🇺🇸 ROSENBERG Kevin · USA1

6rank
+183.4Butler · 204 bds
+0.90per board
±4.9swing
+0.28vs par /bd · #48/134
+0.82adjusted /bd
Butler per round: -8.9 3.8 11.7 16.5 24.5 15 3.2 14.9 19.9 35.1 -10.3 0.4 -1.2 25.1 -2.4 25.6 10.5by round

vs par split: bidding +0.30 · play -0.02

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted +0.82/bd

Card play — on target: opening leads 73.9% #118 of 134 · declarer play 76.9% #59 of 134 · defence 88.5% #22 of 134

Bidding activity — not a pass: 45.2% #47 of 134 (257/568)

Card play by contract type — on target
vs NTvs a suit
Opening leads54.5% (11)80.0% (35)
Declarer play63.6% (11)80.5% (41)
Defence80.0% (30)91.9% (74)

Opening leads by suit led: ♠ 73.3% (15) · ♥ 81.8% (11) · ♦ 81.8% (11) · ♣ 55.6% (9)

vs par by strain: NT +0.13 (53) · a suit +0.33 (151)

vs par by level: part-score +0.35 (86) · game +0.74 (99) · slam -2.42 (19)

By role: declaring +1.15/bd (-1.96 vs par · 100) · defending +0.66/bd (+2.43 vs par · 104)

By vulnerability: vulnerable +1.10/bd (-0.14 vs par · 102) · not vulnerable +0.70/bd (+0.70 vs par · 102)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.KristensenC.Duffie – A.LinClosed12-8.9-0.74+0.92
Round 3B.KristensenK.Chang – X.LinClosed12+3.8+0.32-0.08
Round 4B.KristensenS.Scata – A.GaiottiClosed12+11.7+0.97-0.25
Round 5B.KristensenK.Cichy – K.KopkaOpen12+16.5+1.38-0.08
Round 6B.KristensenE.Edwards – J.ParsonsClosed12+24.5+2.04-3.42
Round 7B.KristensenM.Kalayci – H.CobanOpen12+15.0+1.25+0.17
Round 9B.KristensenL.Bonin – T.GuichetOpen12+3.2+0.27-1.17
Round 10B.KristensenA.Sandin – S.ClementssonOpen12+14.9+1.24-0.08
Round 11B.KristensenR.Maide – J.KaasikOpen12+19.9+1.66+1.75
Round 12B.KristensenS.Van Oosten – S.ThorpeClosed12+35.1+2.93+1.75
Round 14B.KristensenY.Wen – B.JiangClosed12-10.3-0.86-1.08
Round 15B.KristensenD.Kapiris – M.SoumplisClosed12+0.4+0.03-0.25
Round 17B.KristensenS.Basu – S.SarkarClosed12-1.2-0.10+0.58
Round 18B.KristensenT.Wu – X.TeoClosed12+25.1+2.09+1.33
Round 21B.KristensenE.Evacic – I.BilusicOpen12-2.4-0.20-0.50
Round 22B.KristensenS.Semberoiz – R.NunezClosed12+25.6+2.13+5.50
Round 23B.KristensenI.Baniri – T.LoonsteinOpen12+10.5+0.88-0.33

