🇭🇰 CHEUNG Wai Lam · HONG KONG CHINA

76rank
+3.3Butler · 204 bds
+0.02per board
±4.9swing
+0.22vs par /bd · #59/134
-0.03adjusted /bd
Butler per round: -13 -9.8 40.7 -18.1 14.3 -2.4 -11.5 -18.7 -5.3 46.4 26.8 -15.9 5.1 10.9 12.5 -16.2 -42.5by round

vs par split: bidding +0.20 · play +0.02

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.03/bd

Card play — on target: opening leads 84.6% #46 of 134 · declarer play 78.6% #46 of 134 · defence 80.9% #84 of 134

Bidding activity — not a pass: 49.1% #12 of 134 (289/589)

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (15)87.5% (24)
Declarer play77.3% (22)79.4% (34)
Defence73.5% (34)85.0% (60)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 88.9% (9) · ♦ 83.3% (12) · ♣ 88.9% (9)

vs par by strain: NT +1.33 (73) · a suit -0.41 (131)

vs par by level: part-score -0.31 (78) · game +0.44 (116) · slam +1.70 (10)

By role: declaring -0.04/bd (-1.77 vs par · 110) · defending +0.09/bd (+2.54 vs par · 94)

By vulnerability: vulnerable -0.19/bd (-0.52 vs par · 102) · not vulnerable +0.22/bd (+0.95 vs par · 102)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.ChanB.Miao – S.GuClosed12-13.0-1.08+0.42
Round 3L.ChanG.Donati – F.PortaOpen12-9.8-0.82-1.00
Round 4L.ChanJ.Bazyluk – T.KielbasaOpen12+40.7+3.39+4.08
Round 5L.ChanH.Gao – N.XuClosed12-18.1-1.51+0.33
Round 7L.ChanJ.Tomlin – D.GueOpen12+14.3+1.19+0.50
Round 8L.ChanF.Kritsalis – P.SkordasClosed12-2.4-0.20-0.25
Round 9L.ChanS.Van Oosten – S.ThorpeOpen12-11.5-0.96+0.92
Round 10L.ChanR.Jeng – B.XiaoClosed12-18.7-1.56+0.00
Round 12L.ChanM.Eker – C.GulezClosed12-5.3-0.44-1.33
Round 13L.ChanP.Nicholls – R.LordeOpen12+46.4+3.87+0.75
Round 14L.ChanR.Kondo – H.YonekuraClosed12+26.8+2.23+1.92
Round 16L.ChanR.Maide – J.KaasikClosed12-15.9-1.32-3.00
Round 17L.ChanS.Anoyrkatis – D.WinterOpen12+5.1+0.42+1.00
Round 19L.ChanS.Basu – S.SarkarOpen12+10.9+0.91+1.25
Round 21L.ChanT.Popowsky – C.FeintuchOpen12+12.5+1.04+1.00
Round 22L.ChanF.Doermer – S.FarwigClosed12-16.2-1.35+1.50
Round 23L.ChanW.Ye – Y.LinClosed12-42.5-3.54-4.42

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.

