🇰🇷 ROH Seungjin · KOREA

49rank
+41.8Butler · 256 bds
+0.16per board
±4.6swing
+0.19vs par /bd · #39/95
+0.14adjusted /bd
Butler per round: -13.1 4.9 -17.8 -19.9 20.9 5.1 19.3 -1.5 -2.4 9.9 17.9 -35.3 -9.7 -23.9 51.2 36.2by round

vs par split: bidding -0.08 · play +0.27

Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted +0.14/bd

Card play — on target: opening leads 79.7% #59 of 95 · declarer play 73.4% #61 of 95 · defence 90.2% #27 of 95

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (24)77.1% (35)
Declarer play61.5% (13)76.5% (51)
Defence80.0% (45)97.0% (67)

Opening leads by suit led: ♠ 57.1% (14) · ♥ 87.5% (16) · ♦ 84.6% (13) · ♣ 87.5% (16)

vs par by strain: NT +0.82 (84) · a suit -0.12 (172)

vs par by level: part-score +0.80 (79) · game -0.52 (164) · slam +5.46 (13)

By role: declaring +0.22/bd (-1.58 vs par · 144) · defending +0.09/bd (+2.46 vs par · 112)

By vulnerability: vulnerable -0.07/bd (+0.34 vs par · 128) · not vulnerable +0.39/bd (+0.03 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.KangW.Gawel – R.JagniewskiClosed16-13.1-0.82-0.25
Round 2S.KangD.Lyder – M.RocheOpen16+4.9+0.31-3.25
Round 3S.KangS.Unal – L.ImamogluClosed16-17.8-1.11-0.88
Round 4S.KangA.Versace – A.SementaOpen16-19.9-1.24+0.31
Round 5S.KangR.Lian – Y.LianClosed16+20.9+1.31+2.19
Round 6S.KangL.Rombaut – J.RombautOpen16+5.1+0.32-1.00
Round 7S.KangE.Jepsen – H.GraversenOpen16+19.3+1.21+2.00
Round 8S.KangA.Khare – R.TolaniClosed16-1.5-0.09-1.19
Round 9S.KangP.Lakatos – G.WinklerOpen16-2.4-0.15-1.06
Round 10S.KangM.Andresen – E.ErichsenClosed16+9.9+0.62-0.19
Round 11S.KangC.Lu – P.GillOpen16+17.9+1.12+3.31
Round 12S.KangM.Klukowski – J.KalitaClosed16-35.3-2.21-0.12
Round 13S.KangM.Toma – P.RavennaClosed16-9.7-0.61+0.19
Round 14S.KangC.Nyberg – V.FagerlundOpen16-23.9-1.49-4.00
Round 15S.KangN.Abo Hantash – R.AnabtawiOpen16+51.2+3.20+4.56
Round 17S.KangS.Weinberger – R.WadlClosed16+36.2+2.26+2.38

