DU Bing · PAN-CHINA
vs par split: bidding +0.14 · play -0.52
Strength of schedule: opponents averaged -0.45/bd (an easy draw) → opponent-adjusted -1.13/bd
Card play — on target: opening leads 90.0% #21 of 187 · declarer play 76.9% #77 of 187 · defence 95.0% #18 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 50.0% (2) | 100.0% (8) |
| Declarer play | 100.0% (2) | 72.7% (11) |
| Defence | 100.0% (6) | 92.9% (14) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 50.0% (2) · ♦ 100.0% (4) · ♣ 100.0% (2)
vs par by strain: NT -3.00 (11) · a suit +0.27 (45)
vs par by level: part-score -0.25 (16) · game -0.35 (37) · slam -1.33 (3)
By role: declaring -1.94/bd (-2.75 vs par · 36) · defending +1.58/bd (+3.90 vs par · 20)
By vulnerability: vulnerable -1.42/bd (-1.45 vs par · 29) · not vulnerable +0.11/bd (+0.78 vs par · 27)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Wang | P.Bertheau – K.Bertheau | Open | 7 | -22.4 | -3.20 | -2.00 |
| Round 2 | D.Wang | J.Liu – Y.Li | Closed | 7 | -22.3 | -3.19 | -1.14 |
| Round 3 | D.Wang | S.Sun – R.Yan | Open | 7 | -6.1 | -0.87 | -3.00 |
| Round 4 | J.Tong | T.Gotard – M.Eggeling | Open | 7 | -2.2 | -0.31 | -1.71 |
| Round 5 | D.Wang | G.Chua – C.Seet | Open | 7 | -22.7 | -3.24 | -5.29 |
| Round 6 | D.Wang | V.Isporski – M.Tokcan | Open | 7 | -9.9 | -1.41 | +1.29 |
| Round 7 | D.Wang | L.Lei – H.Ying | Open | 7 | +17.5 | +2.50 | +3.29 |
| Round 8 | D.Wang | Q.Zhou – L.Bao | Open | 7 | +30.0 | +4.29 | +5.57 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 7 | LUCKY STAR | 15 | 3♦x | ♥A | -3 | +9 |
| +10.2 | Round 6 | VALIO | 13 | 5♦x | ♥Q | = | +11 |
| +9.3 | Round 2 | CHIME | 11 | 5♥x | ♦A | -1 | +11 |
| +9.3 | Round 8 | NORCO | 26 | 4♠ | ♥Q | -1 | +12 |
| +7.5 | Round 7 | LUCKY STAR | 18 | 2♠ | ♣Q | +3 | +10 |
| +7.5 | Round 8 | NORCO | 28 | 4♥ | ♦A | = | +7 |
| +6.8 | Round 8 | NORCO | 24 | 3NT | ♦6 | -1 | +10 |
| +6.4 | Round 8 | NORCO | 25 | 6♥ | ♠9 | -1 | +11 |
| +4.5 | Round 4 | GOTARD | 28 | 1♥ | ♣6 | +1 | +5 |
| +4.3 | Round 3 | BEIJING TRINERGY | 17 | 4♦x | ♠6 | -2 | +5 |
| +3.2 | Round 5 | SINGAPORE MIXED | 1 | 4♠ | ♥3 | = | +0 |
| +2.9 | Round 4 | GOTARD | 24 | 3♥ | ♠2 | = | +1 |
| +2.9 | Round 7 | LUCKY STAR | 19 | 5♥x | ♣K | -2 | +5 |
| +2.6 | Round 3 | BEIJING TRINERGY | 15 | 2♠ | ♦Q | +1 | +0 |
| +2.6 | Round 4 | GOTARD | 27 | 2♥ | ♣K | = | +0 |
