CHEN Yinglei · CHINA HYX
vs par split: bidding -0.64 · play -0.39
Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted +0.46/bd
Card play — on target: opening leads 85.7% #144 of 579 · declarer play 58.8% #480 of 579 · defence 79.3% #472 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (1) | 84.6% (13) |
| Declarer play | 50.0% (10) | 71.4% (7) |
| Defence | 60.0% (5) | 83.3% (24) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (3) · ♦ 100.0% (3) · ♣ 80.0% (5)
vs par by strain: NT -2.59 (17) · a suit -0.36 (39)
vs par by level: part-score -0.40 (20) · game -1.97 (31) · slam +2.20 (5)
By role: declaring +1.14/bd (-3.93 vs par · 27) · defending +0.12/bd (+1.66 vs par · 29)
By vulnerability: vulnerable +1.01/bd (-2.21 vs par · 28) · not vulnerable +0.21/bd (+0.14 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Zhou | Y.Zhao – X.Cao | Closed | 7 | -6.0 | -0.86 | -2.57 |
| Round 2 | J.Zhou | H.Li – Z.Wang | Closed | 7 | -10.0 | -1.43 | +0.86 |
| Round 3 | J.Zhou | Y.Wang – J.Liu | Closed | 7 | +5.7 | +0.81 | -0.71 |
| Round 4 | J.Zhou | S.Wang – Y.Liu | Open | 7 | +32.7 | +4.67 | -1.00 |
| Round 5 | J.Zhou | M.Barhbarh – J.Ech Cherif Alkettani | Closed | 7 | -5.0 | -0.71 | -0.29 |
| Round 6 | J.Zhou | L.Dong – Y.Wu | Closed | 7 | +9.1 | +1.30 | -0.57 |
| Round 7 | J.Zhou | C.Ng – P.Lau | Open | 7 | -6.9 | -0.99 | -2.29 |
| Round 8 | J.Zhou | X.Zhang – L.Zhang | Closed | 7 | +14.6 | +2.09 | -1.71 |
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 |
|---|---|---|---|---|---|---|---|
| +18.8 | Round 6 | CHINA OPN(A) | 10 | 3NTxx | ♥7 | -4 | +19 |
| +14.7 | Round 4 | HONG KONG HAI JIU | 23 | 6♣ | ♥8 | = | -2 |
| +9.9 | Round 4 | HONG KONG HAI JIU | 24 | 6♦ | ♠4 | -2 | +11 |
| +7.7 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 22 | 4NT | ♠6 | +1 | +1 |
| +5.7 | Round 6 | CHINA OPN(A) | 8 | 3NTx | ♦J | = | +3 |
| +5.4 | Round 3 | TIANJIN COM-JADEITE | 15 | 4♠ | ♦6 | -2 | +7 |
| +4.9 | Round 6 | CHINA OPN(A) | 13 | 2♥ | ♥J | -3 | +4 |
| +4.5 | Round 3 | TIANJIN COM-JADEITE | 18 | 2♥ | ♣2 | -1 | +5 |
| +3.9 | Round 4 | HONG KONG HAI JIU | 27 | 5♣ | ♦A | +1 | +1 |
| +3.5 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 10 | 4♠ | ♦10 | = | +0 |
| +3.5 | Round 4 | HONG KONG HAI JIU | 28 | 3NT | ♣4 | -2 | +8 |
| +3.3 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 8 | 3♠ | ♥K | = | +6 |
| +3.0 | Round 3 | TIANJIN COM-JADEITE | 20 | 3NT | ♠10 | +1 | -12 |
| +3.0 | Round 7 | HK ZEN | 17 | 3♦ | ♠K | -1 | +3 |
| +2.9 | Round 3 | TIANJIN COM-JADEITE | 19 | 3NT | ♦5 | +2 | -17 |
| +2.9 | Round 5 | MOROCCAN OPEN T | 4 | 3♠ | ♣5 | +1 | +10 |
