🇭🇰 WONG Tak Chun · CHINA HONG KONG

96rank
-88.6Butler · 210 bds
-0.42per board
±4.8swing
-0.70vs par /bd · #94/115
-0.26adjusted /bd
Butler per round: 10.5 -0.2 -26.8 35.3 -21.1 -18.3 7.6 1.4 -5.2 21.7 -8.6 -11.1 -26.5 -34.8 -12.5by round

vs par split: bidding -0.08 · play -0.60

Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted -0.26/bd

Card play — on target: opening leads 81.2% #31 of 115 · declarer play 68.8% #83 of 115 · defence 81.6% #74 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (15)72.7% (33)
Declarer play65.0% (20)71.4% (28)
Defence70.6% (34)87.0% (69)

Opening leads by suit led: ♠ 92.9% (14) · ♥ 70.0% (10) · ♦ 71.4% (14) · ♣ 90.0% (10)

vs par by strain: NT -1.38 (71) · a suit -0.33 (138)

vs par by level: part-score +0.04 (79) · game -0.62 (111) · slam -4.05 (19)

By role: declaring -0.22/bd (-2.82 vs par · 107) · defending -0.63/bd (+1.51 vs par · 103)

By vulnerability: vulnerable -0.97/bd (-1.36 vs par · 105) · not vulnerable +0.12/bd (-0.03 vs par · 105)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.LoyK.Cichy – K.KopkaOpen14+10.5+0.75+1.29
Round 2K.LoyJ.Xiong – V.LamoureuxOpen14-0.2-0.01+0.57
Round 4K.LoyS.Goor – R.GoorClosed14-26.8-1.91-1.43
Round 6K.LoyB.Perez – E.VasquezClosed14+35.3+2.52+3.93
Round 7K.LoyT.Bodin – S.ClementssonOpen14-21.1-1.51-2.21
Round 9T.HungC.Curran – A.DevikOpen14-18.3-1.31-1.64
Round 10K.LoyG.Donati – F.PortaClosed14+7.6+0.54-1.36
Round 11T.HungK.Kotha – T.SopakOpen14+1.4+0.10+0.50
Round 12T.HungS.Youngquist – R.JengClosed14-5.2-0.37-3.64
Round 13T.HungK.Takizawa – Y.InoueClosed14+21.7+1.55+0.57
Round 14T.HungT.Loonstein – A.ZeitakOpen14-8.6-0.61-0.07
Round 15T.HungY.Liao – Q.SunOpen14-11.1-0.79-3.50
Round 16T.HungC.Lee – S.SuClosed14-26.5-1.89-1.43
Round 17K.LoyN.Yaninski – G.TenevaOpen14-34.8-2.49-3.50
Round 18K.LoyP.Pabst – S.Van OostenClosed14-12.5-0.89+1.50

