CHUNG Jonky · CTBA
vs par split: bidding -0.38 · play -0.31
Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.02/bd
Card play — on target: opening leads 66.7% #230 of 277 · declarer play 87.5% #53 of 277 · defence 70.4% #249 of 277
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 55.6% (9) |
| Declarer play | 66.7% (3) | 92.3% (13) |
| Defence | 72.7% (11) | 68.8% (16) |
Opening leads by suit led: ♠ 60.0% (5) · ♥ 75.0% (4) · ♦ 33.3% (3) · ♣ 100.0% (3)
vs par by strain: NT -3.18 (17) · a suit +0.42 (38)
vs par by level: part-score -1.00 (27) · game -0.09 (23) · slam -1.80 (5)
By role: declaring +0.08/bd (-2.83 vs par · 29) · defending -0.34/bd (+1.74 vs par · 27)
By vulnerability: vulnerable +0.28/bd (-1.64 vs par · 28) · not vulnerable -0.53/bd (+0.39 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | T.Chung | Z.Fang – Z.Ling | Open | 7 | -8.6 | -1.23 | -0.86 |
| Round 2 | T.Chung | L.Zhang – Q.Zeng | Closed | 7 | -1.3 | -0.19 | -3.86 |
| Round 3 | T.Chung | M.Sheng – X.Sun | Closed | 7 | -6.9 | -0.99 | -1.86 |
| Round 4 | T.Chung | A.Kanetkar – D.Beauchamp | Open | 7 | -5.8 | -0.83 | +0.57 |
| Round 5 | T.Chung | N.Deng – Z.Guo | Closed | 7 | +5.8 | +0.83 | -0.43 |
| Round 6 | T.Chung | B.Cheng – M.Ye | Open | 7 | +3.6 | +0.51 | +1.00 |
| Round 7 | T.Chung | M.Berrada – A.Rerhaye | Open | 7 | +21.1 | +3.01 | +2.43 |
| Round 8 | T.Chung | Y.Lin – H.Wang | Open | 7 | -14.8 | -2.11 | -2.00 |
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 |
|---|---|---|---|---|---|---|---|
| +15.0 | Round 7 | MOROCCAN OPEN T | 16 | 6♠x | ♦Q | -4 | +15 |
| +8.6 | Round 6 | ZHONGFU | 9 | 4♥x | ♦K | -2 | +12 |
| +8.5 | Round 4 | AUSCROWAL | 22 | 4♥ | ♣6 | -1 | +12 |
| +8.3 | Round 7 | MOROCCAN OPEN T | 21 | 4♠ | ♥6 | +2 | +11 |
| +7.0 | Round 2 | GSRC & P UNITED | 13 | 6♠ | ♥4 | +1 | -13 |
| +6.5 | Round 4 | AUSCROWAL | 28 | 3NT | ♣8 | +1 | +4 |
| +5.9 | Round 5 | BEIJING LAWYERS | 2 | 3♥ | ♥5 | = | +7 |
| +4.7 | Round 5 | BEIJING LAWYERS | 7 | 6♥ | ♠A | = | +0 |
| +4.3 | Round 1 | SHAOGUAN RENHUA | 7 | 4♠ | ♥6 | -1 | +6 |
| +3.7 | Round 7 | MOROCCAN OPEN T | 19 | 2♦ | ♥A | -1 | +6 |
| +3.6 | Round 2 | GSRC & P UNITED | 10 | 4♥ | ♠K | = | +3 |
| +3.1 | Round 3 | GUANGZHOU ZHAOHENG | 18 | 3♥ | ♦5 | = | +6 |
| +2.9 | Round 6 | ZHONGFU | 8 | 2♠ | ♦K | = | +5 |
| +2.6 | Round 8 | PING AN CHINA | 24 | 3NT | ♥7 | -1 | +5 |
| +2.3 | Round 3 | GUANGZHOU ZHAOHENG | 20 | 1NT | ♥Q | +2 | -1 |
