🇺🇸 COHEN Larry N. · USA1

9rank
+144.2Butler · 238 bds
+0.61per board
±4.3swing
+0.87vs par /bd · #11/138
+0.52adjusted /bd
Butler per round: 22.3 -3.8 11.7 -3.2 -10.1 -7.2 6.4 7.9 24.9 3.8 37.1 7.9 7.1 22.1 0.3 15.4 1.6by round

vs par split: bidding +0.31 · play +0.56

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted +0.52/bd

Card play — on target: opening leads 86.8% #10 of 138 · declarer play 76.6% #45 of 138 · defence 90.5% #19 of 138

Bidding activity — not a pass: 43.5% #54 of 138 (287/660)

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (15)88.7% (53)
Declarer play68.2% (22)81.0% (42)
Defence86.2% (29)91.8% (97)

Opening leads by suit led: ♠ 60.0% (10) · ♥ 87.5% (16) · ♦ 91.3% (23) · ♣ 94.7% (19)

vs par by strain: NT +0.65 (60) · a suit +0.95 (178)

vs par by level: part-score +1.35 (97) · game +0.46 (122) · slam +1.10 (19)

By role: declaring +0.53/bd (-1.64 vs par · 112) · defending +0.67/bd (+3.11 vs par · 126)

By vulnerability: vulnerable +1.08/bd (+1.88 vs par · 119) · not vulnerable +0.13/bd (-0.13 vs par · 119)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.BerkowitzC.Kuo – C.WuClosed14+22.3+1.59+2.64
Round 2D.BerkowitzB.Levin – E.RodwellClosed14-3.8-0.27+3.21
Round 4D.BerkowitzG.Tislevoll – M.CornellClosed14+11.7+0.84+0.14
Round 5D.BerkowitzD.Mossop – G.HallbergOpen14-3.2-0.23-2.43
Round 7D.BerkowitzM.Gustawsson – J.SylvanClosed14-10.1-0.72-1.79
Round 8D.BerkowitzM.Van Der Vlugt – D.BeauchampClosed14-7.2-0.51+0.79
Round 9D.BerkowitzP.Balakrishnan – K.RamaratnamOpen14+6.4+0.46+2.43
Round 11D.BerkowitzM.Bompis – P.SouletClosed14+7.9+0.56+2.79
Round 12D.BerkowitzJ.Verhees – J.KolenClosed14+24.9+1.78+1.71
Round 13D.BerkowitzD.Jacob – P.KlimowiczOpen14+3.8+0.27-1.93
Round 15D.BerkowitzJ.Weng – S.ZhouClosed14+37.1+2.65+1.93
Round 16D.BerkowitzD.Schaltz – P.SchaltzClosed14+7.9+0.56+3.07
Round 17D.BerkowitzR.Marsal – H.KlumppOpen14+7.1+0.51+1.50
Round 19D.BerkowitzP.Sibony – J.HayetClosed14+22.1+1.58+1.93
Round 20D.BerkowitzS.Wan – R.LingClosed14+0.3+0.02-2.21
Round 21D.BerkowitzK.Yamada – T.ImakuraOpen14+15.4+1.10+2.86
Round 23D.BerkowitzS.Ahmed – D.HanzalaClosed14+1.6+0.11-1.79

