YANG Weidong · BEIJING MANGUANFENGYUN
278rank
+15.8Butler · 100 bds
+0.16per board
±4.9swing
+0.60vs par /bd · #119/672
-0.20adjusted /bd
by round
vs par split: bidding +0.22 · play -0.51
Strength of schedule: opponents averaged -0.35/bd (an easy draw) → opponent-adjusted -0.20/bd
Card play — on target: opening leads 64.3% #632 of 671 · declarer play 58.8% #632 of 671 · defence 73.3% #628 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 64.3% (14) |
| Declarer play | · | 58.8% (17) |
| Defence | · | 73.3% (30) |
Opening leads by suit led: ♠ 75.0% (4) · ♥ 75.0% (4) · ♦ 75.0% (4) · ♣ 0.0% (2)
vs par by strain: a suit -0.29 (68)
vs par by level: part-score -0.27 (30) · game -1.23 (31) · slam +3.71 (7)
By role: declaring -0.23/bd (-1.78 vs par · 55) · defending +0.63/bd (+3.51 vs par · 45)
By vulnerability: vulnerable +0.88/bd (+0.91 vs par · 58) · not vulnerable -0.83/bd (+0.17 vs par · 42)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | G.Han | W.Amornmeswarintara – P.Jariyanantanetr | Closed | 10 | -4.2 | -0.42 | +1.40 |
| Round 4 | W.Wei | X.Liu – S.Gu | Open | 10 | -9.3 | -0.93 | -1.20 |
| Round 5 | W.Wei | P.Lambardi – F.Macri | Open | 10 | +29.5 | +2.95 | +2.70 |
| Round 6 | W.Wei | W.Guan – Y.Ren | Open | 10 | +7.3 | +0.73 | +0.00 |
| Round 7 | J.Liu | G.Mattsson – H.Humburg | Closed | 10 | -0.7 | -0.07 | -1.60 |
| Round 9 | W.Wei | C.Wang – J.Zhu | Closed | 10 | +7.2 | +0.72 | +1.30 |
| Round 10 | B.Qiu | P.Silabhusiddhi – P.Nimityongskul | Open | 10 | -5.4 | -0.54 | +0.50 |
| Round 11 | J.Liu | C.Wang – Z.Wang | Closed | 10 | -12.4 | -1.24 | -1.80 |
| Round 12 | J.Liu | J.Thompson – W.Cho | Closed | 10 | +22.8 | +2.28 | +2.70 |
| Round 13 | J.Liu | Y.Wu – Z.Yu | Open | 10 | -19.0 | -1.90 | +2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +15.3 | Round 7 | GERMANY SENIORS 1 | 10 | 3♦x | ♥7 | -5 | +15 |
| +14.1 | Round 12 | SECOND CHANCE | 27 | 6Nx | ♣J | -4 | +16 |
| +11.3 | Round 11 | TONGJI UNIVERSITY | 14 | 6♦ | ♥K | = | -10 |
| +11.2 | Round 6 | TIANJIN | 26 | 6♠ | ♥Q | -2 | +12 |
| +10.2 | Round 5 | SOCMA | 18 | 4♠x | ♣3 | = | +10 |
| +9.9 | Round 10 | TSEP | 10 | 3N | ♣K | +1 | +11 |
| +8.1 | Round 5 | SOCMA | 13 | 6♣x | ♥J | -1 | +12 |
| +7.4 | Round 12 | SECOND CHANCE | 21 | 4♥ | ♦6 | +2 | +9 |
| +6.7 | Round 4 | TIANJIN UNION | 6 | 5♣x | ♠Q | -3 | -4 |
| +6.4 | Round 5 | SOCMA | 15 | 6♦ | ♣2 | = | -2 |
| +5.1 | Round 9 | PEKING UNIVERSITY | 29 | 2♠ | ♥K | = | +6 |
| +5.0 | Round 9 | PEKING UNIVERSITY | 30 | 4♥x | ♦10 | -2 | +4 |
| +4.8 | Round 5 | SOCMA | 17 | 1N | ♦4 | +3 | +2 |