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
+13.1Round 13🇯🇵 JAPAN93♥x♦A-4+14
+12.6Round 6🇨🇱 CHILE93NT♠2-4+14
+11.9Round 14🇮🇱 ISRAEL96♦♦6=+11
+10.5Round 7🇸🇪 SWEDEN62♥x♠A-3+12
+9.8Round 18🇩🇪 GERMANY76♦♠A=+0
+8.9Round 1🇵🇱 POLAND123NT♥3+1+11
+8.3Round 1🇵🇱 POLAND63NT♣10-1+12
+8.0Round 2🇨🇦 CANADA94♠♠3-1+13
+7.8Round 6🇨🇱 CHILE13NT♦8-3+11
+7.8Round 16🇹🇼 CHINESE TAIPEI33♥♠6-2+11
+7.5Round 2🇨🇦 CANADA74♠♣7-1+12
+6.8Round 14🇮🇱 ISRAEL37NT♠9=+0
+6.5Round 6🇨🇱 CHILE44♠♣9+1+0
+6.5Round 6🇨🇱 CHILE73♠♦10+1+7
+6.2Round 11🇹🇭 THAILAND132♠♥J+2+10
+6.0Round 11🇹🇭 THAILAND73♠♣J-1+0
+5.8Round 13🇯🇵 JAPAN53♦♠J-2+11
+5.8Round 14🇮🇱 ISRAEL131♥♠5+4+10
+5.6Round 13🇯🇵 JAPAN143NT♥8=-1
+5.6Round 15🇨🇳 CHINA24♠x♥A-1-5
+5.6Round 18🇩🇪 GERMANY93♠♣2-2+7
+5.5Round 4🇳🇱 NETHERLANDS64♠♣10-2+8
+5.3Round 17🇧🇬 BULGARIA143NT♦2=+0
+5.2Round 6🇨🇱 CHILE123NT♣2-2+11
+4.6Round 6🇨🇱 CHILE134♥♥3-2+7
+4.4Round 7🇸🇪 SWEDEN73♥♣2=+0
+4.4Round 12🇺🇸 USA116♠♥8=-11
+4.2Round 9🇳🇴 NORWAY23NT♥3+1+10
+4.1Round 9🇳🇴 NORWAY84♠♣4-2+5
+4.0Round 12🇺🇸 USA54♠♣5-1+5
+4.0Round 13🇯🇵 JAPAN84♥♣5=-1
+4.0Round 16🇹🇼 CHINESE TAIPEI13♦♠3=+7
+3.8Round 6🇨🇱 CHILE143♣♠J+1+7
+3.7Round 4🇳🇱 NETHERLANDS34♠♣8=+0
+3.7Round 9🇳🇴 NORWAY43♥♦J-1+5
+3.6Round 10🇮🇹 ITALY72♠♥7-1+0
+3.6Round 13🇯🇵 JAPAN63NT♦10-1+5
+3.6Round 18🇩🇪 GERMANY113♥♠A+1+6
+3.5Round 4🇳🇱 NETHERLANDS82♥♣8+1+7
+3.3Round 11🇹🇭 THAILAND53NT♦10+3+11
+3.3Round 17🇧🇬 BULGARIA122♠♦7+1+6
+3.2Round 6🇨🇱 CHILE33♦♥J+1+0
+3.2Round 13🇯🇵 JAPAN115♦♠K-2+5
+3.2Round 17🇧🇬 BULGARIA36NT♦10=-11
+3.1Round 14🇮🇱 ISRAEL44♠♣A+1+4
+3.1Round 15🇨🇳 CHINA52♣♥K-2+5
+3.0Round 1🇵🇱 POLAND104♥♠A=+0
+2.9Round 2🇨🇦 CANADA104♥♠K-1+6
+2.8Round 12🇺🇸 USA23NT♠2+2+0
+2.6Round 11🇹🇭 THAILAND32♣♦2=+5
+2.5Round 10🇮🇹 ITALY124♠♦2+1+0
+2.5Round 16🇹🇼 CHINESE TAIPEI103NT♥Q+2-17
+2.5Round 16🇹🇼 CHINESE TAIPEI123♦♦5+1+1
+2.4Round 9🇳🇴 NORWAY14♥♣A=-1
+2.4Round 11🇹🇭 THAILAND85♠♦K+1+1
+2.4Round 12🇺🇸 USA93NT♠9-1+9
+2.4Round 15🇨🇳 CHINA43NT♥J+2+0
+2.3Round 9🇳🇴 NORWAY62♥♥2+1+1
+2.2Round 7🇸🇪 SWEDEN123♥♦5+1+2
+2.2Round 15🇨🇳 CHINA104♥♠K=+0
+2.2Round 15🇨🇳 CHINA143NT♠3+2+0
+2.1Round 16🇹🇼 CHINESE TAIPEI112♠♥4-1+3
+2.0Round 10🇮🇹 ITALY14♥♦A=+8
+1.9Round 2🇨🇦 CANADA132♠♠6=+6
+1.9Round 13🇯🇵 JAPAN103NT♥J+1+0
+1.8Round 6🇨🇱 CHILE21NT♠2=+1
+1.7Round 1🇵🇱 POLAND133NT♦5-1+12
+1.7Round 4🇳🇱 NETHERLANDS114♥♦3+1+1
+1.7Round 10🇮🇹 ITALY52♥♥Q=-1
