🇹🇼 CHEN Yin-Shou · CHINESE TAIPEI

79rank
+6.0Butler · 256 bds
+0.02per board
±4.7swing
+0.18vs par /bd · #57/140
+0.04adjusted /bd
Butler per round: 28 -13 35.4 -46 -21 21.6 -12.8 18.1 2.1 -1.4 -6.9 -12 5.6 -38.4 50.9 -4.2by round

vs par split: bidding -0.16 · play +0.34

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.04/bd

Card play — on target: opening leads 80.4% #40 of 140 · declarer play 78.3% #26 of 140 · defence 88.1% #40 of 140

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (16)82.5% (40)
Declarer play64.7% (34)91.4% (35)
Defence87.1% (31)88.5% (87)

Opening leads by suit led: ♠ 69.2% (13) · ♥ 93.3% (15) · ♦ 76.9% (13) · ♣ 80.0% (15)

vs par by strain: NT -0.01 (92) · a suit +0.29 (164)

vs par by level: part-score +0.17 (87) · game +0.37 (147) · slam -1.04 (22)

By role: declaring +0.13/bd (-1.88 vs par · 138) · defending -0.11/bd (+2.58 vs par · 118)

By vulnerability: vulnerable +0.12/bd (+0.08 vs par · 128) · not vulnerable -0.08/bd (+0.28 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.LinP.Batra – A.SharmaClosed16+28.0+1.75+2.38
Round 2Y.LinC.Bernstein – S.WheelerOpen16-13.0-0.81-3.75
Round 4Y.LinR.Kaplan – L.IchilcikClosed16+35.4+2.21+2.62
Round 5Y.LinH.Kane – A.SymonsClosed16-46.0-2.88-2.19
Round 7Y.LinA.Simons – J.PasmanOpen16-21.0-1.31-2.88
Round 8Y.LinG.Palmer – L.CartnerOpen16+21.6+1.35+2.88
Round 11Y.LinC.Baldysz – S.BaldyszClosed16-12.8-0.80+0.12
Round 12Y.LinE.Khonicheva – D.RakhmaniClosed16+18.1+1.13+0.62
Round 13Y.LinM.Harding – A.FuglestadClosed16+2.1+0.13+0.88
Round 14Y.LinK.Bertheau – J.LarssonClosed16-1.4-0.09+1.75
Round 16Y.LinX.Zuo – N.WangOpen16-6.9-0.43-0.31
Round 17Y.LinV.Bessis – C.PuilletOpen16-12.0-0.75-0.62
Round 19Y.LinD.Josa – P.HowardOpen16+5.6+0.35+1.50
Round 20Y.LinS.Tung – T.TangOpen16-38.4-2.40-4.94
Round 21Y.LinR.Agha – S.PirzadaClosed16+50.9+3.18+3.88
Round 22Y.LinF.Trabelsi – H.SellamiClosed16-4.2-0.26+0.94

