ROH Seungjin · SEOUL

140rank
+34.6Butler · 168 bds
+0.21per board
±4.2swing
+0.24vs par /bd · #113/345
+0.12adjusted /bd
Butler per round: 6.8 -7.2 1.5 14.3 -6.3 4.8 8.2 0.4 0.2 11.2 -15.8 16.5by round

vs par split: bidding +0.01 · play +0.24

Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.12/bd

Card play — on target: opening leads 76.1% #234 of 345 · declarer play 88.7% #26 of 345 · defence 85.1% #167 of 345

Bidding activity — not a pass: 44.6% #133 of 345 (215/482)

Card play by contract type — on target
vs NTvs a suit
Opening leads53.8% (13)84.8% (33)
Declarer play86.7% (15)89.5% (38)
Defence83.3% (30)86.0% (57)

Opening leads by suit led: ♠ 76.9% (13) · ♥ 100.0% (11) · ♦ 46.2% (13) · ♣ 88.9% (9)

vs par by strain: NT -0.22 (54) · a suit +0.47 (114)

vs par by level: part-score +0.36 (59) · game +0.02 (96) · slam +1.39 (13)

By role: declaring +0.30/bd (-1.91 vs par · 81) · defending +0.11/bd (+2.25 vs par · 87)

By vulnerability: vulnerable +0.13/bd (+0.68 vs par · 84) · not vulnerable +0.28/bd (-0.19 vs par · 84)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.KangT.Brown – I.ThomsonOpen14+6.8+0.49+0.07
Round 2S.KangD.Miles – J.FeldmanOpen14-7.2-0.51-1.71
Round 3S.KangO.Schireson – L.BakerOpen14+1.5+0.11-0.14
Round 4S.KangJ.Kvocek – M.VodickaOpen14+14.3+1.02+2.57
Round 5S.KangM.Yuen – M.FourcaudotOpen14-6.3-0.45-1.14
Round 6S.KangC.Pellegrini – L.RizzoOpen14+4.8+0.34-1.57
Round 7S.KangF.Brondum – P.GraversenOpen14+8.2+0.59+1.86
Round 8S.KangA.Fuglestad – M.HardingOpen14+0.4+0.03+0.21
Round 9S.KangF.Boesgaard – J.JeppesenOpen14+0.2+0.01-1.71
Round 10S.KangA.Forfot – S.KarlbergOpen14+11.2+0.80+2.21
Round 11S.KangM.Villas-Boas – M.TomaOpen14-15.8-1.13+1.43
Round 12S.KangS.Bjerkset – J.FurunesOpen14+16.5+1.18+0.86

