🇨🇳 TANG Hou Zou · CHINA

66rank
+4.4Butler · 272 bds
+0.02per board
±4.7swing
-0.25vs par /bd · #82/122
+0.12adjusted /bd
Butler per round: 12.1 -10.3 -6.3 8.2 39.1 8.4 -27.6 0.9 -10.8 -34.7 19.8 30.6 -8.4 36 -3.6 -25.7 -23.3by round

vs par split: bidding -0.21 · play -0.20

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted +0.12/bd

Card play — on target: opening leads 76.7% #109 of 122 · declarer play 75.9% #60 of 122 · defence 89.2% #32 of 122

Card play by contract type — on target
vs NTvs a suit
Opening leads·76.7% (43)
Declarer play·75.9% (58)
Defence·89.2% (93)

Opening leads by suit led: ♠ 69.2% (13) · ♥ 66.7% (9) · ♦ 91.7% (12) · ♣ 77.8% (9)

vs par by strain: a suit -0.33 (193)

vs par by level: part-score -0.65 (76) · game -0.02 (97) · slam -0.60 (20)

By role: declaring +0.20/bd (-2.61 vs par · 131) · defending -0.15/bd (+1.94 vs par · 141)

By vulnerability: vulnerable -0.26/bd (-0.54 vs par · 136) · not vulnerable +0.29/bd (+0.04 vs par · 136)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.LiP.Vanhoutte – P.GrentheClosed16+12.1+0.76-2.44
Round 3J.LiH.Lasut – E.ManoppoClosed16-10.3-0.64-1.00
Round 4J.LiM.Khalil – M.KhedrClosed16-6.3-0.39-0.56
Round 5J.LiM.Chan – W.WongClosed16+8.2+0.51-0.81
Round 6J.LiH.Hallen – S.FagerOpen16+39.1+2.44+2.44
Round 7J.LiC.Suriya – V.ChinmanasOpen16+8.4+0.53+1.50
Round 8J.LiJ.Lester – G.LorentzOpen16-27.6-1.73-2.12
Round 9J.LiJ.Klukowski – A.JezioroClosed16+0.9+0.06-2.44
Round 10J.LiE.Wladow – R.MarsalOpen16-10.8-0.68-0.19
Round 12J.LiD.Piafsky – F.HofferOpen16-34.7-2.17-1.81
Round 13J.LiF.Mondor – J.FavardOpen16+19.8+1.24+0.75
Round 14J.LiL.Burgay – C.MarianiClosed16+30.6+1.91+2.81
Round 16J.LiJ.Auken – K.MollerOpen16-8.4-0.53-2.75
Round 17J.LiD.Morse – B.WolffOpen16+36.0+2.25+1.50
Round 18J.LiC.De Miguel – A.MadalaClosed16-3.6-0.23+1.00
Round 20J.LiB.Bramley – L.StansbyClosed16-25.7-1.61+0.50
Round 21J.LiM.Castello Branco – E.ViannaClosed16-23.3-1.46-0.62