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
+13.1Round 17🇦🇹 AUSTRIA262♣♥A+3+8
+12.5Round 15🇰🇼 KUWAIT203NTx♦K-3+14
+12.1Round 17🇦🇹 AUSTRIA184♠x♦5+1+13
+11.8Round 17🇦🇹 AUSTRIA313NT♥8+1+11
+11.4Round 15🇰🇼 KUWAIT253NT♥3-1+16
+10.8Round 6🇫🇷 FRANCE94♠x♥2=+12
+10.7Round 9🇭🇺 HUNGARY234♠x♥A=+11
+10.6Round 2🇨🇦 CANADA133NT♠Q-1+12
+10.3Round 13🇧🇷 BRAZIL324♠♥2-1+5
+9.7Round 2🇨🇦 CANADA34♥♠K-1+14
+9.6Round 11🇦🇺 AUSTRALIA223NT♥3+1+11
+9.0Round 8🇮🇳 INDIA133NT♠2+1+1
+8.9Round 15🇰🇼 KUWAIT273♦♣3-2+6
+8.7Round 6🇫🇷 FRANCE44♠x♦4-2+12
+8.7Round 15🇰🇼 KUWAIT263♠x♦Q-2+12
+8.3Round 10🇳🇴 NORWAY144♠♦3+1+4
+7.8Round 6🇫🇷 FRANCE153NTx♠J+1+8
+7.8Round 7🇩🇰 DENMARK183NT♦5+2+0
+7.4Round 5🇨🇳 CHINA244♥♦K+1+7
+7.3Round 5🇨🇳 CHINA174♥x♦10=+5
+7.3Round 14🇫🇮 FINLAND116♥♣A=-11
+7.0Round 7🇩🇰 DENMARK194♠♥9-1+6
+6.8Round 2🇨🇦 CANADA103NT♣K-4+6
+6.7Round 17🇦🇹 AUSTRIA303NT♠2-2+11
+6.5Round 1🇵🇱 POLAND144♥♣8+1+8
+6.3Round 5🇨🇳 CHINA226♠♦K-1+9
+6.2Round 10🇳🇴 NORWAY33♣♠K=+12
+6.1Round 15🇰🇼 KUWAIT283NT♠3-2+6
+6.0Round 7🇩🇰 DENMARK244♠x♣A+1+6
+5.9Round 13🇧🇷 BRAZIL304NT♠4+1-10
+5.6Round 3🇹🇷 TURKIYE223NT♦7-1+12
+5.1Round 10🇳🇴 NORWAY15♦♣10=-1
+4.9Round 5🇨🇳 CHINA216♥♦2+1+11
+4.9Round 7🇩🇰 DENMARK253♦x♦J-1+11
+4.7Round 7🇩🇰 DENMARK284♥♠2-1+10
+4.6Round 10🇳🇴 NORWAY93NT♠3-2+8
+4.5Round 11🇦🇺 AUSTRALIA256♣♠10-1+16
+4.5Round 15🇰🇼 KUWAIT236♠♣A=+8
+4.4Round 17🇦🇹 AUSTRIA223♦♠J-2+11
+4.3Round 15🇰🇼 KUWAIT193♥♦10-1+6
+4.2Round 8🇮🇳 INDIA144♠♥3+1+1
+4.2Round 13🇧🇷 BRAZIL213NT♣Q+2+11
+4.2Round 15🇰🇼 KUWAIT302NT♣Q-3+2
+4.1Round 9🇭🇺 HUNGARY303♦♠J+1+0
+4.1Round 11🇦🇺 AUSTRALIA302♥♠A+2-6
+3.9Round 1🇵🇱 POLAND32♥♠8-1+5
+3.9Round 9🇭🇺 HUNGARY253♠♠A=+6
+3.9Round 17🇦🇹 AUSTRIA321NT♣J-1+6
+3.7Round 11🇦🇺 AUSTRALIA244♥♣4+3+10
+3.6Round 6🇫🇷 FRANCE115♥x♦A-2+0
+3.6Round 8🇮🇳 INDIA22♠♥2=+6
+3.4Round 6🇫🇷 FRANCE53♥♠3=+1
+3.4Round 7🇩🇰 DENMARK315♣♠A-3-8
+3.3Round 1🇵🇱 POLAND63NT♥5-2+7
+3.3Round 3🇹🇷 TURKIYE183NT♥10-1+14
+3.3Round 10🇳🇴 NORWAY163♣♣3-2+9
+3.2Round 5🇨🇳 CHINA264♥♦4=+0
+3.1Round 13🇧🇷 BRAZIL204♠♦A-1+6
+2.9Round 11🇦🇺 AUSTRALIA273♦♣A-1+5
+2.9Round 11🇦🇺 AUSTRALIA284♠♠4+1+0
+2.8Round 2🇨🇦 CANADA64♥♣Q=-11
+2.7Round 7🇩🇰 DENMARK212♥♦3+1+7
