🇺🇸 CLERKIN Jerry · USA1

83rank
-14.0Butler · 272 bds
-0.05per board
±3.9swing
-0.19vs par /bd · #79/127
+0.10adjusted /bd
Butler per round: -9.7 2.5 1.2 1.3 22.2 -29.2 -20.9 22.7 2.3 -11.5 -6.3 33.8 -8.3 -25.4 -2.4 13.8 -0.1by round

vs par split: bidding -0.14 · play -0.09

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted +0.10/bd

Card play — on target: opening leads 86.0% #28 of 127 · declarer play 68.8% #106 of 127 · defence 87.8% #47 of 127

Card play by contract type — on target
vs NTvs a suit
Opening leads93.3% (15)83.3% (42)
Declarer play60.0% (20)71.9% (57)
Defence90.0% (40)86.8% (91)

Opening leads by suit led: ♠ 84.6% (13) · ♥ 75.0% (12) · ♦ 94.1% (17) · ♣ 86.7% (15)

vs par by strain: NT -0.64 (81) · a suit -0.06 (190)

vs par by level: part-score -0.01 (109) · game -0.62 (146) · slam +1.75 (16)

By role: declaring +0.13/bd (-1.81 vs par · 141) · defending -0.25/bd (+1.56 vs par · 131)

By vulnerability: vulnerable -0.05/bd (-0.49 vs par · 136) · not vulnerable -0.05/bd (+0.12 vs par · 136)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.ClerkinN.Kokten – M.InceOpen16-9.7-0.61-2.06
Round 2D.ClerkinJ.Gowdy – D.TurnerOpen16+2.5+0.16+1.38
Round 4D.ClerkinC.Bjaring – J.OstbergClosed16+1.2+0.07+1.69
Round 5D.ClerkinA.Kanetkar – B.NeillOpen16+1.3+0.08+1.19
Round 6D.ClerkinJ.Zhou – M.SunClosed16+22.2+1.39-0.25
Round 8D.ClerkinA.Kalish – L.PodgurClosed16-29.2-1.82-2.12
Round 9D.ClerkinE.Tse – R.LingOpen16-20.9-1.31-2.25
Round 10D.ClerkinR.Sridharan – S.DhakrasClosed16+22.7+1.42+2.12
Round 12D.ClerkinP.Guillaumin – J.PalauClosed16+2.3+0.14-1.31
Round 13D.ClerkinJ.Russyan – J.ZarembaClosed16-11.5-0.72-2.44
Round 14D.ClerkinD.Berkowitz – A.SontagOpen16-6.3-0.39+0.19
Round 15D.ClerkinK.Ibrahim – M.MazharClosed16+33.8+2.11+0.00
Round 16D.ClerkinM.Villegas – W.FornasariClosed16-8.3-0.52-3.25
Round 18D.ClerkinS.Makram – M.TanboliClosed16-25.4-1.59-0.12
Round 19D.ClerkinA.Mina – R.PulgaOpen16-2.4-0.15+0.88
Round 20D.ClerkinH.Obermair – J.FucikOpen16+13.8+0.86+2.38
Round 21D.ClerkinA.Omasa – T.ImakuraClosed16-0.1-0.01+0.81