| +4.7 | Round 11 | TONGJI UNIVERSITY | 16 | 5♠ | ♦9 | = | +0 |
| +4.5 | Round 9 | PEKING UNIVERSITY | 25 | 3N | ♠6 | -2 | +8 |
| +4.5 | Round 10 | TSEP | 1 | 1Nx | ♣5 | = | +6 |
| +4.5 | Round 13 | SUZHOU TAIHU | 6 | 6♣ | ♦2 | -1 | +14 |
| +4.0 | Round 4 | TIANJIN UNION | 4 | 3♥ | ♠9 | -1 | +11 |
| +3.7 | Round 3 | THAILAND/CBLT | 26 | 3N | ♣5 | -6 | +7 |
| +3.5 | Round 12 | SECOND CHANCE | 30 | 3♥ | ♦A | = | +0 |
| +3.4 | Round 11 | TONGJI UNIVERSITY | 11 | 3N | ♠J | +1 | +0 |
| +3.3 | Round 9 | PEKING UNIVERSITY | 22 | 2♠ | ♦J | +1 | +7 |
| +3.3 | Round 12 | SECOND CHANCE | 24 | 3N | ♠A | -1 | -3 |
| +3.2 | Round 5 | SOCMA | 19 | 2♥ | ♦5 | +2 | +2 |
| +3.1 | Round 9 | PEKING UNIVERSITY | 26 | 4♠ | ♦7 | -1 | +6 |
| +3.1 | Round 12 | SECOND CHANCE | 28 | 3♠ | ♣4 | = | +7 |
| +2.7 | Round 3 | THAILAND/CBLT | 27 | 3N | ♥9 | -1 | +5 |
| +2.1 | Round 6 | TIANJIN | 30 | 3N | ♠2 | -2 | +6 |
| +1.8 | Round 6 | TIANJIN | 24 | 1N | ♠K | = | -1 |
| +1.7 | Round 3 | THAILAND/CBLT | 28 | 2♥ | ♠4 | +2 | +6 |
| +1.5 | Round 4 | TIANJIN UNION | 3 | 3N | ♥5 | +1 | -1 |
| +1.3 | Round 3 | THAILAND/CBLT | 23 | 4♠ | ♣6 | = | -1 |
| +1.3 | Round 13 | SUZHOU TAIHU | 7 | 4♥ | ♣A | +1 | +0 |
| +1.2 | Round 6 | TIANJIN | 23 | 3♥ | ♥3 | +1 | +1 |
| +1.2 | Round 10 | TSEP | 5 | 3N | ♣J | +2 | +11 |
| +1.2 | Round 13 | SUZHOU TAIHU | 1 | 4♠ | ♣4 | = | +0 |
| +1.0 | Round 6 | TIANJIN | 22 | 1♠ | ♦K | +2 | +6 |
| +1.0 | Round 7 | GERMANY SENIORS 1 | 2 | 1N | ♦8 | = | -1 |
| +0.8 | Round 7 | GERMANY SENIORS 1 | 4 | 4♥ | ♠4 | +1 | +0 |
| +0.8 | Round 10 | TSEP | 3 | 1N | ♠6 | -2 | +1 |
| +0.8 | Round 12 | SECOND CHANCE | 25 | 3N | ♦A | +2 | +6 |
| +0.6 | Round 4 | TIANJIN UNION | 7 | 1N | ♥2 | +1 | -1 |
| +0.6 | Round 9 | PEKING UNIVERSITY | 28 | 3N | ♥J | +1 | -5 |
| +0.5 | Round 6 | TIANJIN | 29 | 1N | ♠2 | +1 | +0 |
| +0.5 | Round 10 | TSEP | 6 | 4♠ | ♣A | = | +0 |
| +0.5 | Round 12 | SECOND CHANCE | 23 | 3N | ♠A | -1 | +6 |
| +0.3 | Round 3 | THAILAND/CBLT | 22 | 3N | ♥10 | = | +5 |
| +0.2 | Round 3 | THAILAND/CBLT | 21 | 3♦ | ♦4 | +1 | +0 |
| +0.2 | Round 13 | SUZHOU TAIHU | 3 | 3N | ♦10 | +1 | +1 |
| +0.1 | Round 7 | GERMANY SENIORS 1 | 9 | 4♥ | ♦2 | +1 | +11 |
| +0.1 | Round 11 | TONGJI UNIVERSITY | 20 | 3N | ♠5 | +3 | +13 |
| +0.0 | Round 6 | TIANJIN | 28 | 3N | ♥4 | +2 | +0 |
| -0.0 | Round 7 | GERMANY SENIORS 1 | 3 | 3♦ | ♠K | -2 | -9 |
| +0.0 | Round 13 | SUZHOU TAIHU | 9 | 4♠ | ♦5 | +1 | +0 |
| -0.2 | Round 6 | TIANJIN | 27 | 4♥ | ♦K | -1 | -5 |
| -0.2 | Round 10 | TSEP | 7 | 1N | ♦7 | = | -9 |
| -0.5 | Round 5 | SOCMA | 11 | 3♣ | ♠7 | -1 | +4 |