ButlerRoundOpponentsBdContractLeadResvs par
+14.2Round 13🇧🇧 BARBADOS95♦x♠K-5+14
+11.7Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♥5-1+13
+11.2Round 4🇵🇱 POLAND176NT♠5-2+14
+11.2Round 13🇧🇧 BARBADOS43NT♥J-1+12
+10.8Round 4🇵🇱 POLAND216♠x♥A=+16
+10.1Round 21🇦🇷 ARGENTINA13NT♦5-1+10
+10.0Round 7🇦🇺 AUSTRALIA43NT♠T=+10
+9.7Round 9🇳🇱 NETHERLANDS103NTx♠8-1+13
+9.1Round 4🇵🇱 POLAND155♦x♠3=+10
+8.7Round 23🇹🇼 CHINESE TAIPEI73NT♠A=+0
+8.1Round 3🇮🇹 ITALY125♥♦7-2+2
+7.9Round 19🇮🇳 INDIA114♠♦5+1-11
+7.7Round 19🇮🇳 INDIA33NT♦K-1+10
+7.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♥Q-2+11
+6.7Round 13🇧🇧 BARBADOS113NT♠9+2+1
+6.3Round 9🇳🇱 NETHERLANDS46♠x♣J-1+7
+6.3Round 19🇮🇳 INDIA55♠♥7-1+13
+6.2Round 1🇨🇳 CHINA93NT♦5=+0
+6.0Round 10🇺🇸 USA2194♥♣7+2+5
+6.0Round 14🇯🇵 JAPAN244♥♦4-1+10
+5.7Round 14🇯🇵 JAPAN142♠♣A+1-4
+5.6Round 22🇩🇪 GERMANY153♥♦2-1+12
+5.5Round 12🇹🇷 TURKIYE243♣♠A+1+6
+5.5Round 14🇯🇵 JAPAN153♠♣A=+12
+5.4Round 21🇦🇷 ARGENTINA95♥x♠Q-2+5
+5.1Round 4🇵🇱 POLAND233NT♠4=+3
+5.1Round 12🇹🇷 TURKIYE173NT♦5+1+0
+5.0Round 8🇬🇷 GREECE215♥x♣Q=+5
+4.8Round 16🇪🇪 ESTONIA231NT♦J=+5
+4.7Round 12🇹🇷 TURKIYE134♥♦A+1-16
+4.6Round 3🇮🇹 ITALY83NT♠3+2+8
+4.6Round 13🇧🇧 BARBADOS13♦♥A-2-5
+4.5Round 13🇧🇧 BARBADOS102♠♥4-1+6
+4.4Round 4🇵🇱 POLAND143NT♠6-2+6
+4.4Round 10🇺🇸 USA2132♥♠2+1+1
+4.4Round 22🇩🇪 GERMANY204♥♠5+1+10
+4.3Round 13🇧🇧 BARBADOS66♥♠7+1+1
+4.1Round 7🇦🇺 AUSTRALIA53♣♦5+1+9
+4.0Round 7🇦🇺 AUSTRALIA23NT♠J-1+6
+4.0Round 23🇹🇼 CHINESE TAIPEI96♠x♦A-3+5
+3.8Round 7🇦🇺 AUSTRALIA94♠♣K=+3
+3.8Round 13🇧🇧 BARBADOS54♥♠8=+0
+3.7Round 8🇬🇷 GREECE201NT♥5+1+0
+3.6Round 21🇦🇷 ARGENTINA113NT♠9-1+10
+3.5Round 12🇹🇷 TURKIYE183NT♠A+2+1
+3.4Round 4🇵🇱 POLAND243NT♥Q=+0
+3.4Round 14🇯🇵 JAPAN233NT♦5+1+0
+3.3Round 3🇮🇹 ITALY114♠♣K+2-8
+3.3Round 13🇧🇧 BARBADOS83♥♣K+2+6
+3.2Round 1🇨🇳 CHINA34♥x♠3-1+3
+3.0Round 8🇬🇷 GREECE233NT♠J-1+12
+3.0Round 14🇯🇵 JAPAN173♦♠7=+0
+3.0Round 16🇪🇪 ESTONIA163♣♦A+1+0
+3.0Round 21🇦🇷 ARGENTINA32♥♣6+3+3
+2.9Round 1🇨🇳 CHINA64♠♣3+1+13
+2.7Round 1🇨🇳 CHINA104♠♣7=+0
+2.7Round 14🇯🇵 JAPAN203NT♦4+3+13
+2.7Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♦♥J=+0
+2.5Round 16🇪🇪 ESTONIA183NT♠K+1+1
+2.4Round 19🇮🇳 INDIA123♦♠3+1+1
+2.3Round 13🇧🇧 BARBADOS122♦♣4+1+0
+2.2Round 4🇵🇱 POLAND183♠♦Q=+6
+2.2Round 5🇸🇬 SINGAPORE61NT♠J+1+1
+2.2Round 8🇬🇷 GREECE183NT♠6+1+0
+2.1Round 5🇸🇬 SINGAPORE94♥♣8+2+13
+2.1Round 9🇳🇱 NETHERLANDS14♥♠K-3+6
+2.1Round 21🇦🇷 ARGENTINA42♠♥6-1+0
+2.0Round 12🇹🇷 TURKIYE201NT♠T-1+1
