CHEN Hua · RADIO COMMUNICATIONS OF CAS
vs par split: bidding +0.70 · play +0.20
Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted +0.10/bd
Card play — on target: opening leads 54.5% #173 of 187 · declarer play 87.5% #29 of 187 · defence 92.3% #40 of 187
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 40.0% (5) | 66.7% (6) |
| Declarer play | 66.7% (3) | 92.3% (13) |
| Defence | 87.5% (8) | 94.4% (18) |
Opening leads by suit led: ♠ 25.0% (4) · ♥ 100.0% (2) · ♦ 66.7% (3) · ♣ 50.0% (2)
vs par by strain: NT +1.46 (13) · a suit +0.72 (43)
vs par by level: part-score +2.33 (15) · game +0.49 (39) · slam -2.00 (2)
By role: declaring +0.22/bd (-0.33 vs par · 30) · defending +0.12/bd (+2.31 vs par · 26)
By vulnerability: vulnerable -0.31/bd (-0.07 vs par · 28) · not vulnerable +0.66/bd (+1.86 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | T.Zhou | Y.Wang – X.Wang | Open | 7 | +5.0 | +0.71 | +2.14 |
| Round 2 | T.Zhou | R.Levin – J.Levin | Open | 7 | +4.4 | +0.63 | +2.43 |
| Round 3 | T.Zhou | T.Asbi – L.Bojoh | Closed | 7 | +12.1 | +1.73 | +4.29 |
| Round 4 | T.Zhou | Y.Lin – Y.Liang | Open | 7 | +5.9 | +0.84 | -0.43 |
| Round 5 | T.Zhou | C.Nunes – S.Quinn | Closed | 7 | -21.7 | -3.10 | -5.14 |
| Round 6 | T.Zhou | U.Semerci – Y.Atabey | Open | 7 | -12.1 | -1.73 | -0.43 |
| Round 7 | T.Zhou | J.George – C.Sumampouw | Closed | 7 | +26.5 | +3.79 | +4.71 |
| Round 8 | T.Zhou | W.He – H.Yang | Open | 7 | -10.3 | -1.47 | -0.43 |
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 |
|---|---|---|---|---|---|---|---|
| +10.5 | Round 7 | PERTAMINA EP BLUE | 15 | 3♦x | ♥A | -3 | +9 |
| +8.3 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 28 | 4♥ | ♠6 | +1 | +7 |
| +8.2 | Round 4 | PING AN CHINA | 26 | 5♣x | ♦A | +1 | +4 |
| +8.0 | Round 7 | PERTAMINA EP BLUE | 19 | 4♠ | ♥Q | = | +11 |
| +7.3 | Round 2 | DIAMOND | 9 | 3♣ | ♣2 | -1 | +5 |
| +7.0 | Round 1 | SHENZHEN PINGAN | 1 | 5♦ | ♥A | -1 | +10 |
| +5.3 | Round 3 | PERTAMINA EP RED | 18 | 6♥ | ♣A | -2 | +13 |
| +5.1 | Round 7 | PERTAMINA EP BLUE | 21 | 4♠ | ♠J | -2 | +7 |
| +5.0 | Round 2 | DIAMOND | 8 | 3NT | ♠7 | = | +7 |
| +4.9 | Round 7 | PERTAMINA EP BLUE | 16 | 2♥ | ♠K | -1 | +8 |
| +4.7 | Round 3 | PERTAMINA EP RED | 16 | 2NT | ♠K | -3 | +11 |
| +4.5 | Round 3 | PERTAMINA EP RED | 17 | 4♠ | ♦2 | -2 | +6 |
| +4.4 | Round 4 | PING AN CHINA | 27 | 3♥ | ♣K | +1 | +2 |
| +3.2 | Round 6 | ATABEY | 9 | 3NT | ♥5 | = | +14 |
| +2.5 | Round 6 | ATABEY | 8 | 3NT | ♥10 | -1 | +5 |
