KOTOROWICZ Jakub · POLAND

579rank
-57.3Butler · 149 bds
-0.38per board
±4.6swing
-0.87vs par /bd · #622/695
-0.06adjusted /bd
Butler per round: 4.2 -3.3 -3.3 0.7 5.6 8.9 -46.1 -12.7 -3.4 26.8 -8.6 -45.3 23.4 6.8 -11by round

vs par split: bidding -0.32 · play -0.54

Strength of schedule: opponents averaged +0.32/bd (a tough draw) → opponent-adjusted -0.06/bd

Card play — on target: opening leads 83.7% #215 of 694 · declarer play 77.3% #269 of 694 · defence 88.6% #141 of 695

Card play by contract type — on target
vs NTvs a suit
Opening leads58.3% (12)93.5% (31)
Declarer play57.1% (7)81.1% (37)
Defence84.2% (19)90.2% (51)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 69.2% (13) · ♦ 87.5% (8) · ♣ 100.0% (13)

vs par by strain: NT -2.05 (38) · a suit -0.46 (111)

vs par by level: part-score -0.64 (55) · game -1.20 (87) · slam +1.43 (7)

By role: declaring -0.49/bd (-3.02 vs par · 79) · defending -0.27/bd (+1.57 vs par · 70)

By vulnerability: vulnerable -0.64/bd (-1.75 vs par · 71) · not vulnerable -0.15/bd (-0.06 vs par · 78)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.MiechowiczP.Kroezen – M.Van Der ListOpen10+4.2+0.42+0.60
Round 2P.MiechowiczR.Schwartz – L.FisherOpen9-3.3-0.37-1.33
Round 3P.MiechowiczT.Teramoto – K.ShimamuraOpen10-3.3-0.33-0.30
Round 4P.MiechowiczM.Van Os – P.WormOpen10+0.7+0.07-1.10
Round 5P.MiechowiczG.Paulissen – J.JansmaOpen10+5.6+0.56-0.40
Round 6P.MiechowiczT.Bakkeren – F.BakkerenOpen10+8.9+0.89+0.80
Round 7P.MiechowiczE.Rodwell – J.MeckstrothOpen10-46.1-4.61-5.90
Round 8P.MiechowiczB.Kranenborg – I.BeijlOpen10-12.7-1.27-3.70
Round 9P.MiechowiczX.Hou – M.ShiOpen10-3.4-0.34-0.60
Round 10P.MiechowiczP.Zwart – J.VisOpen10+26.8+2.68+2.40
Round 11P.MiechowiczV.Aronov – J.StefanovOpen10-8.6-0.86-4.40
Round 12P.MiechowiczP.Walczak – J.ZadrogaOpen10-45.3-4.53-0.20
Round 13P.MiechowiczJ.Campos – M.Villas-BoasOpen10+23.4+2.34+3.20
Round 14P.MiechowiczE.Aksuyek – A.GurselOpen10+6.8+0.68-1.60
Round 15P.MiechowiczM.Rehder – M.GromoellerOpen10-11.0-1.10-0.50

