CHUNG Jonky · CTBA
vs par split: bidding +0.61 · play -0.12
Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted -1.23/bd
Card play — on target: opening leads 62.5% #499 of 579 · declarer play 78.6% #199 of 579 · defence 79.3% #474 of 579
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 66.7% (6) | 60.0% (10) |
| Declarer play | 66.7% (6) | 87.5% (8) |
| Defence | 70.0% (10) | 84.2% (19) |
Opening leads by suit led: ♠ 25.0% (4) · ♥ 83.3% (6) · ♦ 0.0% (2) · ♣ 100.0% (4)
vs par by strain: NT +0.53 (19) · a suit +0.46 (37)
vs par by level: part-score +0.84 (25) · game -0.30 (27) · slam +3.50 (4)
By role: declaring -0.73/bd (-2.22 vs par · 27) · defending -1.81/bd (+3.00 vs par · 29)
By vulnerability: vulnerable -2.56/bd (-0.82 vs par · 28) · not vulnerable -0.01/bd (+1.79 vs par · 28)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | T.Chung | P.Hollands – J.Howard | Closed | 7 | +5.9 | +0.84 | +2.86 |
| Round 2 | T.Chung | B.Mondigir – K.Kamto | Open | 7 | -6.1 | -0.87 | -2.86 |
| Round 3 | T.Chung | K.Tang – J.Zhou | Open | 7 | +1.0 | +0.14 | +1.71 |
| Round 4 | T.Chung | L.Zhou – W.Zhang | Open | 7 | -24.3 | -3.47 | +1.71 |
| Round 5 | T.Chung | T.Sadek – K.Nabil | Open | 7 | -25.1 | -3.59 | -3.57 |
| Round 6 | T.Chung | S.He – Z.He | Open | 7 | -16.8 | -2.40 | +0.43 |
| Round 7 | T.Chung | J.Ho – C.Ho | Open | 7 | -19.8 | -2.83 | -1.86 |
| Round 8 | T.Chung | R.Mihai – P.Weinstock | Open | 7 | +13.0 | +1.86 | +5.43 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 8 | WEINSTOCK | 25 | 5♥ | ♠A | -1 | +12 |
| +6.9 | Round 3 | ZHONGFU | 20 | 2NT | ♥8 | +2 | +15 |
| +6.2 | Round 1 | SILVERFOX | 6 | 3NT | ♦Q | = | +11 |
| +5.5 | Round 2 | INDONESIA | 9 | 3NT | ♠4 | +3 | +3 |
| +5.0 | Round 3 | ZHONGFU | 16 | 6♦ | ♣A | = | -2 |
| +4.0 | Round 8 | WEINSTOCK | 22 | 6♦ | ♠A | -1 | +12 |
| +3.7 | Round 7 | GENTLE | 16 | 2♣ | ♦7 | +3 | +10 |
| +3.2 | Round 8 | WEINSTOCK | 27 | 3♠ | ♥K | = | +6 |
| +3.1 | Round 2 | INDONESIA | 8 | 3♣ | ♦Q | = | +0 |
| +3.0 | Round 1 | SILVERFOX | 3 | 2NT | ♣Q | -3 | +5 |
| +2.4 | Round 1 | SILVERFOX | 4 | 2♠ | ♣9 | = | +6 |
| +2.1 | Round 6 | SHAOGUAN RENHUA | 11 | 4♣ | ♥9 | = | +0 |
| +1.9 | Round 6 | SHAOGUAN RENHUA | 8 | 3♦ | ♦2 | -4 | +6 |
| +1.8 | Round 7 | GENTLE | 18 | 2NT | ♦2 | -1 | +5 |
| +1.8 | Round 8 | WEINSTOCK | 28 | 4♥ | ♣6 | -1 | +10 |
| +1.0 | Round 5 | HUSSEIN | 7 | 4♠ | ♠8 | = | +0 |