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
+14.7Round 6🇧🇧 BARBADOS234♥x♣6-2+15
+13.8Round 12🇳🇱 NETHERLANDS136♣♦K=-12
+13.0Round 18🇸🇬 SINGAPORE157♦x♣A-1+16
+12.4Round 10🇸🇪 SWEDEN204♥♦7-1+13
+12.2Round 10🇸🇪 SWEDEN134♥x♠2-3+14
+11.3Round 11🇪🇪 ESTONIA116♣♠A=+13
+10.7Round 15🇬🇷 GREECE34♠xx♣A=+12
+10.0Round 3🇹🇼 CHINESE TAIPEI72♦x♦2-2+8
+9.9Round 12🇳🇱 NETHERLANDS194♠x♥T-4+12
+9.9Round 18🇸🇬 SINGAPORE224♥♦5=+11
+9.5Round 17🇮🇳 INDIA75♦♠A=+3
+9.4Round 4🇮🇹 ITALY235♦♠7-2+12
+9.2Round 6🇧🇧 BARBADOS174♥♠7=+8
+8.7Round 5🇵🇱 POLAND34♥♦K=+8
+8.6Round 22🇦🇷 ARGENTINA183♠♥4+1+10
+8.0Round 11🇪🇪 ESTONIA13NT♦7=+7
+7.8Round 4🇮🇹 ITALY216♦x♠K-2+0
+7.0Round 12🇳🇱 NETHERLANDS163NT♠K-1+5
+7.0Round 22🇦🇷 ARGENTINA164♠♣J=+8
+6.9Round 10🇸🇪 SWEDEN186♣x♠K-4+7
+6.8Round 9🇫🇷 FRANCE33♣♥3-3+5
+6.8Round 22🇦🇷 ARGENTINA145♦x♣A-2+5
+6.7Round 23🇮🇱 ISRAEL95♥♠A=+8
+6.3Round 7🇹🇷 TURKIYE23NT♣6-2+8
+6.3Round 15🇬🇷 GREECE56♠♥K-4+12
+6.0Round 3🇹🇼 CHINESE TAIPEI123♣♠4=-1
+6.0Round 9🇫🇷 FRANCE24♠♦K+1+4
+5.9Round 5🇵🇱 POLAND22♦x♥8-1+8
+5.8Round 5🇵🇱 POLAND74♠x♣9-1+8
+5.7Round 4🇮🇹 ITALY176NT♦9=+0
+5.6Round 9🇫🇷 FRANCE13♥♠A=+1
+5.6Round 22🇦🇷 ARGENTINA153♥♦7-1+12
+5.3Round 6🇧🇧 BARBADOS142♠x♦A-2+5
+5.2Round 3🇹🇼 CHINESE TAIPEI103NT♥2-1+12
+5.1Round 14🇨🇳 CHINA213♣♠A=+9
+4.9Round 11🇪🇪 ESTONIA93NT♥J=-1
+4.7Round 21🇭🇷 CROATIA102♠♥5-2+7
+4.6Round 7🇹🇷 TURKIYE52♣♦6+1+9
+4.6Round 15🇬🇷 GREECE114♠xx♦9-1+12
+4.5Round 12🇳🇱 NETHERLANDS175♦♦3=-1
+4.4Round 22🇦🇷 ARGENTINA204♥♠7+1+10
+4.3Round 18🇸🇬 SINGAPORE162♠♣2+2+1
+4.1Round 6🇧🇧 BARBADOS132♠♣4+1+6
+4.1Round 14🇨🇳 CHINA182♠♣Q+2+1
+4.1Round 14🇨🇳 CHINA223NT♣6-1-5
+4.0Round 12🇳🇱 NETHERLANDS154♥♠K-2+8
+4.0Round 15🇬🇷 GREECE75♦♥4=-5
+3.8Round 7🇹🇷 TURKIYE94♠♣K=+3