+1.7Round 11🇹🇭 THAILAND123NT♠10-1-5
+1.7Round 15🇨🇳 CHINA12♥♥Q+2-7
+1.6Round 10🇮🇹 ITALY84♥♠10=+0
+1.5Round 1🇵🇱 POLAND14♥♠5-1+4
+1.5Round 9🇳🇴 NORWAY143NT♠Q+2+1
+1.5Round 11🇹🇭 THAILAND23NT♠5+1+0
+1.3Round 1🇵🇱 POLAND44♠♦3=-1
+1.3Round 2🇨🇦 CANADA121NT♠4-1+4
+1.2Round 4🇳🇱 NETHERLANDS95♠♥6+1+13
+1.2Round 12🇺🇸 USA85♦♠8-1+4
+1.2Round 15🇨🇳 CHINA64♠♠2+1+0
+1.2Round 18🇩🇪 GERMANY86♠♦J+1+11
+1.1Round 9🇳🇴 NORWAY34♥♠3+1+1
+1.1Round 10🇮🇹 ITALY32♠♦A=+0
+1.0Round 13🇯🇵 JAPAN12NT♥4=-7
+0.9Round 1🇵🇱 POLAND74♥♣7+1+0
+0.9Round 2🇨🇦 CANADA63NT♣3=-1
+0.8Round 1🇵🇱 POLAND21♦♥A+1+8
+0.8Round 13🇯🇵 JAPAN23♠♦K-2+0
+0.7Round 10🇮🇹 ITALY61♠♣5=+0
+0.5Round 10🇮🇹 ITALY134♣♦8+1-10
+0.5Round 12🇺🇸 USA134NT♥8+2-13
+0.4Round 17🇧🇬 BULGARIA13NT♦4=-1
+0.4Round 18🇩🇪 GERMANY124♠♥4-2+6
+0.3Round 11🇹🇭 THAILAND16♦♣9=-2
+0.3Round 11🇹🇭 THAILAND143♥♠8-1+2
+0.3Round 12🇺🇸 USA63♣♦J=+0
+0.1Round 6🇨🇱 CHILE114♠♦8=+0
+0.0Round 2🇨🇦 CANADA42♠♣2=-10
-0.2Round 2🇨🇦 CANADA34♠♥K=-1
-0.3Round 10🇮🇹 ITALY111NT♥2=+0
-0.3Round 17🇧🇬 BULGARIA74♠♦A-1-1
-0.4Round 2🇨🇦 CANADA84♥♣5+1+0
-0.4Round 7🇸🇪 SWEDEN104♠♥Q-1+6
-0.4Round 10🇮🇹 ITALY41NT♦2=+2
-0.4Round 12🇺🇸 USA144♥♣A+2-11
-0.5Round 9🇳🇴 NORWAY114♠♠8-2-1
-0.5Round 10🇮🇹 ITALY23♥♦A-1-10
-0.6Round 18🇩🇪 GERMANY142NT♣7-1+4
-0.7Round 11🇹🇭 THAILAND94♥♠Q+1+0
-0.7Round 12🇺🇸 USA32NT♠10+2-2
-0.7Round 17🇧🇬 BULGARIA91NT♣5-2+1
-0.7Round 17🇧🇬 BULGARIA104♠♦3+1+0
-0.9Round 4🇳🇱 NETHERLANDS124♥♠10+1+0
-0.9Round 7🇸🇪 SWEDEN44♠♦6+1+0
-0.9Round 11🇹🇭 THAILAND42♥♣A+1+0
-0.9Round 18🇩🇪 GERMANY53NT♠2=-1
-1.0Round 7🇸🇪 SWEDEN132♥♥2+1+0
-1.1Round 13🇯🇵 JAPAN33NT♥J+1+0
-1.1Round 14🇮🇱 ISRAEL112NT♥2=+0
-1.1Round 16🇹🇼 CHINESE TAIPEI62♥♣4-1+2
-1.2Round 1🇵🇱 POLAND92♦♥K+3-6
-1.3Round 10🇮🇹 ITALY143NT♦10=-2
-1.3Round 14🇮🇱 ISRAEL101NT♣10=+1
-1.4Round 12🇺🇸 USA72♠♠A-1+0
-1.4Round 13🇯🇵 JAPAN4Pass-3
-1.4Round 13🇯🇵 JAPAN133NT♥Q+1+1
-1.5Round 1🇵🇱 POLAND84♠♠7+3-2
-1.6Round 7🇸🇪 SWEDEN22♥♦A=-1
-1.6Round 17🇧🇬 BULGARIA63NT♦2-1+5
-1.7Round 4🇳🇱 NETHERLANDS53♥♣10+2-3
-1.8Round 4🇳🇱 NETHERLANDS21NT♣4-1-2
-1.8Round 10🇮🇹 ITALY94♦♥A-2-6
-1.8Round 10🇮🇹 ITALY102♠♦A=+0
-1.8Round 15🇨🇳 CHINA34♥♣8+1-4
-2.0Round 6🇨🇱 CHILE84♠♥Q=+0
-2.0Round 14🇮🇱 ISRAEL123NT♦J-1+10
-2.0Round 14🇮🇱 ISRAEL141NT♥A+1-6
-2.0Round 16🇹🇼 CHINESE TAIPEI133NT♦2=+0
-2.0Round 17🇧🇬 BULGARIA53NT♥Q-1-12
-2.1Round 1🇵🇱 POLAND113NT♦4+2+0
-2.1Round 12🇺🇸 USA124♠♦6+1+11
