ROH Seungjin · SEOUL

40rank
+69.6Butler · 100 bds
+0.70per board
±4.2swing
+0.05vs par /bd · #182/398
+0.73adjusted /bd
Butler per round: 14.7 23 -5.9 20.5 31.4 7.1 7.8 -4.5 -25.5 1by round

vs par split: bidding +0.33 · play -0.28

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.73/bd

Card play — on target: opening leads 72.7% #319 of 397 · declarer play 76.7% #201 of 398 · defence 79.5% #314 of 398

Card play by contract type — on target
vs NTvs a suit
Opening leads37.5% (8)92.9% (14)
Declarer play83.3% (6)75.0% (24)
Defence80.0% (15)79.3% (29)

Opening leads by suit led: ♠ 20.0% (5) · ♥ 100.0% (5) · ♦ 100.0% (6) · ♣ 66.7% (6)

vs par by strain: NT +0.65 (23) · a suit -0.13 (77)

vs par by level: part-score +0.51 (37) · game +0.54 (54) · slam -4.78 (9)

By role: declaring +0.74/bd (-1.84 vs par · 56) · defending +0.65/bd (+2.46 vs par · 44)

By vulnerability: vulnerable +0.85/bd (+0.04 vs par · 50) · not vulnerable +0.54/bd (+0.06 vs par · 50)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.KangM.Lorber – N.GartaganisClosed10+14.7+1.47-2.00
Round 2S.KangA.Tebha – S.DinkinOpen10+23.0+2.30+2.80
Round 3S.KangM.Kaleta – W.OkuniewskiClosed10-5.9-0.59-2.00
Round 4S.KangF.Piedra – P.ZimmermannClosed10+20.5+2.05+3.40
Round 5S.KangB.Handley-Pritchard – O.BurgessClosed10+31.4+3.14+0.80
Round 6S.KangP.Crouch – E.BergOpen10+7.1+0.71-1.10
Round 7S.KangP.Lawrence – O.LawrenceOpen10+7.8+0.78+1.00
Round 8S.KangW.Gawel – R.JagniewskiClosed10-4.5-0.45+0.60
Round 9S.KangA.Madala – D.BildeClosed10-25.5-2.55-3.60
Round 10S.KangG.Narkiewicz – K.BurasClosed10+1.0+0.10+0.60

