🇺🇸 ROSENBERG Michael · USA 2

36rank
+56.7Butler · 240 bds
+0.24per board
±4.3swing
-0.18vs par /bd · #89/135
+0.19adjusted /bd
Butler per round: 9.2 -2.8 -38.2 -7.6 21.5 16 16.9 7.7 5.4 -16.3 14.2 -13.5 9 24.9 10.3by round

vs par split: bidding -0.38 · play +0.14

Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted +0.19/bd

Card play — on target: opening leads 76.9% #73 of 135 · declarer play 68.0% #109 of 135 · defence 89.2% #33 of 135

Card play by contract type — on target
vs NTvs a suit
Opening leads64.3% (14)81.6% (38)
Declarer play57.1% (21)72.2% (54)
Defence89.7% (29)89.0% (73)

Opening leads by suit led: ♠ 87.5% (8) · ♥ 78.9% (19) · ♦ 62.5% (8) · ♣ 76.5% (17)

vs par by strain: NT +0.32 (68) · a suit -0.46 (171)

vs par by level: part-score +0.19 (91) · game -0.54 (134) · slam -0.07 (14)

By role: declaring +0.17/bd (-2.24 vs par · 137) · defending +0.33/bd (+2.55 vs par · 103)

By vulnerability: vulnerable +0.01/bd (-0.51 vs par · 120) · not vulnerable +0.46/bd (+0.14 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.LairH.Vergoed – A.MulderOpen16+9.2+0.57-1.81
Round 3M.LairC.Yeh – J.ShihOpen16-2.8-0.17+0.31
Round 4M.LairA.Levy – M.AbecassisClosed16-38.2-2.39-0.88
Round 6M.LairM.Sun – J.TaoOpen16-7.6-0.47-1.25
Round 7M.LairG.Mittelman – K.BercusonOpen16+21.5+1.34-0.88
Round 9M.LairP.Boyd – S.RobinsonClosed16+16.0+1.00+0.56
Round 11M.LairA.Braithwaite – A.De LiveraOpen16+16.9+1.06+0.56
Round 12M.LairA.Comella – S.SabbatiniOpen16+7.7+0.48+0.88
Round 14M.LairA.Nurhalim – B.PoliiOpen16+5.4+0.34+2.19
Round 15M.LairH.Nielsen – K.BoesgaardOpen16-16.3-1.02-1.00
Round 17M.LairD.Kendrick – T.WardClosed16+14.2+0.89+0.69
Round 18M.LairL.Stabell – T.StabellOpen16-13.5-0.84-1.06
Round 19M.LairD.Poddar – J.SolaniClosed16+9.0+0.56-0.69
Round 20M.LairB.Palmer – N.StuckeyOpen16+24.9+1.56-0.88
Round 23M.LairM.Nilsland – B.FalleniusClosed16+10.3+0.64+0.50

