🇹🇼 LIU Herstein · CHINESE TAIPEI

81rank
-31.7Butler · 224 bds
-0.14per board
±4.2swing
-0.06vs par /bd · #70/123
-0.11adjusted /bd
Butler per round: -33 -22.4 -4 17 -9.9 -5.7 0.5 -8.6 40.8 -33.5 -16.9 30.7 14.3 -1by round

vs par split: bidding +0.07 · play -0.14

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -0.11/bd

Card play — on target: opening leads 75.0% #115 of 123 · declarer play 70.6% #97 of 123 · defence 84.3% #96 of 123

Card play by contract type — on target
vs NTvs a suit
Opening leads51.9% (27)88.9% (45)
Declarer play57.1% (14)75.7% (37)
Defence81.4% (43)85.7% (84)

Opening leads by suit led: ♠ 61.9% (21) · ♥ 81.2% (16) · ♦ 77.8% (18) · ♣ 82.4% (17)

vs par by strain: NT -0.30 (74) · a suit +0.04 (149)

vs par by level: part-score -0.48 (85) · game +0.37 (122) · slam -1.25 (16)

By role: declaring -0.08/bd (-1.95 vs par · 97) · defending -0.19/bd (+1.39 vs par · 127)

By vulnerability: vulnerable +0.04/bd (-0.02 vs par · 112) · not vulnerable -0.32/bd (-0.10 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.ChungG.Donati – A.GandogliaOpen16-33.0-2.06-0.75
Round 3J.ChungE.Rodwell – J.MeckstrothOpen16-22.4-1.40-1.81
Round 4J.ChungO.Rimstedt – M.RimstedtOpen16-4.0-0.25-2.25
Round 5J.ChungKAMRUZZAMAN A H M – M.IspahaniOpen16+17.0+1.06+0.38
Round 7J.ChungT.Sadek – W.El AhmadyOpen16-9.9-0.62-0.25
Round 9J.ChungG.Helgemo – T.HelnessOpen16-5.7-0.36-0.44
Round 11J.ChungM.Brown – M.WhibleyOpen16+0.5+0.03+0.38
Round 12J.ChungG.Chagas – J.Villas-BoasOpen16-8.6-0.54+0.31
Round 13J.ChungE.Muzzio – H.CamberosOpen16+40.8+2.55+4.69
Round 14J.ChungD.Beauchamp – M.ThomsonOpen16-33.5-2.09-1.50
Round 16J.ChungI.Nanev – J.StefanovOpen16-16.9-1.06-3.50
Round 18J.ChungC.Martel – M.FleisherOpen16+30.7+1.92+2.38
Round 20J.ChungD.Gerin – J.PelletierOpen16+14.3+0.89+2.75
Round 21J.ChungK.Venkataraman – A.GoelOpen16-1.0-0.06-1.19

