🇹🇼 CHENG Young-Hong · CHINESE TAIPEI

99rank
-45.1Butler · 210 bds
-0.21per board
±4.3swing
+0.15vs par /bd · #57/138
-0.21adjusted /bd
Butler per round: -0.8 -2.4 -4.4 20.1 0.5 -31 -31.2 -13.5 11.7 8.4 -15.4 3.5 -8.4 21.8 -4by round

vs par split: bidding +0.23 · play -0.08

Strength of schedule: opponents averaged +0.00/bd (an average draw) → opponent-adjusted -0.21/bd

Card play — on target: opening leads 80.0% #70 of 138 · declarer play 72.4% #85 of 138 · defence 84.7% #92 of 138

Bidding activity — not a pass: 43.2% #62 of 138 (242/560)

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (14)87.8% (41)
Declarer play57.1% (21)81.1% (37)
Defence79.2% (24)86.2% (87)

Opening leads by suit led: ♠ 73.3% (15) · ♥ 76.9% (13) · ♦ 86.7% (15) · ♣ 83.3% (12)

vs par by strain: NT -0.50 (54) · a suit +0.38 (156)

vs par by level: part-score +0.46 (85) · game +0.20 (115) · slam -3.00 (10)

By role: declaring -0.32/bd (-2.62 vs par · 99) · defending -0.12/bd (+2.62 vs par · 111)

By vulnerability: vulnerable -0.12/bd (+0.74 vs par · 105) · not vulnerable -0.30/bd (-0.44 vs par · 105)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.LinJ.Wolfson – S.GarnerOpen14-0.8-0.06+0.93
Round 2H.LinP.Tuszynski – A.KowalskiOpen14-2.4-0.17+3.29
Round 4H.LinM.Abaza – A.ZeinClosed14-4.4-0.31+0.00
Round 5H.LinG.Tislevoll – M.CornellClosed14+20.1+1.44-1.07
Round 6H.LinR.Chamberlain – P.ShieldsClosed14+0.5+0.04+0.14
Round 8H.LinA.Morath – B.EfraimssonClosed14-31.0-2.21-3.29
Round 12H.LinP.Chottin – D.PilonClosed14-31.2-2.23-2.71
Round 13H.LinO.Ludvigsen – J.MikkelsenOpen14-13.5-0.96+1.21
Round 15H.LinW.Fornasari – L.PalazzoClosed14+11.7+0.84+2.14
Round 16H.LinQ.Li – J.DaiOpen14+8.4+0.60+2.79
Round 17H.LinP.Schaltz – D.SchaltzOpen14-15.4-1.10-2.29
Round 19H.LinA.Sontag – Z.MahmoodOpen14+3.5+0.25+0.14
Round 20H.LinR.Pulga – A.MinaOpen14-8.4-0.60-2.57
Round 21H.LinS.Wan – R.LingClosed14+21.8+1.56+3.21
Round 22H.LinS.Ahmed – D.HanzalaClosed14-4.0-0.29+0.36

