🇺🇸 SONTAG Alan · USA2

5rank
+178.9Butler · 240 bds
+0.75per board
±4.2swing
+1.10vs par /bd · #5/127
+0.69adjusted /bd
Butler per round: 11.1 -19.4 29.5 13.3 -12.8 5.5 34.9 12.5 28.1 6.3 21.6 6.8 3.7 10.6 27.2by round

vs par split: bidding +0.77 · play +0.28

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.69/bd

Card play — on target: opening leads 82.4% #60 of 127 · declarer play 82.8% #19 of 127 · defence 89.9% #23 of 127

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (24)82.0% (50)
Declarer play87.5% (16)81.2% (48)
Defence83.3% (36)92.8% (83)

Opening leads by suit led: ♠ 90.9% (11) · ♥ 81.0% (21) · ♦ 81.0% (21) · ♣ 81.0% (21)

vs par by strain: NT +0.55 (69) · a suit +1.26 (170)

vs par by level: part-score +1.26 (104) · game +0.18 (118) · slam +5.94 (17)

By role: declaring +1.03/bd (-0.57 vs par · 121) · defending +0.45/bd (+2.81 vs par · 119)

By vulnerability: vulnerable +0.28/bd (+0.12 vs par · 120) · not vulnerable +1.21/bd (+2.09 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2D.BerkowitzM.Shen – X.ShenClosed16+11.1+0.69-0.56
Round 3D.BerkowitzA.Kalish – L.PodgurOpen16-19.4-1.21-0.44
Round 4D.BerkowitzM.Kamel – A.AzizOpen16+29.5+1.84+4.00
Round 6D.BerkowitzE.Tse – P.YeungOpen16+13.3+0.83-0.88
Round 7D.BerkowitzD.Poddar – J.SolaniOpen16-12.8-0.80-1.19
Round 9D.BerkowitzM.Kirr – A.AltayOpen16+5.5+0.34+1.31
Round 10D.BerkowitzW.Lazer – P.GumbyOpen16+34.9+2.18+2.81
Round 11D.BerkowitzA.Morath – S.BjerregardOpen16+12.5+0.78+0.81
Round 12D.BerkowitzA.Buratti – G.FaillaOpen16+28.1+1.76+2.75
Round 14D.BerkowitzJ.Clerkin – D.ClerkinOpen16+6.3+0.39-0.19
Round 15D.BerkowitzB.Palmer – N.StuckeyClosed16+21.6+1.35+2.69
Round 16D.BerkowitzK.Feichtinger – H.ObermairOpen16+6.8+0.42+2.94
Round 18D.BerkowitzR.Amoedo – M.AloiOpen16+3.7+0.23-1.06
Round 19D.BerkowitzP.Toffier – P.SchmidtOpen16+10.6+0.66+1.62
Round 21D.BerkowitzM.Mazhar – K.IbrahimOpen16+27.2+1.70+1.94