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
+16.1Round 13🇦🇷 ARGENTINA126♣x♥9-6+18
+12.4Round 5🇧🇩 BANGLADESH33♦x♠10-4+12
+12.4Round 9🇲🇨 MONACO142♠x♠7-4+12
+11.1Round 13🇦🇷 ARGENTINA55♥x♣Q-2+12
+11.0Round 11🇳🇿 NEW ZEALAND133NT♥Q=+0
+10.9Round 4🇸🇪 SWEDEN276♣♠K=-11
+10.0Round 16🇧🇬 BULGARIA246♦♣K=+0
+9.3Round 18🇺🇸 USA2286♠♠3-1+11
+8.2Round 9🇲🇨 MONACO101NT♦8-4+11
+7.7Round 4🇸🇪 SWEDEN233NT♥5-3+14
+7.5Round 18🇺🇸 USA2244♠♥Q=+11
+7.2Round 18🇺🇸 USA2293♥♠6-2+8
+6.4Round 3🇺🇸 USA1144♥♣9-1+11
+6.1Round 16🇧🇬 BULGARIA184♠♣K=+0
+6.0Round 20🇬🇵 GUADELOUPE175♣♦A-2+11
+5.9Round 12🇧🇷 BRAZIL262♥♠4=+5
+5.4Round 5🇧🇩 BANGLADESH53NT♥8=-1
+5.2Round 18🇺🇸 USA2313NT♥10-1+5
+5.2Round 20🇬🇵 GUADELOUPE324♠♥A-1+6
+4.9Round 18🇺🇸 USA2223NT♣5=+0
+4.5Round 12🇧🇷 BRAZIL255♣x♠4-2+5
+4.3Round 13🇦🇷 ARGENTINA115♠♥2-1+6
+4.3Round 13🇦🇷 ARGENTINA144♥♠K=+8
+4.3Round 18🇺🇸 USA2234♠♦J+2+13
+4.2Round 21🇮🇳 INDIA75♦♠J-1+6
+4.2Round 21🇮🇳 INDIA94♥♣A=+0
+4.1Round 13🇦🇷 ARGENTINA92NT♣6-2+6
+4.0Round 12🇧🇷 BRAZIL284♥♣5-1+6
+3.8Round 13🇦🇷 ARGENTINA73NT♦10-2+13
+3.8Round 14🇦🇺 AUSTRALIA321NT♦6-1+0
+3.8Round 20🇬🇵 GUADELOUPE183NT♣4-1+5
+3.5Round 11🇳🇿 NEW ZEALAND124♠♣K-2+5
+3.5Round 20🇬🇵 GUADELOUPE311♠x♦10-2-7
+3.4Round 2🇮🇹 ITALY213♥♠5=+1
+3.4Round 14🇦🇺 AUSTRALIA174♠♦K-2+11
+3.2Round 12🇧🇷 BRAZIL233NT♣J+3+13
+3.1Round 21🇮🇳 INDIA104♠♥10-2+8
+3.0Round 11🇳🇿 NEW ZEALAND163♥♣J-1+5
+2.8Round 4🇸🇪 SWEDEN243♣♥J-4+3
+2.8Round 5🇧🇩 BANGLADESH85♥x♠4-3+5
+2.8Round 7🇪🇬 EGYPT134♥♣10-1-1
+2.7Round 5🇧🇩 BANGLADESH72♠♣7+1+1
+2.7Round 11🇳🇿 NEW ZEALAND84♥x♦5-2+0
+2.7Round 12🇧🇷 BRAZIL322♠♠3+3+2
+2.7Round 20🇬🇵 GUADELOUPE255♥♠5+1+12
+2.5Round 13🇦🇷 ARGENTINA163NT♥3=-1
+2.4Round 16🇧🇬 BULGARIA303NT♣4=+0
+2.2Round 18🇺🇸 USA2174♥♠8-1+4
+2.0Round 7🇪🇬 EGYPT22NT♥J+1+0
+2.0Round 11🇳🇿 NEW ZEALAND12♥♦3+1+1
+1.9Round 7🇪🇬 EGYPT13NT♣Q+1-1
+1.9Round 13🇦🇷 ARGENTINA44♠♦K-1+6
+1.8Round 5🇧🇩 BANGLADESH102♣♥A=-1