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
+11.7Round 4🇦🇺 AUSTRALIA256♥♥3-1+17
+11.2Round 1🇮🇳 INDIA136♣♣5+1-13
+10.6Round 4🇦🇺 AUSTRALIA306♣♥A-1+14
+10.0Round 8🇳🇿 NEW ZEALAND202♠♥Q+3+9
+10.0Round 19🇹🇹 TRINIDAD & TOBAGO113NT♠6-1+10
+9.8Round 17🇫🇷 FRANCE43NT♠5=+10
+9.7Round 22🇹🇳 TUNISIA304♠♣9-1+10
+9.5Round 4🇦🇺 AUSTRALIA316♥♦5-1+11
+9.4Round 14🇸🇪 SWEDEN255♠x♣5-2+12
+9.4Round 21🇵🇰 PAKISTAN104♣♦3-2+10
+8.6Round 13🇳🇴 NORWAY94♠♥4=+6
+8.6Round 21🇵🇰 PAKISTAN73NT♠K-1+16
+8.1Round 16🇨🇳 CHINA245♠♣A+1+11
+7.9Round 21🇵🇰 PAKISTAN42NT♥6-2+8
+7.9Round 21🇵🇰 PAKISTAN83NT♣5=+11
+7.7Round 19🇹🇹 TRINIDAD & TOBAGO44♥♣5=+0
+7.6Round 4🇦🇺 AUSTRALIA294♥♣3-1+13
+7.4Round 21🇵🇰 PAKISTAN66♠♣A=+0
+7.1Round 8🇳🇿 NEW ZEALAND173NT♥K=+7
+7.1Round 21🇵🇰 PAKISTAN123NT♠4=+10
+7.0Round 12🇷🇺 RUSSIA273NT♦Q+2+2
+7.0Round 22🇹🇳 TUNISIA183NT♠5=+10
+6.6Round 19🇹🇹 TRINIDAD & TOBAGO124♠x♦A-1+6
+6.5Round 7🇳🇱 NETHERLANDS24♥♣J=+0
+6.4Round 1🇮🇳 INDIA13♥♣8-1+10
+6.3Round 16🇨🇳 CHINA313♣♥J-2+11
+5.9Round 21🇵🇰 PAKISTAN115♦♣6+1+11
+5.8Round 16🇨🇳 CHINA323NT♣4+1+1
+5.8Round 22🇹🇳 TUNISIA313♣x♦A-3+0
+5.7Round 1🇮🇳 INDIA73♠♣A-2+10
+5.6Round 2🇺🇸 USA 2273NT♦2=+0
+5.6Round 14🇸🇪 SWEDEN243NT♥8-1+10
+5.5Round 1🇮🇳 INDIA103NT♣2+2+0
+5.3Round 20🇭🇰 CHINA HONG KONG224♥♠J+1-10
+5.0Round 8🇳🇿 NEW ZEALAND284♠♠4=+3
+5.0Round 16🇨🇳 CHINA213NT♥3=+10
+5.0Round 21🇵🇰 PAKISTAN14♦x♥Q-2+4
+4.7Round 2🇺🇸 USA 2303NT♥J=+0
+4.6Round 8🇳🇿 NEW ZEALAND253NT♣5+2+1
+4.6Round 12🇷🇺 RUSSIA295♥♦J+1+13
+4.3Round 13🇳🇴 NORWAY33♣♠A-3+4
+4.2Round 12🇷🇺 RUSSIA245♦♦A-4+6
+4.2Round 16🇨🇳 CHINA301♠♥6=-1
+4.0Round 4🇦🇺 AUSTRALIA194♠♥2-2-6
+4.0Round 8🇳🇿 NEW ZEALAND316NT♣8=+0
+3.7Round 8🇳🇿 NEW ZEALAND246♦♦4=+0
+3.6Round 22🇹🇳 TUNISIA194♥♣2=+0
+3.5Round 12🇷🇺 RUSSIA282♥♠A=+0
+3.5Round 22🇹🇳 TUNISIA273NT♥3+1+1
+3.4Round 12🇷🇺 RUSSIA217♠♠6=+0
+3.4Round 14🇸🇪 SWEDEN263NT♣4=+0
+3.3Round 4🇦🇺 AUSTRALIA172NT♥5=+0
+3.3Round 11🇵🇱 POLAND24♥♦A-1+5
+3.3Round 17🇫🇷 FRANCE155♥♠Q=+14
