🇹🇼 CHANG Chung Mou · CHINESE TAIPEI

78rank
-4.7Butler · 224 bds
-0.02per board
±4.5swing
-0.11vs par /bd · #76/135
-0.09adjusted /bd
Butler per round: -2 5.2 0.7 -13.4 4 -1.4 15.8 -4.3 12.7 -12.3 -2.9 14.6 2.3 -23.7by round

vs par split: bidding -0.16 · play +0.06

Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted -0.09/bd

Card play — on target: opening leads 71.7% #112 of 135 · declarer play 72.3% #72 of 135 · defence 84.4% #95 of 135

Card play by contract type — on target
vs NTvs a suit
Opening leads53.3% (15)80.6% (31)
Declarer play71.4% (14)72.7% (33)
Defence75.7% (37)88.9% (72)

Opening leads by suit led: ♠ 55.6% (9) · ♥ 76.9% (13) · ♦ 100.0% (12) · ♣ 50.0% (12)

vs par by strain: NT -1.11 (75) · a suit +0.41 (148)

vs par by level: part-score -0.22 (81) · game -0.18 (124) · slam +1.00 (18)

By role: declaring +0.06/bd (-2.66 vs par · 115) · defending -0.11/bd (+2.58 vs par · 109)

By vulnerability: vulnerable +0.21/bd (+0.27 vs par · 112) · not vulnerable -0.26/bd (-0.49 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.HuangL.Stabell – T.StabellOpen16-2.0-0.12-1.50
Round 2P.HuangP.Dordhain – C.GiraudClosed16+5.2+0.33-2.44
Round 4P.HuangM.Ince – N.KoktenClosed16+0.7+0.04-1.31
Round 5P.HuangY.Valkanov – A.VanchevOpen16-13.4-0.84+0.25
Round 7P.HuangB.Neill – A.KanetkarOpen16+4.0+0.25+2.19
Round 8P.HuangP.Chun – K.ChiuOpen16-1.4-0.09+1.25
Round 10P.HuangT.Jacob – B.MaceOpen16+15.8+0.99+3.44
Round 11P.HuangS.Robinson – P.BoydClosed16-4.3-0.27-1.00
Round 14P.HuangM.Abecassis – A.LevyOpen16+12.7+0.79-1.56
Round 15P.HuangA.Almadi – M.ElagamawyOpen16-12.3-0.77-1.31
Round 16P.HuangM.Shen – X.ShenOpen16-2.9-0.18-0.44
Round 17P.HuangT.Sugiarto – B.PoliiOpen16+14.6+0.91+0.44
Round 19P.HuangA.Yamada – K.OhnoOpen16+2.3+0.14-0.31
Round 20P.HuangA.Mulder – H.VergoedOpen16-23.7-1.48+0.75

