LUNG Ka-Cheung · CHINA HONG KONG
417rank
-7.2Butler · 90 bds
-0.08per board
±3.9swing
-1.08vs par /bd · #653/695
-0.06adjusted /bd
by round
vs par split: bidding -0.73 · play -0.21
Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.06/bd
Card play — on target: opening leads 82.6% #252 of 694 · declarer play 73.3% #390 of 694 · defence 85.0% #290 of 695
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 75.0% (8) | 86.7% (15) |
| Declarer play | 60.0% (10) | 80.0% (20) |
| Defence | 83.3% (12) | 85.7% (28) |
Opening leads by suit led: ♠ 100.0% (8) · ♥ 50.0% (6) · ♦ 100.0% (6) · ♣ 66.7% (3)
vs par by strain: NT -2.15 (26) · a suit -0.64 (64)
vs par by level: part-score +0.02 (41) · game -2.06 (46) · slam -1.00 (3)
By role: declaring -0.13/bd (-3.50 vs par · 50) · defending -0.01/bd (+1.95 vs par · 40)
By vulnerability: vulnerable -0.63/bd (-3.08 vs par · 47) · not vulnerable +0.52/bd (+1.12 vs par · 43)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | P.Chun | G.Osborne – F.Hinden | Open | 10 | -8.4 | -0.84 | -1.10 |
| Round 3 | P.Chun | F.Baroni – C.Mosca | Open | 10 | +0.8 | +0.08 | -0.10 |
| Round 4 | P.Chun | X.Feng – Y.Sun | Closed | 10 | +3.2 | +0.32 | -0.70 |
| Round 7 | P.Chun | A.Zmudzinski – C.Balicki | Closed | 10 | +4.2 | +0.42 | -1.10 |
| Round 9 | P.Chun | P.Eide – E.Eide | Closed | 10 | +11.3 | +1.13 | +1.60 |
| Round 10 | P.Chun | G.Zivkovic – D.Mossop | Open | 10 | -22.2 | -2.22 | -1.40 |
| Round 12 | P.Chun | A.Turner – M.Cornell | Open | 10 | -9.6 | -0.96 | -6.30 |
| Round 13 | P.Chun | M.Bouvrie – R.Wagenvoord | Closed | 10 | -0.8 | -0.08 | -1.00 |
| Round 14 | P.Chun | M.Di Franco – G.Failla | Open | 10 | +14.3 | +1.43 | +0.40 |
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 |
|---|---|---|---|---|---|---|---|
| +13.2 | Round 4 | CHINA LADIES | 3 | 5♦x | ♣Q | = | +14 |
| +8.6 | Round 14 | VILLA FABBRICHE | 15 | 4♥x | ♠J | -2 | +12 |
| +8.0 | Round 9 | KASPER KONOW | 27 | 3NT | ♦Q | -1 | +8 |
| +5.8 | Round 9 | KASPER KONOW | 23 | 4♥ | ♠J | = | +0 |
| +5.8 | Round 13 | VM 1 | 8 | 1♠ | ♦3 | = | +10 |
| +5.4 | Round 4 | CHINA LADIES | 6 | 5♥x | ♦A | -4 | +4 |
| +5.2 | Round 14 | VILLA FABBRICHE | 18 | 3♠ | ♣5 | -1 | +10 |
| +5.1 | Round 7 | MONACO Z | 8 | 4♠ | ♥3 | +2 | +11 |
| +4.4 | Round 4 | CHINA LADIES | 5 | 5♣ | ♠2 | = | +0 |