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
+11.4Round 10CORNELL236♦♥4=+12
+10.8Round 1BORDER GAVASKAR65♥♥9-2+13
+10.7Round 12NORWAY SENIOR265♦♦3+1+10
+9.8Round 8KATHRINE153NT♦4-2+13
+9.3Round 4CZECHOSLOVAKIA206♥♦6-1+17
+8.8Round 7PHARMASERVICE26♠♥A-1+12
+8.5Round 9AABENRAA BC44♠♥K-1+11
+8.2Round 10CORNELL185♠♥9=+13
+7.8Round 5SANTOSHA35♦♥Q=+7
+7.4Round 9AABENRAA BC113NT♥8=-1
+7.2Round 6REASON163NTx♠5-1+6
+6.6Round 4CZECHOSLOVAKIA263NT♣A+2+2
+6.1Round 3USA 1 WOMEN24♠♦7-1+12
+5.7Round 6REASON263NT♦8-2+8
+5.5Round 1BORDER GAVASKAR33♦♠K=+9
+5.5Round 8KATHRINE272♠♦Q+1+1
+5.3Round 6REASON274♥x♣A-2-3
+5.1Round 8KATHRINE184♠♠7+1+6
+5.1Round 12NORWAY SENIOR154♥♣2-2+6
+4.9Round 7PHARMASERVICE141NT♣4+2+6
+4.7Round 2TEAM CANADA266♦♠4+1+13
+4.5Round 4CZECHOSLOVAKIA195♣x♠J-2+5
+4.5Round 9AABENRAA BC33NT♠K-1+5
+4.4Round 4CZECHOSLOVAKIA213NT♥K-1+6
+4.4Round 12NORWAY SENIOR184♠x♣K-2+5
+4.3Round 2TEAM CANADA254♠♣T=+0
+4.3Round 8KATHRINE163♠♥J-2+6
+4.2Round 2TEAM CANADA243NT♥4=-11
+4.0Round 2TEAM CANADA276♠♥3=+0
+4.0Round 5SANTOSHA101NT♣5-2+3
+3.8Round 1BORDER GAVASKAR94♠♣J-2+8
+3.7Round 3USA 1 WOMEN102NT♠4+1+0
+3.6Round 1BORDER GAVASKAR24♠♥2+1+4
+3.4Round 7PHARMASERVICE83♠♣K-1+5
+3.3Round 4CZECHOSLOVAKIA244♠x♠5-2+4
+3.2Round 3USA 1 WOMEN123♦♥T+1+0
+3.1Round 3USA 1 WOMEN132♠♦Q+1+7
+3.0Round 9AABENRAA BC105♣♠K=+0
+3.0Round 10CORNELL153♥♠J-2-2
+3.0Round 11DRINTEAM64♠♥4-3+2
+2.6Round 7PHARMASERVICE131NT♥7+2+10
+2.6Round 11DRINTEAM34♠♦2-2+6
+2.5Round 1BORDER GAVASKAR53♥♥A-1-2
+2.4Round 10CORNELL264♠♥7+1+1
+2.2Round 6REASON202♠♣A=+6
+2.0Round 6REASON177♠♠J=+0
+1.9Round 6REASON153NT♥2=+0
+1.9Round 11DRINTEAM123♥♣T-1+2
+1.8Round 2TEAM CANADA154♠♥T-2+8
+1.8Round 5SANTOSHA73NT♠2+1+1
+1.8Round 10CORNELL161NT♠6-1+5
+1.7Round 3USA 1 WOMEN33♦♥K-2+0
+1.7Round 4CZECHOSLOVAKIA281NT♣3+3+2
+1.7Round 8KATHRINE284♥♦4=-1
+1.7Round 12NORWAY SENIOR163♥♣6+1-1
+1.6Round 5SANTOSHA82NT♥9-1+4
+1.6Round 12NORWAY SENIOR225♥♠K+1-1
+1.6Round 12NORWAY SENIOR251NT♣J+3+1
+1.4Round 10CORNELL203♣♠K+1+10
+1.4Round 11DRINTEAM103NT♦T+2+12
+1.2Round 4CZECHOSLOVAKIA153NT♠7=-2
+1.2Round 6REASON254♠♠2-1+5
+1.2Round 7PHARMASERVICE11NT♦Q=+5
+1.2Round 7PHARMASERVICE113NT♥7-1+5
+1.2Round 8KATHRINE263NT♠3-2+7
+1.2Round 11DRINTEAM23NT♦T=-2
+1.2Round 12NORWAY SENIOR194♠♦A+1+0
+1.1Round 12NORWAY SENIOR274♠x♥A-1+8
+1.0Round 2TEAM CANADA282♠♠J-1+2
+0.9Round 1BORDER GAVASKAR41NT♣A+2+10
+0.9Round 7PHARMASERVICE41NT♥2+1+1
+0.8Round 6REASON212♠♠T+1+0
+0.6Round 9AABENRAA BC124♥♣K+1+0
+0.6Round 10CORNELL283NT♥2+2+2
+0.5Round 1BORDER GAVASKAR121NT♠7+3-9
+0.5Round 9AABENRAA BC84♠♦K+2-8
+0.5Round 12NORWAY SENIOR244♠x♣J-1+0
+0.4Round 5SANTOSHA126♥♠8-1+11
+0.4Round 6REASON184♥♣K+1+0
+0.3Round 1BORDER GAVASKAR106♥x♦K-2+0
+0.3Round 8KATHRINE194♠♦7+2+11
+0.2Round 4CZECHOSLOVAKIA184♠♦A+3+17