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
+11.3Round 15🇦🇪 U.A.E.116♣♠J-1+14
+10.5Round 14🇫🇷 FRANCE326♠♦A-1+11
+9.6Round 7🇦🇺 AUSTRALIA164♠♣8-1+10
+9.4Round 16🇨🇳 CHINA302♥x♠9=+11
+9.4Round 17🇮🇩 INDONESIA114♥x♦A-3+9
+9.4Round 17🇮🇩 INDONESIA123NT♥K=+0
+9.3Round 4🇹🇷 TURKEY184♠x♣8=+12
+9.3Round 7🇦🇺 AUSTRALIA104♠♣2-2+13
+9.2Round 17🇮🇩 INDONESIA33♦♥3-4+11
+9.0Round 14🇫🇷 FRANCE224♥♥3=+0
+9.0Round 17🇮🇩 INDONESIA72♥♦A-3+8
+8.7Round 19🇯🇵 JAPAN105♦x♣2-2+8
+8.3Round 15🇦🇪 U.A.E.63NT♦7-1+5
+7.7Round 10🇳🇿 NEW ZEALAND294♠♥3=+10
+7.6Round 8🇭🇰 CHINA HONG KONG246♥♠Q=+2
+7.5Round 16🇨🇳 CHINA324♠♥3-1+10
+6.5Round 14🇫🇷 FRANCE233NT♦8+1+1
+6.4Round 15🇦🇪 U.A.E.74♥♣5-1+6
+6.3Round 20🇳🇱 NETHERLANDS203NT♠6-1+12
+6.2Round 16🇨🇳 CHINA254♠♥A=+8
+6.2Round 17🇮🇩 INDONESIA132♠x♦4-2+9
+6.1Round 11🇺🇸 USA 167♠♣K=+0
+5.9Round 2🇷🇪 REUNION303NT♦7+1+1
+5.9Round 14🇫🇷 FRANCE194♣♥10-1-2
+5.8Round 19🇯🇵 JAPAN123NT♥9=+7
+5.7Round 5🇧🇬 BULGARIA134♠♦9-1+6
+5.6Round 7🇦🇺 AUSTRALIA23♥♣J+1+10
+5.6Round 7🇦🇺 AUSTRALIA45♣♥A-2+8
+5.5Round 15🇦🇪 U.A.E.42♠♥Q+1+6
+5.4Round 1🇳🇴 NORWAY85♣♠Q+1-15
+5.3Round 5🇧🇬 BULGARIA85♣x♠A-3+2
+5.3Round 10🇳🇿 NEW ZEALAND276♥♣J=+0
+5.2Round 10🇳🇿 NEW ZEALAND231NT♣2+1+11
+5.1Round 4🇹🇷 TURKEY294♥♦2=-1
+5.1Round 4🇹🇷 TURKEY303NTx♠7+2-6
+5.0Round 1🇳🇴 NORWAY74♥♣Q+2+1
+4.8Round 17🇮🇩 INDONESIA84♠x♣7-1-5
+4.7Round 2🇷🇪 REUNION223NT♥Q+2+2
+4.5Round 11🇺🇸 USA 1113NTx♠9-1+5
+4.4Round 2🇷🇪 REUNION233NT♣10=+0
+4.2Round 5🇧🇬 BULGARIA34♠♥10-1+12
+4.2Round 16🇨🇳 CHINA314♥♣9=+0
+4.0Round 14🇫🇷 FRANCE204♥♣5-1+6
+3.8Round 2🇷🇪 REUNION213♥♠A+1+1
+3.6Round 1🇳🇴 NORWAY143NT♠8-2+11
+3.4Round 8🇭🇰 CHINA HONG KONG284♠♣J=+3
+3.4Round 10🇳🇿 NEW ZEALAND314♠♥9-1+5
+3.4Round 16🇨🇳 CHINA193NT♦9+1+0
+3.3Round 7🇦🇺 AUSTRALIA143NT♥2-1+10
+3.3Round 8🇭🇰 CHINA HONG KONG316NT♠9=+0
+3.2Round 19🇯🇵 JAPAN22♠♦Q=+6
+3.1Round 8🇭🇰 CHINA HONG KONG183♠♣K-1-2
+3.1Round 11🇺🇸 USA 133♦♠5=+7
+3.1Round 20🇳🇱 NETHERLANDS276♥♣A=+10
+2.7Round 1🇳🇴 NORWAY52♠♣3-1+5