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
+10.6Round 5SANDFIA182♥x♥8+1+12
+9.7Round 2DINKIN126♥♠7-2+11
+9.7Round 8APRES BRIDGE CHAMPS24♠♥7=+10
+9.5Round 4ZIMMERMANN104♠x♦Q=+5
+9.2Round 5SANDFIA116♥♣10=+0
+8.7Round 6ORCA234♠♥J+1+1
+7.1Round 5SANDFIA146♥♠10=+0
+6.9Round 1TEAM CANADA36♦♠7=-11
+6.5Round 7PERICULO93♠♣K+1+7
+6.4Round 2DINKIN205♥♠Q=+10
+6.1Round 3SPS EKO ROZANKA281NT♠5+1+7
+5.5Round 4ZIMMERMANN33♥♦10=+7
+5.3Round 9LEBOWITZ144♥♣J-3+6
+4.6Round 4ZIMMERMANN85♦♠A=+0
+4.4Round 1TEAM CANADA73♠♥9=+6
+4.4Round 10ODMET224♠♦9-1+5
+4.3Round 7PERICULO14♠♦J=+1
+4.0Round 2DINKIN113♠♥K-2+5
+4.0Round 6ORCA214♥♦3-2+11
+4.0Round 10ODMET233NT♥3=+0
+3.9Round 7PERICULO84♠♦5+2+11
+3.7Round 5SANDFIA124♠♦K-1+5
+3.2Round 6ORCA305♥♦A-2+0
+3.2Round 10ODMET265♣♠4+2+4
+3.1Round 2DINKIN133♣♥A-1+6
+3.0Round 2DINKIN175♠♣6-2+9
+2.7Round 2DINKIN142♠♣5-2+8
+2.6Round 1TEAM CANADA84♥♦J-1+4
+2.6Round 7PERICULO73♠♣6=-10
+2.4Round 1TEAM CANADA42♥♠K=+0
+2.4Round 8APRES BRIDGE CHAMPS14♠♣K-1+5
+2.2Round 9LEBOWITZ114♥♦J-3+7
+2.0Round 10ODMET282NT♥Q+1+1
+1.9Round 3SPS EKO ROZANKA262♠♦Q=+6
+1.9Round 7PERICULO22NT♣4-1+5
+1.4Round 4ZIMMERMANN44♣♠10-3+8
+1.4Round 5SANDFIA164♣♦5-1+2
+1.4Round 7PERICULO54NT♥10+2+14
+1.3Round 2DINKIN152♥♦2-1-1
+1.3Round 5SANDFIA204♠♣K+1-13
+1.3Round 6ORCA244♠♥8-1+5
+1.2Round 3SPS EKO ROZANKA231NT♦2=+0
+1.2Round 3SPS EKO ROZANKA244♠♠3=+0
+1.2Round 7PERICULO43♦♥Q+1+0
+1.1Round 1TEAM CANADA101NT♣A+1+1
+1.0Round 8APRES BRIDGE CHAMPS63NT♠4+1+13
+1.0Round 10ODMET275♣♦K+2+14
+0.9Round 4ZIMMERMANN13♥♠Q=+0
+0.7Round 1TEAM CANADA54♠♥10-2-5
+0.6Round 6ORCA225♦♠K-2+0
+0.5Round 4ZIMMERMANN25♥♥6+1+11
+0.5Round 5SANDFIA194♠♦5+1+1
+0.3Round 5SANDFIA153NT♥K+2+1
+0.2Round 1TEAM CANADA94♠♣4-1-3
+0.2Round 2DINKIN193♠♥A-2-5
+0.2Round 4ZIMMERMANN52♥♦A-1+4
+0.2Round 4ZIMMERMANN64♣♠Q=+0
+0.2Round 5SANDFIA131NT♠8=+1
+0.2Round 10ODMET303NT♣2+1+0
+0.0Round 1TEAM CANADA14♠♦K=+0
-0.1Round 4ZIMMERMANN73NT♠8+1-1
-0.3Round 3SPS EKO ROZANKA274♥♠3=-1
-0.3Round 6ORCA271NT♣3=-1
-0.4Round 10ODMET295♥♦K=+0
-0.5Round 9LEBOWITZ174♠♣3+1+0
-0.7Round 3SPS EKO ROZANKA293NT♣3=+0
-0.8Round 6ORCA256♠♥A+1-11
-0.9Round 3SPS EKO ROZANKA223NT♠7+1-4
-1.0Round 8APRES BRIDGE CHAMPS72♠♣5+2-1
-1.1Round 1TEAM CANADA64♠♥A-2-5
-1.1Round 9LEBOWITZ154♠♣J+1+0
-1.1Round 10ODMET243NT♣7+2+0
-1.2Round 3SPS EKO ROZANKA254♥♣4+2-11
-1.2Round 9LEBOWITZ135♣♥4-2-2
-1.3Round 6ORCA264♠♥6+1+0
-1.5Round 8APRES BRIDGE CHAMPS52NT♥6=+1
-1.5Round 8APRES BRIDGE CHAMPS83♠♣A+1-6
-1.9Round 7PERICULO104♥♠K+2-13
-2.1Round 6ORCA283♥♥10=-6
-2.1Round 8APRES BRIDGE CHAMPS33♠♣J-1+2
-2.2Round 4ZIMMERMANN96♠♣A=+0
-2.2Round 9LEBOWITZ206♥♠A-2-14
-2.5Round 1TEAM CANADA23♥♣3+2-7
-2.5Round 9LEBOWITZ183NT♠8+1+0
-2.7Round 3SPS EKO ROZANKA302NT♦A-1-4
-2.9Round 2DINKIN186♥♣K-1-5
-2.9Round 5SANDFIA174♣♣2+1-1
-3.2Round 8APRES BRIDGE CHAMPS103♣♣6+1-10
-4.1Round 8APRES BRIDGE CHAMPS43NT♦Q-1-6
-4.2Round 8APRES BRIDGE CHAMPS92♥♥6-4-2
-4.5Round 2DINKIN164♥♠A-1-10
-4.5Round 7PERICULO34♠♣10-1-5
-5.1Round 9LEBOWITZ191NT♥5=-6
-5.8Round 10ODMET255♣x♠5-1-11
-6.2Round 6ORCA293♦♣Q=-10
-6.5Round 10ODMET213NT♥2=-7
-7.6Round 7PERICULO63NT♦8+1+0
-10.2Round 9LEBOWITZ125♥♠A-1-15
-10.2Round 9LEBOWITZ164♠x♦A-3-12
-10.5Round 3SPS EKO ROZANKA216♠♣2-1-13