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
+15.4Round 21🇵🇰 PAKISTAN167♦♣10-1+20
+13.4Round 4🇪🇬 EGYPT236♦♦2=+13
+12.3Round 10🇦🇺 AUSTRALIA186♥♣5=+0
+11.4Round 12🇮🇹 ITALY313♦♠K+1+12
+10.9Round 11🇸🇪 SWEDEN117♣x♥10-2+15
+10.2Round 16🇦🇹 AUSTRIA311NT♣8+1+11
+10.1Round 18🇧🇷 BRAZIL286♠♥9=+11
+9.9Round 21🇵🇰 PAKISTAN9Pass+12
+9.7Round 18🇧🇷 BRAZIL213♥♦A-1+10
+9.3Round 11🇸🇪 SWEDEN93NT♣6=+3
+9.2Round 2🇨🇳 CHINA204♥♣4-1+12
+8.8Round 12🇮🇹 ITALY233♠♥6+3+15
+8.7Round 7🇮🇳 INDIA166♥♦10=+0
+8.4Round 19🇫🇷 FRANCE63NT♥8-3+9
+8.0Round 10🇦🇺 AUSTRALIA204♥♦Q-2+13
+7.4Round 6🇭🇰 CHINA HONG KONG235♥x♠8-2+12
+7.4Round 19🇫🇷 FRANCE17♥♣10-4+17
+7.2Round 15🇳🇿 NEW ZEALAND113NT♦10-2+11
+7.2Round 21🇵🇰 PAKISTAN14♠x♥A-2+9
+6.7Round 6🇭🇰 CHINA HONG KONG273NT♠2-1+10
+6.5Round 10🇦🇺 AUSTRALIA244NT♥5+1+11
+6.4Round 11🇸🇪 SWEDEN83♥♣A=+10
+6.3Round 14🇺🇸 USA1204♥♠7=+10
+6.3Round 15🇳🇿 NEW ZEALAND104♥♦Q-2+2
+6.3Round 16🇦🇹 AUSTRIA233♣♦6+2+10
+6.3Round 16🇦🇹 AUSTRIA243♦♣K+3+13
+6.1Round 4🇪🇬 EGYPT173NT♠6=-1
+6.1Round 15🇳🇿 NEW ZEALAND14♥♣3-2+11
+5.7Round 4🇪🇬 EGYPT242♣♥J+1+6
+5.5Round 12🇮🇹 ITALY283NT♠3-2+8
+5.4Round 4🇪🇬 EGYPT306NT♦3=-10
+5.2Round 9🇨🇦 CANADA15♣x♠9-3+2
+5.2Round 10🇦🇺 AUSTRALIA194♥♠8=+7
+5.2Round 16🇦🇹 AUSTRIA184♠♣K-2+13
+5.1Round 9🇨🇦 CANADA142NT♣A-3+6
+5.0Round 14🇺🇸 USA1185♥x♠Q-2+8
+4.9Round 14🇺🇸 USA1282♥♥A-3+5
+4.8Round 21🇵🇰 PAKISTAN34♥♥A+1+1
+4.7Round 11🇸🇪 SWEDEN123♣♠4-2+3
+4.7Round 19🇫🇷 FRANCE34♥♦K=+0
+4.6Round 14🇺🇸 USA1255♥♠4=+4
+4.4Round 21🇵🇰 PAKISTAN123NT♣5+2+0
+4.2Round 6🇭🇰 CHINA HONG KONG253♥♦4=+1
+4.1Round 15🇳🇿 NEW ZEALAND123♠♣J=+7
+4.0Round 15🇳🇿 NEW ZEALAND131NT♥4=+5
+3.9Round 7🇮🇳 INDIA24♥♦9-2+8
+3.9Round 12🇮🇹 ITALY273♠♦4=+0
+3.9Round 15🇳🇿 NEW ZEALAND24♠♦4+2+14
+3.7Round 15🇳🇿 NEW ZEALAND53NT♦Q+2+1
+3.6Round 10🇦🇺 AUSTRALIA171NT♣7=+6
+3.6Round 10🇦🇺 AUSTRALIA281NT♦5=+0
+3.5Round 12🇮🇹 ITALY193♥♦4+1+7
+3.4Round 18🇧🇷 BRAZIL173♥♣7=+1
+3.4Round 19🇫🇷 FRANCE94♥♦J+2+2
+3.2Round 2🇨🇳 CHINA246♥♦5=+5
+3.2Round 14🇺🇸 USA1173♠♦10=-7
+3.0Round 2🇨🇳 CHINA263NT♠10+3-13