+2.7Round 5🇧🇬 BULGARIA143NT♣2-2+6
+2.6Round 15🇦🇪 U.A.E.103♥♣6=+0
+2.5Round 8🇭🇰 CHINA HONG KONG213♥♠8=+1
+2.5Round 17🇮🇩 INDONESIA93NT♠4+1+1
+2.3Round 1🇳🇴 NORWAY134♠♦2+1+17
+2.3Round 8🇭🇰 CHINA HONG KONG263♦♠A-1+1
+2.0Round 14🇫🇷 FRANCE314♥♠10+1+1
+1.9Round 19🇯🇵 JAPAN62♦♦Q+1+0
+1.8Round 5🇧🇬 BULGARIA112♠♥Q=+0
+1.7Round 7🇦🇺 AUSTRALIA135♦x♠2-1+8
+1.7Round 20🇳🇱 NETHERLANDS213NT♠J+1+1
+1.6Round 4🇹🇷 TURKEY273♠♦2=+1
+1.6Round 16🇨🇳 CHINA246♠♥J=+0
+1.4Round 4🇹🇷 TURKEY234♥♦3+1-13
+1.3Round 10🇳🇿 NEW ZEALAND223♠♥Q-1+5
+1.3Round 10🇳🇿 NEW ZEALAND283NT♥2=+11
+1.2Round 7🇦🇺 AUSTRALIA73♥♥3=+0
+1.2Round 10🇳🇿 NEW ZEALAND183NT♥4-1-5
+1.1Round 1🇳🇴 NORWAY111NT♠K-1-4
+1.1Round 20🇳🇱 NETHERLANDS292♥♥2+2-10
+1.0Round 2🇷🇪 REUNION193NT♠3=+0
+1.0Round 11🇺🇸 USA 173NT♥10-2+7
+1.0Round 19🇯🇵 JAPAN93♦♣8=-1
+0.9Round 2🇷🇪 REUNION295♥♠3=+0
+0.9Round 17🇮🇩 INDONESIA144♥♠Q+1+0
+0.8Round 2🇷🇪 REUNION244♠♥Q+1+0
+0.8Round 10🇳🇿 NEW ZEALAND201NT♦5=+2
+0.7Round 5🇧🇬 BULGARIA72♥♠8+1+0
+0.7Round 10🇳🇿 NEW ZEALAND214♠♦Q+1+11
+0.7Round 14🇫🇷 FRANCE214♠♠8=+0
+0.7Round 20🇳🇱 NETHERLANDS304♥♦2+1+0
+0.6Round 4🇹🇷 TURKEY224♦♠A-1+5
+0.6Round 8🇭🇰 CHINA HONG KONG272♠♥5-2+0
+0.6Round 11🇺🇸 USA 143♦♣Q+2-10
+0.5Round 10🇳🇿 NEW ZEALAND244♥♦J-1+10
+0.5Round 11🇺🇸 USA 1153NT♣J+3-14
+0.5Round 15🇦🇪 U.A.E.56♠♣A=+0
+0.4Round 4🇹🇷 TURKEY262♥♦2=+6
+0.4Round 7🇦🇺 AUSTRALIA14♥♣A-2-1
+0.4Round 7🇦🇺 AUSTRALIA53♠♦3-1+10
+0.4Round 8🇭🇰 CHINA HONG KONG303NT♥4+1+0
+0.4Round 10🇳🇿 NEW ZEALAND253NT♥4+1+0
+0.4Round 11🇺🇸 USA 1163NT♥10+1-1
+0.3Round 14🇫🇷 FRANCE293NT♣4+1+1
+0.3Round 19🇯🇵 JAPAN151NT♦10+1+0
+0.2Round 2🇷🇪 REUNION254♠♥5-1-5
+0.2Round 7🇦🇺 AUSTRALIA154♠♥10=-1
+0.2Round 19🇯🇵 JAPAN53NT♦3+1+0
+0.0Round 2🇷🇪 REUNION263NT♣A=+0
+0.0Round 8🇭🇰 CHINA HONG KONG234♥♣Q+3+12
+0.0Round 8🇭🇰 CHINA HONG KONG323NT♠5+1+0
-0.0Round 11🇺🇸 USA 1124♠♥2+1+13
+0.0Round 19🇯🇵 JAPAN13NT♠8+2-1
-0.0Round 20🇳🇱 NETHERLANDS253♠♥8+1+1
-0.1Round 1🇳🇴 NORWAY44♥♣J+1-13