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
+14.9Round 14🇮🇹 ITALY106N♥J-1+17
+14.3Round 4🇪🇬 EGYPT74♠x-4+14
+14.1Round 5🇭🇰 CHINA HONG KONG156♣♥A=-2
+13.1Round 17🇺🇸 USA 1196♣♦2=+0
+12.5Round 7🇹🇭 THAILAND137♠♥8-1+17
+10.9Round 6🇸🇪 SWEDEN156♥♣A-1+12
+10.7Round 7🇹🇭 THAILAND103N♥10+1+0
+10.3Round 14🇮🇹 ITALY35♥x♠A-3+8
+10.1Round 14🇮🇹 ITALY93N♠7-2+11
+10.0Round 6🇸🇪 SWEDEN133N♦5+1+4
+9.5Round 17🇺🇸 USA 1246♦♠A-1+11
+9.2Round 6🇸🇪 SWEDEN103N♣Q-1+12
+9.0Round 10🇩🇪 GERMANY105♥♠A-1+7
+8.9Round 5🇭🇰 CHINA HONG KONG74♠♣4=+0
+8.7Round 13🇬🇵 GUADELOUPE223N♠8-1+13
+8.1Round 14🇮🇹 ITALY43N♥2=+0
+8.0Round 13🇬🇵 GUADELOUPE276♠♣2-3+10
+7.9Round 6🇸🇪 SWEDEN124♥♦J-1+12
+7.5Round 7🇹🇭 THAILAND44♠♦8-2+8
+6.8Round 9🇵🇱 POLAND154♠x♦3=+9
+6.6Round 18🇦🇷 ARGENTINA23N♠7+3+8
+6.5Round 4🇪🇬 EGYPT34♠♥4=+0
+6.2Round 17🇺🇸 USA 1253N♦9+1+1
+6.1Round 6🇸🇪 SWEDEN145♥x♦J+1+10
+6.1Round 20🇺🇸 USA 2104♥♠8-1+12
+5.9Round 14🇮🇹 ITALY63♦♦4=+0
+5.6Round 1🇫🇷 FRANCE103N♣10-2+2
+5.1Round 3🇮🇩 INDONESIA64♦♠A+1-4
+5.0Round 17🇺🇸 USA 1325♠♦6-1+6
+4.7Round 6🇸🇪 SWEDEN56♣♠K=+0
+4.6Round 1🇫🇷 FRANCE74♠♣8=+0
+4.6Round 18🇦🇷 ARGENTINA82♠♥4=+7
+4.2Round 1🇫🇷 FRANCE114♥♠9+1+0
+4.1Round 10🇩🇪 GERMANY145♦x♣7-1+5
+4.1Round 13🇬🇵 GUADELOUPE184♠♦8-1+5
+4.0Round 17🇺🇸 USA 1214♥♠8-1+5
+3.9Round 3🇮🇩 INDONESIA151♠♠K=+0
+3.8Round 14🇮🇹 ITALY124♠♥K-2+2
+3.7Round 20🇺🇸 USA 2153N♥7-1+12
+3.6Round 10🇩🇪 GERMANY63♠♣A=+7
+3.5Round 1🇫🇷 FRANCE12♠+2+1
+3.4Round 3🇮🇩 INDONESIA22♠♥8-1+12
+3.4Round 5🇭🇰 CHINA HONG KONG134♥♣Q-1+6
+3.2Round 1🇫🇷 FRANCE157♠♠=+0
+3.2Round 10🇩🇪 GERMANY133N♦2-1+6
+3.2Round 21🇧🇷 BRAZIL312♠♦10=+5
+3.1Round 13🇬🇵 GUADELOUPE321♥♣Q-1+5
+3.1Round 14🇮🇹 ITALY23♦♠7-3+4
+3.0Round 8🇦🇺 AUSTRALIA196♣♣5=-2
+3.0Round 8🇦🇺 AUSTRALIA313♣♥5=+5
+3.0Round 9🇵🇱 POLAND163♠♠J-1-2
+3.0Round 13🇬🇵 GUADELOUPE244♥♦A=+0
+2.9Round 9🇵🇱 POLAND86♣♠K+1-11