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
+12.3Round 10🇮🇳 INDIA186♥♣4=+0
+10.1Round 4🇸🇪 SWEDEN276NT♠4-4+17
+9.9Round 21🇯🇵 JAPAN9Pass+12
+9.5Round 15🇵🇰 PAKISTAN104♠♥J-5+12
+9.0Round 6🇨🇳 CHINA303NT♣Q-1+5
+9.0Round 15🇵🇰 PAKISTAN95♣♠2+1+11
+9.0Round 16🇦🇷 ARGENTINA184♠♣Q=+0
+8.7Round 19🇮🇹 ITALY125♥♠6+1+11
+8.3Round 10🇮🇳 INDIA264♠x♥Q-1+8
+7.9Round 14🇺🇸 USA2263NT♥7+1+11
+7.9Round 15🇵🇰 PAKISTAN26♠♠3+1-11
+7.9Round 20🇦🇹 AUSTRIA261NT♥9+3+10
+7.5Round 2🇨🇦 CANADA323♣♠K-1+12
+7.3Round 14🇺🇸 USA2244♥♣K-1+5
+7.3Round 20🇦🇹 AUSTRIA174♠♦K-2+11
+7.1Round 20🇦🇹 AUSTRIA254♠x♥A-3+14
+6.9Round 10🇮🇳 INDIA227♣x♥J-6+13
+6.7Round 6🇨🇳 CHINA273NT♠2-1+10
+6.6Round 13🇵🇱 POLAND143♠♣10=+6
+6.0Round 10🇮🇳 INDIA243NT♥5+3+11
+6.0Round 12🇫🇷 FRANCE183NT♥7=+10
+5.4Round 5🇦🇺 AUSTRALIA32♠♠5+3+6
+5.4Round 10🇮🇳 INDIA214♥♣J-2+0
+5.3Round 19🇮🇹 ITALY17♥♣9-2+17
+5.2Round 10🇮🇳 INDIA194♥♠8=+7
+5.1Round 1🇹🇷 TURKEY134♠♦J-1+12
+4.9Round 4🇸🇪 SWEDEN284♥♣K-1+10
+4.9Round 15🇵🇰 PAKISTAN114♥♣6=+0
+4.7Round 8🇮🇱 ISRAEL322♥♦8+1-6
+4.7Round 14🇺🇸 USA2213NT♥4+2+0
+4.7Round 15🇵🇰 PAKISTAN34♣♦A-1+1
+4.6Round 5🇦🇺 AUSTRALIA23NT♥2=+0
+4.6Round 12🇫🇷 FRANCE254♠♣K-1+5
+4.4Round 21🇯🇵 JAPAN123NT♣5+2+0
+4.1Round 15🇵🇰 PAKISTAN144♠♦A=+0
+4.1Round 16🇦🇷 ARGENTINA254♠♠6=+7
+4.0Round 4🇸🇪 SWEDEN193♥♠J-2+7
+3.9Round 2🇨🇦 CANADA273NT♥K-2+11
+3.7Round 1🇹🇷 TURKEY52♥♦9=+5
+3.7Round 5🇦🇺 AUSTRALIA103♣♥K-2+7
+3.7Round 19🇮🇹 ITALY102♠♦6+1+6
+3.7Round 20🇦🇹 AUSTRIA232♦♣A=+12
+3.6Round 10🇮🇳 INDIA281NT♦5=+0
+3.6Round 20🇦🇹 AUSTRIA183NT♣4-1+5
+3.5Round 10🇮🇳 INDIA325♥x♠K-2+18
+3.4Round 6🇨🇳 CHINA234♠♣8+2+9
+3.4Round 19🇮🇹 ITALY94♥♦J+2+2
+3.3Round 1🇹🇷 TURKEY154♥♦6=-1
+3.0Round 9🇭🇰 CHINA HONG KONG13♠♠2+1+6
+2.9Round 12🇫🇷 FRANCE194♥♠5=-1
+2.9Round 13🇵🇱 POLAND43♠♦K=+0
+2.9Round 15🇵🇰 PAKISTAN124♠♦5=-1
+2.8Round 12🇫🇷 FRANCE241NT♦J+2+1
