ROH Seungjin · SEOUL OPEN

356rank
-7.6Butler · 150 bds
-0.05per board
±4.5swing
+0.32vs par /bd · #183/567
-0.13adjusted /bd
Butler per round: -9.9 -0.9 8.5 -0.4 0 -32.4 -3.1 36.3 -13.8 -1.3 4.7 -19.2 12.3 1.7 9.9by round

vs par split: bidding +0.50 · play -0.15

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.13/bd

Card play — on target: opening leads 82.1% #224 of 567 · declarer play 89.7% #30 of 567 · defence 76.1% #509 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads76.9% (13)84.6% (26)
Declarer play75.0% (8)93.5% (31)
Defence65.2% (23)81.8% (44)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 66.7% (12) · ♦ 100.0% (11) · ♣ 77.8% (9)

vs par by strain: NT +0.70 (46) · a suit +0.18 (103)

vs par by level: part-score +0.33 (64) · game +0.33 (73) · slam +0.50 (12)

By role: declaring -0.17/bd (-1.26 vs par · 82) · defending +0.09/bd (+2.22 vs par · 68)

By vulnerability: vulnerable -0.20/bd (+0.19 vs par · 75) · not vulnerable +0.09/bd (+0.45 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.KimJ.Li – J.HuOpen10-9.9-0.99-0.40
Round 2D.KimH.Wang – C.NieOpen10-0.9-0.09+1.80
Round 3D.KimB.Dey – S.BasuClosed10+8.5+0.85-0.10
Round 4D.KimD.Willis – M.YuenClosed10-0.4-0.04-0.50
Round 5D.KimY.Guan – W.WangOpen10+0.0+0.00+0.50
Round 6D.KimA.Comella – S.SabbatiniOpen10-32.4-3.24-4.70
Round 7D.KimC.Zhu – X.BaoClosed10-3.1-0.31-1.70
Round 8D.KimS.Punch – L.BildeClosed10+36.3+3.63+3.30
Round 9D.KimJ.Bian – N.LiuClosed10-13.8-1.38+2.00
Round 10D.KimD.Wang – X.ZouClosed10-1.3-0.13+2.00
Round 11D.KimJ.Wang – T.ZhouOpen10+4.7+0.47+0.90
Round 12D.KimH.Zhang – L.HeClosed10-19.2-1.92-1.60
Round 13D.KimD.Berkowitz – A.SontagClosed10+12.3+1.23+2.80
Round 14D.KimH.Liu – Y.ZhangOpen10+1.7+0.17+1.80
Round 15D.KimJ.Liu – F.ShiOpen10+9.9+0.99-1.30