+3.0Round 9🇨🇦 CANADA44♥♦A-1+12
+3.0Round 10🇦🇺 AUSTRALIA261NT♦Q-1+1
+2.8Round 6🇭🇰 CHINA HONG KONG293♣♠A+1+0
+2.8Round 12🇮🇹 ITALY211NT♣5-1+0
+2.7Round 3🇮🇱 ISRAEL11NT♣2=+6
+2.6Round 6🇭🇰 CHINA HONG KONG242♠♦K=+7
+2.5Round 12🇮🇹 ITALY223NT♦2-1+10
+2.4Round 6🇭🇰 CHINA HONG KONG184♠♣K+2-13
+2.3Round 2🇨🇳 CHINA194♠♥J-3+1
+2.3Round 4🇪🇬 EGYPT223♦♠10=+9
+2.3Round 9🇨🇦 CANADA103♠♥7=+0
+2.1Round 11🇸🇪 SWEDEN63NT♣6-1+0
+2.1Round 15🇳🇿 NEW ZEALAND143♠♦A+1+6
+2.0Round 12🇮🇹 ITALY294♥♥8+1+1
+1.9Round 16🇦🇹 AUSTRIA274♥♣10+1+0
+1.9Round 21🇵🇰 PAKISTAN153NT♥10=+3
+1.8Round 6🇭🇰 CHINA HONG KONG223NT♠J=+0
+1.6Round 3🇮🇱 ISRAEL54♠♣Q=-1
+1.6Round 10🇦🇺 AUSTRALIA273♣♦10=+0
+1.6Round 11🇸🇪 SWEDEN74♠♥4+1+4
+1.6Round 12🇮🇹 ITALY172♥♦A-1+2
+1.4Round 2🇨🇳 CHINA176♥♠3+1-11
+1.4Round 2🇨🇳 CHINA303NT♠4+2+1
+1.4Round 7🇮🇳 INDIA82♥♠3+2+1
+1.4Round 19🇫🇷 FRANCE162♥♦A=-1
+1.3Round 2🇨🇳 CHINA223♣♦J-1+4
+1.3Round 2🇨🇳 CHINA293♣♥2-2+2
+1.3Round 7🇮🇳 INDIA41NT♥3+2+1
+1.3Round 7🇮🇳 INDIA62♣♥4=-1
+1.2Round 2🇨🇳 CHINA183NT♣5+3+13
+1.2Round 6🇭🇰 CHINA HONG KONG214♠♣K-1-2
+1.2Round 7🇮🇳 INDIA95♦x♠3-3-4
+1.2Round 18🇧🇷 BRAZIL221NT♣5+2+6
+1.1Round 4🇪🇬 EGYPT191NT♠J-1+5
+1.1Round 14🇺🇸 USA1293♠♥A-1-1
+1.1Round 14🇺🇸 USA1321NT♣2=+5
+1.1Round 15🇳🇿 NEW ZEALAND73NT♣4+2+0
+1.1Round 16🇦🇹 AUSTRIA264♠♣2=+0
+1.0Round 9🇨🇦 CANADA153NT♦10=+1
+1.0Round 10🇦🇺 AUSTRALIA311NT♥8-2-1
+1.0Round 11🇸🇪 SWEDEN45♠♦9=+0
+1.0Round 18🇧🇷 BRAZIL262♣♥K=-2
+0.9Round 3🇮🇱 ISRAEL43NT♦2+1+0
+0.9Round 14🇺🇸 USA1233NT♥Q+2-13
+0.8Round 3🇮🇱 ISRAEL162♥♦3=+0
+0.7Round 2🇨🇳 CHINA282♠♦9+1+0
+0.7Round 7🇮🇳 INDIA122♥♠6=+0
+0.7Round 18🇧🇷 BRAZIL303NT♦6+2+1
+0.6Round 10🇦🇺 AUSTRALIA212♥♣J=-5
+0.6Round 12🇮🇹 ITALY262♥♥4-1+0
+0.6Round 14🇺🇸 USA1194♠♦A+2-1
+0.6Round 14🇺🇸 USA1222♠♥6-1-10
+0.6Round 14🇺🇸 USA1273NT♠4-2+6
+0.5Round 9🇨🇦 CANADA54♦♥J-2+3
+0.5Round 9🇨🇦 CANADA162♠♠9+2-10
+0.5Round 11🇸🇪 SWEDEN53NT♦2=+0
+0.4Round 3🇮🇱 ISRAEL82♠♠3-2-7
+0.4Round 6🇭🇰 CHINA HONG KONG263NT♦7+1+1
+0.3Round 4🇪🇬 EGYPT183♣♦6-1+0
+0.3Round 4🇪🇬 EGYPT311NT♣8=+11
+0.3Round 9🇨🇦 CANADA135♦♣10+1+13