| +4.4 | Round 12 | CORNELL NZ NORWAY | 25 | 3NT | ♥7 | +1 | +1 |
| +3.7 | Round 3 | ITALY SENIOR | 25 | 5♦x | ♠K | -1 | +6 |
| +3.7 | Round 14 | VILLA FABBRICHE | 16 | 5♦ | ♣2 | = | +3 |
| +3.4 | Round 9 | KASPER KONOW | 25 | 2♦ | ♥K | +1 | +5 |
| +3.2 | Round 2 | DHONDY | 17 | 3♣ | ♠4 | -1 | +4 |
| +3.2 | Round 14 | VILLA FABBRICHE | 12 | 5♦ | ♠K | -1 | +6 |
| +3.1 | Round 3 | ITALY SENIOR | 29 | 2♠ | ♠6 | -2 | +2 |
| +3.1 | Round 9 | KASPER KONOW | 24 | 2♠ | ♦3 | = | +0 |
| +2.9 | Round 7 | MONACO Z | 9 | 3NT | ♦Q | +1 | +1 |
| +2.9 | Round 10 | MOSSOP | 5 | 1NT | ♠5 | +3 | +3 |
| +2.4 | Round 13 | VM 1 | 7 | 3♠ | ♠5 | = | +0 |
| +2.2 | Round 10 | MOSSOP | 4 | 3♠ | ♣A | -1 | -1 |
| +1.7 | Round 13 | VM 1 | 6 | 3♠ | ♣A | -1 | +8 |
| +1.6 | Round 3 | ITALY SENIOR | 30 | 5♠ | ♦A | -1 | +4 |
| +1.5 | Round 12 | CORNELL NZ NORWAY | 22 | 3♣ | ♥6 | = | -1 |
| +1.5 | Round 12 | CORNELL NZ NORWAY | 26 | 3♦ | ♣A | +1 | +0 |
| +1.4 | Round 7 | MONACO Z | 6 | 3♥ | ♥Q | -1 | +6 |
| +1.3 | Round 9 | KASPER KONOW | 22 | 4♥ | ♠A | +2 | +1 |
| +1.1 | Round 14 | VILLA FABBRICHE | 11 | 1NT | ♣2 | = | +0 |
| +1.1 | Round 14 | VILLA FABBRICHE | 13 | 4♥ | ♥2 | +2 | -13 |
| +1.0 | Round 2 | DHONDY | 18 | 3NT | ♠2 | -1 | +5 |
| +0.8 | Round 3 | ITALY SENIOR | 22 | 2♠ | ♦A | -1 | -2 |
| +0.8 | Round 12 | CORNELL NZ NORWAY | 21 | 3NT | ♦5 | +2 | -12 |
| +0.7 | Round 3 | ITALY SENIOR | 27 | 1NT | ♦2 | +2 | +0 |
| +0.7 | Round 7 | MONACO Z | 7 | 4♠ | ♥K | = | +0 |
| +0.7 | Round 9 | KASPER KONOW | 21 | 3♠ | ♥J | +1 | -1 |
| +0.7 | Round 12 | CORNELL NZ NORWAY | 30 | 5♣ | ♦6 | +1 | -11 |
| +0.6 | Round 3 | ITALY SENIOR | 26 | 2♠ | ♠K | -2 | -2 |
| +0.6 | Round 9 | KASPER KONOW | 28 | 4♥ | ♠K | +2 | -12 |
| +0.5 | Round 7 | MONACO Z | 3 | 3NT | ♥6 | +1 | +1 |
| +0.4 | Round 4 | CHINA LADIES | 4 | 4♥ | ♣4 | +1 | +1 |
| +0.4 | Round 13 | VM 1 | 5 | 3NT | ♣4 | = | -1 |
| +0.3 | Round 10 | MOSSOP | 2 | 3♣ | ♥5 | +1 | +10 |
| +0.2 | Round 2 | DHONDY | 16 | 4♠ | ♥K | -1 | +2 |
| +0.2 | Round 10 | MOSSOP | 8 | 2♠ | ♣6 | +1 | +6 |
| +0.1 | Round 14 | VILLA FABBRICHE | 19 | 4♠ | ♥4 | +1 | +0 |
| -0.0 | Round 13 | VM 1 | 2 | 3♥ | ♦Q | +1 | +8 |
| -0.0 | Round 13 | VM 1 | 10 | 2NT | ♠Q | +1 | -10 |
| -0.2 | Round 7 | MONACO Z | 2 | 3NT | ♥2 | +2 | -1 |
| -0.2 | Round 9 | KASPER KONOW | 29 | 3NT | ♠J | = | +2 |
