🇺🇸 MECKSTROTH Jeff · USA

1rank
+301.3Butler · 240 bds
+1.26per board
±4.5swing
+1.20vs par /bd · #3/137
+1.17adjusted /bd
Butler per round: -22 16.7 26.6 21.1 5.5 28.9 11.9 25 32.8 1.7 15.3 36.1 0.6 21.7 39.7 -3.6 38.6 -13.1 13.3 4.5by round

vs par split: bidding +0.65 · play +0.59

Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +1.17/bd

Card play — on target: opening leads 92.0% #8 of 137 · declarer play 72.7% #83 of 137 · defence 93.7% #4 of 137

Card play by contract type — on target
vs NTvs a suit
Opening leads81.8% (11)94.9% (39)
Declarer play83.3% (18)68.8% (48)
Defence96.0% (25)93.0% (86)

Opening leads by suit led: ♠ 92.3% (13) · ♥ 93.8% (16) · ♦ 91.7% (12) · ♣ 88.9% (9)

vs par by strain: NT +0.53 (60) · a suit +1.48 (177)

vs par by level: part-score +1.56 (85) · game +0.46 (135) · slam +5.76 (17)

By role: declaring +1.05/bd (-1.21 vs par · 128) · defending +1.49/bd (+3.96 vs par · 112)

By vulnerability: vulnerable +1.34/bd (+1.88 vs par · 120) · not vulnerable +1.17/bd (+0.53 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.MahmoodA.Kowalski – J.RomanskiOpen12-22.0-1.83+1.00
Round 2Z.MahmoodP.Assumpcao – S.AranhaOpen12+16.7+1.39+0.00
Round 3Z.MahmoodL.Mendoza Contreras – M.Negrin FernandezOpen12+26.6+2.22+2.50
Round 4Z.MahmoodN.Kokten – M.InceOpen12+21.1+1.76+1.83
Round 5Z.MahmoodR.Marsal – H.KlumppOpen12+5.5+0.46+1.17
Round 6Z.MahmoodS.Morimura – T.ImakuraOpen12+28.9+2.41+0.25
Round 7Z.MahmoodP.Schmidt – P.ToffierOpen12+11.9+0.99-0.08
Round 8Z.MahmoodE.Tse – R.LingOpen12+25.0+2.08+2.75
Round 9Z.MahmoodH.Nielsen – K.BoesgaardOpen12+32.8+2.73+1.17
Round 10Z.MahmoodS.Makram – S.SalibOpen12+1.7+0.14+1.83
Round 11Z.MahmoodA.Schwartz – S.ZeligmanOpen12+15.3+1.28+2.17
Round 12Z.MahmoodJ.Zhou – M.SunOpen12+36.1+3.01+2.58
Round 14Z.MahmoodJ.Shah – A.GoelOpen12+0.6+0.05-0.75
Round 15Z.MahmoodS.Reich – E.PaganiOpen12+21.7+1.81-1.25
Round 16Z.MahmoodP.Marstrander – R.AnderssenOpen12+39.7+3.31+2.50
Round 17Z.MahmoodG.Palmer – L.CartnerOpen12-3.6-0.30+0.33
Round 18Z.MahmoodG.Mittelman – R.LebiOpen12+38.6+3.22+2.50
Round 19Z.MahmoodA.Morath – S.BjerregardOpen12-13.1-1.09-0.67
Round 21Z.MahmoodP.Lavings – R.KrochmalikOpen12+13.3+1.11+2.67
Round 22Z.MahmoodJ.Shih – J.ChiOpen12+4.5+0.38+1.58