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
+14.0Round 14🇮🇩 INDONESIA256♠x♥7-4+15
+12.9Round 9🇺🇸 USA 147♦♥K=-2
+11.3Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43NT♣4=+10
+10.7Round 7🇨🇦 CANADA55♦♦5=+3
+10.4Round 11🇦🇺 AUSTRALIA95♥x♦10-2+12
+10.3Round 23🇸🇪 SWEDEN64♠♥10+3+14
+9.8Round 11🇦🇺 AUSTRALIA45♦♣Q=+0
+9.6Round 14🇮🇩 INDONESIA314♥♣4-1+10
+9.0Round 19🇮🇳 INDIA36♦♣2+1-13
+8.9Round 12🇮🇹 ITALY304♣♠7-1+6
+8.9Round 23🇸🇪 SWEDEN145♣♦3=+0
+8.7Round 12🇮🇹 ITALY195♦x♣Q-2+9
+8.3Round 7🇨🇦 CANADA34NT♣10-1+13
+7.8Round 15🇩🇰 DENMARK116♣♠A=-2
+7.4Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND164♥♦10-1+12
+7.1Round 9🇺🇸 USA 174♥♣K-3+14
+7.0Round 14🇮🇩 INDONESIA243NT♥Q-2+11
+6.9Round 20🇳🇿 NEW ZEALAND275♥♣K+1+1
+6.7Round 2🇳🇱 NETHERLANDS286♠♣A=+0
+6.7Round 14🇮🇩 INDONESIA224♥♠8-2+13
+6.4Round 3🇹🇼 CHINESE TAIPEI33NT♠4-1+5
+6.2Round 20🇳🇿 NEW ZEALAND203NT♠2+1+1
+6.1Round 11🇦🇺 AUSTRALIA67♠♠2=+0
+6.0Round 15🇩🇰 DENMARK14♥♣3-1+10
+5.9Round 2🇳🇱 NETHERLANDS303NT♠Q+1+1
+5.9Round 20🇳🇿 NEW ZEALAND302♥♦2+3+6
+5.5Round 20🇳🇿 NEW ZEALAND254♠♦8=+6
+5.3Round 7🇨🇦 CANADA24♥♥5+1+1
+5.1Round 3🇹🇼 CHINESE TAIPEI63NT♥5-6+9
+5.0Round 2🇳🇱 NETHERLANDS273NT♠3=+0
+4.8Round 6🇨🇳 CHINA264♠♣A=+10
+4.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♥♣J+2+13
+4.4Round 2🇳🇱 NETHERLANDS233NT♠7=+0
+4.3Round 20🇳🇿 NEW ZEALAND225♣♠A=-11
+4.2Round 23🇸🇪 SWEDEN42♠♦5+2+2
+4.1Round 9🇺🇸 USA 113♣♠K-2+6
+4.0Round 3🇹🇼 CHINESE TAIPEI143♥♠8=+6
+4.0Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♥7-3+7
+3.8Round 2🇳🇱 NETHERLANDS212♥♠A+2+1
+3.8Round 23🇸🇪 SWEDEN115♦♣Q-3+7
+3.7Round 2🇳🇱 NETHERLANDS192♦x♦2-2+3
+3.7Round 3🇹🇼 CHINESE TAIPEI53NT♥5+2+0
+3.7Round 23🇸🇪 SWEDEN134♠x♥K-1+7
+3.6Round 18🇳🇴 NORWAY263NT♦K-2+8
+3.3Round 4🇫🇷 FRANCE172♥♦10-1-2
+3.3Round 11🇦🇺 AUSTRALIA113♣♠2-1+4
+3.3Round 12🇮🇹 ITALY272♣♠8+2+7
+3.2Round 12🇮🇹 ITALY252♠♥2+2+11
+3.2Round 19🇮🇳 INDIA22♠♦A=+6
+3.1Round 6🇨🇳 CHINA303NT♣6+2+0
+3.1Round 9🇺🇸 USA 1154♠♦K-2+8
+3.0Round 2🇳🇱 NETHERLANDS223NT♥10=+0
+2.7Round 9🇺🇸 USA 1123♠♣5-1+6
+2.7Round 9🇺🇸 USA 1143NT♦A+1+0
+2.6Round 6🇨🇳 CHINA274♠♦7-1+5
+2.6Round 14🇮🇩 INDONESIA324♠♥Q+3+2
+2.5Round 7🇨🇦 CANADA92♥x♦6-2+8
