ROH Seungjin · SEOUL

198rank
+34.1Butler · 112 bds
+0.30per board
±4.0swing
+0.15vs par /bd · #301/675
+0.50adjusted /bd
Butler per round: -3.7 -21.7 -3.9 2.3 42.5 2.5 11.5 4.6by round

vs par split: bidding +0.04 · play +0.11

Strength of schedule: opponents averaged +0.20/bd (a tough draw) → opponent-adjusted +0.50/bd

Card play — on target: opening leads 76.0% #335 of 675 · declarer play 76.7% #327 of 675 · defence 88.0% #247 of 675

Bidding activity — not a pass: 38.9% #549 of 675 (122/314)

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)80.0% (15)
Declarer play81.8% (11)73.7% (19)
Defence90.0% (20)86.7% (30)

Opening leads by suit led: ♠ 66.7% (9) · ♥ 85.7% (7) · ♦ 100.0% (4) · ♣ 60.0% (5)

vs par by strain: NT +0.61 (44) · a suit -0.15 (68)

vs par by level: part-score +1.08 (36) · game -0.46 (72) · slam +2.75 (4)

By role: declaring +0.33/bd (-2.11 vs par · 62) · defending +0.28/bd (+2.96 vs par · 50)

By vulnerability: vulnerable +0.32/bd (+0.48 vs par · 56) · not vulnerable +0.29/bd (-0.18 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.KangI.Kowalczyk – A.SzymczakOpen14-3.7-0.26+0.57
Round 2S.KangZ.Shi – C.JuOpen14-21.7-1.55-3.79
Round 3S.KangA.Manno – A.PalmaOpen14-3.9-0.28-0.57
Round 4S.KangJ.Ochoa – G.HerreraOpen14+2.3+0.16-0.57
Round 5S.KangK.Lewandowski – T.KalinowskiOpen14+42.5+3.04+4.64
Round 6S.KangM.Smolen – J.WodzynskaOpen14+2.5+0.18+1.43
Round 7S.KangM.Guendel – T.GotardOpen14+11.5+0.82+0.64
Round 8S.KangB.Pazur – M.WojcickiOpen14+4.6+0.33-1.14

