CHEN Yanxu · RDFZ ZHIHAOLE
vs par split: bidding +0.88 · play +0.93
Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted +0.67/bd
Card play — on target: opening leads 91.7% #9 of 78 · declarer play 71.4% #39 of 78 · defence 100.0% #1 of 78
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 90.9% (11) |
| Declarer play | 0.0% (1) | 83.3% (6) |
| Defence | 100.0% (5) | 100.0% (15) |
Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 100.0% (2) · ♣ 85.7% (7)
vs par by strain: NT +2.30 (10) · a suit +1.63 (30)
vs par by level: part-score +1.50 (20) · game +2.33 (18) · slam +0.00 (2)
By role: declaring +0.58/bd (-0.40 vs par · 20) · defending +0.47/bd (+4.00 vs par · 20)
By vulnerability: vulnerable +1.25/bd (+2.30 vs par · 20) · not vulnerable -0.20/bd (+1.30 vs par · 20)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | J.Liu | L.Cai – X.Wei | Open | 8 | +15.7 | +1.96 | +5.25 |
| Round 3 | J.Liu | Y.Fu – H.Shen | Open | 8 | +16.4 | +2.05 | +1.25 |
| Round 4 | J.Liu | X.Zhang – S.Li | Closed | 8 | -13.2 | -1.65 | -3.38 |
| Round 5 | J.Liu | M.Stasik – L.Kasperczyk | Open | 8 | +3.5 | +0.44 | +3.50 |
| Round 8 | J.Liu | S.Qin – J.Li | Open | 8 | -1.5 | -0.19 | +2.38 |
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 |
|---|---|---|---|---|---|---|---|
| +9.2 | Round 2 | TIANJIN BRIDGESCHOOL | 13 | 3♥ | ♦A | -1 | +11 |
| +9.2 | Round 3 | SXMARS | 20 | 3NT | ♥5 | -3 | +10 |
| +9.0 | Round 3 | SXMARS | 17 | 6♠ | ♣K | -1 | +11 |
| +7.2 | Round 2 | TIANJIN BRIDGESCHOOL | 12 | 3NTx | ♠2 | -1 | +13 |
| +7.1 | Round 8 | SHSLLS1 | 26 | 4♠ | ♥10 | = | +0 |
| +6.9 | Round 5 | POLAND | 5 | 5♠ | ♦10 | +1 | +13 |
| +4.6 | Round 5 | POLAND | 1 | 2♥ | ♦J | +2 | +2 |
| +3.8 | Round 3 | SXMARS | 19 | 4♠ | ♦10 | +1 | +1 |
| +3.5 | Round 2 | TIANJIN BRIDGESCHOOL | 11 | 3♥ | ♠7 | +2 | +6 |
| +3.4 | Round 3 | SXMARS | 18 | 6NT | ♥10 | = | -11 |
| +3.0 | Round 4 | SXSATURN | 25 | 3♥ | ♥7 | +1 | +1 |
| +2.8 | Round 2 | TIANJIN BRIDGESCHOOL | 10 | 4♥ | ♣Q | -3 | +7 |
| +2.5 | Round 5 | POLAND | 4 | 1NT | ♣3 | +1 | +1 |
| +2.2 | Round 8 | SHSLLS1 | 28 | 3♦ | ♣A | -1 | +12 |
| +1.9 | Round 3 | SXMARS | 23 | 2♥ | ♦3 | -1 | +6 |
| +1.8 | Round 4 | SXSATURN | 26 | 2♥ | ♣A | -1 | +0 |
| +1.5 | Round 2 | TIANJIN BRIDGESCHOOL | 9 | 4♠ | ♥2 | +1 | +0 |
| +1.2 | Round 4 | SXSATURN | 32 | 2NT | ♥6 | = | -9 |
| +0.7 | Round 4 | SXSATURN | 28 | 3♠ | ♥3 | = | +0 |
| +0.5 | Round 8 | SHSLLS1 | 32 | 3♦ | ♣K | +1 | +0 |
| +0.1 | Round 5 | POLAND | 3 | 3NT | ♣J | +4 | +14 |
| -0.2 | Round 8 | SHSLLS1 | 29 | 3♣ | ♠K | -1 | +11 |
| -0.8 | Round 8 | SHSLLS1 | 25 | 3NT | ♣7 | +1 | -1 |
| -1.2 | Round 3 | SXMARS | 24 | 1♠ | ♠6 | -2 | +0 |
| -1.2 | Round 4 | SXSATURN | 30 | 3NT | ♠5 | = | +2 |
| -1.4 | Round 8 | SHSLLS1 | 30 | 4♠ | ♦5 | = | -3 |
| -1.7 | Round 3 | SXMARS | 22 | 2♠ | ♦10 | = | +0 |
| -1.8 | Round 5 | POLAND | 2 | 3♥ | ♦K | -1 | +2 |
| -2.1 | Round 2 | TIANJIN BRIDGESCHOOL | 14 | 3♣ | ♣5 | = | +1 |
| -2.2 | Round 2 | TIANJIN BRIDGESCHOOL | 15 | 2♠ | ♣A | -2 | +1 |
| -2.5 | Round 8 | SHSLLS1 | 27 | 2♥ | ♠2 | +1 | +0 |
| -2.6 | Round 5 | POLAND | 7 | 3NT | ♠6 | -2 | -7 |
| -2.9 | Round 5 | POLAND | 6 | 3NT | ♠Q | +2 | +11 |
| -3.3 | Round 5 | POLAND | 8 | 4♥ | ♣2 | = | -8 |
| -4.2 | Round 2 | TIANJIN BRIDGESCHOOL | 16 | 4♥ | ♣7 | -3 | +3 |
| -4.5 | Round 4 | SXSATURN | 31 | 4♠ | ♥6 | +1 | +0 |
| -6.4 | Round 8 | SHSLLS1 | 31 | 4♠ | ♦10 | = | +0 |
| -7.0 | Round 4 | SXSATURN | 27 | 3♦ | ♣9 | -2 | -8 |
| -7.2 | Round 4 | SXSATURN | 29 | 5♦ | ♦2 | -2 | -13 |
| -8.0 | Round 3 | SXMARS | 21 | 3♣ | ♠2 | -3 | -7 |