-2.1Round 14🇮🇱 ISRAEL14♠♣5=+0
-2.1Round 16🇹🇼 CHINESE TAIPEI141♠♦7+5-5
-2.1Round 18🇩🇪 GERMANY61NT♠4+1+1
-2.3Round 2🇨🇦 CANADA111NT♠5-2+0
-2.3Round 7🇸🇪 SWEDEN94♣x♦6-1+0
-2.3Round 16🇹🇼 CHINESE TAIPEI92♥♦9-3+10
-2.5Round 9🇳🇴 NORWAY123♥♠K+1-8
-2.7Round 2🇨🇦 CANADA54♥♣9-2-2
-2.7Round 4🇳🇱 NETHERLANDS73NT♣3-2-8
-2.7Round 18🇩🇪 GERMANY12NT♣A-1-4
-2.9Round 15🇨🇳 CHINA114♣x♠Q-1-5
-3.0Round 6🇨🇱 CHILE53NT♥A=+2
-3.0Round 15🇨🇳 CHINA92♥♣K+2-6
-3.0Round 15🇨🇳 CHINA124♠♦K-2-8
-3.1Round 2🇨🇦 CANADA12♥♠K+1+0
-3.1Round 14🇮🇱 ISRAEL25♣♥A=+0
-3.1Round 15🇨🇳 CHINA134♠♣2=+1
-3.2Round 11🇹🇭 THAILAND106♠♦6+1-1
-3.3Round 16🇹🇼 CHINESE TAIPEI44♠♥9+1-1
-3.3Round 18🇩🇪 GERMANY22♠♥7+1+0
-3.5Round 1🇵🇱 POLAND32♥♠3+1-7
-3.5Round 2🇨🇦 CANADA143NT♠5-2-6
-3.5Round 4🇳🇱 NETHERLANDS134♥♣A=-3
-3.5Round 17🇧🇬 BULGARIA132♦x♣Q=-8
-3.6Round 1🇵🇱 POLAND53NT♥Q+3-2
-3.6Round 7🇸🇪 SWEDEN14♥♠3-1-8
-3.6Round 12🇺🇸 USA13NT♥6-1-17
-3.6Round 18🇩🇪 GERMANY31NT♥2-3-2
-3.8Round 9🇳🇴 NORWAY53♥♣A=-7
-3.9Round 14🇮🇱 ISRAEL53NT♣10-1-6
-4.0Round 1🇵🇱 POLAND142♠♣J=-11
-4.0Round 7🇸🇪 SWEDEN33♥♦A-1-10
-4.0Round 16🇹🇼 CHINESE TAIPEI84♠♥4=+0
-4.8Round 14🇮🇱 ISRAEL73NT♦6-1-12
-4.8Round 17🇧🇬 BULGARIA26♥♦7=+0
-5.0Round 4🇳🇱 NETHERLANDS143NT♥J=+0
-5.0Round 7🇸🇪 SWEDEN52NT♥J-3-4
-5.0Round 9🇳🇴 NORWAY133NT♦10-2-8
-5.0Round 13🇯🇵 JAPAN123♥♠4-3-5
-5.1Round 7🇸🇪 SWEDEN85♠♦K+1-14
-5.1Round 18🇩🇪 GERMANY105♦♣8-3-4
-5.3Round 4🇳🇱 NETHERLANDS12♠x♣K-3-3
-5.3Round 14🇮🇱 ISRAEL66NT♠5=+0
-5.4Round 6🇨🇱 CHILE63NT♠Q+1-4
-5.4Round 7🇸🇪 SWEDEN112♠x♦K-1-7
-5.5Round 15🇨🇳 CHINA83NT♠2=-7
-5.7Round 9🇳🇴 NORWAY96♣♦3=+2
-6.0Round 11🇹🇭 THAILAND116NT♠Q=+0
-6.1Round 18🇩🇪 GERMANY44♠♦K-1-3
-6.3Round 12🇺🇸 USA42NT♦K-2-13
-6.3Round 12🇺🇸 USA104♥♠A-2-13
-6.4Round 6🇨🇱 CHILE103NT♠8+1-1
-7.0Round 16🇹🇼 CHINESE TAIPEI74♠♥A=+0
-8.4Round 13🇯🇵 JAPAN73NT♣2-4-11
-8.7Round 18🇩🇪 GERMANY137♥♠K=+0
-8.9Round 7🇸🇪 SWEDEN143NT♥7=-7
-9.2Round 4🇳🇱 NETHERLANDS103NTx♠K-1-13
-9.3Round 17🇧🇬 BULGARIA116♣♣3+1-1
-9.9Round 9🇳🇴 NORWAY104♠♥J=-10
-10.2Round 9🇳🇴 NORWAY74♠♥3-2-13
-10.2Round 15🇨🇳 CHINA76♥♦K+1-13
-10.2Round 17🇧🇬 BULGARIA84♠x♥K=-12
-10.5Round 2🇨🇦 CANADA24♥♦Q-1-13
-10.5Round 16🇹🇼 CHINESE TAIPEI23NT♦4+3-14
-10.6Round 14🇮🇱 ISRAEL86♣x♦J-2-13
-12.1Round 11🇹🇭 THAILAND65♥x♦Q=-14
-12.3Round 4🇳🇱 NETHERLANDS47♣x♥6=-17
-13.1Round 16🇹🇼 CHINESE TAIPEI56NT♣3-1-17
-13.9Round 17🇧🇬 BULGARIA47♦x♣A-2-15