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
+11.9Round 3INDIA TSANGPO266♥♠J=+0
+10.9Round 8SCOTMARK116♠♥A-1+11
+10.5Round 15GUIZHOU ZHENGYE274♥x♦A+1+11
+10.4Round 8SCOTMARK186♦♣5-1+13
+9.5Round 7CHINA JUNIORS66♦x♣A-1+11
+9.2Round 15GUIZHOU ZHENGYE294♥x♠K=+7
+7.6Round 11HONG PRAISE TEAM113NTx♠9=+10
+7.1Round 7CHINA JUNIORS53NT♦3=+7
+6.8Round 10BEIJINGXUGUANG23♠♥A+1+8
+6.6Round 11HONG PRAISE TEAM154♠♦5-1+13
+6.2Round 13USA 2 Seniors33NT♣J+1+0
+6.1Round 8SCOTMARK193NT♥2-3+11
+6.0Round 13USA 2 Seniors85♦♣J+1+11
+5.9Round 5JXBA194♠♦3-3+7
+5.9Round 15GUIZHOU ZHENGYE223NT♥6=+0
+5.7Round 4WE THE NORTH43NT♠J+2+0
+5.7Round 8SCOTMARK126♣♥10=-2
+5.2Round 3INDIA TSANGPO294♠♥J=+10
+4.4Round 5JXBA133NT♦5=-1
+4.3Round 13USA 2 Seniors54♥♠8=+11
+4.2Round 9CHINA XHJT214♥♦A=+0
+4.0Round 11HONG PRAISE TEAM193NT♥9=+0
+3.9Round 5JXBA142♥♦A=-1
+3.7Round 2NEIMENGGU114♥♣A-2+8
+3.7Round 5JXBA123♣♠A-1+5
+3.7Round 9CHINA XHJT283♥♠8=+2
+3.7Round 10BEIJINGXUGUANG42♠♥5=+6
+3.6Round 1JSQX NJZS BRIDGECLUB32NT♦9-1+5
+3.6Round 8SCOTMARK203NT♥2-2+7
+3.5Round 14HENGZHOU FINANCE133♠♦6-1+5
+3.3Round 2NEIMENGGU154♥♣3=+6
+3.3Round 13USA 2 Seniors22♠♣2=+12
+3.2Round 3INDIA TSANGPO232♥♦4=+0
+3.2Round 7CHINA JUNIORS33NT♣A-1+5
+3.1Round 2NEIMENGGU163♦♠10=+0
+3.1Round 3INDIA TSANGPO272♥♠2+2+4
+2.8Round 6ITALY Seniors213NT♥J-1-4
+2.7Round 13USA 2 Seniors103♠♣4-1-1
+2.6Round 7CHINA JUNIORS23NT♥A-1+5
+2.5Round 2NEIMENGGU131NT♦K+2+1
+2.3Round 10BEIJINGXUGUANG102♠♥10+1+1
+2.3Round 14HENGZHOU FINANCE201NT♦2=+6
+2.2Round 4WE THE NORTH82♥♣10=+0
+2.2Round 7CHINA JUNIORS104♥♥3-1-1
+2.1Round 14HENGZHOU FINANCE141NT♠5+2+1
+1.9Round 8SCOTMARK174♥♠A-1-2
+1.9Round 12SANMING EDUCATION211NT♠3-2+3
+1.8Round 9CHINA XHJT305♠♦Q-1+10
+1.7Round 14HENGZHOU FINANCE174♠♦10+1+0
+1.5Round 1JSQX NJZS BRIDGECLUB24♦♥A=+0
+1.5Round 14HENGZHOU FINANCE124♠♣K+1+1
+1.5Round 14HENGZHOU FINANCE164♠♥A-1+5
+1.4Round 10BEIJINGXUGUANG9Pass-3
+1.4Round 11HONG PRAISE TEAM124♥♦J=+0
+1.1Round 2NEIMENGGU202NT♥7+1+8
+0.9Round 9CHINA XHJT234♥x♦A-3+14
+0.9Round 13USA 2 Seniors43♣♥4-1+0
+0.7Round 8SCOTMARK133♠♦3-1+1
+0.7Round 12SANMING EDUCATION263♥♦Q=+0
+0.7Round 12SANMING EDUCATION284♥♦10+1-11
+0.6Round 1JSQX NJZS BRIDGECLUB13♠♣3+1+6
+0.6Round 4WE THE NORTH34♥♠K+2+11
+0.6Round 6ITALY Seniors232♥♣5=-1
+0.5Round 8SCOTMARK153NT♣6=+1
+0.5Round 11HONG PRAISE TEAM143♣♥8+2-1
+0.4Round 4WE THE NORTH54♠♦J+1+1
+0.4Round 4WE THE NORTH92♥♠A-1-5
+0.4Round 11HONG PRAISE TEAM202♠♦5=+0
+0.3Round 2NEIMENGGU124♥♦5-1+10
+0.3Round 3INDIA TSANGPO304♥♠A+1+0
+0.3Round 4WE THE NORTH14♥♠K+1+0
+0.2Round 5JXBA113♠♦9=+0
+0.2Round 7CHINA JUNIORS13♥♦6-1-2
+0.2Round 13USA 2 Seniors73NT♥Q=-2
+0.1Round 3INDIA TSANGPO223NT♥10-1+5
+0.1Round 5JXBA163♣♠Q=+7