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
+12.7Round 15🇦🇷 ARGENTINA64♥♣5=+11
+12.4Round 5🇳🇿 NEW ZEALAND127♥♠K=+0
+11.5Round 19🇺🇸 USA234♠x♣7=+5
+9.8Round 19🇺🇸 USA245♦xx♠K-1+18
+9.5Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND212♣♥6=+10
+9.3Round 5🇳🇿 NEW ZEALAND14♥♦A=+11
+9.1Round 16🇨🇳 CHINA276NT♥4=+0
+8.2Round 4🇪🇬 EGYPT285♥x♠K-3+8
+8.0Round 21🇭🇰 HONG KONG CHINA75♣x♥4-1+7
+7.4Round 21🇭🇰 HONG KONG CHINA93NT♠5+3+12
+7.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND192♥x♦3-2+9
+6.7Round 22🇧🇩 BANGLADESH174♥♦A=+0
+6.6Round 16🇨🇳 CHINA224♦♣6+1+6
+6.1Round 15🇦🇷 ARGENTINA24♠♣J-1+12
+6.0Round 16🇨🇳 CHINA254♠♥2=+0
+6.0Round 20🇮🇹 ITALY282♠x♣A-2+5
+5.6Round 20🇮🇹 ITALY273NT♦5+1+0
+5.2Round 21🇭🇰 HONG KONG CHINA45♣♦A-1+12
+5.1Round 22🇧🇩 BANGLADESH264♥♦K=+3
+5.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283NT♠5+2+1
+4.9Round 22🇧🇩 BANGLADESH225♥x♠Q-1+11
+4.7Round 1🇺🇸 USA164♥♠Q-3+9
+4.7Round 21🇭🇰 HONG KONG CHINA84♥♦5-2+6
+4.5Round 5🇳🇿 NEW ZEALAND73NT♦5-1+6
+4.4Round 1🇺🇸 USA144♠♥2-1+6
+4.3Round 15🇦🇷 ARGENTINA113NT♥2-1+8
+4.3Round 16🇨🇳 CHINA174♥♣K=+0
+4.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND263♥♣4-2+3
+3.8Round 4🇪🇬 EGYPT273♣♥8=+9
+3.7Round 16🇨🇳 CHINA263NT♠7=+10
+3.7Round 16🇨🇳 CHINA283♥♠6+1+8
+3.7Round 17🇩🇰 DENMARK102♠♥J=+6
+3.4Round 16🇨🇳 CHINA163♣♦K-1+5
+3.4Round 19🇺🇸 USA253♠♦7-2+3
+3.3Round 17🇩🇰 DENMARK113♥♠8=+0
+3.1Round 2🇵🇱 POLAND202♦♠6+2+11
+3.1Round 12🇫🇷 FRANCE283♦♦3=-1
+3.1Round 17🇩🇰 DENMARK54♠♦T-2+6
+3.0Round 1🇺🇸 USA172♠♦A+1+11
+2.7Round 13🇳🇴 NORWAY62♠♥3-1+3
+2.6Round 20🇮🇹 ITALY161NT♠5+1+0
+2.5Round 1🇺🇸 USA1143NT♣3+3+2
+2.5Round 2🇵🇱 POLAND153NT♠9+3+12
+2.5Round 13🇳🇴 NORWAY131NT♠5+5-13
+2.4Round 21🇭🇰 HONG KONG CHINA104♠♥T-1+12
+2.3Round 2🇵🇱 POLAND246♠x♥A-4+0
+2.3Round 5🇳🇿 NEW ZEALAND42♠♦K-1+5
+2.2Round 8🇸🇪 SWEDEN242♥♣3=+0
+2.1Round 15🇦🇷 ARGENTINA93♥♦9=+0
+2.0Round 1🇺🇸 USA1104♥♠T=+0
+2.0Round 12🇫🇷 FRANCE185♦♠A=+0
+2.0Round 20🇮🇹 ITALY184♦♠A-1+6
+2.0Round 21🇭🇰 HONG KONG CHINA21NT♣4-4-10
+2.0Round 21🇭🇰 HONG KONG CHINA63♣♠4-1+10
+1.8Round 19🇺🇸 USA2125♣♠Q+1+10
+1.8Round 22🇧🇩 BANGLADESH271NT♣K+3+7
+1.7Round 1🇺🇸 USA1133♦♥6=+6
+1.7Round 5🇳🇿 NEW ZEALAND63NT♣4+2+1
+1.7Round 15🇦🇷 ARGENTINA133NT♦8-1+6
+1.7Round 17🇩🇰 DENMARK33NT♠2=+0
+1.6Round 1🇺🇸 USA183NT♥5=-1
+1.5Round 17🇩🇰 DENMARK82♠♦A-1+4
+1.5Round 19🇺🇸 USA2104♠♥K+2-17
+1.5Round 22🇧🇩 BANGLADESH241NT♦2+1+6
+1.4Round 13🇳🇴 NORWAY143NT♦6+4+14
+1.3Round 22🇧🇩 BANGLADESH235♣♠T-4+6
+1.2Round 4🇪🇬 EGYPT203♠♥8-1+0
+1.2Round 4🇪🇬 EGYPT234♠♦4+2-13
+1.0Round 2🇵🇱 POLAND193NT♦Q+2+11