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
+14.4Round 18🇨🇦 CANADA197♦x♥A-2+18
+14.3Round 18🇨🇦 CANADA185♦x♥A=+15
+13.4Round 16🇳🇴 NORWAY192♦x♦K-4+14
+13.0Round 2🇧🇷 BRAZIL244♠x♥A=+12
+12.8Round 6🇯🇵 JAPAN135♦x♠6=+12
+12.7Round 16🇳🇴 NORWAY186♠♦4=+0
+12.3Round 12🇨🇳 CHINA226♣♥A-3+14
+11.8Round 6🇯🇵 JAPAN183NT♥5+1+12
+11.7Round 4🇹🇷 TURKEY133♥x♥4-2+8
+11.7Round 18🇨🇦 CANADA176NT♠5=+0
+11.2Round 15🇲🇽 MEXICO43NTx♠2-3+13
+10.6Round 11🇮🇱 ISRAEL66♥♦5-1+11
+10.5Round 8🇭🇰 CHINA HONG KONG206♠x♥Q=+15
+10.3Round 3🇪🇸 SPAIN64♥♣Q=+10
+9.4Round 14🇮🇳 INDIA174♦♥10-2+5
+9.3Round 16🇳🇴 NORWAY162♥x♣A-3+9
+9.1Round 12🇨🇳 CHINA183NTx♠9-3+12
+8.8Round 12🇨🇳 CHINA204♠♣5=+10
+8.7Round 3🇪🇸 SPAIN54♥♦8+2+12
+8.7Round 10🇪🇬 EGYPT214♠x♣6-3+12
+8.2Round 9🇩🇰 DENMARK54♠♦A-1+5
+8.2Round 21🇦🇺 AUSTRALIA45♠x♥K-1+13
+8.1Round 3🇪🇸 SPAIN26♠♦Q=+0
+7.6Round 12🇨🇳 CHINA215♣♥2-2+11
+7.6Round 15🇲🇽 MEXICO83♠♥A-1+2
+7.5Round 3🇪🇸 SPAIN114♠♣J=+7
+6.9Round 11🇮🇱 ISRAEL56♣♣5-1+15
+6.6Round 5🇩🇪 GERMANY12NT♠4+1+7
+6.4Round 8🇭🇰 CHINA HONG KONG234♠♥A+1+0
+6.2Round 2🇧🇷 BRAZIL212♥♠6=+6
+6.2Round 8🇭🇰 CHINA HONG KONG184♥♠8+2+14
+6.0Round 12🇨🇳 CHINA174♠♣3=+0
+5.9Round 1🇵🇱 POLAND23NT♣6=+7
+5.7Round 2🇧🇷 BRAZIL204♠♥K=-13
+5.7Round 6🇯🇵 JAPAN214♠♥7=+0
+5.6Round 11🇮🇱 ISRAEL14♦♠K-2+13
+5.5Round 9🇩🇰 DENMARK124♥♠2-1-1
+5.5Round 16🇳🇴 NORWAY176♣♥J-1+11
+5.3Round 17🇳🇿 NEW ZEALAND26♥♣3+1+11
+5.1Round 16🇳🇴 NORWAY202♦♣J=+11
+5.1Round 18🇨🇦 CANADA222♥♣4-1+6
+5.0Round 14🇮🇳 INDIA137♣x♦J-4+15
+4.7Round 5🇩🇪 GERMANY122♦♠8-1+5
+4.7Round 9🇩🇰 DENMARK92♣♦4-1+10
+4.7Round 22🇹🇼 CHINESE TAIPEI153NT♦8+1+4
+4.6Round 3🇪🇸 SPAIN33♦♣J=+6
+4.5Round 6🇯🇵 JAPAN223♥♥2-1+0
+4.3Round 4🇹🇷 TURKEY203♠♥A-2+8
+4.3Round 9🇩🇰 DENMARK104♥♣6+3+17
+4.3Round 15🇲🇽 MEXICO123NT♥6+2-11
+4.3Round 21🇦🇺 AUSTRALIA125♥♠5-1-3
+4.1Round 7🇫🇷 FRANCE42♠♦4-2+3
+4.0Round 9🇩🇰 DENMARK83NT♥5-4+8
+4.0Round 15🇲🇽 MEXICO32♠♣6=+6
+4.0Round 16🇳🇴 NORWAY134♠♠10+3+3
+3.9Round 21🇦🇺 AUSTRALIA33♣♥Q+1+7
+3.8Round 21🇦🇺 AUSTRALIA81NT♣2-1+5
+3.7Round 8🇭🇰 CHINA HONG KONG164♥♦4-2+8
