WEI Yu · JILINDINGYUAN
vs par split: bidding -0.62 · play -0.40
Strength of schedule: opponents averaged -0.49/bd (an easy draw) → opponent-adjusted -0.52/bd
Card play — on target: opening leads 54.5% #552 of 579 · declarer play 78.6% #194 of 579 · defence 85.0% #341 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 0.0% (2) | 66.7% (9) |
| Declarer play | 80.0% (5) | 77.8% (9) |
| Defence | 100.0% (2) | 83.3% (18) |
Opening leads by suit led: ♥ 0.0% (2) · ♦ 80.0% (5) · ♣ 50.0% (4)
vs par by strain: NT -1.33 (9) · a suit -0.94 (33)
vs par by level: part-score -0.04 (22) · game -1.31 (16) · slam -5.25 (4)
By role: declaring +0.38/bd (-3.68 vs par · 22) · defending -0.48/bd (+1.90 vs par · 20)
By vulnerability: vulnerable +0.08/bd (-1.15 vs par · 20) · not vulnerable -0.13/bd (-0.91 vs par · 22)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | S.Bi | M.Sheng – K.Jin | Closed | 7 | -24.3 | -3.47 | -2.00 |
| Round 3 | S.Bi | B.Zhang – X.Li | Open | 7 | -17.5 | -2.50 | -1.57 |
| Round 5 | S.Bi | H.Weinstein – G.Chagas | Closed | 7 | +6.5 | +0.93 | +1.14 |
| Round 6 | S.Bi | J.Xing – Y.Wang | Closed | 7 | +9.1 | +1.30 | -1.86 |
| Round 7 | S.Bi | Y.Atabey – U.Suzer | Open | 7 | +18.2 | +2.60 | +1.14 |
| Round 8 | S.Bi | Y.Dai – C.Wang | Open | 7 | +6.8 | +0.97 | -3.00 |
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 |
|---|---|---|---|---|---|---|---|
| +14.4 | Round 7 | AYDIN | 16 | 2♣x | ♦5 | -6 | +13 |
| +12.4 | Round 6 | DALIAN | 10 | 4♦x | ♣A | -4 | +14 |
| +7.2 | Round 6 | DALIAN | 14 | 5♥ | ♣2 | -1 | +8 |
| +7.0 | Round 8 | BANK OF CHINA IN HAINAN | 22 | 3NT | ♣3 | +1 | +0 |
| +6.5 | Round 5 | WEINSTEIN | 6 | 7♣ | ♣5 | = | -2 |
| +6.5 | Round 6 | DALIAN | 12 | 3NT | ♠2 | +1 | +0 |
| +5.6 | Round 7 | AYDIN | 15 | 4♠ | ♦5 | +3 | -10 |
| +4.7 | Round 2 | GUANGZHOU ZHAOHENG | 11 | 4♦ | ♥K | +3 | +12 |
| +4.3 | Round 8 | BANK OF CHINA IN HAINAN | 25 | 5♦ | ♠A | = | +0 |
| +3.7 | Round 3 | CHINA OPN(B) | 16 | 3NT | ♣10 | +4 | +10 |
| +3.4 | Round 5 | WEINSTEIN | 4 | 3♠ | ♥A | = | +10 |
| +2.6 | Round 5 | WEINSTEIN | 1 | 3NT | ♥7 | +1 | +1 |
| +2.6 | Round 7 | AYDIN | 21 | 3♠ | ♦5 | = | +0 |
| +2.2 | Round 3 | CHINA OPN(B) | 17 | 2♥ | ♠K | +1 | +0 |
| +2.0 | Round 6 | DALIAN | 9 | 4♥ | ♦Q | +1 | -12 |
| +2.0 | Round 8 | BANK OF CHINA IN HAINAN | 26 | 3NT | ♠3 | = | +0 |
| +1.2 | Round 3 | CHINA OPN(B) | 18 | 2♠ | ♥Q | -1 | +2 |
| +0.6 | Round 5 | WEINSTEIN | 2 | 2♥ | ♠9 | +1 | +0 |
| +0.6 | Round 7 | AYDIN | 17 | 2♠ | ♦J | +1 | +0 |
| -0.4 | Round 5 | WEINSTEIN | 5 | 2♠ | ♥K | -3 | +0 |
| -0.4 | Round 7 | AYDIN | 20 | 3NT | ♦7 | +3 | +12 |
| -0.9 | Round 8 | BANK OF CHINA IN HAINAN | 27 | 3♣ | ♥3 | -1 | -4 |
| -1.2 | Round 8 | BANK OF CHINA IN HAINAN | 24 | 4♠x | ♣9 | -2 | -4 |
| -1.5 | Round 2 | GUANGZHOU ZHAOHENG | 8 | 2♠ | ♥K | -1 | +2 |
| -1.8 | Round 7 | AYDIN | 18 | 2NT | ♦5 | -1 | -5 |
| -1.8 | Round 8 | BANK OF CHINA IN HAINAN | 28 | 3NT | ♣6 | -1 | -10 |
| -2.0 | Round 5 | WEINSTEIN | 7 | 4♠ | ♣3 | +1 | -1 |
| -2.4 | Round 2 | GUANGZHOU ZHAOHENG | 14 | 2♠ | ♦K | = | +0 |
| -2.6 | Round 8 | BANK OF CHINA IN HAINAN | 23 | 2♥ | ♠10 | -2 | -3 |
| -2.8 | Round 7 | AYDIN | 19 | 3♠ | ♣10 | -2 | -2 |
| -2.9 | Round 3 | CHINA OPN(B) | 15 | 2♠ | ♦3 | +1 | -1 |
| -3.1 | Round 2 | GUANGZHOU ZHAOHENG | 9 | 5♣ | ♦A | = | +0 |
| -4.2 | Round 5 | WEINSTEIN | 3 | 3♣ | ♦5 | +1 | +0 |
| -4.3 | Round 6 | DALIAN | 8 | 2♠ | ♣A | -2 | -8 |
| -4.5 | Round 2 | GUANGZHOU ZHAOHENG | 12 | 3♣ | ♣3 | +1 | -7 |
| -5.0 | Round 6 | DALIAN | 13 | 4♠ | ♥A | -1 | -6 |
| -5.2 | Round 3 | CHINA OPN(B) | 21 | 6♠ | ♥J | +1 | +13 |
| -6.6 | Round 3 | CHINA OPN(B) | 20 | 2♥ | ♦A | -2 | -15 |
| -8.0 | Round 2 | GUANGZHOU ZHAOHENG | 10 | 6♦ | ♥5 | -1 | -12 |
| -9.5 | Round 2 | GUANGZHOU ZHAOHENG | 13 | 5♥x | ♥4 | +1 | -9 |
| -9.7 | Round 6 | DALIAN | 11 | 4♣x | ♣2 | = | -9 |
| -9.9 | Round 3 | CHINA OPN(B) | 19 | 6NT | ♠2 | -1 | -20 |