| +2.1 | Round 3 | PERTAMINA EP RED | 21 | 4♥ | ♦10 | +1 | +0 |
| +2.0 | Round 2 | DIAMOND | 10 | 4♠ | ♦7 | +1 | +0 |
| +1.8 | Round 1 | SHENZHEN PINGAN | 5 | 2♦ | ♦4 | = | +5 |
| +1.8 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 27 | 4♠ | ♥4 | +1 | +1 |
| +1.7 | Round 1 | SHENZHEN PINGAN | 3 | 4♦ | ♠K | -3 | +7 |
| +1.6 | Round 5 | NUNES | 4 | 4♠ | ♥7 | +1 | +0 |
| +1.1 | Round 6 | ATABEY | 10 | 4♠ | ♦5 | = | +0 |
| +0.8 | Round 7 | PERTAMINA EP BLUE | 20 | 4♠ | ♦A | +1 | +0 |
| +0.7 | Round 2 | DIAMOND | 13 | 3NT | ♦6 | +3 | +1 |
| +0.7 | Round 4 | PING AN CHINA | 28 | 2♣ | ♠J | -1 | +1 |
| +0.5 | Round 1 | SHENZHEN PINGAN | 7 | 3♠ | ♥2 | = | +0 |
| +0.4 | Round 2 | DIAMOND | 14 | 4♠ | ♣K | +2 | +14 |
| +0.4 | Round 5 | NUNES | 3 | 3♠ | ♠5 | = | +0 |
| +0.4 | Round 7 | PERTAMINA EP BLUE | 17 | 4♠ | ♦2 | = | -1 |
| -0.1 | Round 1 | SHENZHEN PINGAN | 6 | 4♥ | ♥7 | +2 | +1 |
| -0.4 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 22 | 4♥ | ♥2 | = | +1 |
| -0.5 | Round 1 | SHENZHEN PINGAN | 2 | 3NT | ♠A | = | -1 |
| -0.6 | Round 3 | PERTAMINA EP RED | 20 | 4♠ | ♦Q | = | +1 |
| -0.6 | Round 4 | PING AN CHINA | 22 | 4♠ | ♦A | +1 | +0 |
| -1.1 | Round 5 | NUNES | 5 | 1♠ | ♦4 | = | +0 |
| -1.2 | Round 4 | PING AN CHINA | 23 | 3NT | ♥10 | = | +0 |
| -1.3 | Round 3 | PERTAMINA EP RED | 19 | 3NT | ♦9 | +1 | -1 |
| -1.3 | Round 6 | ATABEY | 12 | 2♠ | ♣4 | +1 | -6 |
| -1.3 | Round 6 | ATABEY | 14 | 4♥ | ♣3 | -2 | +1 |
| -1.4 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 23 | 3NT | ♠5 | +3 | -3 |
| -1.6 | Round 5 | NUNES | 2 | 3♣ | ♥A | +1 | +0 |
| -2.2 | Round 4 | PING AN CHINA | 24 | 3NT | ♦9 | -1 | -4 |
| -2.3 | Round 2 | DIAMOND | 11 | 5♥ | ♦K | = | +0 |
| -2.6 | Round 3 | PERTAMINA EP RED | 15 | 2♠ | ♦Q | +1 | +0 |
| -3.0 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 24 | 4♥ | ♠Q | = | +0 |
| -3.2 | Round 7 | PERTAMINA EP BLUE | 18 | 4♠ | ♦7 | +2 | -1 |
| -3.4 | Round 4 | PING AN CHINA | 25 | 4♥ | ♠A | -1 | -6 |
| -4.8 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 25 | 3NT | ♠9 | +2 | +0 |
| -5.3 | Round 5 | NUNES | 6 | 4♥ | ♦K | -1 | -9 |
| -5.4 | Round 1 | SHENZHEN PINGAN | 4 | 1NT | ♥2 | +2 | -7 |
| -6.4 | Round 6 | ATABEY | 11 | 3NTx | ♠5 | = | -3 |
| -7.2 | Round 5 | NUNES | 1 | 4♠ | ♣4 | -1 | -10 |
| -8.5 | Round 5 | NUNES | 7 | 6♠ | ♦10 | -2 | -17 |
| -8.7 | Round 2 | DIAMOND | 12 | 4♥ | ♥7 | -1 | -10 |
| -9.9 | Round 6 | ATABEY | 13 | 4♥x | ♣6 | = | -14 |
| -10.8 | Round 8 | JILINSHENGQIAOPAIXIEHUI | 26 | 4♥xx | ♠2 | -2 | -9 |