+2.8Round 5🇭🇰 CHINA HONG KONG113♠♥A+1+1
+2.8Round 9🇵🇱 POLAND113N♥K-1+5
+2.7Round 12🇨🇦 CANADA82N♣5+1+6
+2.6Round 3🇮🇩 INDONESIA91N♣K-2+0
+2.6Round 12🇨🇦 CANADA164♠♥10+2+11
+2.6Round 13🇬🇵 GUADELOUPE303N♠+1+0
+2.5Round 1🇫🇷 FRANCE45♦♠A+1-5
+2.5Round 1🇫🇷 FRANCE145♥♠K+1-14
+2.5Round 5🇭🇰 CHINA HONG KONG13N♦9-1+4
+2.5Round 9🇵🇱 POLAND75♦♣6-2-9
+2.5Round 13🇬🇵 GUADELOUPE261N♦4-2+2
+2.5Round 16🇩🇰 DENMARK43♠♣8=+8
+2.4Round 9🇵🇱 POLAND35♥♣A-1+6
+2.3Round 16🇩🇰 DENMARK145♣♠4=-11
+2.2Round 18🇦🇷 ARGENTINA65♣♠Q=+11
+2.1Round 9🇵🇱 POLAND24♠♦4+2-5
+2.1Round 10🇩🇪 GERMANY16♦♠6-2+5
+2.0Round 3🇮🇩 INDONESIA52♦♥3=+5
+2.0Round 4🇪🇬 EGYPT104♦♠K=-9
+2.0Round 10🇩🇪 GERMANY154♥♠Q-2-5
+2.0Round 14🇮🇹 ITALY155♥♥2+1+16
+2.0Round 17🇺🇸 USA 1302♠♣Q-2+0
+1.9Round 16🇩🇰 DENMARK62♠♣9=+0
+1.9Round 18🇦🇷 ARGENTINA126♣♥4=-2
+1.9Round 21🇧🇷 BRAZIL224♠♣A-2+7
+1.8Round 4🇪🇬 EGYPT61N♦Q=+5
+1.8Round 4🇪🇬 EGYPT123N♦4=+0
+1.8Round 5🇭🇰 CHINA HONG KONG163♠♦K-2+0
+1.8Round 7🇹🇭 THAILAND13♦♣Q=+5
+1.8Round 8🇦🇺 AUSTRALIA234♥♦5=+1
+1.8Round 18🇦🇷 ARGENTINA112♦♥10=+5
+1.7Round 7🇹🇭 THAILAND84♥♠6=+0
+1.7Round 8🇦🇺 AUSTRALIA303N♦5+2+1
+1.7Round 18🇦🇷 ARGENTINA162♠♥K=-1
+1.7Round 20🇺🇸 USA 234♥♠A-1+5
+1.7Round 21🇧🇷 BRAZIL214♥♣K=+11
+1.6Round 3🇮🇩 INDONESIA83N♣5+1+1
+1.6Round 5🇭🇰 CHINA HONG KONG141N♣6+3+6
+1.6Round 14🇮🇹 ITALY13N♥A+1+1
+1.5Round 20🇺🇸 USA 2143N♣2+3-11
+1.5Round 21🇧🇷 BRAZIL324♦♣10=-7
+1.4Round 5🇭🇰 CHINA HONG KONG41N♥4+2+0
+1.4Round 5🇭🇰 CHINA HONG KONG123N♣3=-1
+1.4Round 6🇸🇪 SWEDEN16♣♠10+1-11
+1.4Round 7🇹🇭 THAILAND33♣♥9+1+1
+1.3Round 16🇩🇰 DENMARK52♠♥3=-10
+1.2Round 1🇫🇷 FRANCE124♠♣J=+6
+1.2Round 4🇪🇬 EGYPT163♠♦A=+6
+1.2Round 6🇸🇪 SWEDEN161♠♥9+1+0
+1.2Round 9🇵🇱 POLAND142♠♥9=+0
+1.2Round 21🇧🇷 BRAZIL253N♥4=+1
+1.1Round 9🇵🇱 POLAND133N♣K+1+1
+1.1Round 12🇨🇦 CANADA144♥♦5-2-1
+1.1Round 16🇩🇰 DENMARK84♥♥5=+0