-0.0Round 1JSQX NJZS BRIDGECLUB101NT♥3+1+0
-0.0Round 8SCOTMARK143NT♣7+2+0
-0.1Round 4WE THE NORTH73♠♣K+1-1
-0.2Round 10BEIJINGXUGUANG33♣♦10+2+6
-0.2Round 11HONG PRAISE TEAM182♠♣2=+0
-0.2Round 15GUIZHOU ZHENGYE243NT♠A+2+0
-0.3Round 2NEIMENGGU173♠♥A=+7
-0.3Round 3INDIA TSANGPO245♦♥4=-2
-0.3Round 7CHINA JUNIORS71NT♦7-1+0
-0.3Round 9CHINA XHJT272♠♥A+1-7
-0.4Round 12SANMING EDUCATION242NT♥10-4+6
-0.5Round 1JSQX NJZS BRIDGECLUB71NT♥5=-1
-0.5Round 9CHINA XHJT263NT♥4+2+12
-0.6Round 2NEIMENGGU143♦♥2=-5
-0.7Round 14HENGZHOU FINANCE193♦♠6-1+0
-0.8Round 6ITALY Seniors253NT♥9-1-5
-0.9Round 6ITALY Seniors221♥♦Q+2+0
-0.9Round 12SANMING EDUCATION292NT♣3+2-2
-0.9Round 13USA 2 Seniors93NT♥5+2-2
-1.0Round 10BEIJINGXUGUANG86NT♦6+1+11
-1.3Round 11HONG PRAISE TEAM162♥♠6+1+0
-1.4Round 15GUIZHOU ZHENGYE253NT♠9+2-1
-1.6Round 4WE THE NORTH101NT♠5+1-1
-1.6Round 6ITALY Seniors281NT♦6+2+0
-1.6Round 9CHINA XHJT293♠♣4+1+1
-1.9Round 14HENGZHOU FINANCE113NT♣8=+1
-2.0Round 4WE THE NORTH62♥♦5-2-3
-2.1Round 1JSQX NJZS BRIDGECLUB63♥♣6=+7
-2.3Round 1JSQX NJZS BRIDGECLUB92♦♣A+2+2
-2.4Round 10BEIJINGXUGUANG64♠♣10-1-6
-2.5Round 15GUIZHOU ZHENGYE283NT♥J+3-11
-2.6Round 12SANMING EDUCATION256♥♣A=+11
-2.7Round 14HENGZHOU FINANCE184♥♠10=-3
-2.7Round 15GUIZHOU ZHENGYE212♥♠7+1+0
-2.7Round 15GUIZHOU ZHENGYE264♦♥9=-11
-2.8Round 12SANMING EDUCATION304♠x♦3-1-6
-2.8Round 15GUIZHOU ZHENGYE303NT♠7-1-5
-2.9Round 1JSQX NJZS BRIDGECLUB52♣♣8+2-7
-2.9Round 6ITALY Seniors243NT♣3-1-4
-3.1Round 1JSQX NJZS BRIDGECLUB84♠♥4-1-10
-3.1Round 10BEIJINGXUGUANG73NT♥6=+0
-3.3Round 10BEIJINGXUGUANG54♥♠6-2+0
-3.4Round 5JXBA151NT♥Q=+0
-3.4Round 15GUIZHOU ZHENGYE233NT♠K-2-3
-3.5Round 3INDIA TSANGPO253♦♦8=+0
-3.5Round 8SCOTMARK165♦♥2-2-7
-3.5Round 13USA 2 Seniors14♥♦Q=+0
-3.6Round 5JXBA181NT♠6+1+1
-3.8Round 3INDIA TSANGPO213♥♠K=-7
-3.9Round 2NEIMENGGU184♠♣K-3-6
-4.3Round 7CHINA JUNIORS93♠♥K-3-15
-4.6Round 9CHINA XHJT243♥♦6=-2
-4.7Round 1JSQX NJZS BRIDGECLUB42♠♣9-1-6
-4.7Round 6ITALY Seniors262♥♦2-3-5
-4.7Round 12SANMING EDUCATION226♥♣4+1-1
-5.1Round 5JXBA204♠♣2-1-6
-5.2Round 11HONG PRAISE TEAM134♥♠7=-10
-5.5Round 10BEIJINGXUGUANG12♦x♠8=-3
-5.5Round 12SANMING EDUCATION234♥♥J-1-6
-5.6Round 12SANMING EDUCATION274♠♥J-1-10
-5.6Round 14HENGZHOU FINANCE154♠♥4-1+2
-5.7Round 6ITALY Seniors275♥x♠J-2+0
-6.1Round 5JXBA174♠♥4=-7
-6.3Round 4WE THE NORTH26♥x♣K-1-7
-6.6Round 6ITALY Seniors305♥x♠A-1-11
-6.8Round 9CHINA XHJT223NT♣10+1-7
-6.9Round 13USA 2 Seniors64♥♠6+1-1
-7.7Round 3INDIA TSANGPO286♣♠Q-1-11
-9.1Round 11HONG PRAISE TEAM174♥x♦3-3-3
-9.7Round 7CHINA JUNIORS83NT♦Q-1-14
-10.1Round 2NEIMENGGU193NT♠8-4-11
-10.6Round 9CHINA XHJT252♦x♠K-4-3
-12.6Round 6ITALY Seniors297♠♦J-1-17
-13.6Round 7CHINA JUNIORS46♦♠3=-13