🇭🇰 LAU Chun Ting Arthur · China Hong Kong
81rank
-62.1Butler · 100 bds
-0.62per board
±5.2swing
-0.84adjusted /bd
by round
Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted -0.84/bd
By role: declaring -0.99/bd (46) · defending -0.31/bd (54)
By vulnerability: not vulnerable -0.62/bd (100)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Kong | J.Hu – Y.Shao | Closed | 10 | +34.8 | +3.48 | · |
| Round 3 | K.Kong | A.Edgtton – A.Hung | Closed | 10 | -14.2 | -1.42 | · |
| Round 5 | K.Kong | T.Verbeek – D.Molenaar | Open | 10 | -36.5 | -3.65 | · |
| Round 7 | K.Kong | K.Fay – J.Chiu | Open | 10 | -29.4 | -2.94 | · |
| Round 8 | K.Kong | E.Arvidsson – S.Bech | Closed | 10 | -6.5 | -0.65 | · |
| Round 10 | K.Kong | M.Bartnes – E.Berg | Closed | 10 | -2.2 | -0.22 | · |
| Round 11 | K.Kong | I.Volozhenin – K.Nekrasova | Closed | 10 | +2.5 | +0.25 | · |
| Round 12 | K.Kong | P.Bachiaju – M.Agarwal | Open | 10 | -12.9 | -1.29 | · |
| Round 15 | K.Kong | C.Zhou – A.Blagov | Open | 10 | +18.2 | +1.82 | · |
| Round 16 | K.Kong | N.Nakayama – S.Gotoda | Open | 10 | -15.9 | -1.59 | · |
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 |
|---|---|---|---|---|---|---|---|
| +10.9 | Round 1 | 🇨🇳 China | 6 | 3N | ♥4 | -3 | · |
| +10.7 | Round 11 | 🇷🇺 Russia | 17 | 6♥ | ♣6 | = | · |
| +10.4 | Round 12 | 🇮🇳 India | 25 | 3N | ♠5 | = | · |
| +10.1 | Round 11 | 🇷🇺 Russia | 20 | 3♦x | ♦7 | = | · |
| +9.3 | Round 1 | 🇨🇳 China | 8 | 6♠x | ♦A | -2 | · |
| +9.3 | Round 1 | 🇨🇳 China | 9 | 4♠ | ♥2 | -1 | · |
| +9.3 | Round 15 | 🇨🇦 Canada | 25 | 3N | ♠4 | -2 | · |
| +8.4 | Round 15 | 🇨🇦 Canada | 21 | 3♥ | ♦3 | -2 | · |
| +6.1 | Round 3 | 🇦🇺 Australia | 28 | 4♠ | ♥K | +1 | · |
| +5.9 | Round 15 | 🇨🇦 Canada | 29 | 1N | ♦3 | -1 | · |
| +4.9 | Round 8 | 🇸🇪 Sweden | 16 | 3N | ♠2 | = | · |
| +4.6 | Round 8 | 🇸🇪 Sweden | 14 | 1N | ♣2 | -2 | · |
| +4.3 | Round 3 | 🇦🇺 Australia | 24 | 4♥ | ♣Q | -1 | · |
| +4.1 | Round 10 | 🇳🇴 Norway | 5 | 2♥ | ♣K | = | · |
| +3.7 | Round 7 | 🇺🇸 USA 1 | 9 | 2♠ | ♠Q | = | · |
| +3.7 | Round 10 | 🇳🇴 Norway | 6 | 4♥ | ♣2 | +1 | · |
| +3.7 | Round 12 | 🇮🇳 India | 28 | 4♠ | ♣7 | -1 | · |
| +3.7 | Round 15 | 🇨🇦 Canada | 30 | 3♦ | ♥J | -2 | · |
| +3.6 | Round 1 | 🇨🇳 China | 10 | 2♥ | ♠6 | -2 | · |