+3.7Round 17🇳🇿 NEW ZEALAND42NT♠10-1+5
+3.7Round 21🇦🇺 AUSTRALIA23NT♣5+3+13
+3.5Round 8🇭🇰 CHINA HONG KONG133NT♠2-1+6
+3.4Round 4🇹🇷 TURKEY153NT♣5+2+0
+3.4Round 9🇩🇰 DENMARK63NT♦4+3+1
+3.3Round 6🇯🇵 JAPAN194♥♦J+1+0
+3.0Round 9🇩🇰 DENMARK13♦♣10+1+1
+2.9Round 19🇸🇪 SWEDEN83♥♠4=+6
+2.8Round 17🇳🇿 NEW ZEALAND16♠♣A+1-11
+2.7Round 4🇹🇷 TURKEY164♠♥3=+0
+2.7Round 8🇭🇰 CHINA HONG KONG172♥♣10-2+7
+2.6Round 22🇹🇼 CHINESE TAIPEI244♠♠5=+0
+2.5Round 22🇹🇼 CHINESE TAIPEI162♠♣J-1+6
+2.4Round 5🇩🇪 GERMANY93NT♦5-1+5
+2.4Round 8🇭🇰 CHINA HONG KONG152♦♦J+1+0
+2.3Round 6🇯🇵 JAPAN205♣♠K+1+13
+2.3Round 11🇮🇱 ISRAEL103NT♦5=-1
+2.2Round 22🇹🇼 CHINESE TAIPEI184♥♠3+1+11
+2.1Round 10🇪🇬 EGYPT134♠x♥Q-2+14
+2.0Round 5🇩🇪 GERMANY83♦♥K-2+0
+2.0Round 18🇨🇦 CANADA134♠♠4+1+0
+1.9Round 12🇨🇳 CHINA151NT♠5+2+6
+1.7Round 10🇪🇬 EGYPT233♥♦10-1+5
+1.7Round 11🇮🇱 ISRAEL124♥♦A=+0
+1.7Round 17🇳🇿 NEW ZEALAND55♦♥6=+11
+1.6Round 6🇯🇵 JAPAN173NT♥2+1+0
+1.6Round 7🇫🇷 FRANCE113NT♠6-1+8
+1.5Round 7🇫🇷 FRANCE52♠♥A-1+5
+1.4Round 4🇹🇷 TURKEY174♥♣K+2+11
+1.4Round 7🇫🇷 FRANCE74♠♦A=-1
+1.4Round 21🇦🇺 AUSTRALIA103♥♥J=+0
+1.4Round 22🇹🇼 CHINESE TAIPEI223NT♠4+2+1
+1.3Round 7🇫🇷 FRANCE64♥♣2=-1
+1.3Round 14🇮🇳 INDIA233♠♥K-1-1
+1.3Round 19🇸🇪 SWEDEN52♥♣5+1+0
+1.2Round 3🇪🇸 SPAIN13♣♣2-2-1
+1.2Round 7🇫🇷 FRANCE126♣♦J+1-11
+1.1Round 1🇵🇱 POLAND61NT♦4=-2
+1.1Round 5🇩🇪 GERMANY111NT♠Q+1+1
+1.1Round 10🇪🇬 EGYPT223NT♥10+3+12
+1.1Round 18🇨🇦 CANADA153♦♠Q-1+8
+1.1Round 18🇨🇦 CANADA214♠♥A+1+0
+1.0Round 2🇧🇷 BRAZIL223NT♦5-1+5
+1.0Round 3🇪🇸 SPAIN83NT♥2+2+1
+1.0Round 4🇹🇷 TURKEY244♣♠9-1+2
+1.0Round 7🇫🇷 FRANCE84♠♥2+1+0
+1.0Round 8🇭🇰 CHINA HONG KONG221♠♥Q+2+0
+1.0Round 14🇮🇳 INDIA163NT♣6+1+7
+1.0Round 15🇲🇽 MEXICO62♥♠K-1+1
+1.0Round 22🇹🇼 CHINESE TAIPEI233♦♦K+1+0
+0.9Round 2🇧🇷 BRAZIL194♥♣4=+0
+0.9Round 12🇨🇳 CHINA143NT♥6+1+1
+0.8Round 1🇵🇱 POLAND93NT♠4+2+0
+0.8Round 10🇪🇬 EGYPT244♥♦10-1-2
+0.8Round 12🇨🇳 CHINA243♦♠K+2-6
+0.8Round 14🇮🇳 INDIA213NT♠10+1-12
+0.7Round 5🇩🇪 GERMANY24♠♥6+1+0
+0.7Round 9🇩🇰 DENMARK23♦♦4-1-1
+0.7Round 9🇩🇰 DENMARK44♠♥Q+1+0
+0.7Round 15🇲🇽 MEXICO12♦♣5+1+0