-0.1Round 8🇭🇰 CHINA HONG KONG204♠♥Q+1-1
-0.1Round 10🇳🇿 NEW ZEALAND305♥♠8-1-2
-0.2Round 4🇹🇷 TURKEY324♠♣3=+0
-0.2Round 7🇦🇺 AUSTRALIA113♦♠9-1-5
-0.2Round 11🇺🇸 USA 111NT♠2=-1
-0.3Round 1🇳🇴 NORWAY23NT♦4+1+1
-0.3Round 4🇹🇷 TURKEY204♠♥A+1+0
-0.3Round 5🇧🇬 BULGARIA61NT♣3-2+2
-0.3Round 5🇧🇬 BULGARIA162♠♠3=+0
-0.3Round 11🇺🇸 USA 182♥♣K-1-3
-0.3Round 20🇳🇱 NETHERLANDS175♥♦7=+0
-0.3Round 20🇳🇱 NETHERLANDS182♦♦4=-5
-0.4Round 1🇳🇴 NORWAY91♠♥2=+1
-0.4Round 19🇯🇵 JAPAN71NT♥4+1+9
-0.5Round 10🇳🇿 NEW ZEALAND174♥♦2=+0
-0.6Round 1🇳🇴 NORWAY34♠♥2+3-12
-0.6Round 4🇹🇷 TURKEY253NT♠7+2-13
-0.6Round 20🇳🇱 NETHERLANDS311NT♠6+2-1
-0.7Round 4🇹🇷 TURKEY174♣♥5-1+5
-0.7Round 4🇹🇷 TURKEY283♣♠3+1+0
-0.7Round 11🇺🇸 USA 151NT♥K=+11
-1.0Round 19🇯🇵 JAPAN113NT♥J=-1
-1.0Round 19🇯🇵 JAPAN133NT♥2-1+5
-1.0Round 19🇯🇵 JAPAN162♠♣2=+0
-1.1Round 1🇳🇴 NORWAY152NT♥3-1+2
-1.1Round 2🇷🇪 REUNION175♥♠3+1-1
-1.1Round 14🇫🇷 FRANCE283NT♦J=+2
-1.1Round 15🇦🇪 U.A.E.24♥♣K=+1
-1.1Round 16🇨🇳 CHINA201NT♣K+1+0
-1.2Round 1🇳🇴 NORWAY65♦♠K-1-6
-1.2Round 2🇷🇪 REUNION183♦♠4+1+0
-1.2Round 16🇨🇳 CHINA294♠♥K+1+0
-1.2Round 17🇮🇩 INDONESIA62♦♣A+1-7
-1.2Round 19🇯🇵 JAPAN145♦♠Q+1-15
-1.3Round 1🇳🇴 NORWAY121♠♦A=-5
-1.3Round 2🇷🇪 REUNION272♣♦5+3-6
-1.4Round 17🇮🇩 INDONESIA53NT♦9-2-13
-1.5Round 16🇨🇳 CHINA172♠♣10+1-1
-1.7Round 2🇷🇪 REUNION206NT♣2+1-12
-1.7Round 5🇧🇬 BULGARIA53NT♥J+1+0
-1.7Round 14🇫🇷 FRANCE254♠x♦2-1-8
-1.8Round 10🇳🇿 NEW ZEALAND32Pass-3
-1.8Round 17🇮🇩 INDONESIA12NT♠3-2+0
-1.9Round 15🇦🇪 U.A.E.151♥♣Q+3-1
-1.9Round 20🇳🇱 NETHERLANDS243♠♥5-2+0
-2.0Round 2🇷🇪 REUNION321NT♣Q+1+0
-2.0Round 11🇺🇸 USA 1142♠♠7+1-6
-2.0Round 20🇳🇱 NETHERLANDS285♦x♥K-4+12
-2.1Round 15🇦🇪 U.A.E.123♣♣6-1-4
-2.2Round 5🇧🇬 BULGARIA154♥♦3+2-1
-2.3Round 5🇧🇬 BULGARIA42♠♦5=-6
-2.4Round 16🇨🇳 CHINA223NT♣5+1+0
-2.5Round 8🇭🇰 CHINA HONG KONG224♥♦7-2-6
-2.5Round 15🇦🇪 U.A.E.132♠♣10+2-10
-2.5Round 16🇨🇳 CHINA261NT♠7-1-1
-2.5Round 16🇨🇳 CHINA276♥♠9+1-1
-2.6Round 7🇦🇺 AUSTRALIA81NT♣3+1+0
-2.7Round 8🇭🇰 CHINA HONG KONG293NT♠Q+3+13