+1.8Round 3🇮🇹 ITALY34♦♠K=+0
+1.8Round 7🇦🇺 AUSTRALIA31NT♦7+2+2
+1.8Round 14🇯🇵 JAPAN192♠♥8-1+1
+1.7Round 5🇸🇬 SINGAPORE34♠♣K-1+6
+1.7Round 12🇹🇷 TURKIYE144♥♣J+1+11
+1.7Round 14🇯🇵 JAPAN223NT♠7-2-7
+1.6Round 7🇦🇺 AUSTRALIA123NT♣T-1+5
+1.6Round 16🇪🇪 ESTONIA193NT♣6+2-12
+1.5Round 22🇩🇪 GERMANY226♠x♣A-6-1
+1.3Round 4🇵🇱 POLAND161NT♥5+1+6
+1.3Round 19🇮🇳 INDIA43NT♥8=+1
+1.2Round 10🇺🇸 USA2204♥♦4+1+0
+1.2Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103♣♠K=+0
+0.9Round 10🇺🇸 USA2231NT♥4+2+1
+0.9Round 16🇪🇪 ESTONIA172♠♠9+2-6
+0.7Round 4🇵🇱 POLAND223NT♥7+1-1
+0.7Round 19🇮🇳 INDIA102NT♠2+1+0
+0.7Round 22🇩🇪 GERMANY242♣♦2=+2
+0.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND25♥♠2=+0
+0.6Round 22🇩🇪 GERMANY174♥♠8-1+10
+0.5Round 1🇨🇳 CHINA113NT♣T+1+11
+0.4Round 3🇮🇹 ITALY91NT♣K=+2
+0.4Round 16🇪🇪 ESTONIA134♠♥3=+1
+0.3Round 7🇦🇺 AUSTRALIA114♥♣Q+2-11
+0.3Round 8🇬🇷 GREECE142♠♠3=+0
+0.3Round 22🇩🇪 GERMANY213NT♠9+2+12
+0.3Round 23🇹🇼 CHINESE TAIPEI114♣♠6-1-2
+0.2Round 13🇧🇧 BARBADOS21NT♠5=-2
+0.2Round 21🇦🇷 ARGENTINA63NT♣6=-2
+0.0Round 4🇵🇱 POLAND204♠♥T+1+0
+0.0Round 14🇯🇵 JAPAN161NT♦6+1+1
-0.2Round 7🇦🇺 AUSTRALIA72♠♥T+1+0
-0.3Round 5🇸🇬 SINGAPORE102♠♣K+1+0
-0.3Round 8🇬🇷 GREECE224♠♠A=+0
-0.3Round 9🇳🇱 NETHERLANDS52♥♦Q-1-4
-0.3Round 14🇯🇵 JAPAN215♣♠A-2+5
-0.3Round 21🇦🇷 ARGENTINA22♥♦7+2-6
-0.4Round 8🇬🇷 GREECE154♠♠T=+0
-0.5Round 5🇸🇬 SINGAPORE84♠♥K+1+0
-0.6Round 10🇺🇸 USA2153NT♥9+2+0
-0.6Round 10🇺🇸 USA2162♥♥7=+0
-0.6Round 16🇪🇪 ESTONIA213♠♥J-1+2
-0.6Round 21🇦🇷 ARGENTINA53NT♣4+1-1
-0.7Round 4🇵🇱 POLAND132♠♥K=-1
-0.7Round 9🇳🇱 NETHERLANDS85♦x♠2-3+10
-0.7Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND92NT♥2-1+5
-0.8Round 5🇸🇬 SINGAPORE113♦♣2=+1
-0.8Round 9🇳🇱 NETHERLANDS114♠♥7+2-2
-0.8Round 12🇹🇷 TURKIYE232♠♥9+1+0
-0.8Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND41NT♠K+3+9
-0.9Round 22🇩🇪 GERMANY184♠♦A=+0
-1.0Round 3🇮🇹 ITALY13♦♥7-1-2
-1.0Round 8🇬🇷 GREECE134♥♣4-1-6
-1.0Round 14🇯🇵 JAPAN134♠♥6+2-3
-1.0Round 19🇮🇳 INDIA74♠♣2-2+7
-1.1Round 7🇦🇺 AUSTRALIA65♠♦3-2-11
-1.1Round 22🇩🇪 GERMANY193NT♥3+1+0
-1.1Round 23🇹🇼 CHINESE TAIPEI82♥♦2=+1
-1.2Round 23🇹🇼 CHINESE TAIPEI103NT♦J+1+1
-1.3Round 5🇸🇬 SINGAPORE54♠♦Q+1+10
-1.4Round 7🇦🇺 AUSTRALIA13NT♠6+2+0
-1.4Round 10🇺🇸 USA2222♠♥A+2-1
-1.4Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♥♠A=+0
-1.5Round 1🇨🇳 CHINA84♠♥J=+0
-1.6Round 12🇹🇷 TURKIYE212♠♣7-1+2
-1.6Round 19🇮🇳 INDIA83♠♣5=-6
-1.7Round 14🇯🇵 JAPAN183NT♦5-1-5
-1.7Round 19🇮🇳 INDIA62♠♥Q=+0
