DAI Yongsheng · BANK OF CHINA IN HAINAN
vs par split: bidding +1.40 · play -0.11
Strength of schedule: opponents averaged +0.43/bd (a tough draw) → opponent-adjusted -0.49/bd
Card play — on target: opening leads 58.3% #531 of 579 · declarer play 83.3% #129 of 579 · defence 82.6% #407 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (3) | 55.6% (9) |
| Declarer play | 0.0% (1) | 100.0% (5) |
| Defence | 71.4% (7) | 87.5% (16) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 25.0% (4) · ♦ 100.0% (2) · ♣ 75.0% (4)
vs par by strain: NT -1.30 (10) · a suit +2.32 (25)
vs par by level: part-score +1.44 (9) · game +1.17 (24) · slam +2.00 (2)
By role: declaring -2.39/bd (-4.25 vs par · 12) · defending -0.14/bd (+4.17 vs par · 23)
By vulnerability: vulnerable +0.03/bd (+2.18 vs par · 17) · not vulnerable -1.81/bd (+0.44 vs par · 18)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | C.Wang | F.Fantoni – C.Nunes | Open | 7 | -5.0 | -0.71 | -2.43 |
| Round 4 | H.Xue | J.Chen – C.Lin | Closed | 7 | -2.4 | -0.34 | +4.71 |
| Round 5 | C.Wang | J.Wang – H.Cui | Open | 7 | -19.8 | -2.83 | -2.43 |
| Round 6 | C.Wang | Z.Wang – D.Zou | Open | 7 | +2.0 | +0.29 | +3.57 |
| Round 8 | C.Wang | S.Bi – Y.Wei | 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 |
|---|---|---|---|---|---|---|---|
| +5.4 | Round 6 | HEILONGJIANG TEAM | 10 | 4♠x | ♦A | -1 | +8 |
| +5.3 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 5 | 4♥ | ♣K | -1 | +6 |
| +5.0 | Round 6 | HEILONGJIANG TEAM | 13 | 2♠ | ♥A | -1 | +6 |
| +3.5 | Round 6 | HEILONGJIANG TEAM | 12 | 4♠ | ♦8 | -1 | +10 |
| +2.8 | Round 6 | HEILONGJIANG TEAM | 14 | 5♣ | ♣2 | = | +3 |
| +2.6 | Round 1 | MONACO | 4 | 1NT | ♣6 | -1 | -1 |
| +2.6 | Round 8 | JILINDINGYUAN | 23 | 2♥ | ♠10 | -2 | +3 |
| +2.2 | Round 1 | MONACO | 7 | 5♣ | ♦A | = | -1 |
| +2.0 | Round 4 | CTBA | 23 | 6♣ | ♦10 | -1 | +17 |
| +1.8 | Round 8 | JILINDINGYUAN | 28 | 3NT | ♣6 | -1 | +10 |
| +1.2 | Round 8 | JILINDINGYUAN | 24 | 4♠x | ♣9 | -2 | +4 |
| +1.0 | Round 4 | CTBA | 25 | 3NT | ♥K | +1 | +12 |
| +0.9 | Round 8 | JILINDINGYUAN | 27 | 3♣ | ♥3 | -1 | +4 |
| +0.7 | Round 4 | CTBA | 24 | 5♦ | ♠4 | = | -2 |
| +0.3 | Round 1 | MONACO | 1 | 3♦ | ♠A | -2 | +5 |
| +0.2 | Round 1 | MONACO | 5 | 1NT | ♥5 | +2 | +0 |
| +0.2 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 3 | 4♥ | ♦6 | -1 | +5 |
| +0.0 | Round 4 | CTBA | 22 | 3♥ | ♦K | = | +0 |
| -0.3 | Round 6 | HEILONGJIANG TEAM | 11 | 3♦ | ♦9 | -1 | -2 |
| -0.8 | Round 1 | MONACO | 3 | 2♠x | ♣9 | -1 | -2 |
| -0.8 | Round 4 | CTBA | 28 | 3NT | ♣3 | -1 | -6 |
| -1.0 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 7 | 4♠ | ♥5 | = | +0 |
| -2.0 | Round 6 | HEILONGJIANG TEAM | 9 | 4♥ | ♣A | +1 | +12 |
| -2.0 | Round 8 | JILINDINGYUAN | 26 | 3NT | ♠3 | = | +0 |
| -2.1 | Round 4 | CTBA | 26 | 4♥ | ♠7 | +3 | +12 |
| -3.2 | Round 4 | CTBA | 27 | 5♣ | ♥7 | = | +0 |
| -3.3 | Round 1 | MONACO | 2 | 3NT | ♠Q | -3 | -7 |
| -4.3 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 2 | 4♥ | ♠10 | -1 | -5 |
| -4.3 | Round 8 | JILINDINGYUAN | 25 | 5♦ | ♠A | = | +0 |
| -5.9 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 6 | 6♣ | ♠8 | +1 | -13 |
| -6.0 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 4 | 4♠ | ♣6 | = | +0 |
| -6.2 | Round 1 | MONACO | 6 | 3NT | ♦Q | = | -11 |
| -7.0 | Round 8 | JILINDINGYUAN | 22 | 3NT | ♣3 | +1 | +0 |
| -8.1 | Round 5 | SHAANXI ELECTRIC POWER DESIGN | 1 | 3NT | ♥9 | -1 | -10 |
| -12.4 | Round 6 | HEILONGJIANG TEAM | 8 | 5♦x | ♥7 | -5 | -12 |