YANG Zhaokun · LUDUS
vs par split: bidding -0.12 · play +0.80
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted -0.23/bd
Card play — on target: opening leads 76.9% #301 of 579 · declarer play 92.9% #47 of 579 · defence 89.3% #236 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 80.0% (5) | 75.0% (8) |
| Declarer play | 80.0% (5) | 100.0% (9) |
| Defence | 85.7% (7) | 90.5% (21) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (1) · ♦ 66.7% (3) · ♣ 71.4% (7)
vs par by strain: NT +1.33 (15) · a suit +0.44 (41)
vs par by level: part-score +1.31 (26) · game -0.80 (25) · slam +4.80 (5)
By role: declaring +0.20/bd (-1.14 vs par · 28) · defending -0.78/bd (+2.50 vs par · 28)
By vulnerability: vulnerable -0.17/bd (+0.25 vs par · 28) · not vulnerable -0.42/bd (+1.11 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | D.Huang | P.Tuczynski – T.Sielicki | Open | 7 | +11.3 | +1.61 | +0.00 |
| Round 2 | N.Li | H.Shi – Z.Zhuang | Closed | 7 | -6.7 | -0.96 | +0.71 |
| Round 3 | D.Huang | Y.Cai – J.Chen | Open | 7 | -3.7 | -0.53 | +0.43 |
| Round 4 | J.Yao | H.Tian – L.Wang | Closed | 7 | -12.6 | -1.80 | +3.29 |
| Round 5 | S.Liu | L.Cheung – C.Fung | Closed | 7 | -15.6 | -2.23 | -1.86 |
| Round 6 | D.Huang | W.Guo – X.Xue | Open | 7 | +3.0 | +0.43 | -3.29 |
| Round 7 | J.Yao | J.Wang – Y.Liu | Closed | 7 | +2.1 | +0.30 | +1.43 |
| Round 8 | J.Yao | V.Aronov – A.Zobu | Open | 7 | +5.8 | +0.83 | +4.71 |
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 |
|---|---|---|---|---|---|---|---|
| +11.1 | Round 8 | AYDIN | 26 | 3NT | ♠3 | -2 | +13 |
| +9.9 | Round 3 | ZHEJIANG JINGFAN | 19 | 6NT | ♦7 | -1 | +20 |
| +6.1 | Round 6 | BEIJING LAWYERS | 12 | 3NT | ♥J | = | -1 |
| +4.9 | Round 1 | BRIDGE24 B | 3 | 2♥ | ♦9 | -1 | +5 |
| +4.4 | Round 1 | BRIDGE24 B | 2 | 1NT | ♥9 | +2 | +1 |
| +4.3 | Round 2 | CHINA OPN(A) | 10 | 4NT | ♣7 | +1 | +1 |
| +3.9 | Round 1 | BRIDGE24 B | 7 | 3NT | ♥J | +2 | +1 |
| +3.5 | Round 8 | AYDIN | 28 | 4♥ | ♣6 | -2 | +11 |
| +3.4 | Round 2 | CHINA OPN(A) | 14 | 2♥ | ♣K | = | +6 |
| +2.9 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 15 | 3♦ | ♥A | +1 | +13 |
| +2.8 | Round 6 | BEIJING LAWYERS | 11 | 4♣ | ♥9 | -1 | +5 |
| +2.6 | Round 2 | CHINA OPN(A) | 9 | 4♣ | ♦A | +1 | +6 |
| +2.6 | Round 8 | AYDIN | 23 | 1NT | ♠5 | -2 | +3 |
| +2.1 | Round 2 | CHINA OPN(A) | 12 | 2♥ | ♠K | +1 | +0 |
| +2.0 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 23 | 6♣ | ♦10 | -1 | +17 |
| +2.0 | Round 6 | BEIJING LAWYERS | 9 | 3NT | ♦Q | +2 | -12 |
| +2.0 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 21 | 4♠ | ♣3 | -1 | +5 |