-1.7Round 22🇩🇪 GERMANY236♥♥6=+0
-1.9Round 3🇮🇹 ITALY63♥♠A+1-1
-1.9Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♦♦4-1-3
-2.0Round 23🇹🇼 CHINESE TAIPEI63♠♣A=+0
-2.1Round 3🇮🇹 ITALY24♥♣3+1+0
-2.1Round 8🇬🇷 GREECE172♠x♠2-2+4
-2.1Round 21🇦🇷 ARGENTINA83NT♥6=+1
-2.2Round 9🇳🇱 NETHERLANDS72♠♦4+1+0
-2.3Round 21🇦🇷 ARGENTINA123NT♥3+2-1
-2.3Round 23🇹🇼 CHINESE TAIPEI24♥x♣A-2-5
-2.4Round 9🇳🇱 NETHERLANDS32♠♥3-1+0
-2.5Round 1🇨🇳 CHINA123♠♦9=-1
-2.5Round 5🇸🇬 SINGAPORE45♦♥T-1+3
-2.6Round 19🇮🇳 INDIA23NT♠7=+2
-2.7Round 9🇳🇱 NETHERLANDS25♦x♥A-3+0
-2.9Round 23🇹🇼 CHINESE TAIPEI32NT♠T-2-7
-3.0Round 3🇮🇹 ITALY44♠♥9=+0
-3.0Round 16🇪🇪 ESTONIA243♥♣K=-1
-3.0Round 21🇦🇷 ARGENTINA101♠♥5+1+0
-3.2Round 7🇦🇺 AUSTRALIA102♠♣J+2-1
-3.3Round 22🇩🇪 GERMANY131NT♥2-2-3
-3.4Round 3🇮🇹 ITALY73♠♣J-1-6
-3.4Round 5🇸🇬 SINGAPORE124♥♠8+1-6
-3.5Round 9🇳🇱 NETHERLANDS123NT♠K-3-6
-3.6Round 13🇧🇧 BARBADOS74♠♥A-1-12
-3.6Round 21🇦🇷 ARGENTINA72♥♣3+2-7
-3.7Round 1🇨🇳 CHINA51NT♠4-1-5
-3.7Round 5🇸🇬 SINGAPORE22♥♣J-1-6
-3.7Round 8🇬🇷 GREECE243NT♠Q-3-6
-3.7Round 19🇮🇳 INDIA12♥♠K-3-7
-3.8Round 1🇨🇳 CHINA23NT♠Q-1-6
-3.8Round 10🇺🇸 USA2185♥♠5=-4
-3.9Round 1🇨🇳 CHINA71NT♣9-2-3
-3.9Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33NT♠K-1-12
-4.1Round 23🇹🇼 CHINESE TAIPEI121NT♦7-3-1
-4.3Round 8🇬🇷 GREECE195♥x♠2-1+0
-4.3Round 10🇺🇸 USA2173♥♠A-4-2
-4.4Round 12🇹🇷 TURKIYE223NT♣A+3-2
-4.5Round 5🇸🇬 SINGAPORE72NT♠9+1-7
-4.6Round 12🇹🇷 TURKIYE153♥♠K=+0
-4.6Round 12🇹🇷 TURKIYE163NT♥5+1-7
-4.7Round 16🇪🇪 ESTONIA205♠♦J+2-12
-4.8Round 8🇬🇷 GREECE164♥♦2-1-12
-4.8Round 19🇮🇳 INDIA93NT♦5-1+5
-5.0Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♥♣K=+1
-5.0Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND73NT♥T-1-12
-5.1Round 13🇧🇧 BARBADOS33NT♠5-1-12
-5.2Round 16🇪🇪 ESTONIA144♠♦K=+0
-5.4Round 7🇦🇺 AUSTRALIA83♥♦Q-2-6
-5.7Round 16🇪🇪 ESTONIA153NT♦5=+0
-5.8Round 1🇨🇳 CHINA15♠x♦8-1+0
-6.0Round 9🇳🇱 NETHERLANDS92♠♥7-2-8
-6.1Round 10🇺🇸 USA2246♦♥A=+2
-6.7Round 10🇺🇸 USA2213NT♣5=+1
-6.8Round 4🇵🇱 POLAND193NT♠8-1-10
-7.1Round 5🇸🇬 SINGAPORE14♠♠5+2-11
-7.3Round 1🇨🇳 CHINA46♦♣J=-7
-7.3Round 3🇮🇹 ITALY103NT♥2=+1
-7.6Round 22🇩🇪 GERMANY164♠♣J-1-9
-7.7Round 10🇺🇸 USA2144♠♦Q=-3
-9.3Round 3🇮🇹 ITALY55♥x♠A-3-8
-9.9Round 16🇪🇪 ESTONIA224♥♣T+3-14
-11.0Round 9🇳🇱 NETHERLANDS62♥x♠8-6-5
-11.8Round 12🇹🇷 TURKIYE195♥x♦8-2-12
-12.3Round 23🇹🇼 CHINESE TAIPEI15♦x♦3-5-12
-14.1Round 23🇹🇼 CHINESE TAIPEI52♠x♥4+1-13
-14.7Round 22🇩🇪 GERMANY144♥x♦K-5-15
-15.5Round 23🇹🇼 CHINESE TAIPEI47♠♣8-1-20