YANG Zhaokun · LUDUS
vs par split: bidding +0.17 · play -0.43
Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted -0.29/bd
Card play — on target: opening leads 84.6% #84 of 277 · declarer play 66.7% #219 of 277 · defence 89.5% #69 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (2) | 81.8% (11) |
| Declarer play | 100.0% (3) | 33.3% (3) |
| Defence | 100.0% (3) | 87.5% (16) |
Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (4) · ♦ 100.0% (3) · ♣ 75.0% (4)
vs par by strain: NT -1.33 (9) · a suit +0.12 (26)
vs par by level: part-score -1.50 (16) · game +0.13 (15) · slam +3.25 (4)
By role: declaring -0.38/bd (-2.69 vs par · 16) · defending -0.67/bd (+1.79 vs par · 19)
By vulnerability: vulnerable -1.11/bd (-0.44 vs par · 18) · not vulnerable +0.07/bd (-0.06 vs par · 17)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 3 | J.Yao | H.Jalan – A.Malhotra | Closed | 7 | -0.2 | -0.03 | -1.14 |
| Round 5 | S.Liu | D.Li – T.Yao | Open | 7 | +8.0 | +1.14 | +2.57 |
| Round 6 | J.Yao | K.Buras – G.Narkiewicz | Open | 7 | -6.4 | -0.91 | -0.29 |
| Round 7 | S.Liu | T.Rogi – B.Mondigir | Open | 7 | -10.2 | -1.46 | -0.86 |
| Round 8 | S.Liu | D.Gerin – J.Pelletier | Open | 7 | -10.1 | -1.44 | -1.57 |
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 |
|---|---|---|---|---|---|---|---|
| +6.8 | Round 5 | TIANJIN COM-JADEITE | 5 | 4♠ | ♠3 | = | +0 |
| +4.2 | Round 8 | GUADELOUPE | 27 | 1NT | ♠3 | -3 | +7 |
| +3.5 | Round 7 | INDONESIA | 15 | 4♠ | ♥4 | -1 | +12 |
| +3.2 | Round 5 | TIANJIN COM-JADEITE | 4 | 4♠ | ♦K | -1 | +6 |
| +2.8 | Round 6 | BRIDGE 24 | 9 | 4♥x | ♦K | -1 | +7 |
| +2.4 | Round 3 | HEMANT JALAN | 17 | 3♠ | ♣3 | = | -4 |
| +2.4 | Round 7 | INDONESIA | 21 | 6♠ | ♦7 | = | +0 |
| +2.3 | Round 3 | HEMANT JALAN | 20 | 1NT | ♥Q | +2 | -1 |
| +2.2 | Round 3 | HEMANT JALAN | 18 | 2♥ | ♣4 | = | +6 |
| +1.8 | Round 5 | TIANJIN COM-JADEITE | 3 | 3NT | ♥6 | = | +0 |
| +1.8 | Round 6 | BRIDGE 24 | 12 | 4♥ | ♠3 | +1 | +0 |
| +1.6 | Round 7 | INDONESIA | 20 | 3♥ | ♠3 | -1 | +0 |
| +1.3 | Round 7 | INDONESIA | 19 | 4♠ | ♥J | -2 | -1 |
| +1.2 | Round 5 | TIANJIN COM-JADEITE | 2 | 2♠ | ♥K | +1 | +0 |
| +1.2 | Round 8 | GUADELOUPE | 23 | 2♠ | ♣3 | -1 | +0 |
| +0.4 | Round 5 | TIANJIN COM-JADEITE | 1 | 4♥ | ♣A | = | +1 |
| +0.0 | Round 6 | BRIDGE 24 | 14 | 2♠ | ♥3 | +1 | -1 |
| -0.5 | Round 3 | HEMANT JALAN | 16 | 1NT | ♠4 | = | -8 |
| -0.7 | Round 3 | HEMANT JALAN | 21 | 1NT | ♥10 | +2 | -10 |
| -0.7 | Round 5 | TIANJIN COM-JADEITE | 6 | 6NT | ♣6 | = | +11 |
| -0.8 | Round 8 | GUADELOUPE | 28 | 4♠ | ♣7 | = | -3 |
| -1.1 | Round 7 | INDONESIA | 17 | 4♥ | ♦7 | -2 | -7 |
| -1.6 | Round 3 | HEMANT JALAN | 15 | 4♥ | ♥9 | +3 | +10 |
| -2.0 | Round 6 | BRIDGE 24 | 13 | 3♠ | ♠2 | = | -1 |
| -2.1 | Round 6 | BRIDGE 24 | 11 | 3♣ | ♣2 | = | +0 |
| -2.6 | Round 8 | GUADELOUPE | 24 | 3NT | ♥7 | -1 | -5 |
| -2.8 | Round 8 | GUADELOUPE | 25 | 4♣ | ♣8 | -2 | -2 |
| -3.2 | Round 6 | BRIDGE 24 | 8 | 3♦ | ♥2 | +1 | -1 |
| -3.7 | Round 6 | BRIDGE 24 | 10 | 3NT | ♥K | -1 | -6 |
| -4.3 | Round 3 | HEMANT JALAN | 19 | 2♠ | ♦K | +2 | -1 |
| -4.4 | Round 8 | GUADELOUPE | 22 | 3♠ | ♥Q | -2 | -8 |
| -4.7 | Round 5 | TIANJIN COM-JADEITE | 7 | 6♥ | ♠A | = | +0 |
| -4.9 | Round 8 | GUADELOUPE | 26 | 3NT | ♥6 | +1 | +0 |
| -8.0 | Round 7 | INDONESIA | 18 | 6♦ | ♥8 | = | +2 |
| -9.9 | Round 7 | INDONESIA | 16 | 5♣ | ♥Q | -5 | -12 |