| +3.3 | Round 5 | 🇳🇱 Netherlands | 18 | 3♠ | ♥A | = | · |
| +3.1 | Round 16 | 🇯🇵 Japan | 3 | 3♣ | ♦K | = | · |
| +2.9 | Round 7 | 🇺🇸 USA 1 | 6 | 1N | ♠K | -3 | · |
| +2.8 | Round 15 | 🇨🇦 Canada | 26 | 4♣ | ♠A | -1 | · |
| +2.7 | Round 8 | 🇸🇪 Sweden | 12 | 1♠ | ♦Q | -1 | · |
| +2.5 | Round 3 | 🇦🇺 Australia | 30 | 3♦ | ♣K | +1 | · |
| +2.5 | Round 10 | 🇳🇴 Norway | 4 | 3♣ | ♥A | -1 | · |
| +2.5 | Round 11 | 🇷🇺 Russia | 13 | 3N | ♠T | +3 | · |
| +2.3 | Round 5 | 🇳🇱 Netherlands | 20 | 3♦ | ♣K | -2 | · |
| +2.2 | Round 8 | 🇸🇪 Sweden | 19 | 2♥ | ♦5 | = | · |
| +2.1 | Round 12 | 🇮🇳 India | 29 | 3N | ♥6 | +3 | · |
| +2.0 | Round 10 | 🇳🇴 Norway | 10 | 1N | ♥Q | -2 | · |
| +1.7 | Round 1 | 🇨🇳 China | 4 | 2♠ | ♣K | -1 | · |
| +1.3 | Round 7 | 🇺🇸 USA 1 | 2 | 3N | ♥3 | +2 | · |
| +1.1 | Round 1 | 🇨🇳 China | 3 | 4♠ | ♥3 | +2 | · |
| +1.1 | Round 8 | 🇸🇪 Sweden | 18 | 5♠ | ♦T | -1 | · |
| +0.9 | Round 11 | 🇷🇺 Russia | 18 | 1N | ♥2 | +1 | · |
| +0.7 | Round 1 | 🇨🇳 China | 5 | 2♦ | ♣Q | = | · |
| +0.7 | Round 10 | 🇳🇴 Norway | 3 | 4♠ | ♦3 | +2 | · |
| +0.7 | Round 16 | 🇯🇵 Japan | 10 | 4♥ | ♠4 | = | · |
| +0.6 | Round 15 | 🇨🇦 Canada | 27 | 3♠ | ♣K | -2 | · |
| +0.5 | Round 5 | 🇳🇱 Netherlands | 12 | 4♥ | ♠A | = | · |
| +0.5 | Round 10 | 🇳🇴 Norway | 7 | 4N | ♣5 | = | · |
| +0.3 | Round 7 | 🇺🇸 USA 1 | 7 | 3N | ♠T | = | · |
| +0.3 | Round 16 | 🇯🇵 Japan | 5 | 4♠ | ♥J | = | · |
| +0.2 | Round 1 | 🇨🇳 China | 1 | 2♣ | ♦5 | = | · |
| +0.1 | Round 8 | 🇸🇪 Sweden | 20 | 3♦ | ♥7 | = | · |
| +0.1 | Round 12 | 🇮🇳 India | 30 | 2♠ | ♣A | +1 | · |
| +0.0 | Round 7 | 🇺🇸 USA 1 | 3 | 4♠ | ♥J | +1 | · |
| -0.1 | Round 8 | 🇸🇪 Sweden | 15 | 4♠ | ♦4 | +2 | · |
| -0.4 | Round 7 | 🇺🇸 USA 1 | 10 | 1♦ | ♠2 | -1 | · |
| -0.5 | Round 1 | 🇨🇳 China | 7 | 1N | ♥4 | = | · |
| -1.1 | Round 16 | 🇯🇵 Japan | 1 | 5♦ | ♥5 | = | · |
| -1.1 | Round 16 | 🇯🇵 Japan | 9 | 3♠ | ♦K | = | · |
| -1.3 | Round 10 | 🇳🇴 Norway | 1 | 4♠ | ♣3 | -1 | · |
| -1.3 | Round 11 | 🇷🇺 Russia | 11 | 6N | ♥5 | = | · |
| -1.3 | Round 16 | 🇯🇵 Japan | 2 | 4♠ | ♥A | -1 | · |
| -1.4 | Round 10 | 🇳🇴 Norway | 8 | 6♣ | ♠3 | = | · |
| -1.4 | Round 16 | 🇯🇵 Japan | 4 | 4♠ | ♠5 | +1 | · |
| -1.5 | Round 1 | 🇨🇳 China | 2 | 3N | ♦2 | +1 | · |
| -1.5 | Round 3 | 🇦🇺 Australia | 21 | 4♥ | ♦5 | +1 | · |