+1.7Round 7🇪🇬 EGYPT104♠♣Q=+0
+1.7Round 12🇧🇷 BRAZIL294♥♥5+1+1
+1.7Round 14🇦🇺 AUSTRALIA222♠♥7-1+10
+1.7Round 21🇮🇳 INDIA54♠♦6+1+0
+1.6Round 9🇲🇨 MONACO54♥♦4-2+5
+1.5Round 9🇲🇨 MONACO83♥♣9+1+6
+1.5Round 16🇧🇬 BULGARIA291NT♣5+1+1
+1.4Round 2🇮🇹 ITALY275♣♥A-1+10
+1.4Round 11🇳🇿 NEW ZEALAND154♥♣J-1+5
+1.4Round 20🇬🇵 GUADELOUPE193♣♦A=+5
+1.3Round 11🇳🇿 NEW ZEALAND31NT♦Q+1-1
+1.3Round 11🇳🇿 NEW ZEALAND53NT♠8+2+2
+1.3Round 14🇦🇺 AUSTRALIA281NT♦3+1+0
+1.3Round 21🇮🇳 INDIA14♥♦8-1-2
+1.2Round 13🇦🇷 ARGENTINA87♠♠2=+0
+1.2Round 20🇬🇵 GUADELOUPE201NT♦7-1+0
+1.1Round 4🇸🇪 SWEDEN323NT♦6=+0
+1.1Round 5🇧🇩 BANGLADESH61NT♠6-4-2
+1.1Round 12🇧🇷 BRAZIL242♥♦4-1+2
+1.1Round 20🇬🇵 GUADELOUPE243♥♣K=+6
+1.1Round 20🇬🇵 GUADELOUPE282♥♥7+1+1
+1.1Round 21🇮🇳 INDIA114♠♣A=+0
+1.0Round 11🇳🇿 NEW ZEALAND143♥♠7=+0
+1.0Round 18🇺🇸 USA2254♠♦J=+0
+0.9Round 3🇺🇸 USA174♥♣3+1+0
+0.9Round 3🇺🇸 USA1113NT♥A-3+2
+0.9Round 5🇧🇩 BANGLADESH41NT♠6+1+0
+0.9Round 21🇮🇳 INDIA23♦♣A=-1
+0.8Round 5🇧🇩 BANGLADESH93NT♣7+2-11
+0.8Round 9🇲🇨 MONACO153NT♣7+2+1
+0.8Round 11🇳🇿 NEW ZEALAND64♠♣4-2+3
+0.7Round 18🇺🇸 USA2192♠♦K+1-7
+0.6Round 7🇪🇬 EGYPT6Pass+3
+0.5Round 3🇺🇸 USA143NT♦2=+1
+0.5Round 5🇧🇩 BANGLADESH144♠♦10=+0
+0.5Round 13🇦🇷 ARGENTINA64♥♦3-2+5
+0.5Round 16🇧🇬 BULGARIA324♠♥K+1+0
+0.5Round 18🇺🇸 USA2272♠♣10-1+8
+0.4Round 2🇮🇹 ITALY282♥♦8=+1
+0.4Round 3🇺🇸 USA1136♠♥10=+0
+0.4Round 13🇦🇷 ARGENTINA23♦♠2+1+0
+0.3Round 2🇮🇹 ITALY263NT♥6+2+13
+0.3Round 14🇦🇺 AUSTRALIA194♠♦A+1+0
+0.3Round 21🇮🇳 INDIA133NT♦2+1+0
+0.3Round 21🇮🇳 INDIA166♦♣10=-13
+0.2Round 9🇲🇨 MONACO64♥♣K=-1
+0.2Round 16🇧🇬 BULGARIA313NT♥3+1+0
+0.1Round 5🇧🇩 BANGLADESH133♣♠10=+9
+0.1Round 7🇪🇬 EGYPT82♥♠3=+1
-0.0Round 4🇸🇪 SWEDEN204♠♣K=+0
+0.0Round 4🇸🇪 SWEDEN264♥♣5=-3
+0.0Round 7🇪🇬 EGYPT52♠♥Q+2+6
-0.0Round 7🇪🇬 EGYPT114♥♣Q+2-11
+0.0Round 9🇲🇨 MONACO117♥♥4=+0
-0.0Round 14🇦🇺 AUSTRALIA293♠♦J-1+1
-0.0Round 20🇬🇵 GUADELOUPE293♠♥4+2+7
-0.1Round 2🇮🇹 ITALY254♥♣A+1+0