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
+12.6Round 23🇧🇩 BANGLADESH126♠x♣3=-7
+11.9Round 19🇲🇦 MOROCCO136♠♥3-1+13
+11.6Round 11🇫🇷 FRANCE72♦x♣6-3+12
+11.1Round 1🇹🇼 CHINESE TAIPEI133NT♦8=+12
+10.5Round 12🇳🇱 NETHERLANDS284♥♦A=+13
+10.4Round 9🇮🇳 INDIA76♣♦4-2+13
+10.3Round 15🇨🇳 CHINA55♠x♥Q-5+10
+9.8Round 1🇹🇼 CHINESE TAIPEI116♦♥A-1+10
+9.8Round 13🇨🇦 CANADA95♦♠K=+0
+9.7Round 8🇦🇺 AUSTRALIA193♣♥2-3+11
+9.6Round 7🇸🇪 SWEDEN63NT♠2=+10
+9.5Round 1🇹🇼 CHINESE TAIPEI73NT♥7-2+13
+9.3Round 16🇩🇰 DENMARK254♣x♠K-4+5
+9.3Round 17🇩🇪 GERMANY23♣♦2-2+11
+9.0Round 9🇮🇳 INDIA26♠x♥Q-2+5
+8.6Round 11🇫🇷 FRANCE116NT♥8-1+14
+8.4Round 15🇨🇳 CHINA14♥♠4-1+11
+8.1Round 19🇲🇦 MOROCCO64♠♦K+1+8
+8.0Round 12🇳🇱 NETHERLANDS162♠♦5+3+10
+7.3Round 20🇭🇰 HONG KONG CHINA203NT♦7-1+13
+6.9Round 4🇳🇿 NEW ZEALAND255♣x♠A-3+0
+6.2Round 15🇨🇳 CHINA24♠♣J=+3
+6.0Round 15🇨🇳 CHINA65♦x♣Q-2+12
+5.8Round 12🇳🇱 NETHERLANDS246♥♣Q+1+11
+5.7Round 11🇫🇷 FRANCE134♦♥3-1+6
+5.2Round 21🇯🇵 JAPAN45♣♦A-1+12
+5.0Round 12🇳🇱 NETHERLANDS272♥♥7+4+13
+5.0Round 13🇨🇦 CANADA12NT♠J+1+1
+5.0Round 16🇩🇰 DENMARK284♠♥A-2+9
+5.0Round 23🇧🇩 BANGLADESH142♠♦9=+11
+4.7Round 2🇺🇸 USA2246♣♠K=+3
+4.5Round 13🇨🇦 CANADA135♣♦K-1+15
+4.3Round 15🇨🇳 CHINA41NT♦A=+5
+4.3Round 15🇨🇳 CHINA132♥♦Q+1+0
+4.3Round 16🇩🇰 DENMARK174♥♣K=+0
+4.3Round 17🇩🇪 GERMANY32NT♠5+1+6
+4.3Round 19🇲🇦 MOROCCO113♥♦A-1+5
+4.2Round 17🇩🇪 GERMANY131NT♥5-1+5
+4.1Round 4🇳🇿 NEW ZEALAND284♠♥Q-1+6
+4.0Round 12🇳🇱 NETHERLANDS263♠♣Q-1+5
+4.0Round 21🇯🇵 JAPAN53♥♦9-1+5
+3.9Round 9🇮🇳 INDIA94♥♦K-1+5
+3.9Round 15🇨🇳 CHINA93♥♦9-1+6
+3.7Round 7🇸🇪 SWEDEN81NT♠T=+5
+3.7Round 16🇩🇰 DENMARK263NT♠4=+10
+3.6Round 8🇦🇺 AUSTRALIA214♠♦7+2+1
+3.6Round 17🇩🇪 GERMANY144♠♦8-1+5
+3.5Round 15🇨🇳 CHINA32♥♣A=+6
+3.4Round 1🇹🇼 CHINESE TAIPEI83NT♥2+2+1
+3.4Round 16🇩🇰 DENMARK163♣♦Q-1+5
+3.4Round 21🇯🇵 JAPAN21NT♣4-5-9
+3.3Round 21🇯🇵 JAPAN83♥♥J-1+5
+3.2Round 23🇧🇩 BANGLADESH132♣x♣3-1+2
+3.1Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND92♠♥6+2+6
+3.0Round 4🇳🇿 NEW ZEALAND274♣♦A-3-4
+3.0Round 17🇩🇪 GERMANY42♥♣2-2+3
+3.0Round 19🇲🇦 MOROCCO83♥♠9=+7
+2.9Round 17🇩🇪 GERMANY102♥♣6+1+1
+2.8Round 16🇩🇰 DENMARK153♣♠4+1+0
+2.8Round 20🇭🇰 HONG KONG CHINA245♦x♣5-2+3