+0.3Round 10🇦🇺 AUSTRALIA254♠♥2=+0
+0.3Round 10🇦🇺 AUSTRALIA303♦♠J+1+7
+0.3Round 12🇮🇹 ITALY322♠♣K+3+2
+0.3Round 21🇵🇰 PAKISTAN104♠♦4-1-6
+0.2Round 9🇨🇦 CANADA72♠♣K=+0
+0.2Round 9🇨🇦 CANADA124♥♠5=-1
+0.2Round 16🇦🇹 AUSTRIA216♠♥A+1+13
+0.2Round 19🇫🇷 FRANCE42♠♦2+1+0
+0.2Round 21🇵🇰 PAKISTAN62♥♣10+1+0
+0.1Round 6🇭🇰 CHINA HONG KONG194♥♠8+1-11
+0.1Round 18🇧🇷 BRAZIL185♣♣9=-1
+0.0Round 2🇨🇳 CHINA313NT♠9=+0
+0.0Round 3🇮🇱 ISRAEL94♥♦2=+0
+0.0Round 4🇪🇬 EGYPT264♥♣5=+3
+0.0Round 14🇺🇸 USA1303♠♥6=+7
+0.0Round 16🇦🇹 AUSTRIA172♥♣3=+0
-0.0Round 16🇦🇹 AUSTRIA324♠♣9=+1
+0.0Round 21🇵🇰 PAKISTAN44♥♠A+1+0
-0.1Round 4🇪🇬 EGYPT204♠♣4=+0
-0.1Round 4🇪🇬 EGYPT253NT♥4+1+0
-0.1Round 6🇭🇰 CHINA HONG KONG282♠♠9+1+0
-0.1Round 19🇫🇷 FRANCE114♥♣Q=+0
-0.2Round 3🇮🇱 ISRAEL122♥♦K=+0
-0.2Round 4🇪🇬 EGYPT211NT♠Q-2-2
-0.2Round 7🇮🇳 INDIA14♥♣7=+1
-0.2Round 9🇨🇦 CANADA64♥♣K=+1
-0.2Round 15🇳🇿 NEW ZEALAND44♠♦2+1+0
-0.2Round 15🇳🇿 NEW ZEALAND162♥♦4+2+10
-0.3Round 7🇮🇳 INDIA53♣♦4+1-7
-0.3Round 19🇫🇷 FRANCE143NT♣Q+2-1
-0.4Round 3🇮🇱 ISRAEL74♥♣5+1+0
-0.5Round 9🇨🇦 CANADA33NT♠2+1+1
-0.5Round 9🇨🇦 CANADA117♥♥7=+0
-0.5Round 11🇸🇪 SWEDEN103NT♣2+1-12
-0.5Round 18🇧🇷 BRAZIL254♠♥9=+0
-0.5Round 21🇵🇰 PAKISTAN54♠♥2+1+0
-0.5Round 21🇵🇰 PAKISTAN144♠x♣Q-1+5
-0.6Round 4🇪🇬 EGYPT292♥♠8+1+10
-0.6Round 6🇭🇰 CHINA HONG KONG175♦♦3-2+0
-0.6Round 10🇦🇺 AUSTRALIA326♥x♠A-3+17
-0.7Round 3🇮🇱 ISRAEL33♦♣7+1+0
-0.7Round 3🇮🇱 ISRAEL113NT♥A-3-2
-0.7Round 6🇭🇰 CHINA HONG KONG322♠♥5=+0
-0.7Round 16🇦🇹 AUSTRIA282♦♣5-2+11
-0.7Round 18🇧🇷 BRAZIL204♥♠A=-1
-0.7Round 18🇧🇷 BRAZIL243♠♥A+1-7
-0.8Round 7🇮🇳 INDIA142♠♣5-1-4
-0.8Round 15🇳🇿 NEW ZEALAND84♠♦5=+0
-0.9Round 10🇦🇺 AUSTRALIA292♥♣K-1-1
-0.9Round 12🇮🇹 ITALY304♠♠J=+0
-0.9Round 18🇧🇷 BRAZIL272♠♣10-1-8
-1.0Round 3🇮🇱 ISRAEL23NT♦2=-1
-1.0Round 3🇮🇱 ISRAEL136NT♥A=+0
-1.0Round 4🇪🇬 EGYPT282♥♣3+2+6
-1.0Round 21🇵🇰 PAKISTAN23♦♣A=+1
-1.1Round 4🇪🇬 EGYPT275♣♠K=+14
-1.1Round 12🇮🇹 ITALY241NT♥2=+1
-1.1Round 15🇳🇿 NEW ZEALAND151NT♣2=+1
-1.1Round 19🇫🇷 FRANCE56♠♣Q+1+11
-1.1Round 19🇫🇷 FRANCE133♠♠7=+0
-1.2Round 11🇸🇪 SWEDEN31NT♣3+1+1