+1.0Round 4🇪🇬 EGYPT23N♠J+1-12
+1.0Round 9🇵🇱 POLAND14♠♠2-1+5
+1.0Round 16🇩🇰 DENMARK113♣♠K-1+2
+1.0Round 17🇺🇸 USA 1274♠♦K=+0
+1.0Round 18🇦🇷 ARGENTINA102♥♣Q=-1
+1.0Round 20🇺🇸 USA 284♠♣3+1+0
+1.0Round 21🇧🇷 BRAZIL293N♦10+1+0
+0.9Round 20🇺🇸 USA 254♥♠2+2+12
+0.9Round 20🇺🇸 USA 2162♥♠A=+1
+0.8Round 1🇫🇷 FRANCE24♠♣A+1+0
+0.8Round 7🇹🇭 THAILAND113N♦2-2+6
+0.8Round 17🇺🇸 USA 1183♥♦Q=+0
+0.8Round 20🇺🇸 USA 243N♠2+3+12
+0.8Round 20🇺🇸 USA 2114♥♣5+2-1
+0.7Round 13🇬🇵 GUADELOUPE205♦♥A=-11
+0.7Round 13🇬🇵 GUADELOUPE314♥♦5-1+5
+0.7Round 21🇧🇷 BRAZIL182♦♠5+1+1
+0.6Round 3🇮🇩 INDONESIA13♥♦K+1-6
+0.6Round 5🇭🇰 CHINA HONG KONG104♥♠7-2+2
+0.6Round 6🇸🇪 SWEDEN41♠♦A-4+6
+0.6Round 12🇨🇦 CANADA54♠♦2=+0
+0.6Round 16🇩🇰 DENMARK13N♦2+1+0
+0.6Round 18🇦🇷 ARGENTINA144♥♦9-2+6
+0.5Round 5🇭🇰 CHINA HONG KONG24♥♥J+1+7
+0.5Round 13🇬🇵 GUADELOUPE194♥♦6+1+0
+0.5Round 17🇺🇸 USA 1312♠♦2+1+1
+0.4Round 1🇫🇷 FRANCE62♠♣4+1+0
+0.4Round 4🇪🇬 EGYPT91N♦4+2+10
+0.4Round 7🇹🇭 THAILAND125♦♥7+1+11
+0.4Round 17🇺🇸 USA 1224♠♥J+2+11
+0.3Round 10🇩🇪 GERMANY42♠♣K-1+0
-0.0Round 1🇫🇷 FRANCE83N♥A=-2
+0.0Round 4🇪🇬 EGYPT142♠♣5-2-1
-0.0Round 10🇩🇪 GERMANY92♠♥A=+0
+0.0Round 17🇺🇸 USA 1283♣♦2+1-7
-0.0Round 18🇦🇷 ARGENTINA153N♣J=-1
-0.1Round 3🇮🇩 INDONESIA143♥♦A-1-3
-0.1Round 6🇸🇪 SWEDEN112♠♣9+1+0
-0.1Round 12🇨🇦 CANADA14♠♥A-2+5
-0.2Round 16🇩🇰 DENMARK151N♣3=+1
-0.2Round 20🇺🇸 USA 2125♠♥10+1-1
-0.3Round 17🇺🇸 USA 1291N♦4+2-1
-0.4Round 4🇪🇬 EGYPT153N♦K=-1
-0.4Round 6🇸🇪 SWEDEN64♠♦2=+0
-0.4Round 16🇩🇰 DENMARK74♠♦2=+1
-0.4Round 17🇺🇸 USA 1203♦♥7=-1
-0.5Round 3🇮🇩 INDONESIA161N♥7+1-6
-0.5Round 7🇹🇭 THAILAND162♣♥A-1+2
-0.6Round 8🇦🇺 AUSTRALIA203N♣2=-1
-0.6Round 21🇧🇷 BRAZIL173N♥4-2+5
-0.7Round 8🇦🇺 AUSTRALIA284♥♣6+1-4
-0.7Round 13🇬🇵 GUADELOUPE253N♣5+2+0
-0.7Round 14🇮🇹 ITALY134♥♠4=+0
-0.7Round 16🇩🇰 DENMARK133N♦3+2-1
-0.8Round 5🇭🇰 CHINA HONG KONG83N♠2+2+0