+2.5Round 12🇳🇱 NETHERLANDS213♥♠6=+0
+2.4Round 2🇺🇸 USA2202NT♣J+1+10
+2.4Round 21🇯🇵 JAPAN104♠♥K-1+12
+2.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND42♣♥A=+5
+2.3Round 11🇫🇷 FRANCE103♣♣6+3+15
+2.3Round 17🇩🇪 GERMANY52♦♣T=-2
+2.2Round 1🇹🇼 CHINESE TAIPEI63♥♣7-2+8
+2.0Round 1🇹🇼 CHINESE TAIPEI104♥♥3=+0
+2.0Round 11🇫🇷 FRANCE23♠♣A-2+1
+1.9Round 4🇳🇿 NEW ZEALAND154♥♦Q=+11
+1.9Round 4🇳🇿 NEW ZEALAND222♠♦T-2+0
+1.9Round 17🇩🇪 GERMANY113♥♠3-1+5
+1.8Round 4🇳🇿 NEW ZEALAND184♥♣A+2-11
+1.8Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND131NT♥T+2+1
+1.7Round 2🇺🇸 USA2153NT♠9+4+12
+1.7Round 2🇺🇸 USA2252NT♥A=+0
+1.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♥T+1+1
+1.7Round 15🇨🇳 CHINA83♣♦6=-1
+1.7Round 19🇲🇦 MOROCCO53♥♠2=+1
+1.7Round 19🇲🇦 MOROCCO123NT♠4+1+10
+1.7Round 21🇯🇵 JAPAN14♥♠K-1+4
+1.7Round 21🇯🇵 JAPAN121♠♣K=-2
+1.6Round 9🇮🇳 INDIA84♣♥Q-2+0
+1.6Round 20🇭🇰 HONG KONG CHINA161NT♠6=-1
+1.6Round 23🇧🇩 BANGLADESH104♠♥A-2+7
+1.5Round 1🇹🇼 CHINESE TAIPEI143NT♣3+2+1
+1.5Round 19🇲🇦 MOROCCO104♠♥K+2-17
+1.4Round 13🇨🇦 CANADA73NT♦6+2+0
+1.3Round 8🇦🇺 AUSTRALIA172♠♣A+2+2
+1.3Round 9🇮🇳 INDIA41♠♣4-1+0
+1.2Round 4🇳🇿 NEW ZEALAND173NT♥7=+2
+1.2Round 12🇳🇱 NETHERLANDS224♠♣A+1+0
+1.2Round 13🇨🇦 CANADA33NT♣2+1-1
+1.2Round 19🇲🇦 MOROCCO23NT♠T+2+1
+1.2Round 20🇭🇰 HONG KONG CHINA223NT♣6+2+0
+1.1Round 8🇦🇺 AUSTRALIA154♠♣A=+8
+1.1Round 13🇨🇦 CANADA44♥♣T+1+0
+1.1Round 16🇩🇰 DENMARK243NT♠6-1+5
+1.0Round 2🇺🇸 USA2273NT♦4=+2
+1.0Round 7🇸🇪 SWEDEN11NT♦K-2+0
+1.0Round 23🇧🇩 BANGLADESH13NT♠3+3-10
+1.0Round 23🇧🇩 BANGLADESH72♦♠9-1+0
+0.9Round 2🇺🇸 USA2214♠♥J-1+10
+0.9Round 2🇺🇸 USA2231NT♣2+1+0
+0.9Round 4🇳🇿 NEW ZEALAND234♠♦4=+13
+0.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♠6=+0
+0.9Round 17🇩🇪 GERMANY71NT♣5+1+0
+0.9Round 21🇯🇵 JAPAN142♥♥7+1+7
+0.8Round 11🇫🇷 FRANCE64♥♠7-1+5
+0.8Round 12🇳🇱 NETHERLANDS253NT♣4+2+0
+0.8Round 13🇨🇦 CANADA23NT♦3+1+0
+0.8Round 17🇩🇪 GERMANY14♥♣J=+0
+0.6Round 2🇺🇸 USA2162NT♠T-2+5
+0.6Round 12🇳🇱 NETHERLANDS174♠♥Q+1+0
+0.6Round 20🇭🇰 HONG KONG CHINA264♠♣5+1+0
+0.5Round 21🇯🇵 JAPAN115♠♥T+1+1
+0.5Round 21🇯🇵 JAPAN134♠♥Q+1+0
+0.4Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND146♥♦9+1-11
+0.4Round 11🇫🇷 FRANCE34♠♣Q-1+10