+2.8Round 20🇦🇹 AUSTRIA212♥♦10-1-1
+2.7Round 1🇹🇷 TURKEY113♠♣Q=+1
+2.7Round 6🇨🇳 CHINA223NT♠J+1+1
+2.7Round 14🇺🇸 USA2314♠x♦Q-1+0
+2.4Round 4🇸🇪 SWEDEN212♠♥5-1+1
+2.4Round 6🇨🇳 CHINA184♠♣K+2-13
+2.4Round 12🇫🇷 FRANCE261NT♠2-2+3
+2.4Round 13🇵🇱 POLAND102♦♦2-2-7
+2.3Round 4🇸🇪 SWEDEN223♦♣3=+9
+2.3Round 18🇪🇬 EGYPT213NT♥10+1+4
+2.3Round 19🇮🇹 ITALY163♥♦A=+0
+2.2Round 4🇸🇪 SWEDEN312♠♣2+1+11
+2.2Round 12🇫🇷 FRANCE204♥♣3=-1
+2.1Round 15🇵🇰 PAKISTAN151NT♣2+1+0
+2.0Round 2🇨🇦 CANADA204♥♣6=+0
+2.0Round 5🇦🇺 AUSTRALIA151NT♣K+1+1
+2.0Round 16🇦🇷 ARGENTINA303NT♣5=+0
+1.9Round 2🇨🇦 CANADA233♠♦6=+0
+1.9Round 18🇪🇬 EGYPT322♦♦4-1+0
+1.9Round 21🇯🇵 JAPAN153NT♠J=+3
+1.8Round 6🇨🇳 CHINA293♠♣K-1-1
+1.8Round 15🇵🇰 PAKISTAN65♦♠K+1+14
+1.8Round 18🇪🇬 EGYPT235♠♣2+1+13
+1.8Round 20🇦🇹 AUSTRIA201NT♦7-1+0
+1.8Round 20🇦🇹 AUSTRIA292♠♥4+3+7
+1.7Round 13🇵🇱 POLAND155♥♠A=+4
+1.7Round 21🇯🇵 JAPAN72♦♠6+2+0
+1.6Round 9🇭🇰 CHINA HONG KONG53♦♥J-1+0
+1.5Round 8🇮🇱 ISRAEL232♥♥J-1+1
+1.5Round 18🇪🇬 EGYPT174♥♠A-1+4
+1.5Round 20🇦🇹 AUSTRIA311♠x♣Q-2-7
+1.4Round 5🇦🇺 AUSTRALIA11NT♥5-1-2
+1.3Round 16🇦🇷 ARGENTINA313NT♥6+1+0
+1.2Round 1🇹🇷 TURKEY104♥♠6+1+0
+1.2Round 6🇨🇳 CHINA214♠♣K-1-2
+1.2Round 8🇮🇱 ISRAEL174♠♥2+2+11
+1.2Round 12🇫🇷 FRANCE274♠♠4-1+5
+1.1Round 6🇨🇳 CHINA323♦♣4-1+2
+1.0Round 6🇨🇳 CHINA282♠♠9=+1
+1.0Round 8🇮🇱 ISRAEL305♣♥8=-11
+1.0Round 13🇵🇱 POLAND92♠♥Q=-1
+1.0Round 16🇦🇷 ARGENTINA324♠♣6+1+0
+0.8Round 6🇨🇳 CHINA313NT♦8+1-1
+0.8Round 15🇵🇰 PAKISTAN84♠♦A=+0
+0.8Round 20🇦🇹 AUSTRIA191NT♣5-1+5
+0.7Round 12🇫🇷 FRANCE322♠♥K+2-1
+0.7Round 16🇦🇷 ARGENTINA281NT♣10-2-11
+0.7Round 16🇦🇷 ARGENTINA291NT♠6=+0
+0.7Round 18🇪🇬 EGYPT204♥♦A=+1
+0.7Round 19🇮🇹 ITALY143NT♣Q+1+0
+0.7Round 20🇦🇹 AUSTRIA282♥♦J=+0
+0.6Round 2🇨🇦 CANADA292♠♦K+1+0
+0.6Round 2🇨🇦 CANADA303NT♣4=+1
+0.5Round 2🇨🇦 CANADA254♠♣A+1+0
+0.5Round 9🇭🇰 CHINA HONG KONG33NT♣4+1-1