-1.2Round 21🇵🇰 PAKISTAN134♠♦5=+0
-1.4Round 6🇭🇰 CHINA HONG KONG303NT♥3=-6
-1.4Round 11🇸🇪 SWEDEN22NT♠7-1+2
-1.4Round 19🇫🇷 FRANCE151NT♥4=+1
-1.5Round 2🇨🇳 CHINA254♠♥Q+2-1
-1.6Round 11🇸🇪 SWEDEN11♥♦3+1+0
-1.6Round 21🇵🇰 PAKISTAN83♠♣Q=-1
-1.7Round 6🇭🇰 CHINA HONG KONG203♥♦K-1+0
-1.7Round 16🇦🇹 AUSTRIA291NT♠2+1-1
-1.7Round 19🇫🇷 FRANCE25♣x♠4-2+0
-1.7Round 19🇫🇷 FRANCE83♠♥J=-1
-1.8Round 9🇨🇦 CANADA23♣♦9=+5
-1.8Round 15🇳🇿 NEW ZEALAND65♦♠K+1-14
-1.8Round 18🇧🇷 BRAZIL234♠♦4+2-13
-1.9Round 2🇨🇳 CHINA232♠♣5+1+0
-1.9Round 11🇸🇪 SWEDEN143♠♣5-1-3
-2.0Round 4🇪🇬 EGYPT323NT♦6=+0
-2.0Round 16🇦🇹 AUSTRIA303NT♣4=+0
-2.0Round 19🇫🇷 FRANCE125♦x♥K-1+0
-2.1Round 2🇨🇳 CHINA275♣♥A-1-10
-2.1Round 7🇮🇳 INDIA31NT♥4-1-2
-2.2Round 9🇨🇦 CANADA83♥♦9+1-6
-2.2Round 12🇮🇹 ITALY204♥♦J=+1
-2.2Round 19🇫🇷 FRANCE101NT♠5=+1
-2.4Round 3🇮🇱 ISRAEL153♦♥2+2-1
-2.5Round 10🇦🇺 AUSTRALIA232NT♥J-3-10
-2.7Round 3🇮🇱 ISRAEL103♣♦6+1+9
-2.7Round 14🇺🇸 USA1314♠x♦Q-1+0
-2.7Round 16🇦🇹 AUSTRIA195♦♣A-2-7
-2.8Round 7🇮🇳 INDIA134♥♣A-1+1
-3.0Round 7🇮🇳 INDIA74♠♥Q-2-8
-3.0Round 18🇧🇷 BRAZIL292NT♣K-1-6
-3.3Round 19🇫🇷 FRANCE74♥♦7-1-12
-3.4Round 2🇨🇳 CHINA213♥♦A=-1
-3.8Round 15🇳🇿 NEW ZEALAND33♦♥7+1+0
-3.9Round 16🇦🇹 AUSTRIA222♥x♠9-1-2
-4.0Round 18🇧🇷 BRAZIL313NT♥10-1-5
-4.1Round 16🇦🇹 AUSTRIA254♠♣2=-7
-4.2Round 11🇸🇪 SWEDEN163♥♣J-1-5
-4.5Round 11🇸🇪 SWEDEN154♥♠6-1-5
-4.6Round 12🇮🇹 ITALY254♥♣5-1-5
-4.6Round 18🇧🇷 BRAZIL322♣♦10-2-3
-4.7Round 14🇺🇸 USA1213NT♥4+2+0
-5.0Round 2🇨🇳 CHINA323♠♥K-1-11
-5.2Round 7🇮🇳 INDIA104♠♣Q=+0
-5.3Round 21🇵🇰 PAKISTAN114♠x♣A=-5
-5.6Round 7🇮🇳 INDIA154♥x♣7-2-5
-6.0Round 12🇮🇹 ITALY183NT♥7=-10
-6.3Round 18🇧🇷 BRAZIL194♠♦K=+0
-6.7Round 3🇮🇱 ISRAEL144♥♠5-1-11
-6.8Round 21🇵🇰 PAKISTAN73NT♠5-2-8
-7.1Round 10🇦🇺 AUSTRALIA227♠♠Q=+0
-7.3Round 14🇺🇸 USA1244♥♣K-1-5
-7.6Round 9🇨🇦 CANADA94♣♠2=-6
-7.9Round 14🇺🇸 USA1263NT♥7+1-11
-8.7Round 11🇸🇪 SWEDEN133NT♥3=+0
-9.0Round 15🇳🇿 NEW ZEALAND95♣♠9+1-11
-9.3Round 16🇦🇹 AUSTRIA202NT♥3-2-8
-10.0Round 3🇮🇱 ISRAEL63NT♠4=+1
-11.3Round 7🇮🇳 INDIA116♥♦8=+0
-11.8Round 6🇭🇰 CHINA HONG KONG314♠♥Q-1-13