+1.0Round 4🇪🇬 EGYPT254♣♠A-2+9
+1.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173♥♦A=-1
+1.0Round 12🇫🇷 FRANCE274♥♠6+1-11
+1.0Round 13🇳🇴 NORWAY93♠♦5-2+11
+1.0Round 15🇦🇷 ARGENTINA126♠♦A=+0
+0.9Round 5🇳🇿 NEW ZEALAND34♠♦8=+0
+0.9Round 13🇳🇴 NORWAY84♥♦A=+0
+0.9Round 21🇭🇰 HONG KONG CHINA143♥♦6=+7
+0.8Round 4🇪🇬 EGYPT194♠♣3-1+6
+0.7Round 8🇸🇪 SWEDEN234♠♣5+1+0
+0.7Round 17🇩🇰 DENMARK131NT♦6=-1
+0.7Round 21🇭🇰 HONG KONG CHINA123♦♠K-1-3
+0.6Round 2🇵🇱 POLAND162NT♠8-2+5
+0.6Round 15🇦🇷 ARGENTINA43♣♦K-1+0
+0.6Round 20🇮🇹 ITALY264♠♥2+1+0
+0.5Round 21🇭🇰 HONG KONG CHINA134♠♣2+1+0
+0.5Round 22🇧🇩 BANGLADESH214♠♥Q+1+0
+0.4Round 1🇺🇸 USA194♥♦K+2-11
+0.4Round 5🇳🇿 NEW ZEALAND146♥♣5+1-11
+0.4Round 8🇸🇪 SWEDEN183♥♦J-1-1
+0.4Round 12🇫🇷 FRANCE174♠♣J=+1
+0.4Round 15🇦🇷 ARGENTINA32♥♣A-1-2
+0.3Round 5🇳🇿 NEW ZEALAND133♥♦Q-1-1
+0.3Round 8🇸🇪 SWEDEN223NT♠J=+1
+0.3Round 20🇮🇹 ITALY233NT♠5+2+0
+0.2Round 4🇪🇬 EGYPT163NT♥8=+0
+0.2Round 5🇳🇿 NEW ZEALAND114♣♦Q+1-6
+0.1Round 2🇵🇱 POLAND184♥♠Q+2+13
+0.1Round 2🇵🇱 POLAND274♠♦6=+1
+0.1Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253NT♠Q=-1
+0.1Round 15🇦🇷 ARGENTINA72♥♥6+2+10
+0.1Round 19🇺🇸 USA223NT♥5+1+0
-0.0Round 1🇺🇸 USA154♠♠7+1+0
-0.0Round 5🇳🇿 NEW ZEALAND104♠♥Q=+0
+0.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153♠♥A+1+6
+0.0Round 12🇫🇷 FRANCE204♠♥A+1+13
-0.1Round 2🇵🇱 POLAND232NT♣3+1-1
-0.1Round 8🇸🇪 SWEDEN252♠♣4-2-1
-0.1Round 12🇫🇷 FRANCE224♠♥J=+1
-0.1Round 15🇦🇷 ARGENTINA105♠♦4=+0
-0.1Round 17🇩🇰 DENMARK93NT♣T+3-11
-0.1Round 21🇭🇰 HONG KONG CHINA52NT♣5=+0
-0.2Round 4🇪🇬 EGYPT173NT♦9+1-1
-0.2Round 13🇳🇴 NORWAY12NT♠J-1+4
-0.2Round 17🇩🇰 DENMARK42♥♦8-1+0
-0.2Round 20🇮🇹 ITALY152♥♠A+1-1
-0.3Round 4🇪🇬 EGYPT222♠♦9-1+2
-0.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND182♦♣K=+1
-0.4Round 2🇵🇱 POLAND223NT♥Q+2+11
-0.4Round 13🇳🇴 NORWAY73NT♦7+1+1
-0.4Round 22🇧🇩 BANGLADESH254♥♦A=+1
-0.5Round 16🇨🇳 CHINA234♥♦7+1+13
-0.5Round 22🇧🇩 BANGLADESH154♥♣J=-1
-0.6Round 2🇵🇱 POLAND176NT♥8-1-14
-0.6Round 19🇺🇸 USA274♦♣A=+10
-0.6Round 21🇭🇰 HONG KONG CHINA114♠♣K+1+0
-0.7Round 8🇸🇪 SWEDEN173NT♠A-3-2
-0.7Round 12🇫🇷 FRANCE153NT♥7-2+0
-0.7Round 20🇮🇹 ITALY223NT♦Q=-2
-0.8Round 5🇳🇿 NEW ZEALAND53NT♣J=-2
-0.8Round 12🇫🇷 FRANCE253NT♣5+2+0
-0.8Round 13🇳🇴 NORWAY23NT♥3+1+0
-0.8Round 13🇳🇴 NORWAY56♦♣3=+2
-0.8Round 19🇺🇸 USA2112♥♣J+1+0
-1.0Round 2🇵🇱 POLAND263NT♦2+1+0
-1.0Round 12🇫🇷 FRANCE233♠♣K-1-1
-1.1Round 1🇺🇸 USA113♥♣A=-1
-1.1Round 13🇳🇴 NORWAY44♥♥5+1+0
-1.2Round 20🇮🇹 ITALY173NT♦4+1-11
-1.3Round 5🇳🇿 NEW ZEALAND23NT♣8+3-11
-1.3Round 15🇦🇷 ARGENTINA54♥♦Q+1-1