-0.1Round 2🇮🇹 ITALY313NT♠9=+0
-0.1Round 3🇺🇸 USA183♦♠10-2+7
-0.1Round 5🇧🇩 BANGLADESH11NT♥8-1+2
-0.1Round 9🇲🇨 MONACO33NT♠2+1-1
-0.1Round 14🇦🇺 AUSTRALIA233NT♥5+2+13
-0.2Round 18🇺🇸 USA2303NT♦Q+2-1
-0.2Round 20🇬🇵 GUADELOUPE222♠♥7=-7
-0.3Round 12🇧🇷 BRAZIL204♥♦J=+1
-0.3Round 13🇦🇷 ARGENTINA33♠♥7+1-1
-0.3Round 16🇧🇬 BULGARIA223♠♥K=+0
-0.3Round 21🇮🇳 INDIA61♥♣10+2+0
-0.4Round 2🇮🇹 ITALY303NT♣3+1+0
-0.4Round 9🇲🇨 MONACO44♥♦A-1-12
-0.4Round 12🇧🇷 BRAZIL172♦♥3+2+0
-0.4Round 18🇺🇸 USA2203NT♠Q+4-2
-0.5Round 4🇸🇪 SWEDEN191NT♦3-1-5
-0.5Round 4🇸🇪 SWEDEN292♠♦9-1-11
-0.5Round 5🇧🇩 BANGLADESH114♠♥10=+0
-0.5Round 7🇪🇬 EGYPT31NT♠K+1+0
-0.5Round 11🇳🇿 NEW ZEALAND74♠♦7+1-4
-0.6Round 2🇮🇹 ITALY204♠x♥K-2-3
-0.6Round 16🇧🇬 BULGARIA263NT♣3+1+0
-0.7Round 2🇮🇹 ITALY293♠♦K+1-1
-0.7Round 12🇧🇷 BRAZIL304♠♥2+1+1
-0.7Round 16🇧🇬 BULGARIA274♥♦10+1+0
-0.8Round 3🇺🇸 USA1161NT♣4+1+0
-0.8Round 4🇸🇪 SWEDEN282♥♣4+2-6
-0.8Round 16🇧🇬 BULGARIA253♠♠8+1+1
-0.8Round 20🇬🇵 GUADELOUPE263NT♥9=+1
-0.8Round 21🇮🇳 INDIA44♥♠A+1+0
-0.9Round 7🇪🇬 EGYPT73♠♥Q-1+6
-0.9Round 7🇪🇬 EGYPT154♥♦A-1-2
-0.9Round 9🇲🇨 MONACO72♠♦5=+0
-0.9Round 9🇲🇨 MONACO133NT♠Q+2-12
-1.0Round 5🇧🇩 BANGLADESH124♠♥Q+1-1
-1.0Round 14🇦🇺 AUSTRALIA273NT♠4-2-6
-1.0Round 20🇬🇵 GUADELOUPE212♦♣10-1-5
-1.1Round 3🇺🇸 USA111NT♣4=-6
-1.1Round 4🇸🇪 SWEDEN253NT♠9=-1
-1.1Round 18🇺🇸 USA2264♥♣K-1+1
-1.2Round 2🇮🇹 ITALY246♥♦5=-5
-1.2Round 3🇺🇸 USA123NT♦3+2-1
-1.3Round 7🇪🇬 EGYPT95♦x♦A-3+4
-1.4Round 3🇺🇸 USA193NT♠7+1+0
-1.4Round 7🇪🇬 EGYPT41NT♥7+2-1
-1.4Round 11🇳🇿 NEW ZEALAND103NT♠9+3+12
-1.5Round 18🇺🇸 USA2183NT♦K+1+0
-1.7Round 2🇮🇹 ITALY221NT♣4-1-4
-1.7Round 12🇧🇷 BRAZIL274♠♦10-1-5
-1.7Round 13🇦🇷 ARGENTINA101NT♣3-2+7
-1.8Round 4🇸🇪 SWEDEN312♠♣2=-11
-1.8Round 5🇧🇩 BANGLADESH151♥♦2+1-1
-1.8Round 9🇲🇨 MONACO22♣♦9+1-5
-1.8Round 13🇦🇷 ARGENTINA13NT♠9+2+0
-1.8Round 21🇮🇳 INDIA34♥♣4=+0
-1.9Round 21🇮🇳 INDIA153NT♠J=-3
-2.0Round 3🇺🇸 USA1153NT♠5-1-5
-2.1Round 3🇺🇸 USA154♠♥10+1+0