+0.3Round 8🇦🇺 AUSTRALIA272♦♦8+2+7
+0.3Round 20🇭🇰 HONG KONG CHINA233NT♥3+2+0
+0.3Round 21🇯🇵 JAPAN64♣♠A-2+9
+0.3Round 23🇧🇩 BANGLADESH33NT♥7+1+0
+0.2Round 23🇧🇩 BANGLADESH44♥♥9+1+0
+0.1Round 8🇦🇺 AUSTRALIA252♠♣T-2+1
+0.1Round 13🇨🇦 CANADA84♥♠Q+1+1
+0.1Round 15🇨🇳 CHINA105♠♦5=+0
-0.0Round 1🇹🇼 CHINESE TAIPEI55♠♦A=+0
-0.0Round 2🇺🇸 USA2193NT♦9+3+11
+0.0Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♥♣J=-1
-0.0Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♠♠A=+0
-0.0Round 9🇮🇳 INDIA64♠♦Q=+0
-0.0Round 12🇳🇱 NETHERLANDS204♠♥A+1-13
-0.0Round 23🇧🇩 BANGLADESH84♥♦Q+1+0
-0.1Round 7🇸🇪 SWEDEN33NT♣6+2+0
-0.1Round 8🇦🇺 AUSTRALIA282♠♣A=+0
-0.2Round 4🇳🇿 NEW ZEALAND163NT♥7=+0
-0.2Round 9🇮🇳 INDIA124♠♣J=+0
-0.2Round 13🇨🇦 CANADA63♥♠Q=+0
-0.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♣3+4-10
-0.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♦♠8=-1
-0.3Round 7🇸🇪 SWEDEN132♠♦2+2+8
-0.3Round 8🇦🇺 AUSTRALIA223NT♠J=-1
-0.3Round 19🇲🇦 MOROCCO33♣♠T-3-10
-0.4Round 2🇺🇸 USA2223NT♥7+2+11
-0.4Round 7🇸🇪 SWEDEN113♠♥K-1-4
-0.4Round 8🇦🇺 AUSTRALIA183♥♠A-1+1
-0.4Round 20🇭🇰 HONG KONG CHINA215♦♣J+1-13
-0.5Round 1🇹🇼 CHINESE TAIPEI35♦♥Q+1+10
-0.5Round 16🇩🇰 DENMARK234♥♣K+1+13
-0.5Round 20🇭🇰 HONG KONG CHINA282♠♣A-1-2
-0.6Round 2🇺🇸 USA2176NT♥9-1-14
-0.6Round 9🇮🇳 INDIA54♥♠3+2+11
-0.7Round 8🇦🇺 AUSTRALIA234♠♣6+1+0
-0.7Round 12🇳🇱 NETHERLANDS194♠♥K=-3
-0.8Round 4🇳🇿 NEW ZEALAND243♠♣4=+0
-0.8Round 20🇭🇰 HONG KONG CHINA273♠♦Q=-7
-0.9Round 12🇳🇱 NETHERLANDS153NT♥8-1-2
-0.9Round 23🇧🇩 BANGLADESH24♠x♥T-1+0
-1.0Round 2🇺🇸 USA2263NT♦7+1+0
-1.0Round 4🇳🇿 NEW ZEALAND193♦♠J=-6
-1.0Round 15🇨🇳 CHINA126♠♦K=+0
-1.0Round 19🇲🇦 MOROCCO44♦♣9=+15
-1.1Round 1🇹🇼 CHINESE TAIPEI12♥♣K+1-1
-1.1Round 7🇸🇪 SWEDEN71NT♠2+1+0
-1.1Round 15🇨🇳 CHINA73♥♠5=-10
-1.2Round 4🇳🇿 NEW ZEALAND203♠♠A-1+0
-1.2Round 9🇮🇳 INDIA143♦♣4+2+7
-1.2Round 13🇨🇦 CANADA124♥♦6=-3
-1.2Round 23🇧🇩 BANGLADESH94♠♦5=+1
-1.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND71NT♥2+1+0
-1.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♠♥A-2-7
-1.3Round 9🇮🇳 INDIA106♦♦6-2+0
-1.3Round 9🇮🇳 INDIA115♣♦7=+2
-1.3Round 11🇫🇷 FRANCE82♦♣2+1+1
-1.3Round 19🇲🇦 MOROCCO73♦♣K+2+10
-1.4Round 1🇹🇼 CHINESE TAIPEI43♦♦T+1+0