+3.8Round 18🇸🇬 SINGAPORE185♦♠Q+2+1
+3.8Round 22🇦🇷 ARGENTINA131NT♦Q=+5
+3.7Round 1🇺🇸 USA2104♠♥T+1+1
+3.7Round 11🇪🇪 ESTONIA52♠♦J+1+7
+3.7Round 23🇮🇱 ISRAEL46♠♦7=-13
+3.7Round 23🇮🇱 ISRAEL52NT♣A-3+9
+3.5Round 6🇧🇧 BARBADOS195♦x♠A-3-4
+3.5Round 21🇭🇷 CROATIA72♠♥8-1-1
+3.3Round 11🇪🇪 ESTONIA83♦♦3+1+0
+3.2Round 15🇬🇷 GREECE123NT♠9=+3
+3.0Round 7🇹🇷 TURKIYE103♦♦3-1+6
+3.0Round 23🇮🇱 ISRAEL83NT♣9-1+5
+2.9Round 14🇨🇳 CHINA173♥♦A-2+0
+2.9Round 23🇮🇱 ISRAEL32♠♠6-1-2
+2.8Round 4🇮🇹 ITALY242♠♥Q+1+6
+2.7Round 1🇺🇸 USA2123♠♦6-1+4
+2.7Round 17🇮🇳 INDIA113♦♥J=+0
+2.7Round 18🇸🇬 SINGAPORE134♠♣6+2+13
+2.6Round 23🇮🇱 ISRAEL23♣♦K=+1
+2.5Round 1🇺🇸 USA251NT♠4+1+0
+2.5Round 5🇵🇱 POLAND124♥♣8=+6
+2.5Round 12🇳🇱 NETHERLANDS183NT♣2+1+0
+2.5Round 21🇭🇷 CROATIA32♥♣6+2+2
+2.5Round 22🇦🇷 ARGENTINA226♥♦T=+0
+2.4Round 3🇹🇼 CHINESE TAIPEI114♠♣K+1-8
+2.3Round 4🇮🇹 ITALY143♠♣A-3+1
+2.3Round 5🇵🇱 POLAND103♣♥K-2+2
+2.2Round 9🇫🇷 FRANCE72♠♠3+1+0
+2.2Round 11🇪🇪 ESTONIA42♠♦K=+11
+2.1Round 1🇺🇸 USA223♣♠Q+1+0
+2.1Round 23🇮🇱 ISRAEL121NT♥J-1+5
+2.0Round 1🇺🇸 USA264♠♠T+2+13
+1.9Round 14🇨🇳 CHINA161NTx♦6=+2
+1.9Round 18🇸🇬 SINGAPORE243♦♣4=-1
+1.8Round 6🇧🇧 BARBADOS225♥♦Q+1-13
+1.8Round 11🇪🇪 ESTONIA25♣♦K=-3
+1.8Round 17🇮🇳 INDIA12♥♠Q+2+1
+1.7Round 10🇸🇪 SWEDEN173♦♣K-2-1
+1.7Round 11🇪🇪 ESTONIA74♥♣J=+0
+1.7Round 12🇳🇱 NETHERLANDS144♥♦Q+1+11
+1.7Round 14🇨🇳 CHINA193♣♠J=+0
+1.6Round 7🇹🇷 TURKIYE64♠♦3-1-9
+1.6Round 7🇹🇷 TURKIYE123NT♠5-1+5
+1.5Round 5🇵🇱 POLAND112♦♦4+2+0
+1.5Round 7🇹🇷 TURKIYE43♥♦T-1-1
+1.5Round 10🇸🇪 SWEDEN143♦♣K-3-4
+1.4Round 9🇫🇷 FRANCE44♥♦6+2+5
+1.4Round 15🇬🇷 GREECE13NT♠6+1+1
+1.4Round 21🇭🇷 CROATIA94♥x♥Q-1+0
+1.3Round 5🇵🇱 POLAND54♠♦Q+1-10
+1.2Round 17🇮🇳 INDIA43♦♠T=+10
+1.2Round 17🇮🇳 INDIA103♣♠K=+0
+1.1Round 3🇹🇼 CHINESE TAIPEI11NT♦4+1+0