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
+9.2Round 4RUWAYEH273NT♠3-1+10
+8.8Round 3OVERDECK23NT♥5=+3
+8.3Round 4RUWAYEH264♠♦3-1+12
+8.2Round 1MESCO BYTOM24♥♠K=-1
+7.7Round 7BV WALDSOLMS103NT♣J+1+0
+7.6Round 3OVERDECK103NT♦A=+0
+6.9Round 5VISTULA TEAM23NT♣A-2+11
+6.5Round 8SILESIA GLIWICE275♣♥J=+3
+6.3Round 5VISTULA TEAM84♥♠Q=+7
+6.0Round 4RUWAYEH153♦♦6=+8
+5.9Round 5VISTULA TEAM43NT♣2-1+12
+5.5Round 5VISTULA TEAM94♦♣4-4+6
+5.0Round 7BV WALDSOLMS73♠♥6-1+11
+4.9Round 5VISTULA TEAM142♦x♦6-3+3
+4.5Round 7BV WALDSOLMS113NT♥J-2+6
+4.4Round 6GDANSK154♠♣2=+11
+4.3Round 1MESCO BYTOM93♠♠4-2+9
+4.3Round 2CHINA OPEN TEAM 1173NT♠9+2+1
+4.1Round 5VISTULA TEAM63NT♥5+4+2
+3.9Round 8SILESIA GLIWICE251NT♥9-2+3
+3.7Round 2CHINA OPEN TEAM 1195♣♦A=+0
+3.7Round 2CHINA OPEN TEAM 1214♥♠5-1+5
+3.5Round 6GDANSK203♦♠3=+12
+3.4Round 7BV WALDSOLMS44♠♣A-1+12
+3.3Round 5VISTULA TEAM123NT♠J-1+10
+3.3Round 6GDANSK243NT♦4+1+1
+3.1Round 6GDANSK281NT♠Q-3+1
+3.0Round 8SILESIA GLIWICE264♥♣7+1+0
+2.7Round 1MESCO BYTOM144♠♣K-2+5
+2.7Round 8SILESIA GLIWICE203NT♦Q+2+0
+2.3Round 6GDANSK252♥♣J=-1
+2.2Round 4RUWAYEH163NT♣2+2+1
+2.2Round 7BV WALDSOLMS83NT♣6-1+5
+2.1Round 1MESCO BYTOM32♥♠2+2-1
+2.1Round 1MESCO BYTOM84♠♥5-1+5
+1.9Round 8SILESIA GLIWICE182NT♥2-1+4
+1.9Round 8SILESIA GLIWICE193♦♥J+1+0
+1.8Round 1MESCO BYTOM13NT♠5-2+5
+1.7Round 2CHINA OPEN TEAM 1235♣♥K+1-10
+1.7Round 5VISTULA TEAM113NT♥6=+0
+1.5Round 5VISTULA TEAM73NT♠7+3+13
+1.4Round 3OVERDECK144♥♦A=+3
+1.4Round 4RUWAYEH284♠♥J+1+0
+1.4Round 5VISTULA TEAM13NT♣J+1+0
+1.3Round 4RUWAYEH252♠♦K=-1
+1.2Round 7BV WALDSOLMS34♠♦J-1-2
+1.0Round 3OVERDECK13NT♦3=+0
+0.7Round 3OVERDECK34♥♦K+2-11
+0.7Round 5VISTULA TEAM101NT♥J=+5
+0.7Round 5VISTULA TEAM133♠♥6+1+1
+0.7Round 6GDANSK223NT♥5+2+0
+0.7Round 8SILESIA GLIWICE174♠♣T+1-8
+0.6Round 5VISTULA TEAM34♥♣6+1+0
+0.3Round 2CHINA OPEN TEAM 1161NT♦9=+5
+0.3Round 3OVERDECK123♦♣6-1+4
+0.2Round 6GDANSK233NT♣Q+1+1
+0.1Round 4RUWAYEH202NT♣Q=+0
+0.1Round 8SILESIA GLIWICE244♠♥9=-1
-0.0Round 3OVERDECK116♣♦Q+1+11
-0.0Round 7BV WALDSOLMS63♣♥8+1+0
-0.1Round 3OVERDECK93NT♦Q-2+8
-0.1Round 7BV WALDSOLMS25♣♠K=-11
-0.2Round 7BV WALDSOLMS14♠♥5+1+0
-0.3Round 2CHINA OPEN TEAM 1153NT♠2=-1
-0.3Round 6GDANSK193NT♥3+1+0
-0.3Round 6GDANSK273NT♥7+3-10
-0.5Round 2CHINA OPEN TEAM 1283NT♥3+1+0
-0.7Round 2CHINA OPEN TEAM 1254♥♠4=-1
-0.7Round 7BV WALDSOLMS52♠♥5=-1
-0.7Round 8SILESIA GLIWICE232♠♣J+1+0
-0.8Round 8SILESIA GLIWICE164♥♣K+2-11
-0.9Round 1MESCO BYTOM73♠♥3=+10
-1.0Round 1MESCO BYTOM102♥♦J+1-10
-1.0Round 1MESCO BYTOM114♠♣J=+1
-1.0Round 5VISTULA TEAM53NT♥K-1-5
-1.0Round 8SILESIA GLIWICE152♠♣T+1-1
-1.1Round 7BV WALDSOLMS93NT♣4-1-5
-1.3Round 3OVERDECK43♥♠A=+0
-1.6Round 4RUWAYEH184♠♥6+1-13
-1.6Round 6GDANSK263♣♦2=-9
-1.8Round 3OVERDECK71NT♠7+1-1
-1.9Round 1MESCO BYTOM124♥♦K=+0
-1.9Round 6GDANSK215♣♠3-2-2
-2.0Round 3OVERDECK83♣♠J=+0
-2.1Round 1MESCO BYTOM46♠♥T+1+13
-2.1Round 2CHINA OPEN TEAM 1242♦♥K+1+0
-2.1Round 3OVERDECK133♥♦6-1-5
-2.1Round 8SILESIA GLIWICE224♠♥2=+0
-2.4Round 4RUWAYEH211NT♥4-1+0
-2.5Round 4RUWAYEH244♠♦T-1-10
-2.7Round 7BV WALDSOLMS132♥♣A+2+1
-2.9Round 7BV WALDSOLMS123NT♥5+1+0
-3.3Round 2CHINA OPEN TEAM 1274♠♥6-1-5
-3.3Round 6GDANSK184♥♣6+1+11
-3.4Round 2CHINA OPEN TEAM 1181NT♠2-1-5
-3.6Round 4RUWAYEH233NT♠7-1-12
-3.8Round 4RUWAYEH223♣♠K=-5
-3.8Round 6GDANSK164♥♠3=+5
-3.8Round 6GDANSK175♠x♦K-2+0
-4.2Round 8SILESIA GLIWICE215♥x♠A-2-5
-4.5Round 2CHINA OPEN TEAM 1206♥♣4-1-13
-4.5Round 4RUWAYEH174NT♥4+2-1
-4.8Round 7BV WALDSOLMS144♣♠Q+1-7
-5.0Round 1MESCO BYTOM133NT♠5=-10
-6.4Round 1MESCO BYTOM53NT♦5+1-7
-6.6Round 1MESCO BYTOM64NT♠J=-11
-7.3Round 8SILESIA GLIWICE287♠♣Q=+0
-7.4Round 3OVERDECK64♠♦K=-8
-7.8Round 4RUWAYEH192♣x♦K-3+3
-9.0Round 3OVERDECK53NT♣2-1-12
-10.0Round 2CHINA OPEN TEAM 1225♥♣5+2-14
-10.6Round 2CHINA OPEN TEAM 1264♠♣4-6-15