| -1.7 | Round 5 | 🇳🇱 Netherlands | 13 | 1N | ♥K | -1 | · |
| -1.8 | Round 15 | 🇨🇦 Canada | 24 | 5♠ | ♣K | = | · |
| -1.9 | Round 3 | 🇦🇺 Australia | 22 | 5♣ | ♥2 | +1 | · |
| -1.9 | Round 16 | 🇯🇵 Japan | 7 | 4♥ | ♦6 | +2 | · |
| -2.0 | Round 3 | 🇦🇺 Australia | 27 | 3♠ | ♣4 | = | · |
| -2.1 | Round 3 | 🇦🇺 Australia | 25 | 2♥ | ♦7 | -2 | · |
| -2.3 | Round 5 | 🇳🇱 Netherlands | 16 | 4♣ | ♣7 | -1 | · |
| -2.3 | Round 11 | 🇷🇺 Russia | 19 | 3♠ | ♦5 | -1 | · |
| -2.5 | Round 11 | 🇷🇺 Russia | 12 | 2♠ | ♥Q | -2 | · |
| -2.5 | Round 11 | 🇷🇺 Russia | 16 | 1N | ♥J | +1 | · |
| -2.5 | Round 15 | 🇨🇦 Canada | 22 | 1N | ♦3 | +2 | · |
| -2.8 | Round 11 | 🇷🇺 Russia | 14 | 3♥ | ♠7 | = | · |
| -3.1 | Round 8 | 🇸🇪 Sweden | 11 | 4♠ | ♦Q | +1 | · |
| -3.1 | Round 12 | 🇮🇳 India | 22 | 4♠ | ♥4 | -1 | · |
| -3.3 | Round 5 | 🇳🇱 Netherlands | 15 | 6♥ | ♣4 | -1 | · |
| -3.8 | Round 12 | 🇮🇳 India | 27 | 4♦ | ♦A | = | · |
| -3.9 | Round 10 | 🇳🇴 Norway | 9 | 3N | ♠3 | -2 | · |
| -3.9 | Round 12 | 🇮🇳 India | 23 | 5♣x | ♥K | -1 | · |
| -4.0 | Round 15 | 🇨🇦 Canada | 28 | 3N | ♣Q | +2 | · |
| -4.1 | Round 5 | 🇳🇱 Netherlands | 11 | 4♥x | ♠K | -1 | · |
| -4.2 | Round 15 | 🇨🇦 Canada | 23 | 2N | ♣6 | -1 | · |
| -4.4 | Round 16 | 🇯🇵 Japan | 6 | 6♠ | ♣T | = | · |
| -5.1 | Round 12 | 🇮🇳 India | 24 | 4♥ | ♦A | -1 | · |
| -5.6 | Round 3 | 🇦🇺 Australia | 23 | 3N | ♦6 | +1 | · |
| -5.6 | Round 12 | 🇮🇳 India | 26 | 3N | ♣2 | = | · |
| -5.7 | Round 3 | 🇦🇺 Australia | 26 | 4♥ | ♦K | -1 | · |
| -7.1 | Round 7 | 🇺🇸 USA 1 | 5 | 5♦x | ♣A | = | · |
| -7.7 | Round 12 | 🇮🇳 India | 21 | 3♠x | ♦3 | = | · |
| -8.0 | Round 7 | 🇺🇸 USA 1 | 8 | 6N | ♣Q | = | · |
| -8.1 | Round 5 | 🇳🇱 Netherlands | 14 | 4♥ | ♠3 | -1 | · |
| -8.3 | Round 3 | 🇦🇺 Australia | 29 | 6♥x | ♦T | -2 | · |
| -8.8 | Round 16 | 🇯🇵 Japan | 8 | 4♥ | ♥T | +2 | · |
| -9.1 | Round 10 | 🇳🇴 Norway | 2 | 2N | ♦T | -1 | · |
| -9.2 | Round 8 | 🇸🇪 Sweden | 13 | 3N | ♣2 | -5 | · |
| -9.7 | Round 8 | 🇸🇪 Sweden | 17 | 6♥ | ♠K | = | · |
| -10.0 | Round 5 | 🇳🇱 Netherlands | 17 | 2♠x | ♣K | = | · |
| -10.3 | Round 11 | 🇷🇺 Russia | 15 | 6♥ | ♦9 | -2 | · |
| -10.4 | Round 7 | 🇺🇸 USA 1 | 1 | 4♦x | ♠J | -3 | · |
| -11.7 | Round 7 | 🇺🇸 USA 1 | 4 | 5♦x | ♥9 | -3 | · |
| -13.1 | Round 5 | 🇳🇱 Netherlands | 19 | 6♠ | ♣7 | -2 | · |