+1.1Round 21🇭🇷 CROATIA63NT♦Q+1-1
+1.0Round 18🇸🇬 SINGAPORE145♥♠K=+0
+0.9Round 6🇧🇧 BARBADOS181NT♣J=-5
+0.9Round 7🇹🇷 TURKIYE32NT♦J=+1
+0.7Round 3🇹🇼 CHINESE TAIPEI53♥♠A-1+3
+0.7Round 4🇮🇹 ITALY132♠♥K=+1
+0.7Round 10🇸🇪 SWEDEN162♣♥6-2+0
+0.7Round 11🇪🇪 ESTONIA124♠♥K=+0
+0.6Round 1🇺🇸 USA233♥♣4-1+0
+0.6Round 10🇸🇪 SWEDEN153NT♥9+2+0
+0.6Round 17🇮🇳 INDIA24♥♠A+1+0
+0.6Round 18🇸🇬 SINGAPORE212♠♣J=-1
+0.6Round 22🇦🇷 ARGENTINA174♥♠8-1+10
+0.5Round 5🇵🇱 POLAND84♠♥K+1+0
+0.5Round 7🇹🇷 TURKIYE13NT♥6=+2
+0.5Round 9🇫🇷 FRANCE102♥♦8-3-7
+0.5Round 10🇸🇪 SWEDEN222♠♣K+1+0
+0.3Round 7🇹🇷 TURKIYE114♥♣Q+2-11
+0.3Round 9🇫🇷 FRANCE51NT♣6-1+4
+0.3Round 18🇸🇬 SINGAPORE193♦♥K=+0
+0.2Round 12🇳🇱 NETHERLANDS233♣♠A-1+1
-0.0Round 4🇮🇹 ITALY204♠♠4+1+0
-0.0Round 6🇧🇧 BARBADOS214♥♠8+1-11
-0.0Round 11🇪🇪 ESTONIA62♠♠T+2+6
-0.2Round 6🇧🇧 BARBADOS164♦♠A+1-8
-0.2Round 9🇫🇷 FRANCE114♠♦Q+1+1
-0.3Round 9🇫🇷 FRANCE84♠♦3+2-11
-0.3Round 21🇭🇷 CROATIA22♠♣T+2-6
-0.4Round 7🇹🇷 TURKIYE81NT♠3=-1
-0.5Round 1🇺🇸 USA2113NT♣T+2+11
-0.5Round 3🇹🇼 CHINESE TAIPEI31NT♠7-1-3
-0.5Round 23🇮🇱 ISRAEL14♠♦K+1+0
-0.6Round 18🇸🇬 SINGAPORE172NT♥8+1-6
-0.6Round 21🇭🇷 CROATIA53NT♣3+1-1
-0.7Round 4🇮🇹 ITALY223NT♥Q+1+1
-0.7Round 15🇬🇷 GREECE42♠♠4+2-10
-0.7Round 17🇮🇳 INDIA93NT♥2-1+5
-0.7Round 21🇭🇷 CROATIA13NT♥2+1-1
-0.9Round 10🇸🇪 SWEDEN231NT♥5+2-1
-1.0Round 12🇳🇱 NETHERLANDS201NT♠T-2-2
-1.1Round 22🇦🇷 ARGENTINA193NT♠7+1+0
-1.1Round 22🇦🇷 ARGENTINA243♠♠4=+0
-1.2Round 9🇫🇷 FRANCE92♣♦3+1+1
-1.3Round 1🇺🇸 USA271NT♦A-1+0
-1.3Round 21🇭🇷 CROATIA123NT♥3+1+0
-1.4Round 3🇹🇼 CHINESE TAIPEI91NT♠6+2+0
-1.4Round 12🇳🇱 NETHERLANDS243♠♦2=-1
-1.5Round 1🇺🇸 USA284♠♥J=+0
-1.7Round 14🇨🇳 CHINA143♦♣A-3-10
-1.7Round 22🇦🇷 ARGENTINA236♥♣6=+0
-1.8Round 4🇮🇹 ITALY162NT♦7+1-7