-0.8Round 16🇩🇰 DENMARK102♠♦10-1+0
-0.8Round 18🇦🇷 ARGENTINA54♠♣J+1+0
-0.9Round 1🇫🇷 FRANCE163N♦10+2-1
-0.9Round 3🇮🇩 INDONESIA133N♠6+2-1
-0.9Round 4🇪🇬 EGYPT12♠♦9=+0
-0.9Round 10🇩🇪 GERMANY53♠♥2+1+1
-1.0Round 18🇦🇷 ARGENTINA13N♦10+2-1
-1.0Round 20🇺🇸 USA 292♠♦3+1+0
-1.0Round 21🇧🇷 BRAZIL202♠♣A=+10
-1.0Round 21🇧🇷 BRAZIL243♠♣K=-4
-1.1Round 10🇩🇪 GERMANY21N♦9=+0
-1.1Round 18🇦🇷 ARGENTINA91N♥8=+0
-1.2Round 3🇮🇩 INDONESIA34♥♦A=+0
-1.2Round 6🇸🇪 SWEDEN96N♥+1+11
-1.2Round 8🇦🇺 AUSTRALIA295♠♥J=+0
-1.3Round 7🇹🇭 THAILAND151N♣Q-1-1
-1.3Round 14🇮🇹 ITALY73♥♣A=+10
-1.4Round 9🇵🇱 POLAND42♠♣A-1+0
-1.4Round 12🇨🇦 CANADA95♦♠9=+0
-1.4Round 16🇩🇰 DENMARK35♦♥A=-11
-1.4Round 17🇺🇸 USA 1232♦♠3-2-2
-1.6Round 10🇩🇪 GERMANY123♥♠A+1+10
-1.6Round 12🇨🇦 CANADA133N♥2+2-1
-1.6Round 14🇮🇹 ITALY84♣♥A-1+2
-1.6Round 14🇮🇹 ITALY144♥♠A+2-1
-1.7Round 1🇫🇷 FRANCE93N♥6-1-6
-1.7Round 4🇪🇬 EGYPT114♠♦A-1-5
-1.8Round 6🇸🇪 SWEDEN24♠♥A+3-14
-1.8Round 7🇹🇭 THAILAND73N♦4+1+1
-1.9Round 8🇦🇺 AUSTRALIA263N♥4+2+0
-1.9Round 13🇬🇵 GUADELOUPE284♠♥9=+0
-1.9Round 16🇩🇰 DENMARK163♠♣Q-1-5
-1.9Round 17🇺🇸 USA 1175♦♥5-1+2
-2.0Round 6🇸🇪 SWEDEN84♠x♣10-3-2
-2.0Round 8🇦🇺 AUSTRALIA223N♥3+2+0
-2.0Round 13🇬🇵 GUADELOUPE231N♦6-1-5
-2.1Round 8🇦🇺 AUSTRALIA213♠♠3+2-6
-2.1Round 9🇵🇱 POLAND95♣♥4=-2
-2.1Round 12🇨🇦 CANADA155♥♣Q-2+0
-2.2Round 6🇸🇪 SWEDEN73♠♥2=-1
-2.2Round 7🇹🇭 THAILAND63N♠K+2+0
-2.2Round 12🇨🇦 CANADA111♠♣4+3-1
-2.3Round 18🇦🇷 ARGENTINA34♣♥A-1-3
-2.3Round 18🇦🇷 ARGENTINA133♣♥K+1+0
-2.4Round 9🇵🇱 POLAND55♦♥7+2-14
-2.4Round 13🇬🇵 GUADELOUPE214♥♠7-1+1
-2.4Round 21🇧🇷 BRAZIL234♥♠3+1+0
-2.5Round 8🇦🇺 AUSTRALIA184♠♣Q+1+0
-2.5Round 17🇺🇸 USA 1262♠♣2-2-2
-3.0Round 10🇩🇪 GERMANY162N♥7-2-8
-3.0Round 16🇩🇰 DENMARK121♥♠Q-1-5
-3.0Round 18🇦🇷 ARGENTINA73N♣7=+1
-3.1Round 14🇮🇹 ITALY51N♠6=-8
-3.3Round 21🇧🇷 BRAZIL192♠♣J=-6
-3.4Round 1🇫🇷 FRANCE133♦♠3+2-15
-3.4Round 4🇪🇬 EGYPT135♠♠A+1-1