+0.7Round 15🇲🇽 MEXICO93♣♥A-2-9
+0.7Round 16🇳🇴 NORWAY243♦♥K+2-6
+0.7Round 21🇦🇺 AUSTRALIA54♠♥6=+1
+0.6Round 5🇩🇪 GERMANY73♠♥K=+8
+0.6Round 9🇩🇰 DENMARK31NT♠6+3-8
+0.6Round 21🇦🇺 AUSTRALIA74♥♠3+1+0
+0.6Round 21🇦🇺 AUSTRALIA95♥♠7=+11
+0.5Round 2🇧🇷 BRAZIL17Pass+3
+0.5Round 2🇧🇷 BRAZIL183NT♥3=+2
+0.5Round 7🇫🇷 FRANCE102♦♣4+1-10
+0.5Round 10🇪🇬 EGYPT204♠♣K+1+0
+0.5Round 15🇲🇽 MEXICO104♠♦2+1+0
+0.5Round 16🇳🇴 NORWAY222♥♠10-1+0
+0.4Round 7🇫🇷 FRANCE14♠♥3=+1
+0.4Round 8🇭🇰 CHINA HONG KONG194♥♠J+1-11
+0.4Round 12🇨🇳 CHINA16Pass-3
+0.4Round 14🇮🇳 INDIA192♦♣6+1+1
+0.4Round 19🇸🇪 SWEDEN64♥♠K-1+5
+0.3Round 1🇵🇱 POLAND114♠x♥A-2+4
+0.3Round 19🇸🇪 SWEDEN14♥♦K=-1
+0.2Round 1🇵🇱 POLAND71NT♠10=+2
+0.2Round 14🇮🇳 INDIA223♣♦Q-1+2
+0.1Round 2🇧🇷 BRAZIL143NT♦3+1+1
+0.1Round 4🇹🇷 TURKEY183NT♣4+1+1
+0.1Round 6🇯🇵 JAPAN243NT♦7+2+0
+0.0Round 21🇦🇺 AUSTRALIA64♠♥5+1+0
+0.0Round 22🇹🇼 CHINESE TAIPEI143NT♦10+2+0
-0.1Round 2🇧🇷 BRAZIL153NT♠9+1+0
-0.1Round 17🇳🇿 NEW ZEALAND72♣♠10+1+0
-0.1Round 17🇳🇿 NEW ZEALAND125♠♣A=+0
-0.2Round 4🇹🇷 TURKEY211NT♣A=+0
-0.2Round 17🇳🇿 NEW ZEALAND63♦♥3-2+9
-0.2Round 19🇸🇪 SWEDEN42♠♦6=-1
-0.2Round 21🇦🇺 AUSTRALIA114♠♦K=-3
-0.3Round 3🇪🇸 SPAIN74♣♠2-1+6
-0.3Round 5🇩🇪 GERMANY44♥♣6+1+0
-0.3Round 7🇫🇷 FRANCE22NT♠8=+0
-0.3Round 7🇫🇷 FRANCE34♠♦J-1+5
-0.3Round 11🇮🇱 ISRAEL114♥♠K=-1
-0.3Round 16🇳🇴 NORWAY151NT♣K+1+7
-0.4Round 12🇨🇳 CHINA231NT♥10+1+1
-0.4Round 17🇳🇿 NEW ZEALAND95♣x♠K-2+0
-0.4Round 22🇹🇼 CHINESE TAIPEI193♠♠3+1+10
-0.5Round 2🇧🇷 BRAZIL234♥♦7+1+0
-0.5Round 4🇹🇷 TURKEY142NT♠2=+5
-0.5Round 7🇫🇷 FRANCE93♠♥J=+0
-0.5Round 11🇮🇱 ISRAEL23♠♣2+2-2
-0.5Round 11🇮🇱 ISRAEL42♠♠2+2-10
-0.5Round 15🇲🇽 MEXICO114NT♦6+1-11
-0.6Round 4🇹🇷 TURKEY194♥♣J+1-8
-0.6Round 10🇪🇬 EGYPT151♠♣2+2+0
-0.6Round 11🇮🇱 ISRAEL74♠♦5+1+13
-0.6Round 14🇮🇳 INDIA243NT♣4+2+0
-0.9Round 5🇩🇪 GERMANY64♠♦6=+0
-1.0Round 4🇹🇷 TURKEY234♥♣7+1+0
-1.0Round 6🇯🇵 JAPAN153NT♥7=-1
-1.0Round 9🇩🇰 DENMARK112♥♣K-1-1
-1.0Round 16🇳🇴 NORWAY232♥♣9=-11
-1.0Round 18🇨🇦 CANADA204♠♣J+1+13
-1.0Round 19🇸🇪 SWEDEN103NT♥2-1-6
-1.0Round 22🇹🇼 CHINESE TAIPEI133♦♥K=+0