-2.0Round 5🇵🇱 POLAND93NT♥9+3-13
-2.0Round 23🇮🇱 ISRAEL63♠♥A=+0
-2.1Round 3🇹🇼 CHINESE TAIPEI24♥♠2+1+0
-2.1Round 5🇵🇱 POLAND45♠♦7-1-7
-2.1Round 14🇨🇳 CHINA153♣♦K+2+8
-2.1Round 23🇮🇱 ISRAEL104♠♦J+1+0
-2.2Round 14🇨🇳 CHINA135♣♦5+1-5
-2.2Round 15🇬🇷 GREECE83♠♣T+2-6
-2.3Round 17🇮🇳 INDIA53NT♣8+2+0
-2.3Round 17🇮🇳 INDIA125♥♦K=-1
-2.4Round 4🇮🇹 ITALY193NT♠4=+0
-2.8Round 12🇳🇱 NETHERLANDS223NT♣Q+1+0
-3.0Round 3🇹🇼 CHINESE TAIPEI44♠♥Q=+0
-3.0Round 4🇮🇹 ITALY182♠♥Q+2-7
-3.0Round 21🇭🇷 CROATIA42♠♠2=-5
-3.0Round 21🇭🇷 CROATIA84♠♥6=+0
-3.3Round 6🇧🇧 BARBADOS244♥♦T-1-4
-3.3Round 9🇫🇷 FRANCE121NT♣Q-1+0
-3.3Round 12🇳🇱 NETHERLANDS213♦♦7=+0
-3.4Round 23🇮🇱 ISRAEL113♣♥Q=-5
-3.9Round 5🇵🇱 POLAND62♥♦A-2-3
-3.9Round 17🇮🇳 INDIA36♣♠K-1-12
-4.0Round 5🇵🇱 POLAND16♠♥2=+0
-4.0Round 17🇮🇳 INDIA83NT♦T+1+0
-4.4Round 14🇨🇳 CHINA244♥♠A=+0
-4.5Round 6🇧🇧 BARBADOS204♥♣3+2-13
-4.8Round 18🇸🇬 SINGAPORE204♥♦6-2-8
-4.9Round 1🇺🇸 USA293♠♥5-1-10
-4.9Round 10🇸🇪 SWEDEN195♣♠K+1-3
-5.0Round 17🇮🇳 INDIA64♥♣3=+1
-5.1Round 11🇪🇪 ESTONIA34♠♣5-1-6
-5.6Round 15🇬🇷 GREECE63♠♣J=-11
-5.8Round 1🇺🇸 USA215♠x♣K-1+0
-5.9Round 10🇸🇪 SWEDEN214♠♠5-1-12
-6.1Round 15🇬🇷 GREECE103♣♣3=-11
-6.2Round 23🇮🇱 ISRAEL73♣♣2-1-12
-6.3Round 15🇬🇷 GREECE25♥x♣K-3-12
-6.7Round 21🇭🇷 CROATIA113NT♠7=+0
-7.0Round 6🇧🇧 BARBADOS157NT♥7-1-17
-7.0Round 18🇸🇬 SINGAPORE233NT♥3=-10
-7.3Round 3🇹🇼 CHINESE TAIPEI64♥♠A=-7
-7.3Round 3🇹🇼 CHINESE TAIPEI83NT♠8-1-5
-8.5Round 1🇺🇸 USA246♥♦J=-8
-8.7Round 7🇹🇷 TURKIYE73NT♥A=-10
-8.9Round 15🇬🇷 GREECE96NT♦J=+12
-9.1Round 4🇮🇹 ITALY155♦x♦A=-10
-9.4Round 14🇨🇳 CHINA206♥♥2=+0
-9.8Round 22🇦🇷 ARGENTINA213NTx♠2+2+6
-9.9Round 10🇸🇪 SWEDEN247♦♥A-1-14
-10.3Round 14🇨🇳 CHINA236♣♥5-2-13
-12.6Round 11🇪🇪 ESTONIA103NT♦Q-1-13
-14.6Round 9🇫🇷 FRANCE67♠♣2-1-17