| +0.7 | Round 4 | BANK OF CHINA IN HAINAN | 24 | 3NT | ♠5 | = | -2 |
| +0.6 | Round 3 | ZHONGFU | 18 | 3♣ | ♥2 | -2 | +0 |
| +0.4 | Round 5 | HUSSEIN | 5 | 3♥ | ♣K | = | +0 |
| +0.4 | Round 8 | WEINSTOCK | 23 | 1NT | ♦6 | +1 | +0 |
| +0.3 | Round 2 | INDONESIA | 11 | 5♠ | ♥J | = | -10 |
| +0.3 | Round 7 | GENTLE | 20 | 4♥ | ♦5 | +2 | -13 |
| +0.2 | Round 3 | ZHONGFU | 15 | 3♦ | ♣8 | -1 | -2 |
| +0.1 | Round 1 | SILVERFOX | 2 | 3NT | ♥9 | -1 | +5 |
| +0.0 | Round 4 | BANK OF CHINA IN HAINAN | 22 | 3♥ | ♦4 | = | +0 |
| +0.0 | Round 4 | BANK OF CHINA IN HAINAN | 25 | 4♠ | ♦J | +1 | +12 |
| -0.2 | Round 1 | SILVERFOX | 5 | 2♠ | ♠A | +1 | +0 |
| -0.2 | Round 5 | HUSSEIN | 3 | 3NT | ♥8 | -1 | -5 |
| -0.6 | Round 5 | HUSSEIN | 2 | 2♥ | ♠10 | +1 | +0 |
| -0.7 | Round 4 | BANK OF CHINA IN HAINAN | 26 | 5♦ | ♠7 | +2 | +13 |
| -0.7 | Round 7 | GENTLE | 17 | 4♣ | ♦A | = | +0 |
| -0.8 | Round 2 | INDONESIA | 12 | 1NT | ♣3 | = | +2 |
| -0.8 | Round 4 | BANK OF CHINA IN HAINAN | 28 | 3NT | ♣5 | -1 | -6 |
| -0.9 | Round 6 | SHAOGUAN RENHUA | 13 | 2♠ | ♥A | +1 | +0 |
| -1.0 | Round 3 | ZHONGFU | 17 | 1NT | ♥J | -2 | +1 |
| -1.7 | Round 1 | SILVERFOX | 1 | 3♣ | ♠K | -3 | -6 |
| -2.0 | Round 6 | SHAOGUAN RENHUA | 9 | 4♥ | ♣Q | +1 | +12 |
| -2.0 | Round 8 | WEINSTOCK | 26 | 3NT | ♠3 | = | +0 |
| -2.9 | Round 3 | ZHONGFU | 19 | 3NT | ♠8 | +2 | +17 |
| -3.4 | Round 2 | INDONESIA | 14 | 2♠ | ♥4 | = | -6 |
| -3.5 | Round 7 | GENTLE | 19 | 3♣ | ♥10 | -1 | -5 |
| -3.9 | Round 1 | SILVERFOX | 7 | 3NT | ♥5 | +2 | -1 |
| -4.0 | Round 6 | SHAOGUAN RENHUA | 14 | 4♠x | ♦A | -1 | -5 |
| -4.0 | Round 8 | WEINSTOCK | 24 | 5♠x | ♥Q | -3 | -2 |
| -4.3 | Round 2 | INDONESIA | 10 | 4♠ | ♥2 | +1 | -1 |
| -6.5 | Round 2 | INDONESIA | 13 | 4♠ | ♥2 | -3 | -8 |
| -6.5 | Round 5 | HUSSEIN | 6 | 7♣ | ♥J | = | +2 |
| -6.5 | Round 6 | SHAOGUAN RENHUA | 12 | 3NT | ♠7 | +1 | +0 |
| -7.4 | Round 6 | SHAOGUAN RENHUA | 10 | 3NT | ♠Q | = | -10 |
| -7.8 | Round 3 | ZHONGFU | 21 | 4NT | ♦K | +1 | -17 |
| -8.3 | Round 7 | GENTLE | 21 | 4♠ | ♥6 | = | -7 |
| -8.8 | Round 4 | BANK OF CHINA IN HAINAN | 27 | 3♣x | ♦A | +2 | -7 |
| -9.2 | Round 5 | HUSSEIN | 4 | 3NT | ♥2 | -2 | -13 |
| -10.0 | Round 5 | HUSSEIN | 1 | 3♥x | ♣8 | -4 | -9 |
| -13.1 | Round 7 | GENTLE | 15 | 5♥x | ♠K | -4 | -3 |
| -14.7 | Round 4 | BANK OF CHINA IN HAINAN | 23 | 6♣ | ♠10 | = | +2 |