-1.4Round 23🇧🇩 BANGLADESH61NT♣3=-5
-1.6Round 11🇫🇷 FRANCE92♠♦J=+0
-1.6Round 21🇯🇵 JAPAN34♣♥A-2+1
-1.8Round 4🇳🇿 NEW ZEALAND212♥♦A+1+0
-1.8Round 9🇮🇳 INDIA134♥♠8+1+0
-1.8Round 17🇩🇪 GERMANY123♦♠T=+0
-1.8Round 20🇭🇰 HONG KONG CHINA193♥♠K=+0
-1.9Round 1🇹🇼 CHINESE TAIPEI124♠♦T=+0
-1.9Round 20🇭🇰 HONG KONG CHINA254♠♠6+1-11
-2.0Round 7🇸🇪 SWEDEN103NT♣4=+0
-2.0Round 12🇳🇱 NETHERLANDS185♦♠A=+0
-2.1Round 19🇲🇦 MOROCCO14♥♠3=+0
-2.1Round 20🇭🇰 HONG KONG CHINA153♠♥A-2-2
-2.2Round 20🇭🇰 HONG KONG CHINA175♣♥J=-11
-2.3Round 11🇫🇷 FRANCE43NT♠7+1-4
-2.3Round 13🇨🇦 CANADA144NT♠6+2-14
-2.4Round 7🇸🇪 SWEDEN53NT♠5+1-1
-2.5Round 16🇩🇰 DENMARK204♥♦Q+2+13
-2.6Round 16🇩🇰 DENMARK274♠♦8+1-11
-2.6Round 19🇲🇦 MOROCCO144♠♥A-1-4
-2.7Round 21🇯🇵 JAPAN74♥♠6+2-5
-2.8Round 16🇩🇰 DENMARK213♦♠K=-6
-2.8Round 16🇩🇰 DENMARK225♦x♣K=-4
-3.0Round 7🇸🇪 SWEDEN92♠♥5-1-10
-3.2Round 8🇦🇺 AUSTRALIA243♥♦K=-1
-3.2Round 11🇫🇷 FRANCE143♠♦K-3-4
-3.2Round 13🇨🇦 CANADA113♦♣A+3-13
-3.3Round 11🇫🇷 FRANCE13NT♣7-2-11
-3.4Round 7🇸🇪 SWEDEN24♥♦3+2-14
-3.4Round 7🇸🇪 SWEDEN44♠♣A+2-13
-3.4Round 7🇸🇪 SWEDEN123♥♣K-1+2
-3.5Round 2🇺🇸 USA2281NT♦6-2-5
-3.7Round 16🇩🇰 DENMARK183NT♠2-3-7
-3.8Round 20🇭🇰 HONG KONG CHINA184♥x♦A-1+0
-3.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND16♠♦5-4-3
-3.9Round 8🇦🇺 AUSTRALIA202NT♠3-3-9
-4.0Round 19🇲🇦 MOROCCO94♠♣6-1-12
-4.1Round 17🇩🇪 GERMANY83NT♦Q-3-6
-4.2Round 21🇯🇵 JAPAN96♥♦Q=+0
-4.3Round 11🇫🇷 FRANCE53NT♠3-2-6
-4.3Round 15🇨🇳 CHINA115♣♥6-1-8
-4.9Round 7🇸🇪 SWEDEN144♥♦5=-8
-5.0Round 4🇳🇿 NEW ZEALAND264♥♦A=-9
-5.2Round 13🇨🇦 CANADA104♥♥5=-3
-5.2Round 15🇨🇳 CHINA144♣♠7-3-7
-6.0Round 1🇹🇼 CHINESE TAIPEI93♥♦K+3-13
-6.1Round 8🇦🇺 AUSTRALIA264♥♣7-2-8
-6.3Round 1🇹🇼 CHINESE TAIPEI25♦x♦3=-4
-6.3Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♥♠K+3-14
-6.6Round 9🇮🇳 INDIA16♣♣3-4-12
-6.8Round 9🇮🇳 INDIA31♠x♠3-3+3
-6.8Round 16🇩🇰 DENMARK196♠♦T=+11
-7.5Round 11🇫🇷 FRANCE124♠♥7=+0
-8.0Round 13🇨🇦 CANADA54NT♣Q+3-10
-8.6Round 8🇦🇺 AUSTRALIA163NT♦A+1-1
-8.8Round 23🇧🇩 BANGLADESH54♥x♠T=-10
-9.0Round 17🇩🇪 GERMANY96♦♠5=+2
-9.9Round 12🇳🇱 NETHERLANDS234♥♦T=-10
-11.0Round 23🇧🇩 BANGLADESH117♥x♣3-1-14
-11.2Round 17🇩🇪 GERMANY63♠x♦3-3-9
-12.2Round 2🇺🇸 USA2186♥♦A=+0