WEI Yu · JILINDINGYUAN
vs par split: bidding +2.09 · play -0.54
Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted +0.78/bd
Card play — on target: opening leads 72.7% #197 of 310 · declarer play 75.0% #162 of 310 · defence 78.3% #240 of 311
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 72.7% (11) |
| Declarer play | · | 75.0% (4) |
| Defence | 75.0% (4) | 78.9% (19) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 50.0% (2) · ♦ 80.0% (5) · ♣ 100.0% (2)
vs par by strain: NT +4.67 (6) · a suit +0.90 (29)
vs par by level: part-score +0.84 (19) · game +0.71 (14) · slam +14.00 (2)
By role: declaring +0.30/bd (-1.50 vs par · 12) · defending +1.19/bd (+3.13 vs par · 23)
By vulnerability: vulnerable +0.90/bd (+2.65 vs par · 17) · not vulnerable +0.87/bd (+0.50 vs par · 18)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | S.Bi | W.Lai – K.Mak | Closed | 7 | +0.9 | +0.13 | +2.86 |
| Round 3 | S.Bi | A.Wilsmore – M.Prescott | Closed | 7 | +4.3 | +0.61 | +1.00 |
| Round 5 | S.Bi | G.Venkatesh – J.Shah | Open | 7 | +21.5 | +3.07 | +3.86 |
| Round 6 | S.Bi | P.Balakrishnan – R.Tewari | Open | 7 | +2.8 | +0.40 | -0.43 |
| Round 8 | S.Bi | H.Shi – Z.Zhuang | Closed | 7 | +1.4 | +0.20 | +0.43 |
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 |
|---|---|---|---|---|---|---|---|
| +15.1 | Round 5 | TEXAN ACES | 7 | 6♣ | ♦9 | -2 | +17 |
| +8.6 | Round 8 | CHINA OPN(A) | 28 | 3♠ | ♣7 | +1 | +8 |
| +5.7 | Round 3 | LORENTZ | 16 | 3♥ | ♦J | -1 | +10 |
| +5.6 | Round 6 | FORMIDABLES | 14 | 4♠ | ♠4 | = | +7 |
| +5.2 | Round 2 | HK ZEN | 13 | 4♠ | ♥5 | +2 | +17 |
| +4.1 | Round 2 | HK ZEN | 9 | 3♥x | ♠2 | -2 | +4 |
| +4.1 | Round 6 | FORMIDABLES | 10 | 3NT | ♥Q | -1 | +6 |
| +3.6 | Round 3 | LORENTZ | 18 | 4♥ | ♦5 | -1 | +0 |
| +3.6 | Round 5 | TEXAN ACES | 5 | 3♣x | ♦7 | -1 | -6 |
| +2.3 | Round 5 | TEXAN ACES | 3 | 3NT | ♦J | = | +0 |
| +2.3 | Round 8 | CHINA OPN(A) | 24 | 3♣ | ♥2 | +1 | +0 |
| +2.2 | Round 6 | FORMIDABLES | 8 | 3♦ | ♦A | +1 | +1 |
| +2.1 | Round 5 | TEXAN ACES | 4 | 4♠ | ♦K | -1 | +6 |
| +1.4 | Round 8 | CHINA OPN(A) | 23 | 2♣ | ♠K | = | -1 |
| +1.1 | Round 2 | HK ZEN | 8 | 2♦ | ♦2 | -1 | +2 |
| +0.8 | Round 2 | HK ZEN | 11 | 1♣ | ♦4 | = | +1 |
| +0.4 | Round 5 | TEXAN ACES | 2 | 3♥ | ♣5 | -1 | -1 |
| +0.3 | Round 3 | LORENTZ | 15 | 4♥ | ♠10 | +2 | -11 |
| +0.2 | Round 8 | CHINA OPN(A) | 25 | 2♥ | ♦8 | = | +1 |
| +0.0 | Round 3 | LORENTZ | 21 | 1NT | ♥9 | +3 | +9 |
| -0.2 | Round 6 | FORMIDABLES | 12 | 4♥ | ♠8 | +1 | +0 |
| -1.0 | Round 5 | TEXAN ACES | 1 | 4♥ | ♣A | +1 | +0 |
| -1.0 | Round 5 | TEXAN ACES | 6 | 6NT | ♣9 | = | +11 |
| -1.3 | Round 3 | LORENTZ | 20 | 2NT | ♠9 | +1 | +1 |
| -1.7 | Round 3 | LORENTZ | 17 | 2♠ | ♦J | +2 | +4 |
| -2.0 | Round 2 | HK ZEN | 12 | 3♦ | ♣2 | -2 | +0 |
| -2.3 | Round 3 | LORENTZ | 19 | 4♠ | ♦K | = | -6 |
| -2.3 | Round 6 | FORMIDABLES | 11 | 4♣ | ♦6 | -1 | -4 |
| -2.5 | Round 8 | CHINA OPN(A) | 27 | 4♠ | ♦Q | = | +0 |
| -2.7 | Round 8 | CHINA OPN(A) | 22 | 2♠ | ♣Q | -1 | -6 |
| -3.2 | Round 2 | HK ZEN | 14 | 2♠ | ♥2 | +1 | -1 |
| -3.3 | Round 6 | FORMIDABLES | 9 | 4♥x | ♦K | -1 | -7 |
| -3.3 | Round 6 | FORMIDABLES | 13 | 3♣ | ♠2 | = | -6 |
| -5.1 | Round 2 | HK ZEN | 10 | 4♥ | ♠K | = | -3 |
| -5.9 | Round 8 | CHINA OPN(A) | 26 | 3NT | ♥4 | = | +1 |