+3.2Round 2🇺🇸 USA 2233NT♠3=+0
+3.2Round 4🇦🇺 AUSTRALIA274♠♦7-1+4
+3.2Round 16🇨🇳 CHINA203♥♥4+1+2
+3.2Round 17🇫🇷 FRANCE25♣♥K-2+6
+3.1Round 17🇫🇷 FRANCE164♥♦10-1+12
+3.1Round 22🇹🇳 TUNISIA203NT♠2+3+13
+3.0Round 7🇳🇱 NETHERLANDS163NT♥9=-1
+3.0Round 19🇹🇹 TRINIDAD & TOBAGO104♠♦A-2+8
+3.0Round 21🇵🇰 PAKISTAN132♥♠9=-1
+2.9Round 13🇳🇴 NORWAY54♥♦K+1+0
+2.9Round 13🇳🇴 NORWAY115♣♠9=-2
+2.8Round 2🇺🇸 USA 2193NT♠6=+0
+2.8Round 13🇳🇴 NORWAY12NT♥4=+6
+2.6Round 7🇳🇱 NETHERLANDS81NT♣3+2+1
+2.6Round 12🇷🇺 RUSSIA194♥x♠7-1+3
+2.6Round 12🇷🇺 RUSSIA224♥♣2-1+5
+2.6Round 16🇨🇳 CHINA185♣♥10-1+10
+2.5Round 2🇺🇸 USA 2294♥♣A+1+0
+2.5Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND22NT♦5-2+6
+2.5Round 16🇨🇳 CHINA232♦♥A-1+0
+2.4Round 8🇳🇿 NEW ZEALAND213♥♠A=+1
+2.3Round 1🇮🇳 INDIA122♥♣5=+6
+2.3Round 8🇳🇿 NEW ZEALAND225♦♥10=-2
+2.3Round 13🇳🇴 NORWAY143NT♥5=-1
+2.2Round 2🇺🇸 USA 2312♠♦A=+0
+2.2Round 11🇵🇱 POLAND103♥♠A+1+1
+2.2Round 14🇸🇪 SWEDEN231NT♦8+2+10
+2.2Round 14🇸🇪 SWEDEN324♠♥10+3+2
+2.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND143NT♣2-2+6
+2.1Round 11🇵🇱 POLAND124♠♥4+2-13
+2.0Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND92♦x♣7-2+2
+1.9Round 17🇫🇷 FRANCE113♦♣A+2+1
+1.9Round 21🇵🇰 PAKISTAN161NT♦6=+0
+1.8Round 17🇫🇷 FRANCE93NT♠4=+0
+1.8Round 22🇹🇳 TUNISIA253♠♥Q+1+10
+1.7Round 1🇮🇳 INDIA51NT♣7+1+0
+1.7Round 4🇦🇺 AUSTRALIA184♠♣8-1-2
+1.7Round 11🇵🇱 POLAND66♠♥K+1+13
+1.7Round 20🇭🇰 CHINA HONG KONG323♠♣K=+0
+1.6Round 13🇳🇴 NORWAY25♥♠7=+0
+1.6Round 16🇨🇳 CHINA223NT♣8+1+0
+1.5Round 1🇮🇳 INDIA152♣♦Q-2+0
+1.5Round 7🇳🇱 NETHERLANDS113NT♠7-1+5
+1.5Round 22🇹🇳 TUNISIA324♥♣10=+0
+1.4Round 20🇭🇰 CHINA HONG KONG284♠♦K+2-12
+1.3Round 20🇭🇰 CHINA HONG KONG181NT♣3+1+5
+1.3Round 22🇹🇳 TUNISIA286NT♣7+1+11
+1.2Round 1🇮🇳 INDIA92♠♣K=+0
+1.1Round 11🇵🇱 POLAND163NT♥9+2+2
+1.1Round 14🇸🇪 SWEDEN185♠x♥A-1+6
+1.0Round 13🇳🇴 NORWAY73♥♦2-1+6
+1.0Round 14🇸🇪 SWEDEN283NT♦J+1-1
+0.9Round 1🇮🇳 INDIA34♠♣A+2+13