+0.5Round 9🇭🇰 CHINA HONG KONG117♥♥8=+0
+0.5Round 18🇪🇬 EGYPT254♠♥6=+0
+0.3Round 4🇸🇪 SWEDEN183NT♠A-1+0
+0.3Round 10🇮🇳 INDIA254♠♦6=+0
+0.3Round 21🇯🇵 JAPAN104♠♦3-1-6
+0.3Round 21🇯🇵 JAPAN166♦♣10=+13
+0.2Round 1🇹🇷 TURKEY82♥♣J-1-1
+0.2Round 9🇭🇰 CHINA HONG KONG64♥♣K=-1
+0.2Round 13🇵🇱 POLAND13NT♠8=-2
+0.2Round 15🇵🇰 PAKISTAN44♠♥8+1+0
+0.2Round 15🇵🇰 PAKISTAN162♥♦4+2-10
+0.2Round 21🇯🇵 JAPAN61♥♣10+2+0
+0.1Round 1🇹🇷 TURKEY144♠♦6+1+0
+0.1Round 5🇦🇺 AUSTRALIA53♥♣K-3+10
+0.1Round 5🇦🇺 AUSTRALIA124♠♥Q+1+1
+0.1Round 6🇨🇳 CHINA194♥♣K+1-11
+0.1Round 13🇵🇱 POLAND62♥♠K-1-4
+0.1Round 16🇦🇷 ARGENTINA193♠♣4-1+5
+0.0Round 1🇹🇷 TURKEY32♥♥6=+0
-0.0Round 1🇹🇷 TURKEY93♥♦8=+0
-0.0Round 2🇨🇦 CANADA313NT♠8=+0
+0.0Round 4🇸🇪 SWEDEN264♥♦K=+3
-0.0Round 5🇦🇺 AUSTRALIA161NT♠7=+1
-0.0Round 14🇺🇸 USA2303♠♥6=-7
-0.0Round 15🇵🇰 PAKISTAN73NT♥5+1+1
+0.0Round 21🇯🇵 JAPAN44♥♠K+1+0
-0.1Round 4🇸🇪 SWEDEN204♠♣4=+0
-0.1Round 4🇸🇪 SWEDEN253NT♥2+1+0
-0.1Round 12🇫🇷 FRANCE304♠♥2+1-1
-0.1Round 13🇵🇱 POLAND115♣♥A-1-6
-0.1Round 16🇦🇷 ARGENTINA263NT♣4=+1
-0.1Round 19🇮🇹 ITALY114♥♣10=+0
-0.2Round 9🇭🇰 CHINA HONG KONG22♠♣A-1-6
-0.2Round 9🇭🇰 CHINA HONG KONG124♥♠9=+1
-0.2Round 12🇫🇷 FRANCE172♥♦A-2-1
-0.3Round 5🇦🇺 AUSTRALIA114♠♥10=+0
-0.3Round 8🇮🇱 ISRAEL254♠♥2=+0
-0.5Round 9🇭🇰 CHINA HONG KONG162♠♠9+2+10
-0.5Round 21🇯🇵 JAPAN54♠♣3+1+0
-0.6Round 2🇨🇦 CANADA176♥♦3=+11
-0.6Round 4🇸🇪 SWEDEN293♣♣3+1+10
-0.6Round 6🇨🇳 CHINA175♦♦3-2+0
-0.6Round 6🇨🇳 CHINA263NT♦6+2+0
-0.6Round 14🇺🇸 USA2194♠♦A+2+1
-0.6Round 14🇺🇸 USA2222♠♥6-1+10
-0.6Round 14🇺🇸 USA2273NT♠4-2-6
-0.6Round 19🇮🇹 ITALY63♣♥K=+0
-0.6Round 21🇯🇵 JAPAN114♠♣K=+0
-0.7Round 1🇹🇷 TURKEY72♥♥4=+0
-0.7Round 2🇨🇦 CANADA282♠♦2+1+0
-0.7Round 5🇦🇺 AUSTRALIA61NT♠6-4+2
-0.7Round 8🇮🇱 ISRAEL292♠♥A-1+0
-0.7Round 13🇵🇱 POLAND32♠♣4+2+1
-0.7Round 18🇪🇬 EGYPT303NT♦6+2-1
-0.8Round 2🇨🇦 CANADA194♠♥J-2+1