+2.5Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♠5+1+1
+2.3Round 7🇨🇦 CANADA61NT♦3+3+2
+2.3Round 19🇮🇳 INDIA42♥♣5+1+10
+2.2Round 11🇦🇺 AUSTRALIA5Pass+12
+2.2Round 14🇮🇩 INDONESIA203♥♦5+2+2
+2.2Round 23🇸🇪 SWEDEN22♠♦A=-1
+2.1Round 6🇨🇳 CHINA284♠♣4+1+1
+2.1Round 7🇨🇦 CANADA113♣♠7-2+6
+2.1Round 15🇩🇰 DENMARK24♥♣K+1+0
+2.0Round 6🇨🇳 CHINA224♠♥3-2+6
+2.0Round 15🇩🇰 DENMARK82♣♠J-1-2
+1.9Round 11🇦🇺 AUSTRALIA33♣♦10+2+6
+1.9Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND73NT♠6+1+1
+1.8Round 15🇩🇰 DENMARK143♦♥Q+1+0
+1.7Round 18🇳🇴 NORWAY193NT♦6+2+2
+1.7Round 19🇮🇳 INDIA132NT♣2-2+7
+1.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND55♣♦A-1-12
+1.6Round 18🇳🇴 NORWAY302♥♦K=+5
+1.6Round 19🇮🇳 INDIA143NT♠K+4-14
+1.5Round 18🇳🇴 NORWAY231NT♣J+2+1
+1.5Round 20🇳🇿 NEW ZEALAND323♠♠A=+0
+1.4Round 6🇨🇳 CHINA314♠♣2+2+1
+1.3Round 7🇨🇦 CANADA163NT♣6+1+0
+1.3Round 12🇮🇹 ITALY244♥♣3+2+1
+1.3Round 12🇮🇹 ITALY262♠♥3=+1
+1.3Round 19🇮🇳 INDIA63♦♥9+1-1
+1.3Round 20🇳🇿 NEW ZEALAND181NT♣2+1+5
+1.2Round 9🇺🇸 USA 1134♠♦K=+9
+1.1Round 6🇨🇳 CHINA244♦♠A+1-6
+1.1Round 7🇨🇦 CANADA14♠♥6-1+2
+1.1Round 19🇮🇳 INDIA82NT♣J=+0
+1.0Round 2🇳🇱 NETHERLANDS263NT♥3+1+1
+1.0Round 3🇹🇼 CHINESE TAIPEI153NT♥10+1+1
+1.0Round 7🇨🇦 CANADA135♦♠K-1-6
+1.0Round 11🇦🇺 AUSTRALIA73NT♥6-2+7
+1.0Round 11🇦🇺 AUSTRALIA82♣♣9=-2
+1.0Round 18🇳🇴 NORWAY205♠♦2=+0
+1.0Round 20🇳🇿 NEW ZEALAND194♥♦2=+0
+1.0Round 20🇳🇿 NEW ZEALAND292♥♠2=+11
+0.9Round 2🇳🇱 NETHERLANDS294♥♣A+1+0
+0.9Round 9🇺🇸 USA 1101NT♠5=+2
+0.9Round 14🇮🇩 INDONESIA232♥♥2-3+7
+0.9Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND144♥♠Q+1+0
+0.7Round 4🇫🇷 FRANCE283♣♥6+1+0
+0.7Round 6🇨🇳 CHINA183NT♦6=+1
+0.7Round 23🇸🇪 SWEDEN32NT♠5-2+5
+0.6Round 4🇫🇷 FRANCE253NT♠7+2+13
+0.6Round 15🇩🇰 DENMARK43♠♥Q-1+0
+0.6Round 18🇳🇴 NORWAY184♥♦10=-1
+0.5Round 12🇮🇹 ITALY184♥♥J+1+0
+0.5Round 12🇮🇹 ITALY314♠♣8+1+0
+0.5Round 19🇮🇳 INDIA73♥♦4-1+9
+0.5Round 20🇳🇿 NEW ZEALAND242♠♥5-1-2
+0.5Round 23🇸🇪 SWEDEN13♣♣2-2+1
+0.5Round 23🇸🇪 SWEDEN82NT♥9-1+2
+0.4Round 3🇹🇼 CHINESE TAIPEI163NT♥3+2+0
+0.4Round 11🇦🇺 AUSTRALIA163NT♥10+1-1
+0.4Round 23🇸🇪 SWEDEN124♠♣10+1+0
+0.3Round 7🇨🇦 CANADA122NT♦2-1-12
+0.3Round 14🇮🇩 INDONESIA214♠♥10+1+1
+0.3Round 18🇳🇴 NORWAY212♥♣4-1+5
+0.3Round 18🇳🇴 NORWAY321NT♠10+2+1