+0.2Round 7PHARMASERVICE122♥♠9-1+2
-0.0Round 1BORDER GAVASKAR111NT♦7+2+6
+0.0Round 4CZECHOSLOVAKIA234♠♣6+1+13
+0.0Round 7PHARMASERVICE93NT♦5=+0
+0.0Round 8KATHRINE213NT♠5+3-11
+0.0Round 10CORNELL273NT♥5=+1
-0.2Round 5SANTOSHA14♥♠J+3+10
-0.4Round 2TEAM CANADA175♦x♣Q-1+0
-0.4Round 3USA 1 WOMEN94♠♣8+1+0
-0.4Round 5SANTOSHA144♠♠2+1-11
-0.4Round 6REASON283NT♦2=-1
-0.5Round 4CZECHOSLOVAKIA255♦♠A+1-10
-0.5Round 10CORNELL171NT♠2+1+0
-0.6Round 3USA 1 WOMEN44♦♠3=+9
-0.6Round 6REASON223♠♥6-1-3
-0.6Round 8KATHRINE204♥♥8=+0
-0.7Round 8KATHRINE234♥♠2+1+0
-0.8Round 2TEAM CANADA224♠♠3+2-1
-0.8Round 3USA 1 WOMEN64♥♦J=+0
-0.8Round 5SANTOSHA92♠♥A=+1
-0.8Round 9AABENRAA BC63♣♥6=+0
-0.9Round 3USA 1 WOMEN55♣♠K-1-5
-0.9Round 11DRINTEAM93NT♠2+1-7
-1.0Round 11DRINTEAM73♠♦J-1+1
-1.0Round 11DRINTEAM141NT♥K+2-2
-1.0Round 12NORWAY SENIOR203♥♠A-1+0
-1.1Round 3USA 1 WOMEN111NT♦T=-5
-1.1Round 9AABENRAA BC14♠♦K-1-4
-1.1Round 9AABENRAA BC52♦♦6+3-10
-1.1Round 9AABENRAA BC144♥♣A+1+0
-1.2Round 3USA 1 WOMEN13♥♠A-1-9
-1.2Round 10CORNELL194♦♣Q-1+5
-1.3Round 7PHARMASERVICE101NT♦T+3-9
-1.3Round 11DRINTEAM52♦♦3+1+0
-1.3Round 11DRINTEAM83♠♣A-1+2
-1.6Round 4CZECHOSLOVAKIA164♥♣T+2-9
-1.6Round 4CZECHOSLOVAKIA273NT♠J+1+1
-1.6Round 11DRINTEAM13NT♥J+3+10
-1.7Round 5SANTOSHA44♥♦K-2-7
-1.7Round 8KATHRINE252♠♦A+2-2
-1.7Round 12NORWAY SENIOR234♠♥K+1+0
-1.8Round 9AABENRAA BC94♥♦K+1-11
-1.9Round 12NORWAY SENIOR213NT♠K-1-5
-2.1Round 3USA 1 WOMEN143NT♦J+2+0
-2.1Round 10CORNELL213♣♦A=+0
-2.2Round 3USA 1 WOMEN72♥x♠Q-1-2
-2.2Round 5SANTOSHA24♥♦A=-11
-2.2Round 5SANTOSHA63NT♥A-1-4
-2.2Round 11DRINTEAM134♥♥J+1-4
-2.3Round 1BORDER GAVASKAR131NT♠9+1-5
-2.3Round 2TEAM CANADA231♠♣6+1-6
-2.3Round 7PHARMASERVICE72♠♣A+1+0
-2.5Round 2TEAM CANADA192♥♣5+1+0
-2.6Round 1BORDER GAVASKAR143NT♠4-2-5
-2.7Round 2TEAM CANADA216♦♥T+1-11
-2.8Round 5SANTOSHA52NT♣K-1+0
-2.8Round 10CORNELL244♠♥2-2-5
-3.0Round 12NORWAY SENIOR284♦♣A-2-9
-3.1Round 7PHARMASERVICE54♠♦T-1-10
-3.5Round 7PHARMASERVICE62♥♣8+1+0
-3.6Round 1BORDER GAVASKAR14♠x♥A=-10
-3.8Round 4CZECHOSLOVAKIA224♥♠3+2-1
-3.8Round 12NORWAY SENIOR173♥♣J+1-2
-3.9Round 5SANTOSHA136♦♠K-2-9
-3.9Round 8KATHRINE243NT♦5-3-11
-4.0Round 2TEAM CANADA184♥♠Q-1-5
-4.0Round 6REASON246♠♠2-1-10
-4.2Round 9AABENRAA BC131NT♠9-1-5
-4.4Round 10CORNELL254♠♣T-2-6
-4.8Round 7PHARMASERVICE33♣♦6+2-1
-5.2Round 2TEAM CANADA164♣♦3-1-10
-5.6Round 1BORDER GAVASKAR81NT♣4-2-6
-5.7Round 6REASON234NT♥9=-13
-5.7Round 9AABENRAA BC24♠♠7=+1
-6.6Round 10CORNELL223NT♠K-1-5
-7.0Round 1BORDER GAVASKAR74♠♦J-1-12
-7.0Round 3USA 1 WOMEN84♥x♦A-2-9
-7.5Round 11DRINTEAM44♥♣4+1+0
-7.7Round 5SANTOSHA113NT♠2-2-11
-8.5Round 9AABENRAA BC73NT♦4+2-2
-9.1Round 11DRINTEAM116♥♦K=+0
-9.3Round 2TEAM CANADA204♠♥2=-3
-9.4Round 4CZECHOSLOVAKIA175♦x♠8-3-9
-9.8Round 8KATHRINE225♣x♥A=-4
-10.8Round 8KATHRINE173NT♠5=-12
-11.2Round 6REASON196♥♦K-2-17