| +2.0 | Round 8 | PING AN CHINA | 25 | 2♥ | ♠A | +2 | +1 |
| +1.8 | Round 2 | GSRC & P UNITED | 12 | 3♦ | ♣2 | -2 | +0 |
| +1.8 | Round 6 | ZHONGFU | 12 | 4♥ | ♠2 | +1 | +0 |
| +1.7 | Round 6 | ZHONGFU | 10 | 2♦ | ♠3 | +2 | +0 |
| +1.6 | Round 5 | BEIJING LAWYERS | 1 | 4♥ | ♠K | +2 | +1 |
| +1.1 | Round 7 | MOROCCAN OPEN T | 17 | 4♥ | ♦7 | -2 | +7 |
| +0.9 | Round 7 | MOROCCAN OPEN T | 20 | Pass | +3 | ||
| +0.7 | Round 2 | GSRC & P UNITED | 11 | 2♠ | ♥2 | +2 | +2 |
| +0.7 | Round 5 | BEIJING LAWYERS | 6 | 6NT | ♣10 | = | -11 |
| +0.6 | Round 4 | AUSCROWAL | 26 | 2♥ | ♠7 | = | +0 |
| +0.2 | Round 1 | SHAOGUAN RENHUA | 6 | 1NT | ♥4 | +1 | +10 |
| +0.2 | Round 4 | AUSCROWAL | 25 | 3NT | ♠Q | = | +0 |
| -0.6 | Round 3 | GUANGZHOU ZHAOHENG | 15 | 4♥ | ♠9 | +2 | +11 |
| -0.7 | Round 1 | SHAOGUAN RENHUA | 5 | 3♥ | ♠K | = | +0 |
| -0.7 | Round 3 | GUANGZHOU ZHAOHENG | 21 | 4♣ | ♥2 | +1 | -10 |
| -1.4 | Round 8 | PING AN CHINA | 23 | 2♣ | ♠K | +1 | +0 |
| -1.8 | Round 5 | BEIJING LAWYERS | 3 | 3NT | ♥9 | = | +0 |
| -2.0 | Round 6 | ZHONGFU | 13 | 3♠ | ♣A | = | -1 |
| -2.1 | Round 5 | BEIJING LAWYERS | 5 | 2♠ | ♠3 | +3 | +6 |
| -2.3 | Round 1 | SHAOGUAN RENHUA | 2 | 2♥ | ♥5 | +2 | -10 |
| -2.3 | Round 2 | GSRC & P UNITED | 14 | 3NT | ♣2 | -1 | -4 |
| -2.5 | Round 1 | SHAOGUAN RENHUA | 1 | 3NT | ♦10 | = | +1 |
| -2.5 | Round 3 | GUANGZHOU ZHAOHENG | 17 | 4♠ | ♥2 | -1 | -8 |
| -2.7 | Round 8 | PING AN CHINA | 22 | 1NT | ♥Q | = | +1 |
| -3.1 | Round 2 | GSRC & P UNITED | 8 | 1NT | ♠2 | -1 | -5 |
| -3.2 | Round 4 | AUSCROWAL | 24 | 2♠ | ♠5 | -3 | -2 |
| -3.2 | Round 5 | BEIJING LAWYERS | 4 | 4♠ | ♥J | -1 | -6 |
| -3.2 | Round 6 | ZHONGFU | 11 | 2NT | ♥2 | +1 | -2 |
| -3.5 | Round 7 | MOROCCAN OPEN T | 15 | 4♠ | ♥6 | -1 | -12 |
| -3.5 | Round 8 | PING AN CHINA | 27 | 2♠ | ♦Q | +2 | -6 |
| -3.7 | Round 1 | SHAOGUAN RENHUA | 3 | 3♥ | ♠K | +1 | -1 |
| -3.9 | Round 1 | SHAOGUAN RENHUA | 4 | 1NT | ♣K | +1 | -12 |
| -4.2 | Round 3 | GUANGZHOU ZHAOHENG | 16 | 1NT | ♠3 | -1 | -10 |
| -4.3 | Round 3 | GUANGZHOU ZHAOHENG | 19 | 3♠ | ♦K | +1 | -1 |
| -4.4 | Round 7 | MOROCCAN OPEN T | 18 | 5♦ | ♠6 | +1 | -13 |
| -5.4 | Round 8 | PING AN CHINA | 26 | 1NT | ♥3 | +2 | -10 |
| -6.2 | Round 6 | ZHONGFU | 14 | 4♠ | ♠2 | = | -7 |
| -6.4 | Round 8 | PING AN CHINA | 28 | 5♥x | ♠5 | -2 | -5 |
| -8.1 | Round 4 | AUSCROWAL | 23 | 3NT | ♥10 | +1 | -10 |
| -9.0 | Round 2 | GSRC & P UNITED | 9 | 3NT | ♣J | = | -10 |
| -10.3 | Round 4 | AUSCROWAL | 27 | 6♠ | ♦6 | = | +0 |