-2.1Round 12🇧🇷 BRAZIL194♥♦10+1+0
-2.1Round 20🇬🇵 GUADELOUPE276♥♠6=+0
-2.2Round 14🇦🇺 AUSTRALIA303♠♥K=-7
-2.3Round 4🇸🇪 SWEDEN221NT♥J+1-9
-2.4Round 16🇧🇬 BULGARIA216♣♣3+1-13
-2.5Round 18🇺🇸 USA2322♦♦4=-5
-2.7Round 9🇲🇨 MONACO124♥♠3+1+0
-2.7Round 20🇬🇵 GUADELOUPE231NT♥6+4+9
-2.7Round 21🇮🇳 INDIA144♠♥3-2-5
-2.8Round 5🇧🇩 BANGLADESH23NT♠4=+0
-2.8Round 13🇦🇷 ARGENTINA132♣♦3+2+0
-2.8Round 13🇦🇷 ARGENTINA155♥♠A=-4
-2.9Round 14🇦🇺 AUSTRALIA185♥x♠Q-2-8
-3.0Round 4🇸🇪 SWEDEN211NT♥9-1-1
-3.0Round 11🇳🇿 NEW ZEALAND23♦♠Q=-5
-3.0Round 11🇳🇿 NEW ZEALAND45♠♦10=+0
-3.1Round 3🇺🇸 USA1103♠♣A=-12
-3.3Round 2🇮🇹 ITALY234♠♣4-1-6
-3.5Round 14🇦🇺 AUSTRALIA313♠♦A=-6
-3.7Round 7🇪🇬 EGYPT166♥♠9=+0
-3.7Round 16🇧🇬 BULGARIA172♥♣8+1-1
-3.8Round 21🇮🇳 INDIA83♣♦Q=-5
-3.9Round 16🇧🇬 BULGARIA233♣♣J+2-10
-4.0Round 7🇪🇬 EGYPT122♠♥3-2-3
-4.1Round 4🇸🇪 SWEDEN183♥♦Q-2-5
-4.5Round 9🇲🇨 MONACO14♠♣7=+0
-4.9Round 20🇬🇵 GUADELOUPE306♥♠3=+0
-5.0Round 12🇧🇷 BRAZIL183NT♥4=-10
-5.2Round 4🇸🇪 SWEDEN306NT♣4=+10
-5.3Round 3🇺🇸 USA1122♠♥3=-6
-5.3Round 5🇧🇩 BANGLADESH161NT♠7-2-6
-5.4Round 14🇦🇺 AUSTRALIA262NT♥7+1+1
-5.5Round 2🇮🇹 ITALY183NT♥10+3-13
-5.5Round 14🇦🇺 AUSTRALIA254NT♠5+2-5
-5.8Round 11🇳🇿 NEW ZEALAND92♥x♦A-3+0
-6.2Round 2🇮🇹 ITALY194♠x♥J-2-5
-6.3Round 7🇪🇬 EGYPT143NTx♦9-2-5
-6.3Round 14🇦🇺 AUSTRALIA244♥♣K=-7
-6.4Round 2🇮🇹 ITALY323NT♠7=+0
-6.4Round 18🇺🇸 USA2213♥♦A-3-8
-6.6Round 16🇧🇬 BULGARIA283♥♦7-2-13
-6.8Round 12🇧🇷 BRAZIL315♥x♦5=-8
-6.8Round 21🇮🇳 INDIA124♥x♦2-4-4
-7.0Round 12🇧🇷 BRAZIL213♥x♠K-2-9
-7.1Round 16🇧🇬 BULGARIA203NT♥3=-10
-7.2Round 3🇺🇸 USA133NT♥9-1-6
-7.2Round 3🇺🇸 USA163NT♥6-3-14
-7.2Round 4🇸🇪 SWEDEN174♥♠7=+0
-7.7Round 12🇧🇷 BRAZIL223NT♦J=+1
-7.7Round 14🇦🇺 AUSTRALIA212♣♣J+3-11
-9.3Round 9🇲🇨 MONACO94♠♥K=-11
-9.4Round 14🇦🇺 AUSTRALIA203NT♠3=-10
-9.8Round 9🇲🇨 MONACO164♠♣A+1+0
-11.5Round 16🇧🇬 BULGARIA193NT♣7+1-11
-12.3Round 2🇮🇹 ITALY177♥♠3=+0
-13.8Round 11🇳🇿 NEW ZEALAND117♥x♦7-1-17