LEI Jun · COFCO YALONG BAY
vs par split: bidding -1.84 · play -1.22
Strength of schedule: opponents averaged +0.30/bd (a tough draw) → opponent-adjusted -0.99/bd
Card play — on target: opening leads 90.9% #79 of 579 · declarer play 76.9% #226 of 579 · defence 80.8% #446 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (5) | 83.3% (6) |
| Declarer play | 66.7% (6) | 85.7% (7) |
| Defence | 71.4% (7) | 84.2% (19) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 66.7% (3)
vs par by strain: NT -4.12 (17) · a suit -2.50 (32)
vs par by level: part-score -1.45 (20) · game -3.64 (25) · slam -7.50 (4)
By role: declaring -1.98/bd (-6.91 vs par · 23) · defending -0.69/bd (+0.35 vs par · 26)
By vulnerability: vulnerable -1.02/bd (-4.54 vs par · 26) · not vulnerable -1.61/bd (-1.39 vs par · 23)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | X.Chen | J.Bian – Y.Lian | Open | 7 | -4.5 | -0.64 | -2.29 |
| Round 3 | L.Cai | C.Li – G.Xin | Closed | 7 | -7.4 | -1.06 | -1.43 |
| Round 4 | X.Chen | R.Van Prooijen – J.Verhees | Closed | 7 | -6.6 | -0.94 | -6.14 |
| Round 5 | X.Chen | J.Hurd – J.Wooldridge | Closed | 7 | -4.8 | -0.69 | -0.71 |
| Round 6 | Y.Zhao | Y.Liang – S.Liu | Open | 7 | -15.8 | -2.26 | -5.43 |
| Round 7 | X.Chen | B.Marina – I.Coldea | Open | 7 | -9.4 | -1.34 | +0.86 |
| Round 8 | Y.Zhao | Y.Chen – J.Zhao | Closed | 7 | -15.1 | -2.16 | -6.29 |
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 |
|---|---|---|---|---|---|---|---|
| +7.4 | Round 5 | LEBRON | 4 | 3NT | ♥2 | -1 | +12 |
| +6.7 | Round 7 | ROMANIA | 15 | 4♠ | ♣K | -1 | +14 |
| +4.7 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 16 | 3NT | ♣A | +3 | +11 |
| +3.9 | Round 1 | CHINA HYX | 7 | 3NT | ♥J | +2 | +1 |
| +2.9 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 19 | 3NT | ♦5 | +2 | -17 |
| +2.1 | Round 4 | LEVINE | 26 | 4♥ | ♠7 | +3 | -12 |
| +2.0 | Round 7 | ROMANIA | 21 | 4♠ | ♣3 | -1 | +5 |
| +2.0 | Round 8 | SUZHOUTAIHU | 25 | 4♠x | ♦A | -3 | -3 |
| +1.9 | Round 5 | LEBRON | 3 | 3NT | ♠J | -2 | +6 |
| +1.8 | Round 5 | LEBRON | 1 | 3NT | ♥7 | = | +0 |
| +1.6 | Round 1 | CHINA HYX | 3 | 2♠ | ♣9 | -1 | +1 |
| +1.5 | Round 8 | SUZHOUTAIHU | 27 | 3♠ | ♥A | -1 | -2 |
| +1.3 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 17 | 2♥ | ♠K | = | -1 |
| +1.2 | Round 7 | ROMANIA | 19 | 3♦ | ♠A | +1 | +0 |
| +0.9 | Round 6 | DONGFENG FENGSHEN | 13 | 2♠ | ♥K | +1 | +0 |
| +0.8 | Round 4 | LEVINE | 28 | 3NT | ♣4 | -1 | +6 |
| +0.6 | Round 5 | LEBRON | 2 | 3♥ | ♠9 | = | +0 |
| +0.3 | Round 1 | CHINA HYX | 1 | 2♦ | ♠A | -2 | +5 |
| +0.2 | Round 1 | CHINA HYX | 5 | 3♠ | ♥3 | = | +0 |
| -0.0 | Round 4 | LEVINE | 22 | 2♥ | ♦A | +1 | +0 |
| -0.0 | Round 4 | LEVINE | 25 | 3NT | ♣4 | +2 | -12 |
| -0.0 | Round 8 | SUZHOUTAIHU | 23 | 2♠ | ♦10 | = | +0 |
| -0.4 | Round 6 | DONGFENG FENGSHEN | 14 | 4♠x | ♦K | -2 | +0 |
| -0.6 | Round 7 | ROMANIA | 17 | 2♠ | ♦8 | +1 | +0 |
| -1.0 | Round 5 | LEBRON | 7 | 4♠ | ♠6 | = | +0 |
| -1.2 | Round 8 | SUZHOUTAIHU | 24 | 4♠x | ♣9 | -2 | -4 |
| -1.3 | Round 6 | DONGFENG FENGSHEN | 11 | 2♥ | ♠4 | = | +1 |
| -1.6 | Round 6 | DONGFENG FENGSHEN | 9 | 5♣x | ♦3 | -3 | -13 |
| -1.7 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 18 | 2♥ | ♥5 | +1 | -1 |
| -1.8 | Round 8 | SUZHOUTAIHU | 28 | 4♥ | ♣3 | -1 | -10 |
| -1.9 | Round 1 | CHINA HYX | 2 | 3NT | ♥5 | -2 | -6 |
| -2.0 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 15 | 2♠ | ♦4 | = | +0 |
| -2.0 | Round 4 | LEVINE | 23 | 6♣ | ♦9 | -1 | -17 |
| -2.4 | Round 1 | CHINA HYX | 4 | 2♠ | ♥K | = | -6 |
| -2.5 | Round 4 | LEVINE | 24 | 3NT | ♠5 | +2 | +0 |
| -2.8 | Round 7 | ROMANIA | 18 | 1NT | ♠7 | +1 | +1 |
| -3.0 | Round 6 | DONGFENG FENGSHEN | 8 | 3♠ | ♣A | -3 | -7 |
| -3.5 | Round 7 | ROMANIA | 16 | 2♠x | ♣A | -3 | +3 |
| -5.0 | Round 4 | LEVINE | 27 | 2♦ | ♥J | -1 | -8 |
| -5.0 | Round 6 | DONGFENG FENGSHEN | 12 | 3NT | ♠2 | -2 | -11 |
| -5.2 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 21 | 6♠ | ♥J | +1 | +13 |
| -5.4 | Round 6 | DONGFENG FENGSHEN | 10 | 3NT | ♣5 | -2 | -8 |
| -5.8 | Round 8 | SUZHOUTAIHU | 22 | 7NTx | ♥9 | -1 | -13 |
| -5.9 | Round 5 | LEBRON | 6 | 6♣ | ♣J | +1 | -13 |
| -6.2 | Round 1 | CHINA HYX | 6 | 3NT | ♦Q | = | -11 |
| -7.4 | Round 3 | QINGDAO BRIDGE ASSOSIATION | 20 | 3♣ | ♥K | +2 | -15 |
| -9.6 | Round 5 | LEBRON | 5 | 4♥ | ♣A | = | -10 |
| -9.8 | Round 8 | SUZHOUTAIHU | 26 | 3NT | ♥10 | -1 | -12 |
| -12.4 | Round 7 | ROMANIA | 20 | 3NT | ♣4 | -1 | -17 |