| -3.9 | Round 5 | DENNOR | 11 | 1N | ♠Q | = | +0 |
| -4.3 | Round 4 | JIANPING CONSTRUCTION | 9 | 2♠ | ♦A | +2 | -2 |
| -4.9 | Round 3 | HESEN FUND | 26 | 4♣ | ♦A | +1 | -4 |
| -5.1 | Round 9 | LIAONING | 29 | 2♠ | ♥K | = | -6 |
| -5.2 | Round 9 | LIAONING | 21 | 3N | ♣7 | +2 | -6 |
| -5.5 | Round 4 | JIANPING CONSTRUCTION | 7 | 3♥ | ♣A | = | -7 |
| -6.3 | Round 3 | HESEN FUND | 28 | 4♥ | ♣6 | = | -5 |
| -6.9 | Round 2 | SHANGHAI GOODWAY | 17 | 5♣ | ♠J | = | -12 |
| -7.4 | Round 10 | SHANGHAILVCHENG | 9 | 4♥ | ♠2 | -1 | -9 |
| -7.8 | Round 3 | HESEN FUND | 23 | 1N | ♥9 | +3 | -10 |
| -8.9 | Round 8 | CSO | 17 | 3♣ | ♣7 | -1 | -12 |
| -9.0 | Round 4 | JIANPING CONSTRUCTION | 3 | 3♣ | ♥Q | = | -11 |
| -9.7 | Round 5 | DENNOR | 15 | 6♥ | ♠K | -1 | -14 |
| -10.0 | Round 8 | CSO | 15 | 3N | ♣4 | = | -10 |
| -10.3 | Round 1 | THAILAND/CBLT | 3 | 5♥ | ♠7 | -3 | -14 |
| -11.6 | Round 1 | THAILAND/CBLT | 9 | 6N | ♥10 | -1 | -13 |