-0.9Round 10🇮🇳 INDIA292♥♦K-1-1
-0.9Round 14🇺🇸 USA2233NT♥Q+2+13
-0.9Round 16🇦🇷 ARGENTINA274♥♣6=+1
-0.9Round 19🇮🇹 ITALY42♠♦5=-1
-1.0Round 6🇨🇳 CHINA254♥♦J-1-4
-1.0Round 9🇭🇰 CHINA HONG KONG135♦♣Q=-13
-1.0Round 9🇭🇰 CHINA HONG KONG153NT♠6=-1
-1.0Round 12🇫🇷 FRANCE233NT♣9+3-13
-1.0Round 16🇦🇷 ARGENTINA243NT♣6=-11
-1.0Round 21🇯🇵 JAPAN23♦♣K=+1
-1.1Round 13🇵🇱 POLAND21NT♠A+1+0
-1.1Round 14🇺🇸 USA2293♠♥A-1+1
-1.1Round 14🇺🇸 USA2321NT♣2=-5
-1.1Round 18🇪🇬 EGYPT183NT♦Q+1+0
-1.1Round 19🇮🇹 ITALY56♠♥K+1+11
-1.1Round 19🇮🇹 ITALY133♠♦8=+0
-1.2Round 1🇹🇷 TURKEY42♠♣K-1+1
-1.2Round 4🇸🇪 SWEDEN171NT♠K=-8
-1.2Round 5🇦🇺 AUSTRALIA41NT♠5+1+0
-1.2Round 5🇦🇺 AUSTRALIA93NT♣7+2+11
-1.2Round 18🇪🇬 EGYPT222NT♣5+1-6
-1.2Round 18🇪🇬 EGYPT264♥♥3-1+1
-1.2Round 21🇯🇵 JAPAN14♥♠3-1+2
-1.3Round 2🇨🇦 CANADA221NT♣5-1-4
-1.3Round 9🇭🇰 CHINA HONG KONG102♠♣2=+1
-1.4Round 1🇹🇷 TURKEY162♥♠7-2-6
-1.4Round 5🇦🇺 AUSTRALIA73♥♦7=-1
-1.4Round 19🇮🇹 ITALY151NT♥9=+1
-1.6Round 10🇮🇳 INDIA171NT♣7-2+1
-1.6Round 21🇯🇵 JAPAN83♠♣Q=-1
-1.7Round 6🇨🇳 CHINA203♥♦K-1+0
-1.7Round 19🇮🇹 ITALY83♠♣J=-1
-1.9Round 2🇨🇦 CANADA183NT♦10+2-13
-1.9Round 5🇦🇺 AUSTRALIA144♠♦10=+0
-2.0Round 4🇸🇪 SWEDEN323NT♦6=+0
-2.0Round 8🇮🇱 ISRAEL282♠♥K=+1
-2.0Round 12🇫🇷 FRANCE294♥♥8+1-1
-2.0Round 16🇦🇷 ARGENTINA173♥♠A+1-2
-2.0Round 18🇪🇬 EGYPT292♥♠6=+1
-2.1Round 20🇦🇹 AUSTRIA276♥♦A=+0
-2.2Round 21🇯🇵 JAPAN134♠♦5+1-1
-2.3Round 8🇮🇱 ISRAEL261NT♦2+1+0
-2.3Round 13🇵🇱 POLAND54♠♥Q-1-2
-2.3Round 18🇪🇬 EGYPT244♦♠K-1+4
-2.5Round 10🇮🇳 INDIA232NT♥Q-3-10
-2.5Round 12🇫🇷 FRANCE223NT♦2-1-10
-2.6Round 20🇦🇹 AUSTRIA243♣♣10=+0
-2.7Round 16🇦🇷 ARGENTINA216♣♦6=-13
-2.7Round 18🇪🇬 EGYPT312♠♥6-2-2
-2.8Round 8🇮🇱 ISRAEL222♣♣6=-6
-2.8Round 12🇫🇷 FRANCE211NT♦Q-1+0
-2.8Round 13🇵🇱 POLAND87♠♠8=+0
-2.8Round 15🇵🇰 PAKISTAN53NT♦6+1+0
-3.0Round 2🇨🇦 CANADA212♠♥Q=-5
-3.0Round 2🇨🇦 CANADA263NT♥5+3+13