+0.9Round 12🇷🇺 RUSSIA304♠♥A=+3
+0.9Round 17🇫🇷 FRANCE144♥♠Q+1+0
+0.8Round 20🇭🇰 CHINA HONG KONG312NT♥2+1+1
+0.7Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND162♠♦J=+0
+0.7Round 7🇳🇱 NETHERLANDS92♥x♦2-2+8
+0.7Round 13🇳🇴 NORWAY153♥♦K=+0
+0.7Round 19🇹🇹 TRINIDAD & TOBAGO22♠♠3-1-2
+0.6Round 19🇹🇹 TRINIDAD & TOBAGO144♥♠10=+15
+0.5Round 1🇮🇳 INDIA23NT♥3+1-1
+0.5Round 12🇷🇺 RUSSIA233NT♠8=+0
+0.5Round 14🇸🇪 SWEDEN214♠♦6+1+1
+0.5Round 21🇵🇰 PAKISTAN31NT♦2-1+3
+0.3Round 4🇦🇺 AUSTRALIA225♦♠A-1-5
+0.3Round 17🇫🇷 FRANCE123♥♦Q-3-10
+0.3Round 19🇹🇹 TRINIDAD & TOBAGO72♠♣J=-9
+0.2Round 4🇦🇺 AUSTRALIA262♥♠5=-6
+0.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND72♥♠7+1+0
+0.2Round 8🇳🇿 NEW ZEALAND234♥♠3+2+13
+0.2Round 11🇵🇱 POLAND155♦♥4+2+14
+0.2Round 14🇸🇪 SWEDEN293NT♠A+1-1
+0.1Round 1🇮🇳 INDIA44♥♣J+1+13
+0.1Round 4🇦🇺 AUSTRALIA204♠♣3+1+0
+0.1Round 12🇷🇺 RUSSIA201NT♣3-2-9
+0.1Round 20🇭🇰 CHINA HONG KONG213NT♠7=+0
+0.1Round 22🇹🇳 TUNISIA234♥♦5+1+0
+0.0Round 2🇺🇸 USA 2263NT♥3=+0
+0.0Round 4🇦🇺 AUSTRALIA324♠♦A=+0
-0.0Round 7🇳🇱 NETHERLANDS61NT♦2=-1
+0.0Round 8🇳🇿 NEW ZEALAND323NT♠5+1+0
-0.0Round 12🇷🇺 RUSSIA324♠♣K+1+0
+0.0Round 17🇫🇷 FRANCE62♥♦5+2-6
-0.0Round 19🇹🇹 TRINIDAD & TOBAGO82♣x♦Q-1+1
-0.1Round 1🇮🇳 INDIA162♦♣A+2-7
-0.1Round 2🇺🇸 USA 2254♠♣J-1-5
-0.1Round 19🇹🇹 TRINIDAD & TOBAGO13NT♠8+2+1
-0.2Round 11🇵🇱 POLAND12♠♣7=+0
-0.2Round 11🇵🇱 POLAND141NT♥4-1+4
-0.2Round 12🇷🇺 RUSSIA184♥♦4+1+0
-0.2Round 14🇸🇪 SWEDEN301NT♣2+1+0
-0.3Round 11🇵🇱 POLAND112NT♦3=+1
-0.3Round 13🇳🇴 NORWAY84♠♣A+1+0
-0.4Round 8🇳🇿 NEW ZEALAND303NT♠10+2-1
-0.4Round 11🇵🇱 POLAND32♥x♥2-1-5
-0.4Round 20🇭🇰 CHINA HONG KONG304♥♣J+1+0
-0.5Round 4🇦🇺 AUSTRALIA234♥♦3=+13
-0.5Round 21🇵🇰 PAKISTAN23NT♠8+1-1
-0.5Round 21🇵🇰 PAKISTAN54♥♦A+1+0
-0.6Round 8🇳🇿 NEW ZEALAND263♣♠6-2-2
-0.6Round 14🇸🇪 SWEDEN273♣♥A=+1
-0.6Round 19🇹🇹 TRINIDAD & TOBAGO53NT♥Q+1+0
-0.7Round 7🇳🇱 NETHERLANDS124♥♦9-1-12
-0.7Round 11🇵🇱 POLAND75♦♣A-3-9