+2.7Round 17🇦🇹 AUSTRIA213NT♣7-1+11
+2.6Round 9🇭🇺 HUNGARY171NT♠3+2+1
+2.6Round 12🇨🇭 SWITZERLAND56♥♦3=+0
+2.4Round 4🇮🇹 ITALY73♠♣A=+7
+2.3Round 2🇨🇦 CANADA72♠♦A=+6
+2.3Round 9🇭🇺 HUNGARY263NT♣3+1+0
+2.2Round 4🇮🇹 ITALY141NT♠2=+0
+2.2Round 8🇮🇳 INDIA93♥♦A=+6
+2.2Round 12🇨🇭 SWITZERLAND133♦♠A-1+16
+2.1Round 4🇮🇹 ITALY103♥♥2=+0
+2.1Round 9🇭🇺 HUNGARY201NT♥3=+2
+2.1Round 9🇭🇺 HUNGARY292♣♠Q+1-1
+2.1Round 15🇰🇼 KUWAIT293NT♥4-1-6
+1.9Round 2🇨🇦 CANADA124♥♦K=+3
+1.9Round 11🇦🇺 AUSTRALIA194♠♣2-1+6
+1.9Round 14🇫🇮 FINLAND155♥♦4=+8
+1.9Round 15🇰🇼 KUWAIT184♠♣Q-1+5
+1.8Round 1🇵🇱 POLAND134♥♦K+1+0
+1.7Round 1🇵🇱 POLAND103♦♥6-1+5
+1.7Round 3🇹🇷 TURKIYE243NT♠6+1+0
+1.6Round 8🇮🇳 INDIA13♦♣5=+1
+1.6Round 14🇫🇮 FINLAND163NT♠3+3-10
+1.4Round 14🇫🇮 FINLAND134♠♦2+1+0
+1.3Round 4🇮🇹 ITALY114♠x♣A-2+4
+1.3Round 5🇨🇳 CHINA184♠♥10+1+0
+1.3Round 7🇩🇰 DENMARK204♠♠6=-1
+1.3Round 13🇧🇷 BRAZIL222♠♣9+1+0
+1.2Round 15🇰🇼 KUWAIT313NT♠7+1+1
+1.1Round 3🇹🇷 TURKIYE203♦♥3+1+0
+1.1Round 10🇳🇴 NORWAY124♠♣J+1+0
+1.1Round 11🇦🇺 AUSTRALIA172♥♥9-1+3
+1.1Round 13🇧🇷 BRAZIL244♠♥K=+0
+1.0Round 11🇦🇺 AUSTRALIA296NT♥10+1+13
+0.9Round 4🇮🇹 ITALY66♥♥3=+13
+0.8Round 5🇨🇳 CHINA271NT♦3=+0
+0.8Round 12🇨🇭 SWITZERLAND154♥♦4+1+0
+0.7Round 14🇫🇮 FINLAND64♠♥J+1+13
+0.7Round 17🇦🇹 AUSTRIA283♦♣Q+1+1
+0.6Round 3🇹🇷 TURKIYE284♥♠Q=+0
+0.6Round 4🇮🇹 ITALY53♠♥J-1+5
+0.6Round 5🇨🇳 CHINA323♣♠J-4+9
+0.6Round 6🇫🇷 FRANCE163NT♦4+1-1
+0.5Round 3🇹🇷 TURKIYE274♥♠Q+1+0
+0.5Round 4🇮🇹 ITALY132♠♣9=+6
+0.5Round 6🇫🇷 FRANCE81NT♠2+1+0
+0.5Round 9🇭🇺 HUNGARY323NT♥Q=+1
+0.5Round 10🇳🇴 NORWAY133NT♥5+2+0
+0.4Round 1🇵🇱 POLAND27♦♦3=-2
+0.4Round 14🇫🇮 FINLAND143NT♥5+2+0
+0.3Round 1🇵🇱 POLAND164♥♣Q+2-11
+0.3Round 4🇮🇹 ITALY154♠♦9-2+5
+0.3Round 6🇫🇷 FRANCE23NT♥8-2+0
+0.3Round 12🇨🇭 SWITZERLAND64♥♠4=+6
+0.3Round 12🇨🇭 SWITZERLAND83♥♣10=+7
+0.3Round 14🇫🇮 FINLAND73NT♣Q+1+1
+0.3Round 14🇫🇮 FINLAND83NT♥5+1-11
+0.2Round 7🇩🇰 DENMARK233♣♥6=+0
+0.1Round 2🇨🇦 CANADA154♥♠2+2-13
+0.1Round 5🇨🇳 CHINA194♥♣A=+0
+0.1Round 8🇮🇳 INDIA64♠♠4+2-11
+0.1Round 9🇭🇺 HUNGARY183NT♥5+1+0
+0.1Round 9🇭🇺 HUNGARY313NT♠7-1+5
+0.1Round 10🇳🇴 NORWAY44♠♥7=+0
+0.1Round 10🇳🇴 NORWAY83♦♣Q-1-2
+0.1Round 14🇫🇮 FINLAND91NT♥2-1+2