-2.7Round 11🇺🇸 USA 1103♥♠A+1-1
-2.7Round 14🇫🇷 FRANCE273♣♥2-2-6
-2.8Round 4🇹🇷 TURKEY242♠♥9-1-6
-2.8Round 10🇳🇿 NEW ZEALAND264♠♣6=+0
-2.8Round 16🇨🇳 CHINA231NT♣8+1-1
-2.9Round 14🇫🇷 FRANCE173♥♦Q-2-5
-3.0Round 2🇷🇪 REUNION312♥♠K+1-6
-3.1Round 5🇧🇬 BULGARIA22♠♣2=+0
-3.3Round 15🇦🇪 U.A.E.83♦♣A-2+0
-3.6Round 14🇫🇷 FRANCE185♠♥A-1-8
-3.6Round 19🇯🇵 JAPAN83♠♣10-1-5
-3.7Round 4🇹🇷 TURKEY194♠♥7-2+6
-3.7Round 5🇧🇬 BULGARIA13NT♣10-2-11
-3.8Round 4🇹🇷 TURKEY212NT♣7+2-6
-3.8Round 19🇯🇵 JAPAN33NT♥J+3-17
-4.0Round 11🇺🇸 USA 1134♠♣Q-2-12
-4.0Round 14🇫🇷 FRANCE263NT♣6+1-1
-4.2Round 15🇦🇪 U.A.E.163♠♥5-1-5
-4.3Round 8🇭🇰 CHINA HONG KONG173NT♥K-1-5
-4.3Round 17🇮🇩 INDONESIA43NT♥7-2-8
-4.3Round 20🇳🇱 NETHERLANDS225♣♠A=+11
-4.5Round 11🇺🇸 USA 124♥♣A-2-6
-4.6Round 1🇳🇴 NORWAY162♥♦A-3+3
-4.6Round 17🇮🇩 INDONESIA23♠♣5+1-1
-4.6Round 20🇳🇱 NETHERLANDS264♥♣K-1+1
-4.8Round 14🇫🇷 FRANCE303NT♣9=-7
-4.9Round 7🇦🇺 AUSTRALIA61NTx♦3+1-4
-5.0Round 7🇦🇺 AUSTRALIA92NT♠4+2-10
-5.0Round 16🇨🇳 CHINA213NT♥6=-10
-5.0Round 20🇳🇱 NETHERLANDS194♥x♦7=-5
-5.1Round 8🇭🇰 CHINA HONG KONG196♠♦4+1+13
-5.4Round 14🇫🇷 FRANCE243NT♥Q-1-10
-5.6Round 17🇮🇩 INDONESIA156♥♠A=+9
-5.9Round 15🇦🇪 U.A.E.93NT♠5+1+0
-5.9Round 16🇨🇳 CHINA186♣♠A-2-11
-6.0Round 5🇧🇬 BULGARIA93♠♠3+1-6
-6.0Round 5🇧🇬 BULGARIA126♠♥3=+0
-6.1Round 11🇺🇸 USA 194♥x♥A=-5
-6.2Round 1🇳🇴 NORWAY103NT♥4+2+0
-6.2Round 2🇷🇪 REUNION284NT♠5+2-13
-6.3Round 1🇳🇴 NORWAY13♥♣9-1-10
-6.3Round 17🇮🇩 INDONESIA164♥♦4=+0
-6.8Round 10🇳🇿 NEW ZEALAND197NT♥9=+0
-6.8Round 19🇯🇵 JAPAN44♥♣5=+0
-7.2Round 15🇦🇪 U.A.E.14♥♣3-2-11
-7.5Round 20🇳🇱 NETHERLANDS233♣x♠4-3-5
-8.2Round 5🇧🇬 BULGARIA104♠♥K=+0
-8.3Round 7🇦🇺 AUSTRALIA33NT♦3-1-13
-9.0Round 15🇦🇪 U.A.E.33NT♠2-1-12
-9.7Round 15🇦🇪 U.A.E.143NTx♥6-2-10
-9.9Round 8🇭🇰 CHINA HONG KONG255♦♥9-2-11
-10.0Round 4🇹🇷 TURKEY316♥♣J-1-11
-10.1Round 20🇳🇱 NETHERLANDS324♠x♣K=-10
-10.3Round 16🇨🇳 CHINA283NT♠6=-11
-11.6Round 17🇮🇩 INDONESIA106♥x♠9=-6
-12.3Round 7🇦🇺 AUSTRALIA124♥♥2=+0