-3.4Round 8🇦🇺 AUSTRALIA321N♠4+2-6
-3.4Round 12🇨🇦 CANADA66Nx♣A-1-13
-3.5Round 3🇮🇩 INDONESIA44♠♦Q=-3
-3.5Round 13🇬🇵 GUADELOUPE291N♦A-1-12
-3.5Round 21🇧🇷 BRAZIL262♠♣Q-1-5
-3.6Round 1🇫🇷 FRANCE52♥♣K-1-5
-3.6Round 13🇬🇵 GUADELOUPE172N♦K+1-1
-3.7Round 12🇨🇦 CANADA43♠♣Q-1+0
-3.8Round 10🇩🇪 GERMANY31N♣J+1-6
-4.2Round 16🇩🇰 DENMARK94♠♥7-3-7
-4.3Round 8🇦🇺 AUSTRALIA244♥♦A-2-6
-4.3Round 12🇨🇦 CANADA123N♣4-1-5
-4.5Round 21🇧🇷 BRAZIL283N♣7-3-9
-4.6Round 8🇦🇺 AUSTRALIA274♠♦2-2-6
-4.6Round 9🇵🇱 POLAND103♥♦5-1-5
-4.7Round 7🇹🇭 THAILAND24♠♣4=-1
-4.8Round 3🇮🇩 INDONESIA114♥♠9=+1
-4.8Round 7🇹🇭 THAILAND146♠x♥A-1-5
-4.9Round 12🇨🇦 CANADA34♥♦A=+0
-5.2Round 6🇸🇪 SWEDEN34♥♠K=+0
-5.2Round 10🇩🇪 GERMANY84♥♣A-4-7
-5.5Round 3🇮🇩 INDONESIA123N♠Q-3-7
-5.5Round 9🇵🇱 POLAND126♠x♣K-1-11
-5.5Round 10🇩🇪 GERMANY115♣x♦6=-4
-5.8Round 8🇦🇺 AUSTRALIA176♦♥6=+2
-5.9Round 12🇨🇦 CANADA26♦♠A=-11
-6.0Round 5🇭🇰 CHINA HONG KONG53N♦K=+1
-6.0Round 7🇹🇭 THAILAND55♠♦K-1-9
-6.0Round 12🇨🇦 CANADA71Nx♥3=-7
-6.1Round 3🇮🇩 INDONESIA105♦♠3=+0
-6.1Round 12🇨🇦 CANADA103N♥6-1-12
-6.5Round 16🇩🇰 DENMARK23N♥7=-6
-6.7Round 5🇭🇰 CHINA HONG KONG64♠♥Q+2-16
-6.8Round 1🇫🇷 FRANCE34♥♠5=+0
-6.8Round 20🇺🇸 USA 2134♥♣2-2-8
-6.9Round 3🇮🇩 INDONESIA72♣x♣9-3-5
-7.0Round 20🇺🇸 USA 273N♠9=+0
-7.1Round 5🇭🇰 CHINA HONG KONG95♦x♠3=-9
-7.1Round 7🇹🇭 THAILAND93♠♥2=-11
-7.3Round 4🇪🇬 EGYPT53N♣5+1+0
-7.9Round 4🇪🇬 EGYPT86♥♥3=+0
-8.0Round 8🇦🇺 AUSTRALIA253N♠6-1-12
-8.2Round 21🇧🇷 BRAZIL302♥x♦A-3-8
-8.3Round 20🇺🇸 USA 223♣♠3+1-8
-8.9Round 9🇵🇱 POLAND64♥♠4=-6
-9.8Round 20🇺🇸 USA 262♥♥3+3-10
-10.0Round 14🇮🇹 ITALY117♠♠2=+0
-10.0Round 20🇺🇸 USA 213N♣5=-7
-10.0Round 21🇧🇷 BRAZIL274♠♥K=-11
-10.2Round 5🇭🇰 CHINA HONG KONG34♠x♦10=-12
-10.9Round 14🇮🇹 ITALY165♠♦8-2-17
-13.5Round 18🇦🇷 ARGENTINA43♥x♣8+1-13
-13.7Round 4🇪🇬 EGYPT44♠♥A=-15
-14.0Round 10🇩🇪 GERMANY76♦xx♣A-1-14