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
+11.7Round 13BRAZIL OPEN64♠x♣A-3+9
+10.1Round 1RUITEN 736♣♣4-1+12
+10.1Round 10VALLON62♦x♣10-4+12
+9.9Round 10VALLON74♠♦K+1+11
+8.5Round 12CONSUS OIL253♥♦5=+11
+8.2Round 5HET WITTE 1195♥x♥2-2+12
+7.8Round 13BRAZIL OPEN82♣x♣5-3+3
+7.7Round 14BILAL175♠♥3+1+14
+6.5Round 10VALLON43♥♠6-3+10
+6.5Round 13BRAZIL OPEN104♠x♥Q-1+13
+6.5Round 15BAMRUHE254♠♦K-1+12
+6.4Round 5HET WITTE 1205♦♠3=+0
+6.4Round 6T ONSTEIN273NT♦9=+0
+6.1Round 10VALLON93NT♠Q-3+10
+5.6Round 4LEIDSCHENHAGE35♠x♠2-1+7
+5.5Round 14BILAL125♣x♠5-1+8
+5.4Round 4LEIDSCHENHAGE65♥x♥3-4+4
+4.7Round 13BRAZIL OPEN33NT♠7-2+7
+4.6Round 6T ONSTEIN214♠♦5=+7
+4.4Round 9CHINA OPEN264♥♦10-1+17
+4.0Round 9CHINA OPEN253♦♣6+1+6
+3.9Round 4LEIDSCHENHAGE83♦♦8=+5
+3.9Round 6T ONSTEIN294♠♦J=-1
+3.8Round 8ZEEROB ROOD171NT♠8-3+1
+3.7Round 8ZEEROB ROOD204♥♠Q=+0
+3.7Round 14BILAL165♦♥A=+3
+3.3Round 11BULGARIA175♥♣9-2+5
+3.3Round 11BULGARIA184♠♠6=+3
+3.1Round 9CHINA OPEN242♠♦2=+0
+2.7Round 6T ONSTEIN281♠♦5+1+0
+2.6Round 2ISRAEL JUNIORS133NT♥5+1+13
+2.6Round 7ANGELINI43♥♦J-1+0
+2.4Round 3TERAMOTO284♠♥A+1+1
+2.1Round 1RUITEN 773NT♥2=+0
+2.1Round 5HET WITTE 1142NT♠5=+0
+2.0Round 2ISRAEL JUNIORS153♣♣10+1+0
+2.0Round 13BRAZIL OPEN93NT♣7=+13
+1.8Round 1RUITEN 793♥♣2-1+5
+1.8Round 6T ONSTEIN263♠♥3-1+0
+1.7Round 2ISRAEL JUNIORS144♠♣7-2+0
+1.6Round 1RUITEN 762♠♠8-1+11
+1.6Round 3TERAMOTO271NT♥2+3+1
+1.6Round 10VALLON31NT♦5=+0
+1.6Round 14BILAL143NT♥3+2-11
+1.4Round 4LEIDSCHENHAGE44♥♠A+2+2
+1.4Round 15BAMRUHE214♥♣6=-1
+1.2Round 14BILAL153♠♦A=+6
+1.1Round 6T ONSTEIN301♥♣7+1+0
+1.1Round 14BILAL111NT♣3=+0
+1.1Round 14BILAL134♥♠Q+2-13
+1.1Round 15BAMRUHE224♠♥2+1+1
+1.0Round 2ISRAEL JUNIORS123♥♥J=+0
+1.0Round 4LEIDSCHENHAGE23♦♥3-2-6
+1.0Round 11BULGARIA193NT♣K+2-11
+0.9Round 2ISRAEL JUNIORS172♥♥6-2+0
+0.9Round 10VALLON101♣♠J+2+1
+0.7Round 7ANGELINI74♠♥K=+0
+0.7Round 10VALLON13NT♥3+2+0
+0.6Round 9CHINA OPEN284♥♣K+2-12
+0.5Round 3TERAMOTO233♣♠K+1+0
+0.5Round 7ANGELINI52♥♣3+1+0
+0.4Round 9CHINA OPEN224♥♠K+1+0
+0.3Round 3TERAMOTO291NT♣A-1-1
+0.3Round 13BRAZIL OPEN13NT♥10+1-1
+0.2Round 4LEIDSCHENHAGE55♥♣A-2-5
+0.2Round 15BAMRUHE264♠♣J=+0
+0.1Round 8ZEEROB ROOD112♣♠8=-2
+0.1Round 14BILAL194♠♣10+1+0
-0.0Round 5HET WITTE 1124♥♦4+1+0
-0.0Round 9CHINA OPEN213♦♦3-2-2
-0.1Round 5HET WITTE 1164♥♠7+2-1
-0.2Round 7ANGELINI23NT♥3+2-1
-0.2Round 9CHINA OPEN293NT♠Q=+2
-0.2Round 10VALLON83♠♦2=-6