+0.1Round 17🇦🇹 AUSTRIA291NT♠K+1+0
+0.0Round 1🇵🇱 POLAND44♥♠9=-1
+0.0Round 8🇮🇳 INDIA114♠♥7+1+1
+0.0Round 12🇨🇭 SWITZERLAND144♥♠Q=-8
-0.1Round 1🇵🇱 POLAND12♠♦2-1+2
-0.1Round 1🇵🇱 POLAND155♣♥A-1-5
-0.1Round 2🇨🇦 CANADA164♠♦6+1-8
-0.1Round 3🇹🇷 TURKIYE304♠♥K=+0
-0.1Round 17🇦🇹 AUSTRIA253NT♥K=-1
-0.2Round 7🇩🇰 DENMARK262♠♥2=+0
-0.2Round 13🇧🇷 BRAZIL314♠♥J=+0
-0.3Round 3🇹🇷 TURKIYE314♠♦A=+1
-0.3Round 17🇦🇹 AUSTRIA194♠♣3-1+2
-0.4Round 5🇨🇳 CHINA233NT♦J=-2
-0.5Round 3🇹🇷 TURKIYE294♠♦7=-1
-0.5Round 8🇮🇳 INDIA71NT♠3+1+10
-0.5Round 10🇳🇴 NORWAY112NT♠4-1-5
-0.5Round 12🇨🇭 SWITZERLAND24♠♥7+1+0
-0.5Round 12🇨🇭 SWITZERLAND114♠♥A=-1
-0.5Round 15🇰🇼 KUWAIT244♦♣A-2+1
-0.5Round 15🇰🇼 KUWAIT323NT♥Q+1+12
-0.6Round 5🇨🇳 CHINA253NT♠2=+1
-0.7Round 3🇹🇷 TURKIYE174♠♣2+1-11
-0.7Round 3🇹🇷 TURKIYE253♣♠J+2-6
-0.7Round 4🇮🇹 ITALY163NT♠2+1-1
-0.7Round 7🇩🇰 DENMARK324♠♥3+2+13
-0.7Round 8🇮🇳 INDIA82♦♦4=+1
-0.7Round 12🇨🇭 SWITZERLAND72♦♣4+1+0
-0.7Round 13🇧🇷 BRAZIL192♥♥5+1+0
-0.8Round 8🇮🇳 INDIA104♥♦4=-9
-0.8Round 11🇦🇺 AUSTRALIA183NT♥2+1+0
-0.9Round 4🇮🇹 ITALY13NT♥10+1-1
-0.9Round 4🇮🇹 ITALY43NT♠7=-2
-1.0Round 5🇨🇳 CHINA282♠♦K-1+0
-1.0Round 10🇳🇴 NORWAY62♠♣4-1-1
-1.1Round 6🇫🇷 FRANCE104♥♠6=+1
-1.1Round 7🇩🇰 DENMARK273NT♥10=+0
-1.1Round 9🇭🇺 HUNGARY221NT♠5=+0
-1.1Round 11🇦🇺 AUSTRALIA266♥♦5-2+7
-1.1Round 14🇫🇮 FINLAND103NT♥3+1+0
-1.1Round 15🇰🇼 KUWAIT223♠♥4-1+10
-1.2Round 8🇮🇳 INDIA43NT♣J-1-12
-1.2Round 11🇦🇺 AUSTRALIA314♠♣J+1+10
-1.3Round 2🇨🇦 CANADA144♠♣6=+0
-1.4Round 2🇨🇦 CANADA21NT♥2+4-9
-1.5Round 13🇧🇷 BRAZIL254♣♥A-1-5
-1.6Round 3🇹🇷 TURKIYE323NT♦6+1-1
-1.6Round 6🇫🇷 FRANCE145♦♠A+2-8
-1.7Round 4🇮🇹 ITALY23NT♦2+1+0
-1.7Round 5🇨🇳 CHINA204♥♠2-1+6
-1.7Round 5🇨🇳 CHINA313♠♣J+1-1
-1.7Round 6🇫🇷 FRANCE74♠♣A+1+0
-1.8Round 8🇮🇳 INDIA53NT♥Q+3+10
-1.8Round 10🇳🇴 NORWAY153NT♠3+2-1
-1.9Round 1🇵🇱 POLAND121NT♣5=+2
-1.9Round 13🇧🇷 BRAZIL292♦♣Q=+0
-1.9Round 15🇰🇼 KUWAIT212NT♣A-2-8
-2.0Round 11🇦🇺 AUSTRALIA324♥♠J-2-6
-2.1Round 2🇨🇦 CANADA54♠♣5+3-17
-2.1Round 13🇧🇷 BRAZIL274♠♦K-1-4
-2.1Round 13🇧🇷 BRAZIL282♥♠4+1-6
-2.2Round 5🇨🇳 CHINA291NT♥A=+1
-2.2Round 11🇦🇺 AUSTRALIA213♥♣8=+0
-2.3Round 6🇫🇷 FRANCE133NT♦10+3-1
-2.3Round 12🇨🇭 SWITZERLAND101NT♥A=+0