-3.0Round 9🇭🇰 CHINA HONG KONG44♥♦K-1-12
-3.0Round 12🇫🇷 FRANCE283♥♣6-1-6
-3.0Round 13🇵🇱 POLAND123NT♠4-2-7
-3.0Round 16🇦🇷 ARGENTINA222♥♦5=-6
-3.1Round 8🇮🇱 ISRAEL202♠♥6-1-5
-3.1Round 8🇮🇱 ISRAEL313♠♣A=+0
-3.2Round 2🇨🇦 CANADA246♥♠Q=-5
-3.2Round 5🇦🇺 AUSTRALIA85♥x♠4-3-5
-3.2Round 8🇮🇱 ISRAEL245♦♣10+1-11
-3.2Round 9🇭🇰 CHINA HONG KONG73♥♠A-2-3
-3.2Round 14🇺🇸 USA2173♠♦10=+7
-3.3Round 19🇮🇹 ITALY74♥♦5-1-12
-3.8Round 9🇭🇰 CHINA HONG KONG83NT♦3+1+0
-4.1Round 1🇹🇷 TURKEY124♥♦4+2-16
-4.1Round 6🇨🇳 CHINA243NT♦K=+0
-4.2Round 8🇮🇱 ISRAEL191♠♣3+1-6
-4.2Round 10🇮🇳 INDIA273♦♣A=-5
-4.5Round 4🇸🇪 SWEDEN242♣x♥J-2-5
-4.6Round 13🇵🇱 POLAND163NT♠6+1+0
-4.6Round 14🇺🇸 USA2255♥♠4=-4
-4.8Round 8🇮🇱 ISRAEL181♦♦6=-5
-4.9Round 1🇹🇷 TURKEY24♠♣4=-7
-4.9Round 14🇺🇸 USA2282♥♥A-3-5
-4.9Round 20🇦🇹 AUSTRIA306♣♦5=+2
-5.0Round 8🇮🇱 ISRAEL273NT♦4=+1
-5.0Round 14🇺🇸 USA2185♥x♠Q-2-8
-5.0Round 15🇵🇰 PAKISTAN13NT♠5-1-10
-5.0Round 21🇯🇵 JAPAN144♠x♥6-2+0
-5.1Round 9🇭🇰 CHINA HONG KONG143NT♣7-3-6
-5.2Round 20🇦🇹 AUSTRIA224♠♠6-1-10
-5.4Round 13🇵🇱 POLAND73NT♦10-2-13
-5.8Round 18🇪🇬 EGYPT194♠♦K-1-10
-5.9Round 1🇹🇷 TURKEY64♥♠8=-10
-6.0Round 10🇮🇳 INDIA305♦♠J=+0
-6.1Round 5🇦🇺 AUSTRALIA132♥♠A-2-12
-6.1Round 8🇮🇱 ISRAEL213NT♣K=+2
-6.3Round 10🇮🇳 INDIA313NTx♠9-1-8
-6.3Round 14🇺🇸 USA2204♥♠7=-10
-6.4Round 13🇵🇱 POLAND133NT♦6-2-8
-6.5Round 4🇸🇪 SWEDEN235♦♥6-1-12
-6.5Round 15🇵🇰 PAKISTAN132NT♣6-2-7
-6.7Round 21🇯🇵 JAPAN34♥♦6-1-10
-7.0Round 18🇪🇬 EGYPT273NT♠3=+0
-7.3Round 10🇮🇳 INDIA204♥♦Q+1+0
-7.4Round 9🇭🇰 CHINA HONG KONG94♠♥7=-11
-7.7Round 16🇦🇷 ARGENTINA203NT♥4+1-11
-7.7Round 19🇮🇹 ITALY33NT♦6-3-11
-7.8Round 1🇹🇷 TURKEY14♠♣Q-2-11
-8.6Round 19🇮🇹 ITALY25♠♣A-1-9
-8.9Round 12🇫🇷 FRANCE313NT♥3-1-10
-9.8Round 16🇦🇷 ARGENTINA233NT♠6-1-12
-10.0Round 4🇸🇪 SWEDEN307♥♥6-1-16
-10.1Round 18🇪🇬 EGYPT286♠♣5=-11
-10.4Round 20🇦🇹 AUSTRIA324♠♦J=-10