-0.3Round 5HET WITTE 1114♠♥7=+0
-0.3Round 10VALLON54♠x♦4-2+0
-0.4Round 11BULGARIA153NT♦5+1+0
-0.4Round 13BRAZIL OPEN53NT♣3=+1
-0.5Round 8ZEEROB ROOD154♠♥5+1+0
-0.5Round 12CONSUS OIL274♥♠A=+1
-0.6Round 1RUITEN 744♠♠5+2-13
-0.6Round 11BULGARIA133NT♦6=+2
-0.6Round 13BRAZIL OPEN23♥♦8=-8
-0.7Round 3TERAMOTO304♦♣J-1+2
-0.7Round 4LEIDSCHENHAGE72♠♦2=+0
-0.8Round 2ISRAEL JUNIORS193♦♣8-1-10
-0.8Round 3TERAMOTO243♣♥K-1+2
-0.8Round 6T ONSTEIN234♥♥5=+1
-0.8Round 12CONSUS OIL213NT♥Q+2+12
-1.0Round 2ISRAEL JUNIORS183♣♠3-1-5
-1.0Round 8ZEEROB ROOD194♥♠K-1-5
-1.0Round 11BULGARIA163NT♠3-1-11
-1.0Round 11BULGARIA204♠♣3+2-12
-1.0Round 15BAMRUHE244♠♥2+1+0
-1.0Round 15BAMRUHE294♠♥5+1+0
-1.1Round 1RUITEN 753♥♦K-2-3
-1.1Round 1RUITEN 7103♠♥K=+0
-1.1Round 3TERAMOTO253♠♥A-1+1
-1.2Round 15BAMRUHE303NT♣2=+2
-1.3Round 3TERAMOTO215♣♥9=+0
-1.3Round 8ZEEROB ROOD134♥♦2=-3
-1.4Round 5HET WITTE 1182♥♥Q-1+2
-1.5Round 8ZEEROB ROOD185♠♥A=+0
-1.5Round 12CONSUS OIL263♦♣A+1+0
-1.6Round 3TERAMOTO263♣♦8-3-4
-1.7Round 13BRAZIL OPEN42♠♣J=+1
-2.0Round 11BULGARIA142♠♦K+1-7
-2.1Round 1RUITEN 783♦♠A=+1
-2.1Round 15BAMRUHE275♠♦K=+0
-2.3Round 5HET WITTE 1174♣♣2-1-4
-2.4Round 9CHINA OPEN273NT♥6+1-4
-2.5Round 6T ONSTEIN222♠♥7+1+7
-2.6Round 3TERAMOTO223♦♠J-1-5
-2.8Round 4LEIDSCHENHAGE94♥♦K-1-6
-3.0Round 5HET WITTE 1156♥♣2=+0
-3.2Round 1RUITEN 723♥♠7=-7
-3.3Round 1RUITEN 712♦♣3+1+0
-3.4Round 6T ONSTEIN243NT♥4=+1
-3.7Round 14BILAL203NT♠5-1-12
-4.0Round 2ISRAEL JUNIORS112♣♣J-4-3
-4.0Round 5HET WITTE 1134♠♦7+1-13
-4.1Round 4LEIDSCHENHAGE106♠♥10=+0
-4.3Round 8ZEEROB ROOD163NT♠2-2-12
-4.4Round 8ZEEROB ROOD143NT♣J-3-6
-4.7Round 15BAMRUHE235♣x♦6-1-8
-4.9Round 6T ONSTEIN253NTx♠Q-1-7
-4.9Round 11BULGARIA114NT♦10+2-11
-5.2Round 9CHINA OPEN303NT♠Q=+0
-5.4Round 12CONSUS OIL246♥♦K=+0
-5.7Round 2ISRAEL JUNIORS165♥x♠Q-1-7
-6.0Round 7ANGELINI14♠♣5-1-10
-6.0Round 7ANGELINI86♠♥5=+0
-6.3Round 11BULGARIA124♠♥K+1-2
-6.9Round 13BRAZIL OPEN74♠♥K-1-6
-7.3Round 8ZEEROB ROOD124♠♥K=-10
-8.0Round 12CONSUS OIL283NT♠10=-10
-8.1Round 9CHINA OPEN233NT♠J-2-13
-8.5Round 7ANGELINI94♣♦Q-2-11
-8.5Round 10VALLON23NT♦5-3-14
-8.5Round 12CONSUS OIL234♥x♦5=-5
-9.0Round 7ANGELINI63NT♠J+2-8
-9.2Round 4LEIDSCHENHAGE14♥x♦A=-12
-9.3Round 12CONSUS OIL297NT♠8=+0
-9.6Round 12CONSUS OIL223♥x♥5-2-9
-9.8Round 7ANGELINI33NT♠6-1-10
-10.2Round 12CONSUS OIL306♥♦A=-2
-10.2Round 15BAMRUHE283♦♦A-3-11
-10.4Round 7ANGELINI102♦♦10+4-19
-11.5Round 14BILAL185♣xx♣7=-11