+0.3Round 19🇮🇳 INDIA151NT♥3+1+0
+0.3Round 20🇳🇿 NEW ZEALAND174♥♦7+1+0
+0.3Round 23🇸🇪 SWEDEN94♠♥K+1-12
+0.2Round 2🇳🇱 NETHERLANDS254♠♥6-1-5
+0.2Round 4🇫🇷 FRANCE324♠♥5=+0
+0.2Round 18🇳🇴 NORWAY251NT♠2-1+1
+0.2Round 19🇮🇳 INDIA53NT♦3+1+0
+0.1Round 12🇮🇹 ITALY324♠♠9+1+0
+0.1Round 18🇳🇴 NORWAY283NT♥7=-2
-0.0Round 3🇹🇼 CHINESE TAIPEI24♥♥3=+0
-0.0Round 6🇨🇳 CHINA191♥♦A-2-2
-0.0Round 6🇨🇳 CHINA253♠♥3+1-1
-0.0Round 11🇦🇺 AUSTRALIA124♠♥9+1+13
-0.0Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND132♦♣K-2+2
+0.0Round 19🇮🇳 INDIA114♠♥J=+0
+0.0Round 19🇮🇳 INDIA123♠♥6=+1
-0.1Round 2🇳🇱 NETHERLANDS243NT♥Q+1-1
-0.2Round 7🇨🇦 CANADA154♠♥10=+1
-0.2Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND12♦♦9-1+1
-0.3Round 9🇺🇸 USA 156♠♣J+1-11
-0.3Round 9🇺🇸 USA 184♠♥8+1+0
-0.3Round 14🇮🇩 INDONESIA293NT♦9+1-1
-0.3Round 20🇳🇿 NEW ZEALAND261♠♦J+2-7
-0.4Round 3🇹🇼 CHINESE TAIPEI132♠♣A-1-6
-0.4Round 4🇫🇷 FRANCE262♥♠5=-6
-0.4Round 15🇩🇰 DENMARK152♣♠7=-2
-0.4Round 19🇮🇳 INDIA162♦♥K+2+0
-0.4Round 20🇳🇿 NEW ZEALAND312♦♣4+2+0
-0.5Round 15🇩🇰 DENMARK56♠♣A=+0
-0.6Round 4🇫🇷 FRANCE225♣♠A-1-5
-0.6Round 12🇮🇹 ITALY294♥♠8+2-13
-0.7Round 4🇫🇷 FRANCE204♠♠5=-1
-0.7Round 19🇮🇳 INDIA94♣♦K-1-2
-0.7Round 20🇳🇿 NEW ZEALAND213NT♠7=+0
-0.7Round 23🇸🇪 SWEDEN163♠♠4+1-4
-0.8Round 3🇹🇼 CHINESE TAIPEI11NT♠Q=+2
-0.8Round 3🇹🇼 CHINESE TAIPEI72♦♥2-1+6
-1.0Round 2🇳🇱 NETHERLANDS321NT♣K=+1
-1.0Round 11🇦🇺 AUSTRALIA142♠♣10=-5
-1.0Round 19🇮🇳 INDIA13NT♠8+3-2
-1.1Round 3🇹🇼 CHINESE TAIPEI46♥♣8=+13
-1.1Round 14🇮🇩 INDONESIA171NT♠6-1+1
-1.1Round 18🇳🇴 NORWAY243NT♠Q+2-2
-1.1Round 20🇳🇿 NEW ZEALAND285♠♦K+1-12
-1.2Round 7🇨🇦 CANADA73♥♥3=+0
-1.2Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND62♦♣A+1-7
-1.3Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND32♣♠K-1+2
-1.3Round 18🇳🇴 NORWAY274♥♣6+1+0
-1.4Round 4🇫🇷 FRANCE234♥♦3+1+13
-1.4Round 11🇦🇺 AUSTRALIA155♦♠7+1-14
-1.5Round 3🇹🇼 CHINESE TAIPEI123NT♠J=+13
-1.5Round 4🇫🇷 FRANCE315♥♦10=+0
-1.5Round 9🇺🇸 USA 164♠♥6-1-6
-1.5Round 12🇮🇹 ITALY201NT♣3-3+7
-1.6Round 15🇩🇰 DENMARK93♣♦J+1-7
-1.7Round 11🇦🇺 AUSTRALIA104♠x♦K-1+0
-1.7Round 12🇮🇹 ITALY217♠♠6=+0
-1.9Round 2🇳🇱 NETHERLANDS314♠♦A-1-5
-1.9Round 7🇨🇦 CANADA103♥♦K+1-10
-1.9Round 12🇮🇹 ITALY233NT♣6+1-1