| +1.9 | Round 5 | HKJ9 | 3 | 3NT | ♠9 | -2 | +6 |
| +1.8 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 18 | 2♠ | ♦Q | -1 | +5 |
| +1.5 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 24 | 5♦ | ♠5 | +1 | -1 |
| +1.2 | Round 8 | AYDIN | 24 | 4♠x | ♣9 | -2 | +4 |
| +0.9 | Round 6 | BEIJING LAWYERS | 13 | 2♠ | ♥A | +1 | +0 |
| +0.7 | Round 3 | ZHEJIANG JINGFAN | 18 | 2♥ | ♣A | = | +0 |
| +0.6 | Round 3 | ZHEJIANG JINGFAN | 17 | 2♠ | ♣3 | -1 | +3 |
| +0.6 | Round 5 | HKJ9 | 2 | 2♥ | ♣2 | +1 | +0 |
| +0.5 | Round 1 | BRIDGE24 B | 1 | 2♠ | ♠Q | = | +5 |
| +0.4 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 19 | 3♦ | ♠A | = | -1 |
| +0.3 | Round 3 | ZHEJIANG JINGFAN | 20 | 2♥x | ♦A | -2 | +13 |
| +0.3 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 17 | 2♠ | ♦5 | +2 | +1 |
| +0.3 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 20 | 4♥ | ♦2 | +2 | -13 |
| +0.2 | Round 1 | BRIDGE24 B | 5 | 2♠ | ♦Q | +1 | +0 |
| +0.0 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 22 | 2♥ | ♦K | +1 | +0 |
| +0.0 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 25 | 3NT | ♣3 | +2 | +12 |
| -0.2 | Round 1 | BRIDGE24 B | 6 | 3♣ | ♦Q | +1 | -6 |
| -0.4 | Round 5 | HKJ9 | 5 | 3♥ | ♣K | = | +0 |
| -0.4 | Round 6 | BEIJING LAWYERS | 14 | 5♠x | ♦A | -2 | +0 |
| -0.8 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 28 | 3NT | ♣3 | -1 | -6 |
| -1.0 | Round 5 | HKJ9 | 7 | 4♠ | ♥6 | = | +0 |
| -1.5 | Round 2 | CHINA OPN(A) | 8 | 2♠ | ♥K | -1 | +2 |
| -2.0 | Round 8 | AYDIN | 25 | 4♠x | ♦A | -3 | +3 |
| -2.4 | Round 1 | BRIDGE24 B | 4 | 2♠ | ♥K | = | -6 |
| -2.9 | Round 8 | AYDIN | 27 | 4♠ | ♥A | -2 | +0 |
| -3.0 | Round 6 | BEIJING LAWYERS | 8 | 2♠ | ♣A | -3 | -7 |
| -3.7 | Round 3 | ZHEJIANG JINGFAN | 16 | 3NT | ♣J | +4 | -10 |
| -3.9 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 27 | 5♣ | ♦A | +1 | -1 |
| -5.3 | Round 5 | HKJ9 | 1 | 2♥ | ♣3 | -2 | -7 |
| -5.4 | Round 3 | ZHEJIANG JINGFAN | 15 | 3♠ | ♦9 | -2 | -7 |
| -5.4 | Round 6 | BEIJING LAWYERS | 10 | 3NT | ♦K | -2 | -8 |
| -5.5 | Round 5 | HKJ9 | 4 | 3NT | ♣5 | = | +1 |
| -5.6 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 16 | 5♣ | ♦7 | = | +0 |
| -5.9 | Round 5 | HKJ9 | 6 | 6♣ | ♠8 | +1 | -13 |
| -6.1 | Round 3 | ZHEJIANG JINGFAN | 21 | 5♦x | ♥A | -4 | -16 |
| -7.7 | Round 8 | AYDIN | 22 | 3NT | ♣10 | +2 | -1 |
| -8.3 | Round 2 | CHINA OPN(A) | 13 | 4♥x | ♥4 | +1 | -8 |
| -9.3 | Round 2 | CHINA OPN(A) | 11 | 6♠ | ♣A | = | -2 |
| -11.4 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 26 | 6♦ | ♣K | = | +2 |