| -0.3 | Round 13 | VM 1 | 1 | 3NT | ♠5 | +1 | +1 |
| -0.3 | Round 14 | VILLA FABBRICHE | 14 | 3NT | ♦J | = | -11 |
| -0.4 | Round 3 | ITALY SENIOR | 23 | 4♦ | ♣J | -1 | -1 |
| -0.5 | Round 7 | MONACO Z | 5 | 2♥ | ♣5 | = | -1 |
| -0.6 | Round 7 | MONACO Z | 1 | 3♠ | ♥4 | +1 | -6 |
| -0.6 | Round 10 | MOSSOP | 7 | 3♥ | ♦A | +1 | -1 |
| -0.7 | Round 4 | CHINA LADIES | 7 | 3♥ | ♠A | -1 | +0 |
| -0.7 | Round 10 | MOSSOP | 1 | 3NT | ♠6 | +2 | +0 |
| -0.7 | Round 12 | CORNELL NZ NORWAY | 28 | 2♦ | ♠4 | +1 | -1 |
| -1.0 | Round 2 | DHONDY | 12 | 3♥ | ♣8 | = | +0 |
| -1.2 | Round 2 | DHONDY | 19 | 3♠ | ♦K | = | +8 |
| -1.3 | Round 3 | ITALY SENIOR | 21 | 3NT | ♥K | = | +0 |
| -1.4 | Round 2 | DHONDY | 15 | 3♣ | ♣10 | = | +1 |
| -1.4 | Round 10 | MOSSOP | 9 | 3NT | ♠Q | -1 | -6 |
| -1.6 | Round 2 | DHONDY | 20 | 5♦ | -3 | -13 | |
| -1.6 | Round 4 | CHINA LADIES | 2 | 3♦ | ♥3 | -1 | -8 |
| -1.6 | Round 10 | MOSSOP | 3 | 1NT | ♠5 | = | +0 |
| -1.7 | Round 2 | DHONDY | 14 | 4♠ | ♣7 | -2 | +0 |
| -1.8 | Round 4 | CHINA LADIES | 8 | 2♠ | ♦K | = | +0 |
| -2.0 | Round 13 | VM 1 | 9 | 3NT | ♣3 | = | -13 |
| -2.3 | Round 7 | MONACO Z | 4 | 2♠ | ♦10 | -1 | -5 |
| -2.4 | Round 14 | VILLA FABBRICHE | 17 | 6♠ | ♥2 | = | +10 |
| -2.5 | Round 3 | ITALY SENIOR | 24 | 3♣ | ♥K | -2 | +0 |
| -2.6 | Round 2 | DHONDY | 13 | 3NT | ♥3 | +1 | -13 |
| -2.8 | Round 4 | CHINA LADIES | 9 | 4♥ | ♦A | -1 | -6 |
| -2.8 | Round 7 | MONACO Z | 10 | 5♦ | ♥7 | +1 | -17 |
| -3.3 | Round 2 | DHONDY | 11 | 2♦ | ♣Q | = | -5 |
| -3.3 | Round 12 | CORNELL NZ NORWAY | 23 | 3♥ | ♥6 | +2 | -9 |
| -4.1 | Round 4 | CHINA LADIES | 10 | 6♠ | ♠9 | = | +0 |
| -4.1 | Round 13 | VM 1 | 4 | 1NT | ♥4 | +1 | -6 |
| -4.4 | Round 12 | CORNELL NZ NORWAY | 29 | 6♣ | ♠10 | +1 | -13 |
| -4.7 | Round 13 | VM 1 | 3 | 3NT | ♣3 | -2 | -7 |
| -4.8 | Round 12 | CORNELL NZ NORWAY | 27 | 3♥ | ♣10 | +2 | -6 |
| -5.2 | Round 9 | KASPER KONOW | 30 | 3NT | ♠7 | = | +0 |
| -5.3 | Round 12 | CORNELL NZ NORWAY | 24 | 4♥ | ♦K | +2 | -11 |
| -5.5 | Round 3 | ITALY SENIOR | 28 | 4♥ | ♦10 | -1 | -8 |
| -6.0 | Round 14 | VILLA FABBRICHE | 20 | 4♥ | ♠4 | -2 | -13 |
| -6.2 | Round 9 | KASPER KONOW | 26 | 3NT | ♠6 | +1 | +13 |
| -9.2 | Round 4 | CHINA LADIES | 1 | 4♥x | ♥Q | = | -12 |
| -10.7 | Round 10 | MOSSOP | 10 | 3NT | ♦6 | -4 | -11 |
| -12.8 | Round 10 | MOSSOP | 6 | 2♦x | ♥9 | -5 | -14 |