-2.0Round 6🇨🇳 CHINA172NT♠3-4+6
-2.0Round 15🇩🇰 DENMARK123♦♦10-1+0
-2.0Round 23🇸🇪 SWEDEN152♠♣4=+0
-2.2Round 4🇫🇷 FRANCE194♥♦A-1-10
-2.2Round 4🇫🇷 FRANCE213NT♥9=+1
-2.3Round 3🇹🇼 CHINESE TAIPEI93♣♠A+1-11
-2.3Round 9🇺🇸 USA 124♠♥2+3-10
-2.3Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♦♣Q-1-5
-2.6Round 9🇺🇸 USA 193NT♥K=+2
-2.6Round 15🇩🇰 DENMARK102♥♣8+1+0
-2.7Round 9🇺🇸 USA 1113♥♣5-1+2
-2.8Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♦K=-11
-2.8Round 23🇸🇪 SWEDEN74♠♥7-1-6
-3.0Round 2🇳🇱 NETHERLANDS175♦♠10+1-2
-3.0Round 6🇨🇳 CHINA294♥♣8=-10
-3.0Round 15🇩🇰 DENMARK163♠♣K+1-2
-3.1Round 11🇦🇺 AUSTRALIA24♥♦A-1-5
-3.2Round 7🇨🇦 CANADA45♣♥A-1-6
-3.3Round 7🇨🇦 CANADA143NT♥2-1-10
-3.4Round 14🇮🇩 INDONESIA185♣♠A=+2
-3.5Round 18🇳🇴 NORWAY171NT♠8+1-6
-3.6Round 7🇨🇦 CANADA84♣♥3-2-6
-3.7Round 14🇮🇩 INDONESIA272♠♥K+1+0
-3.9Round 12🇮🇹 ITALY174♠x♥A-1-5
-4.0Round 9🇺🇸 USA 1166♦♣5+1-1
-4.0Round 11🇦🇺 AUSTRALIA12♠♠2-1-4
-4.3Round 3🇹🇼 CHINESE TAIPEI83♣♥3=-6
-4.3Round 12🇮🇹 ITALY282♣♥7-3-2
-4.6Round 6🇨🇳 CHINA216♠♥Q-1-11
-4.6Round 6🇨🇳 CHINA233NT♠4-1-6
-4.9Round 6🇨🇳 CHINA323NT♥4+3-1
-5.0Round 9🇺🇸 USA 133♠♥8=-10
-5.0Round 18🇳🇴 NORWAY293NT♣8-1-13
-5.1Round 3🇹🇼 CHINESE TAIPEI113♣♠K-4-13
-5.1Round 4🇫🇷 FRANCE294♥♣3=+1
-5.3Round 4🇫🇷 FRANCE274♥x♥A-2-5
-5.4Round 14🇮🇩 INDONESIA263♥♣K-2-9
-5.6Round 4🇫🇷 FRANCE243NT♠3=-3
-5.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND156♥♠Q=+9
-5.7Round 15🇩🇰 DENMARK34♥♦5=+0
-6.1Round 15🇩🇰 DENMARK133NT♦2=+0
-6.2Round 12🇮🇹 ITALY222♦♠7-2-7
-6.2Round 18🇳🇴 NORWAY225♣♥A-1-6
-6.3Round 6🇨🇳 CHINA203NT♣K-2-13
-6.4Round 15🇩🇰 DENMARK74♥♠J-1-6
-6.5Round 14🇮🇩 INDONESIA303NT♣9-2-6
-6.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♥K-1-12
-7.0Round 14🇮🇩 INDONESIA194♣x♥10-1+0
-7.0Round 20🇳🇿 NEW ZEALAND234♠♥8-1-12
-7.1Round 3🇹🇼 CHINESE TAIPEI105♥x♦K=-14
-7.3Round 18🇳🇴 NORWAY314♥♣3-1-10
-7.5Round 2🇳🇱 NETHERLANDS183♣♠A-4-7
-8.0Round 11🇦🇺 AUSTRALIA134♠xx♣K-1-14
-8.3Round 15🇩🇰 DENMARK63NT♠9-1-5
-8.7Round 4🇫🇷 FRANCE306♣♥A=+2
-9.3Round 4🇫🇷 FRANCE184♠x♣8=-12
-9.8Round 23🇸🇪 SWEDEN53NT♦10+2-2
-9.9Round 23🇸🇪 SWEDEN104♠x♥A=-5
-10.1Round 19🇮🇳 INDIA104♠x♦A-2-12
-10.5Round 14🇮🇩 INDONESIA284♥♦J-1-13
-11.9Round 2🇳🇱 NETHERLANDS204NT♥5+3-16