YAO Jiangtao · LUDUS
vs par split: bidding +0.12 · play +1.55
Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -0.28/bd
Card play — on target: opening leads 78.6% #271 of 579 · declarer play 85.7% #107 of 579 · defence 92.0% #167 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (4) | 80.0% (10) |
| Declarer play | 100.0% (1) | 84.6% (13) |
| Defence | 80.0% (10) | 100.0% (15) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (3) · ♦ 66.7% (3) · ♣ 71.4% (7)
vs par by strain: NT +2.64 (14) · a suit +1.29 (35)
vs par by level: part-score +1.58 (19) · game +2.12 (25) · slam -0.20 (5)
By role: declaring +0.22/bd (-1.04 vs par · 24) · defending -0.40/bd (+4.28 vs par · 25)
By vulnerability: vulnerable +0.01/bd (+2.38 vs par · 24) · not vulnerable -0.20/bd (+1.00 vs par · 25)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | S.Liu | I.Chalupec – B.Chmurski | Closed | 7 | +10.7 | +1.53 | +3.57 |
| Round 2 | Y.Tang | Z.Shi – C.Ju | Open | 7 | -33.0 | -4.71 | -7.00 |
| Round 4 | Z.Yang | H.Tian – L.Wang | Closed | 7 | -12.6 | -1.80 | +3.29 |
| Round 5 | Y.Tang | P.Chan – S.Mok | Open | 7 | +1.6 | +0.23 | +0.43 |
| Round 6 | Y.Tang | Z.Guo – F.Wang | Closed | 7 | +20.6 | +2.94 | +5.29 |
| Round 7 | Z.Yang | J.Wang – Y.Liu | Closed | 7 | +2.1 | +0.30 | +1.43 |
| Round 8 | Z.Yang | 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 |
|---|---|---|---|---|---|---|---|
| +14.9 | Round 1 | BRIDGE24 B | 3 | 3NTx | ♣Q | -5 | +15 |
| +11.2 | Round 6 | BEIJING LAWYERS | 9 | 5♦ | ♦Q | -1 | +16 |
| +11.1 | Round 8 | AYDIN | 26 | 3NT | ♠3 | -2 | +13 |
| +9.6 | Round 5 | HKJ9 | 5 | 4♥ | ♣A | = | +10 |
| +5.5 | Round 6 | BEIJING LAWYERS | 8 | 2♠ | ♣A | -1 | +9 |
| +5.4 | Round 6 | BEIJING LAWYERS | 10 | 3NTx | ♠8 | -1 | +8 |
| +4.7 | Round 5 | HKJ9 | 1 | 2NT | ♥9 | = | +7 |
| +3.5 | Round 8 | AYDIN | 28 | 4♥ | ♣6 | -2 | +11 |
| +3.4 | Round 1 | BRIDGE24 B | 7 | 3♠ | ♠3 | -3 | +8 |
| +2.9 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 15 | 3♦ | ♥A | +1 | +13 |
| +2.8 | Round 6 | BEIJING LAWYERS | 14 | 5♣ | ♥A | = | +3 |
| +2.6 | Round 8 | AYDIN | 23 | 1NT | ♠5 | -2 | +3 |
| +2.1 | Round 6 | BEIJING LAWYERS | 11 | 4♣ | ♣2 | = | +0 |
| +2.0 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 23 | 6♣ | ♦10 | -1 | +17 |
| +2.0 | Round 5 | HKJ9 | 7 | 4♠ | ♥2 | +1 | +1 |
| +2.0 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 21 | 4♠ | ♣3 | -1 | +5 |
| +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 |
| +0.7 | Round 1 | BRIDGE24 B | 5 | 2♠ | ♣5 | +2 | +1 |
| +0.4 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 19 | 3♦ | ♠A | = | -1 |
| +0.3 | Round 2 | CHINA OPN(A) | 11 | 4♠ | ♥K | +1 | -10 |
| +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 |
| +0.1 | Round 1 | BRIDGE24 B | 2 | 3NT | ♥5 | -1 | +5 |
| +0.1 | Round 6 | BEIJING LAWYERS | 13 | 1NT | ♠A | -1 | +1 |
| +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 5 | HKJ9 | 3 | 4♥ | ♥2 | -1 | -5 |
| -0.3 | Round 1 | BRIDGE24 B | 1 | 3♣ | ♠6 | -2 | -5 |
| -0.6 | Round 5 | HKJ9 | 2 | 3♥ | ♣3 | = | +0 |
| -0.8 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 28 | 3NT | ♣3 | -1 | -6 |
| -1.8 | Round 2 | CHINA OPN(A) | 14 | 2♠ | ♥K | -1 | -4 |
| -2.0 | Round 8 | AYDIN | 25 | 4♠x | ♦A | -3 | +3 |
| -2.1 | Round 2 | CHINA OPN(A) | 12 | 3♥ | ♠K | = | +0 |
| -2.5 | Round 2 | CHINA OPN(A) | 13 | 4♠x | ♥8 | -2 | -4 |
| -2.6 | Round 1 | BRIDGE24 B | 4 | 1NT | ♣6 | -1 | +1 |
| -2.9 | Round 8 | AYDIN | 27 | 4♠ | ♥A | -2 | +0 |
| -3.9 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 27 | 5♣ | ♦A | +1 | -1 |
| -5.5 | Round 1 | BRIDGE24 B | 6 | 3♦ | ♣A | = | +0 |
| -5.6 | Round 7 | SHANDONG CONTRACT BRIDGE ASSOC | 16 | 5♣ | ♦7 | = | +0 |
| -6.5 | Round 5 | HKJ9 | 6 | 7♣ | ♥10 | = | +2 |
| -6.5 | Round 6 | BEIJING LAWYERS | 12 | 3NT | ♠2 | +1 | +0 |
| -6.6 | Round 2 | CHINA OPN(A) | 8 | 1NTx | ♣4 | +1 | -9 |
| -6.9 | Round 2 | CHINA OPN(A) | 9 | 6♣ | ♦A | -1 | -10 |
| -7.4 | Round 5 | HKJ9 | 4 | 3NT | ♥2 | -1 | -12 |
| -7.7 | Round 8 | AYDIN | 22 | 3NT | ♣10 | +2 | -1 |
| -11.4 | Round 4 | QINGHAI BRIDGE ASSOCIATION | 26 | 6♦ | ♣K | = | +2 |
| -13.4 | Round 2 | CHINA OPN(A) | 10 | 6♦ | ♣2 | = | -12 |