| +2.9 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 26 | 3NT | ♠3 | +1 | +1 |
| +2.9 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 27 | 3♣ | ♥10 | = | +0 |
| +2.6 | Round 7 | HK ZEN | 21 | 3♠ | ♥6 | = | +0 |
| +2.6 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 24 | 5♥ | ♠A | = | +0 |
| +2.2 | Round 1 | COFCO YALONG BAY | 7 | 5♣ | ♥3 | = | -1 |
| +2.0 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 25 | 4♠x | ♦A | -3 | -3 |
| +1.9 | Round 5 | MOROCCAN OPEN T | 3 | 3NT | ♠J | -2 | +6 |
| +1.8 | Round 5 | MOROCCAN OPEN T | 1 | 3NT | ♥5 | = | +0 |
| +1.6 | Round 1 | COFCO YALONG BAY | 3 | 2♣ | ♦9 | = | +1 |
| +0.7 | Round 4 | HONG KONG HAI JIU | 26 | 4♠ | ♣A | +1 | -13 |
| +0.5 | Round 1 | COFCO YALONG BAY | 1 | 2♠ | ♦J | = | +5 |
| +0.2 | Round 1 | COFCO YALONG BAY | 5 | 2♠ | ♣8 | +1 | +0 |
| -0.0 | Round 4 | HONG KONG HAI JIU | 22 | 2♥ | ♦A | +1 | +0 |
| -0.0 | Round 4 | HONG KONG HAI JIU | 25 | 3NT | ♣4 | +2 | -12 |
| -0.0 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 23 | 1♠ | ♦10 | +1 | +0 |
| -0.3 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 11 | 4♠ | ♥K | +1 | +10 |
| -0.3 | Round 7 | HK ZEN | 20 | 4♥ | ♣10 | +2 | +13 |
| -0.4 | Round 5 | MOROCCAN OPEN T | 5 | 3♥ | ♣A | = | +0 |
| -0.4 | Round 7 | HK ZEN | 16 | 1♠x | ♥K | -2 | -7 |
| -0.6 | Round 3 | TIANJIN COM-JADEITE | 17 | 1NT | ♥J | -1 | -3 |
| -0.7 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 14 | 1NT | ♥4 | -1 | +2 |
| -1.0 | Round 5 | MOROCCAN OPEN T | 7 | 4♠ | ♣3 | = | +0 |
| -1.1 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 13 | 5♥ | ♠A | = | +0 |
| -1.8 | Round 7 | HK ZEN | 18 | 3NT | ♥5 | -1 | -5 |
| -1.9 | Round 1 | COFCO YALONG BAY | 2 | 3NT | ♥10 | -2 | -6 |
| -2.1 | Round 6 | CHINA OPN(A) | 11 | 4♣ | ♦2 | = | +0 |
| -2.4 | Round 1 | COFCO YALONG BAY | 4 | 2♠ | ♠3 | = | -6 |
| -2.9 | Round 7 | HK ZEN | 15 | 4♦ | ♥A | = | -13 |
| -3.1 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 9 | 5♣ | ♦A | = | +0 |
| -3.5 | Round 8 | SHAANXI ELECTRIC POWER DESIGN | 28 | 4♥ | ♣3 | -2 | -11 |
| -4.2 | Round 6 | CHINA OPN(A) | 14 | 5♥ | ♠A | = | -4 |
| -4.3 | Round 5 | MOROCCAN OPEN T | 2 | 4♥ | ♠10 | -1 | -5 |
| -4.5 | Round 3 | TIANJIN COM-JADEITE | 21 | 6♠ | ♥J | = | +13 |
| -5.0 | Round 3 | TIANJIN COM-JADEITE | 16 | 6♦ | ♥6 | = | +2 |
| -5.0 | Round 6 | CHINA OPN(A) | 12 | 3NT | ♦2 | -2 | -11 |
| -5.9 | Round 5 | MOROCCAN OPEN T | 6 | 6♦ | ♠8 | +1 | -13 |
| -6.2 | Round 1 | COFCO YALONG BAY | 6 | 3NT | ♦Q | = | -11 |
| -7.1 | Round 7 | HK ZEN | 19 | 3NT | ♣6 | -4 | -7 |
| -9.0 | Round 6 | CHINA OPN(A) | 9 | 4♣ | ♦8 | -2 | -15 |
| -11.6 | Round 2 | BLACK EARTH GOD DUCK BRIDGE CL | 12 | 5♣ | ♥A | = | -12 |