| -0.5 | Round 5 | SOCMA | 16 | 2♠ | ♣A | = | -1 |
| -0.6 | Round 5 | SOCMA | 12 | 2♣ | ♣J | = | -1 |
| -0.6 | Round 5 | SOCMA | 20 | 4♠ | ♣A | = | +1 |
| -0.8 | Round 12 | SECOND CHANCE | 22 | 3♣ | ♥K | +1 | +0 |
| -0.9 | Round 9 | PEKING UNIVERSITY | 24 | 4♥ | ♦2 | = | +5 |
| -1.0 | Round 3 | THAILAND/CBLT | 25 | 2♠ | ♥6 | -1 | -1 |
| -1.0 | Round 5 | SOCMA | 14 | 3♦ | ♣A | = | +0 |
| -1.1 | Round 4 | TIANJIN UNION | 2 | 3N | ♦3 | = | -1 |
| -1.1 | Round 9 | PEKING UNIVERSITY | 23 | 2♠ | ♣10 | +1 | -1 |
| -1.5 | Round 13 | SUZHOU TAIHU | 5 | 3N | ♦2 | +3 | +12 |
| -1.8 | Round 7 | GERMANY SENIORS 1 | 8 | 5♦x | ♣2 | -1 | -9 |
| -1.9 | Round 3 | THAILAND/CBLT | 24 | 2N | ♥6 | -4 | -2 |
| -1.9 | Round 7 | GERMANY SENIORS 1 | 1 | 4♥ | ♥A | +2 | -1 |
| -1.9 | Round 7 | GERMANY SENIORS 1 | 7 | 4♠ | ♥4 | -1 | -6 |
| -2.2 | Round 11 | TONGJI UNIVERSITY | 13 | 2♥ | ♣3 | +1 | -2 |
| -2.3 | Round 4 | TIANJIN UNION | 10 | 1N | ♠6 | +1 | +0 |
| -2.4 | Round 11 | TONGJI UNIVERSITY | 17 | 2♠ | ♣Q | = | +0 |
| -2.5 | Round 4 | TIANJIN UNION | 9 | 3N | ♠4 | -1 | +0 |
| -2.6 | Round 10 | TSEP | 8 | 4♠ | ♦A | -1 | +1 |
| -2.9 | Round 11 | TONGJI UNIVERSITY | 15 | 4♠ | ♥A | -1 | +2 |
| -3.3 | Round 3 | THAILAND/CBLT | 30 | 5♣ | ♦K | = | +6 |
| -3.3 | Round 13 | SUZHOU TAIHU | 2 | 4♥ | ♣2 | = | +1 |
| -3.5 | Round 7 | GERMANY SENIORS 1 | 5 | 5♠ | ♦Q | -1 | -6 |
| -3.7 | Round 10 | TSEP | 4 | 3♣ | ♥J | -1 | -1 |
| -4.1 | Round 11 | TONGJI UNIVERSITY | 18 | 3♠ | ♥6 | = | -6 |
| -4.4 | Round 12 | SECOND CHANCE | 29 | 3♠ | ♦K | = | -6 |
| -4.7 | Round 12 | SECOND CHANCE | 26 | 4♥ | ♣A | -2 | -8 |
| -4.8 | Round 13 | SUZHOU TAIHU | 10 | 3N | ♦9 | -1 | -6 |
| -4.9 | Round 4 | TIANJIN UNION | 5 | 3♣ | ♣3 | -4 | -3 |
| -5.0 | Round 4 | TIANJIN UNION | 8 | 5♦x | ♣Q | -2 | -4 |
| -5.0 | Round 6 | TIANJIN | 25 | 4♥ | ♣K | -2 | -8 |
| -5.0 | Round 9 | PEKING UNIVERSITY | 21 | 3♠ | ♣8 | = | -7 |
| -5.3 | Round 6 | TIANJIN | 21 | 6♥ | ♣A | -1 | -11 |
| -6.3 | Round 4 | TIANJIN UNION | 1 | 5♦x | ♥J | -2 | -9 |
| -7.4 | Round 9 | PEKING UNIVERSITY | 27 | 4♠x | ♠4 | -2 | -10 |
| -7.6 | Round 10 | TSEP | 2 | 4♦x | ♦7 | +1 | -5 |
| -7.9 | Round 3 | THAILAND/CBLT | 29 | 3♦ | ♥Q | +2 | -11 |
| -8.2 | Round 10 | TSEP | 9 | 4♥x | ♣9 | = | -10 |
| -8.2 | Round 13 | SUZHOU TAIHU | 4 | 4♠ | ♣J | -1 | -13 |
| -8.4 | Round 13 | SUZHOU TAIHU | 8 | 6♠ | ♠3 | = | +11 |
| -8.8 | Round 7 | GERMANY SENIORS 1 | 6 | 3♥ | ♦Q | +2 | -10 |
| -8.8 | Round 11 | TONGJI UNIVERSITY | 19 | 2♠ | ♣J | +3 | -9 |
| -11.5 | Round 11 | TONGJI UNIVERSITY | 12 | 2Nx | ♥3 | +1 | -6 |