-0.7Round 20🇭🇰 CHINA HONG KONG292♥♣A+1+10
-0.8Round 2🇺🇸 USA 2243NT♥Q+1-1
-0.8Round 7🇳🇱 NETHERLANDS52♠♦3-1-10
-0.8Round 19🇹🇹 TRINIDAD & TOBAGO63♣♥9=+0
-0.8Round 22🇹🇳 TUNISIA293NT♦4+2+0
-1.0Round 19🇹🇹 TRINIDAD & TOBAGO92NT♦K-2+1
-1.1Round 2🇺🇸 USA 2321NT♣A=+1
-1.1Round 19🇹🇹 TRINIDAD & TOBAGO151NT♦10+2-1
-1.2Round 1🇮🇳 INDIA64♠♣Q-2+1
-1.2Round 2🇺🇸 USA 2175♥♠6+1-1
-1.3Round 12🇷🇺 RUSSIA252♠♦5=-11
-1.3Round 12🇷🇺 RUSSIA314♥♠J=+1
-1.4Round 8🇳🇿 NEW ZEALAND273♦♥A-1-2
-1.4Round 14🇸🇪 SWEDEN314♥♠10+1-1
-1.4Round 17🇫🇷 FRANCE73NT♠8+3-1
-1.5Round 7🇳🇱 NETHERLANDS72♥♣Q+1+0
-1.6Round 11🇵🇱 POLAND82♠♥2=+1
-1.7Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND154♥♠Q+2-1
-1.8Round 17🇫🇷 FRANCE53NT♦10-2-13
-1.9Round 11🇵🇱 POLAND43♦♣Q+2+10
-2.0Round 1🇮🇳 INDIA143NT♠3-1-10
-2.1Round 7🇳🇱 NETHERLANDS11NT♦9-2+1
-2.1Round 20🇭🇰 CHINA HONG KONG243NT♦Q-2-5
-2.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND53NT♦3+1+0
-2.3Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND42♠♦6=-6
-2.3Round 17🇫🇷 FRANCE132♥♦A=+0
-2.4Round 16🇨🇳 CHINA261NT♠7=-5
-2.7Round 1🇮🇳 INDIA114♠♥6-1+2
-2.7Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND63♣♦2=+0
-2.7Round 8🇳🇿 NEW ZEALAND183♠♣K=-6
-2.8Round 20🇭🇰 CHINA HONG KONG175♣x♥3-3-2
-2.9Round 16🇨🇳 CHINA282♠♦4=-5
-2.9Round 21🇵🇰 PAKISTAN153NT♦6+2-1
-3.0Round 1🇮🇳 INDIA83NT♦K+2+14
-3.1Round 7🇳🇱 NETHERLANDS154♠♥10+1+0
-3.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND113NT♥10-3-6
-3.3Round 12🇷🇺 RUSSIA175♠x♣A-2+0
-3.3Round 21🇵🇰 PAKISTAN92♠♠Q+1-1
-3.4Round 13🇳🇴 NORWAY124♠♦A-2-2
-3.4Round 13🇳🇴 NORWAY163♠♥A+2-6
-3.4Round 14🇸🇪 SWEDEN172NT♥K-3-2
-3.5Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♥♠2-1-11
-3.5Round 17🇫🇷 FRANCE32♥♦A-3-2
-3.5Round 22🇹🇳 TUNISIA263NT♣4-2-2
-3.6Round 13🇳🇴 NORWAY61NT♦4+2-2
-3.8Round 4🇦🇺 AUSTRALIA213NT♥7+1+0
-3.8Round 13🇳🇴 NORWAY103NT♣4-2-8
-4.0Round 16🇨🇳 CHINA254♠♥A=-8
-4.1Round 2🇺🇸 USA 2206NT♥5=-12
