YANG Zhaokun · CHINA PETROLEUM SPORTS ASSCCIA
vs par split: bidding +0.36 · play -1.18
Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted -1.32/bd
Card play — on target: opening leads 57.1% #372 of 398 · declarer play 87.5% #55 of 398 · defence 76.9% #345 of 399
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 40.0% (5) |
| Declarer play | 100.0% (4) | 75.0% (4) |
| Defence | 100.0% (4) | 66.7% (9) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 50.0% (2) · ♦ 50.0% (2) · ♣ 50.0% (2)
vs par by strain: NT -1.64 (11) · a suit -0.29 (17)
vs par by level: part-score +2.71 (7) · game -1.84 (19) · slam -3.50 (2)
By role: declaring -0.77/bd (-2.87 vs par · 15) · defending -2.36/bd (+1.54 vs par · 13)
By vulnerability: vulnerable -3.15/bd (-0.93 vs par · 14) · not vulnerable +0.13/bd (-0.71 vs par · 14)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | L.Lei | M.Sheng – X.Liu | Open | 7 | -16.1 | -2.30 | -1.43 |
| Round 2 | W.Chen | E.Ginossar – R.Barr | Open | 7 | +0.3 | +0.04 | -0.14 |
| Round 3 | W.Chen | H.Huang – S.Wang | Closed | 7 | +1.2 | +0.17 | -0.57 |
| Round 4 | W.Chen | J.Tong – B.Du | Open | 7 | -27.7 | -3.96 | -1.14 |
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 |
|---|---|---|---|---|---|---|---|
| +6.7 | Round 2 | BARR | 8 | 6♥ | ♦10 | = | +10 |
| +5.6 | Round 2 | BARR | 14 | 4♠ | ♥4 | = | -1 |
| +5.1 | Round 3 | XBA | 18 | 3NT | ♦3 | = | +0 |
| +4.0 | Round 1 | GZ. ZHAOHENG2 | 5 | 1NT | ♣9 | +2 | +1 |
| +1.9 | Round 4 | PAN-CHINA | 24 | 4♥ | ♦J | = | -1 |
| +1.0 | Round 3 | XBA | 21 | 4♠ | ♥4 | +1 | +0 |
| +0.4 | Round 1 | GZ. ZHAOHENG2 | 4 | 1NT | ♥A | = | +11 |
| +0.4 | Round 3 | XBA | 20 | 3NT | ♠8 | +1 | -1 |
| +0.3 | Round 2 | BARR | 13 | 3NT | ♠3 | = | +0 |
| +0.1 | Round 3 | XBA | 19 | 4♥ | ♦3 | +1 | +0 |
| -0.1 | Round 4 | PAN-CHINA | 25 | 3NT | ♠4 | = | +0 |
| -0.1 | Round 4 | PAN-CHINA | 27 | 3♠ | ♣Q | -1 | +2 |
| -0.3 | Round 1 | GZ. ZHAOHENG2 | 2 | 4♥ | ♦A | +1 | +0 |
| -0.4 | Round 3 | XBA | 17 | 3♦ | ♣A | -1 | +5 |
| -1.0 | Round 3 | XBA | 16 | 2♠ | ♥5 | -3 | +0 |
| -1.3 | Round 1 | GZ. ZHAOHENG2 | 7 | 4♥ | ♦10 | = | +1 |
| -1.8 | Round 2 | BARR | 11 | 1NT | ♣6 | = | +1 |
| -2.3 | Round 2 | BARR | 10 | 3NT | ♦8 | = | +0 |
| -3.0 | Round 2 | BARR | 9 | 3NT | ♠J | -2 | -8 |
| -3.1 | Round 1 | GZ. ZHAOHENG2 | 6 | 3♦ | ♣3 | +2 | -1 |
| -3.7 | Round 4 | PAN-CHINA | 23 | 4♥ | ♣2 | +1 | +13 |
| -4.0 | Round 3 | XBA | 15 | 4♥ | ♣A | = | -8 |
| -5.0 | Round 4 | PAN-CHINA | 28 | 4♥ | ♠A | -2 | -6 |
| -5.2 | Round 2 | BARR | 12 | 4♠ | ♠3 | = | -3 |
| -5.7 | Round 1 | GZ. ZHAOHENG2 | 1 | 3NT | ♠5 | -1 | -10 |
| -8.3 | Round 4 | PAN-CHINA | 26 | 4♠ | ♣A | = | +1 |
| -10.1 | Round 1 | GZ. ZHAOHENG2 | 3 | 3NT | ♥4 | -1 | -12 |
| -12.4 | Round 4 | PAN-CHINA | 22 | 7♦ | ♣A | -1 | -17 |