| +2.5 | Round 6 | VALIO | 8 | 3NT | ♥10 | -1 | +5 |
| +1.6 | Round 5 | SINGAPORE MIXED | 4 | 4♠ | ♠2 | +1 | +0 |
| +1.5 | Round 1 | PLATINUM CEM | 3 | 3♠ | ♣A | = | +7 |
| +1.1 | Round 6 | VALIO | 10 | 4♠ | ♦5 | = | +0 |
| +1.0 | Round 1 | PLATINUM CEM | 5 | 1♦ | ♥5 | = | +5 |
| +0.8 | Round 7 | LUCKY STAR | 20 | 4♠ | ♥3 | +1 | +0 |
| +0.8 | Round 8 | NORCO | 27 | 4♠ | ♥3 | = | +0 |
| +0.7 | Round 8 | NORCO | 23 | 3NT | ♠10 | +1 | -1 |
| +0.6 | Round 1 | PLATINUM CEM | 4 | 1NT | ♥4 | = | -1 |
| +0.6 | Round 3 | BEIJING TRINERGY | 20 | 4♠ | ♦Q | = | -1 |
| +0.4 | Round 3 | BEIJING TRINERGY | 19 | 3NT | ♣3 | = | +0 |
| +0.4 | Round 5 | SINGAPORE MIXED | 3 | 3♠ | ♥2 | = | +0 |
| +0.4 | Round 6 | VALIO | 14 | 4♥ | ♦10 | -1 | +3 |
| +0.4 | Round 7 | LUCKY STAR | 17 | 4♠ | ♦10 | = | -1 |
| -0.6 | Round 2 | CHIME | 14 | 4♠ | ♣J | +3 | +14 |
| -0.6 | Round 4 | GOTARD | 22 | 4♠ | ♦A | +1 | +0 |
| -1.1 | Round 1 | PLATINUM CEM | 6 | 4♥ | ♣K | +1 | +0 |
| -1.1 | Round 5 | SINGAPORE MIXED | 5 | 1♠ | ♦4 | = | +0 |
| -1.2 | Round 4 | GOTARD | 23 | 3NT | ♠10 | = | +0 |
| -1.4 | Round 2 | CHIME | 13 | 4♠ | ♦8 | = | -1 |
| -1.5 | Round 8 | NORCO | 22 | 4♥ | ♦6 | +1 | +0 |
| -2.0 | Round 2 | CHIME | 8 | 4♠x | ♦A | -1 | +0 |
| -2.0 | Round 7 | LUCKY STAR | 21 | 4♥x | ♦K | -1 | +0 |
| -2.1 | Round 3 | BEIJING TRINERGY | 21 | 4♥ | ♦10 | +1 | +0 |
| -2.6 | Round 7 | LUCKY STAR | 16 | 4♠ | ♣8 | = | +0 |
| -3.4 | Round 4 | GOTARD | 25 | 4♥ | ♠A | -1 | -6 |
| -4.6 | Round 1 | PLATINUM CEM | 7 | 4♠ | ♦6 | -1 | -6 |
| -4.7 | Round 3 | BEIJING TRINERGY | 16 | 2NT | ♠K | -3 | -11 |
| -5.3 | Round 5 | SINGAPORE MIXED | 6 | 4♥ | ♦8 | -1 | -9 |
| -5.9 | Round 6 | VALIO | 12 | 3NT | ♣3 | -1 | -10 |
| -6.4 | Round 6 | VALIO | 11 | 3NTx | ♥4 | = | -3 |
| -7.0 | Round 4 | GOTARD | 26 | 4♣ | ♥A | +1 | -12 |
| -7.2 | Round 3 | BEIJING TRINERGY | 18 | 4♠ | ♣Q | -3 | -14 |
| -8.3 | Round 2 | CHIME | 10 | 2♠ | ♣2 | +2 | -10 |
| -8.7 | Round 2 | CHIME | 12 | 4♥ | ♥6 | -1 | -10 |
| -9.8 | Round 1 | PLATINUM CEM | 2 | 5♣ | ♠6 | -1 | -10 |
| -10.0 | Round 1 | PLATINUM CEM | 1 | 4♠x | ♥9 | -4 | -9 |
| -10.4 | Round 5 | SINGAPORE MIXED | 2 | 3NT | ♥2 | = | -10 |
| -10.6 | Round 2 | CHIME | 9 | 1NTx | ♣Q | -3 | -12 |
| -11.1 | Round 5 | SINGAPORE MIXED | 7 | 6♠ | ♣9 | -4 | -18 |
| -11.8 | Round 6 | VALIO | 9 | 6♣ | ♦4 | -3 | +3 |