-4.1Round 19🇹🇹 TRINIDAD & TOBAGO133NT♥4-3-9
-4.2Round 7🇳🇱 NETHERLANDS133NT♣K-2-8
-4.3Round 20🇭🇰 CHINA HONG KONG253♦♠7=-7
-4.4Round 16🇨🇳 CHINA173♠♦5-2-5
-4.5Round 2🇺🇸 USA 2284♠♦10+2-13
-4.7Round 8🇳🇿 NEW ZEALAND293♥x♦K-3+12
-4.8Round 7🇳🇱 NETHERLANDS45♣x♥A-1-8
-4.9Round 11🇵🇱 POLAND52NT♣A-1-12
-5.2Round 12🇷🇺 RUSSIA262NT♠10-2-3
-5.2Round 13🇳🇴 NORWAY45♦♥A+1+14
-5.3Round 13🇳🇴 NORWAY132♠♥A+1-1
-5.5Round 11🇵🇱 POLAND92♠♦A-1-10
-5.6Round 7🇳🇱 NETHERLANDS103NT♣2-1-12
-5.6Round 16🇨🇳 CHINA193NT♥Q=+1
-6.0Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND126♠♥3=+0
-6.0Round 14🇸🇪 SWEDEN193NT♦5-4-3
-6.0Round 14🇸🇪 SWEDEN204♥♣6-1-6
-6.1Round 2🇺🇸 USA 2181♦♦K-4-7
-6.1Round 7🇳🇱 NETHERLANDS34♠♣10=+1
-6.2Round 4🇦🇺 AUSTRALIA283NT♥Q=-7
-6.3Round 4🇦🇺 AUSTRALIA243NT♠A+1-4
-6.3Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND134♠♦9=-10
-6.4Round 7🇳🇱 NETHERLANDS143NT♥7-1-10
-6.5Round 21🇵🇰 PAKISTAN144♥♦A=-7
-6.6Round 20🇭🇰 CHINA HONG KONG264♥♠7=-13
-6.8Round 20🇭🇰 CHINA HONG KONG203NT♥4-1-12
-7.2Round 17🇫🇷 FRANCE84♥x♠2=-12
-7.2Round 19🇹🇹 TRINIDAD & TOBAGO36♦♥J=+13
-7.5Round 2🇺🇸 USA 2226♦♥K-3-11
-7.6Round 20🇭🇰 CHINA HONG KONG194♥♦6-1-10
-7.6Round 20🇭🇰 CHINA HONG KONG233NT♦10-1-12
-7.7Round 11🇵🇱 POLAND134♣x♣9-2+0
-7.8Round 22🇹🇳 TUNISIA225♥x♦A-1-11
-7.9Round 8🇳🇿 NEW ZEALAND196♠♦6+1+13
-8.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND86♥♣K-3-11
-8.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND104♠♥K=+0
-8.4Round 19🇹🇹 TRINIDAD & TOBAGO163NT♠4=-10
-8.4Round 22🇹🇳 TUNISIA175♥x♠K+1+2
-8.6Round 2🇺🇸 USA 2214♠♦A=-11
-9.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND33NT♦10+2-4
-9.4Round 14🇸🇪 SWEDEN224♥♠5=+0
-10.0Round 17🇫🇷 FRANCE13NTx♥Q-3-9
-10.1Round 17🇫🇷 FRANCE106♥♣10=+0
-10.1Round 20🇭🇰 CHINA HONG KONG276♥x♣K=-12
-10.4Round 22🇹🇳 TUNISIA216♦♠10-2-17
-10.7Round 22🇹🇳 TUNISIA246♠♦5=-12
-13.0Round 16🇨🇳 CHINA296♠♥K-1-13
-13.9Round 16🇨🇳 CHINA277♥x♦2-1-14