-1.1Round 10🇪🇬 EGYPT192♣♠2=+0
-1.1Round 11🇮🇱 ISRAEL83NT♣2-1-5
-1.2Round 4🇹🇷 TURKEY223♥♦5-1-5
-1.2Round 10🇪🇬 EGYPT172♥♠K=-7
-1.2Round 11🇮🇱 ISRAEL94♠♦A=-1
-1.3Round 9🇩🇰 DENMARK75♣♠8+1-17
-1.3Round 15🇲🇽 MEXICO74♥♠K+1+0
-1.3Round 22🇹🇼 CHINESE TAIPEI214♠♦10-1-5
-1.4Round 18🇨🇦 CANADA244♥♠K-2-8
-1.5Round 22🇹🇼 CHINESE TAIPEI173NT♠10+1+0
-1.6Round 1🇵🇱 POLAND53NT♣8+3-11
-1.6Round 10🇪🇬 EGYPT183♥♣2=+0
-1.6Round 17🇳🇿 NEW ZEALAND32♠♦8=+0
-1.8Round 18🇨🇦 CANADA165♣♦A+1-9
-1.8Round 19🇸🇪 SWEDEN94♠♣K=+0
-1.9Round 2🇧🇷 BRAZIL164♥♣Q-1-10
-1.9Round 3🇪🇸 SPAIN102♥♦10+1+0
-2.1Round 1🇵🇱 POLAND86♣♠K+1+10
-2.1Round 10🇪🇬 EGYPT144♥♠8-3-1
-2.1Round 18🇨🇦 CANADA233♣♥J+1+0
-2.4Round 17🇳🇿 NEW ZEALAND85♦♥3-1-5
-2.5Round 1🇵🇱 POLAND34♠♣J+1+10
-2.5Round 5🇩🇪 GERMANY10Pass-4
-2.6Round 19🇸🇪 SWEDEN122♠♣A+2-6
-2.7Round 15🇲🇽 MEXICO23NT♣5=+0
-2.7Round 19🇸🇪 SWEDEN35♦x♥K-1+0
-2.7Round 19🇸🇪 SWEDEN114♦♣8-3+0
-2.8Round 17🇳🇿 NEW ZEALAND112NT♠4=-6
-3.1Round 12🇨🇳 CHINA133♦♣9-1-5
-3.2Round 3🇪🇸 SPAIN91NT♦5=+0
-3.2Round 5🇩🇪 GERMANY54♦♥J=+0
-3.2Round 6🇯🇵 JAPAN233NT♦10+4-16
-3.2Round 8🇭🇰 CHINA HONG KONG244♠♥5=+0
-3.3Round 19🇸🇪 SWEDEN23NT♠5-1-5
-3.4Round 8🇭🇰 CHINA HONG KONG143NT♦10-3-6
-3.4Round 14🇮🇳 INDIA184♥♠4-2-7
-3.7Round 19🇸🇪 SWEDEN72♥♠A-1+0
-3.8Round 15🇲🇽 MEXICO54♥♦J-2-6
-3.9Round 16🇳🇴 NORWAY141NT♠A-2+1
-4.2Round 1🇵🇱 POLAND125♣x♦A-2-5
-4.2Round 14🇮🇳 INDIA144♠x♥K-2-9
-4.3Round 1🇵🇱 POLAND46♠♦K=+0
-4.3Round 6🇯🇵 JAPAN163NT♦6-3-6
-4.4Round 3🇪🇸 SPAIN44♠♣A-1-6
-4.6Round 14🇮🇳 INDIA155♦♣2-2-2
-4.7Round 6🇯🇵 JAPAN144♠♥6+2-11
-4.7Round 14🇮🇳 INDIA205♥x♠K=-8
-4.8Round 18🇨🇦 CANADA143NT♠K-1-13
-5.0Round 3🇪🇸 SPAIN123♦♠J-1-5
-5.2Round 8🇭🇰 CHINA HONG KONG214♥♠K+1+0
-5.3Round 1🇵🇱 POLAND16♣♠6+1+11
-5.7Round 5🇩🇪 GERMANY34NT♠6-2-8
-5.7Round 22🇹🇼 CHINESE TAIPEI204♥♠K-2-8
-6.3Round 16🇳🇴 NORWAY215♥♦Q+1-9
-6.6Round 10🇪🇬 EGYPT166♠♦K-1-11
-7.6Round 11🇮🇱 ISRAEL34♥♣3=-6
-8.2Round 12🇨🇳 CHINA194♠♦A-1-10
-8.7Round 2🇧🇷 BRAZIL134♥♣A-1-6
-9.5Round 17🇳🇿 NEW ZEALAND104♠♣J=-10
-10.3Round 1🇵🇱 POLAND105♠x♥K-4-14
-13.7Round 21🇦🇺 AUSTRALIA14♠x♣K=-12