-2.3Round 17🇦🇹 AUSTRIA173NT♠2+1+0
-2.3Round 17🇦🇹 AUSTRIA205♠♦Q+1-12
-2.5Round 6🇫🇷 FRANCE64♥♣10-1-5
-2.5Round 7🇩🇰 DENMARK292NT♦2-1-5
-2.5Round 10🇳🇴 NORWAY103NT♦5-1-6
-2.7Round 12🇨🇭 SWITZERLAND14♥♣7-1-5
-2.7Round 14🇫🇮 FINLAND123NT♦5-1+0
-2.8Round 2🇨🇦 CANADA15♣x♦J-2-5
-2.8Round 10🇳🇴 NORWAY74♥♦K-1-6
-2.8Round 11🇦🇺 AUSTRALIA234♥♣2=-9
-2.8Round 13🇧🇷 BRAZIL236♥♦A+1+6
-2.9Round 17🇦🇹 AUSTRIA242NT♥3-2-5
-3.1Round 1🇵🇱 POLAND114♠♥K-2-5
-3.2Round 8🇮🇳 INDIA164♠♣3=+0
-3.3Round 2🇨🇦 CANADA93NT♥K+2-10
-3.3Round 17🇦🇹 AUSTRIA275♥x♦2=-5
-3.4Round 4🇮🇹 ITALY35♣♠2-3-6
-3.4Round 5🇨🇳 CHINA304♠♦A=-11
-3.7Round 4🇮🇹 ITALY94♣♠J-1-10
-3.7Round 9🇭🇺 HUNGARY283NT♠10-1-6
-3.7Round 11🇦🇺 AUSTRALIA204♥♣J-1-7
-3.7Round 12🇨🇭 SWITZERLAND93NT♦3+2-1
-3.9Round 2🇨🇦 CANADA114♠♦10+1-4
-3.9Round 14🇫🇮 FINLAND41NT♦K-1-11
-4.3Round 8🇮🇳 INDIA153♣♥A+1-10
-4.3Round 9🇭🇺 HUNGARY274♠♣8=-7
-4.5Round 7🇩🇰 DENMARK174♠♥A=+0
-4.5Round 10🇳🇴 NORWAY53♠♦9-1-6
-4.6Round 6🇫🇷 FRANCE14♠♥10-1-10
-4.6Round 7🇩🇰 DENMARK304♥♠K=-3
-4.6Round 8🇮🇳 INDIA35♠♦K+2-7
-4.7Round 12🇨🇭 SWITZERLAND34♠♣4-2-6
-4.8Round 4🇮🇹 ITALY83♠♦A=-1
-4.8Round 13🇧🇷 BRAZIL173NT♣2-2-6
-5.1Round 7🇩🇰 DENMARK222♦♣A-1-4
-5.1Round 8🇮🇳 INDIA125♣x♠K-1-7
-5.1Round 14🇫🇮 FINLAND13NT♥10-2-6
-5.2Round 3🇹🇷 TURKIYE194♥♥5+1+0
-5.6Round 3🇹🇷 TURKIYE234♥♣5+1+0
-5.9Round 1🇵🇱 POLAND53NT♦J=+0
-6.1Round 1🇵🇱 POLAND94♠♠8-1-5
-6.2Round 9🇭🇺 HUNGARY214♥♣Q-1-12
-6.3Round 1🇵🇱 POLAND83NT♥5+1-1
-6.3Round 10🇳🇴 NORWAY23NT♥Q-2-8
-6.5Round 2🇨🇦 CANADA84♠x♠9=-10
-7.0Round 3🇹🇷 TURKIYE264♥♠K=-10
-7.1Round 9🇭🇺 HUNGARY242♠x♠4-2-5
-7.1Round 12🇨🇭 SWITZERLAND43NT♥K+1+12
-7.2Round 14🇫🇮 FINLAND25♣♠A-1-12
-7.5Round 1🇵🇱 POLAND74♠♠3=-3
-7.9Round 2🇨🇦 CANADA43NT♦7-1-6
-7.9Round 6🇫🇷 FRANCE122♥♠Q+2-10
-8.1Round 14🇫🇮 FINLAND35♦x♠4-4-12
-8.1Round 17🇦🇹 AUSTRIA233♥♠A=-13
-8.2Round 12🇨🇭 SWITZERLAND122♥♠10+2-10
-8.5Round 9🇭🇺 HUNGARY195♣x♠A=-12
-8.6Round 13🇧🇷 BRAZIL266♥♣K+1+13
-8.9Round 3🇹🇷 TURKIYE213NT♠8-2-12
-8.9Round 6🇫🇷 FRANCE35♣♥Q-4-15
-9.8Round 14🇫🇮 FINLAND54♥x♦8-2-15
-10.6Round 15🇰🇼 KUWAIT174♠♠3=-12
-10.9Round 13🇧🇷 BRAZIL183NT♥4+1-7
-11.1Round 12🇨🇭 SWITZERLAND166♥x♦3-1-12
-14.1Round 4🇮🇹 ITALY123♣x♣6-4-14