-1.3Round 20🇮🇹 ITALY213NT♥5=-13
-1.6Round 19🇺🇸 USA2134♠♦2+1+0
-1.6Round 21🇭🇰 HONG KONG CHINA33♣♦T-2+1
-1.7Round 15🇦🇷 ARGENTINA81NT♦6-2+1
-1.8Round 1🇺🇸 USA1113NT♥2+2-1
-1.8Round 4🇪🇬 EGYPT184♥♣2+2+11
-1.9Round 1🇺🇸 USA1124♠♦J=+0
-1.9Round 8🇸🇪 SWEDEN263♥♣2=+0
-1.9Round 17🇩🇰 DENMARK71♣♦Q-1-1
-1.9Round 20🇮🇹 ITALY253NT♠J+2-11
-2.1Round 2🇵🇱 POLAND213♥♣Q+1+8
-2.1Round 8🇸🇪 SWEDEN155♠♣A=-8
-2.1Round 13🇳🇴 NORWAY34♥♣T+1+0
-2.1Round 17🇩🇰 DENMARK62♠♣3-1-7
-2.1Round 19🇺🇸 USA214♥♥J=+0
-2.5Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233♥♦A-1+9
-2.5Round 12🇫🇷 FRANCE213♥♠5=+0
-2.5Round 16🇨🇳 CHINA183♣♦T-2-6
-2.5Round 16🇨🇳 CHINA204♥♥6+2+13
-2.6Round 19🇺🇸 USA2144♠♥K-1-4
-2.6Round 20🇮🇹 ITALY193♥♦A+1-1
-2.7Round 8🇸🇪 SWEDEN215♠♥A=+0
-2.8Round 16🇨🇳 CHINA213♦♠A=-6
-2.8Round 17🇩🇰 DENMARK12♠x♠7-3-2
-2.9Round 4🇪🇬 EGYPT154♥♠4+1-11
-2.9Round 13🇳🇴 NORWAY115♦♣A+1+11
-3.0Round 5🇳🇿 NEW ZEALAND94♥♦K=+0
-3.1Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND272♥♦3-2-5
-3.6Round 16🇨🇳 CHINA152♠♦K=-6
-3.6Round 17🇩🇰 DENMARK144♠♥Q-1-5
-3.7Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND165♥♣A=-11
-3.7Round 22🇧🇩 BANGLADESH184♠♣6=+1
-3.8Round 1🇺🇸 USA123NT♥Q=+0
-3.8Round 2🇵🇱 POLAND282♥♥2=-6
-3.8Round 22🇧🇩 BANGLADESH192♠♣A=-5
-3.9Round 8🇸🇪 SWEDEN282♠♠4-1-4
-3.9Round 22🇧🇩 BANGLADESH203♦♣Q-2-8
-4.1Round 2🇵🇱 POLAND253♠♥A-1-5
-4.2Round 4🇪🇬 EGYPT215♣♣4=-7
-4.2Round 19🇺🇸 USA284♦♥6=+0
-4.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND221NT♥7+1-1
-4.3Round 22🇧🇩 BANGLADESH284♦♣A-4-2
-4.7Round 13🇳🇴 NORWAY102♥♣J+2-8
-4.9Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND242♣♥A+3-6
-5.0Round 8🇸🇪 SWEDEN163NT♥6-1-12
-5.1Round 8🇸🇪 SWEDEN202♠♥A-1+0
-5.4Round 4🇪🇬 EGYPT243NT♦J-2-6
-5.4Round 17🇩🇰 DENMARK125♦♠T-2-7
-5.8Round 12🇫🇷 FRANCE246♥♣K+1-11
-5.8Round 15🇦🇷 ARGENTINA144♥x♣A=-4
-6.0Round 4🇪🇬 EGYPT265♥♠6-1-7
-6.1Round 8🇸🇪 SWEDEN273♣♦A-2-11
-6.3Round 12🇫🇷 FRANCE263♠♣Q-2-7
-6.3Round 19🇺🇸 USA294♠♥A-2-13
-6.4Round 19🇺🇸 USA263♦♠6+1-10
-6.8Round 5🇳🇿 NEW ZEALAND83NT♠Q=-7
-6.8Round 16🇨🇳 CHINA196♠♦J=+11
-7.0Round 8🇸🇪 SWEDEN195♦x♠A-2-8
-7.6Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♠♦A-1-12
-8.4Round 15🇦🇷 ARGENTINA14♥♣4-1-11
-8.5Round 12🇫🇷 FRANCE161♠♦6+3-10
-8.5Round 20🇮🇹 ITALY245♦x♣5-4-9
-9.0Round 13🇳🇴 NORWAY122♥♦7+2-8
-9.1Round 20🇮🇹 ITALY204♥♠6=+1
-9.2Round 22🇧🇩 BANGLADESH163NT♥K-4-14
-9.7Round 16🇨🇳 CHINA244♦x♥7=-9
-9.7Round 21🇭🇰 HONG KONG CHINA14♠x♦A-3-9
-12.0Round 12🇫🇷 FRANCE195♠♥A-1-12
-12.5Round 1🇺🇸 USA136♦♠A=-7
-13.3Round 17🇩🇰 DENMARK24♠♣6-3-14