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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
743Olshevskiy Maxim ...2039Rodionov Georgy (...19811-088 ≣E41Ch Ukraine (junio...06 Nov 2006
771Usoltseva Polina ...1842Dzemliuk Elena1-050 ≣E41Ch Ukraine (junio...18 Nov 2007
687Pushin Vladimir (...2231Kiselev Vitaliy (...21621-035 ≣E41Ch Russia (junior...
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
402Rodrigues JPOliveira Antonio ...22221-033 ≣E41It (open)
404Dreyer Martin (NZL)2275Metge J Nigel (NZL)21301-039 ≣E41Ch New Zealand
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
749Chiong Luis (PHI)2364Paciencia Enrique...24320-141 ≣E41It (open)26 Dec 2006
751Shapran Nikita (RUS)1892Gutsuliak Yana (RUS)19490-133 ≣E41Memorial T.Petros...
825Bisaro Andrea (ITA)1702Pillon Giovanni P...18900-146 ≣E41Tournament (open)07 Jul 2009
128Napolitano Mario ...Batik Frantisek0-112 ≣E41?
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
410Markotic Gordan (...2287Kolev Atanas (BUL)25910-119 ≣E41It (open)
411Markotic Gordan (...2287Sole E1-026 ≣E41It (open)
413Russell Corey (USA)2155Barnes Joel (USA)22481-080 ≣E41It \
753Vishnyakov Igor (...2182Konyukhov Mikhail...18521-021 ≣E41Memorial Polyak17 Jan 2007
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
630Tan Shihao Sean (...2067Ong Choon Hao Nat...0-130E41Ch ASEAN (juniors...
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
631Nur Mohammad Fadh...Lim Jun Zhe Louis...0-143 ≣E41Ch ASEAN (juniors...
633Idrisova Roza (RUS)2106Kryukova Irina (RUS)22610-136 ≣E41Ch Russia (w) (1 ...
148Owtschinkin GPopp Franz1-041 ≣E41corr.
425Bern Ivar (NOR)2370Csom Istvan (HUN)24751-043 ≣E41It (open) \
826Bisaro Andrea (ITA)1702Del Forno Sinicco...17851-041 ≣E41Tournament (open)11 Jul 2009
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
383Winiwarter Felix ...2176Titz Heimo (AUT)22021-062 ≣E41Staatsliga
465Herraiz Hidalgo H...2260Sanz Alonso Franc...23901-049 ≣E41Ch Spain (team)
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
434Minzer Claudio Ja...2370Aberbach Angel (ARG)20301-027 ≣E41It (open)
640Tsadzikidze Natia...2308Epitashvili Ketev...21731-051 ≣E41Ch Georgia (w)02 Apr 2001
759Rodrigo Edson (BRA)1962Gallo Ponce Elber...22020-1103 ≣E41It (open)27 May 2007
437Richter Michael (...2225Lagershausen Thomas0-153 ≣E41It (open) \
643Gutierrez Coll Ju...2050Oliver Jose Luis0-151 ≣E41It (open)
644Farrell RogerPetersons Haralds1-024 ≣E41Ch ACT
869Navrotescu Andree...1910Aseeva Anastasia ...17631-026 ≣E41Ch Europe (junior...23 Sep 2010
762Huynh Lam Binh Ng...2021Tran Quang Khai (...20251-035 ≣E41Ch Vietnam (junio...07 Jul 2007
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
661Nuber Blasius (GER)2303Ulmer Micha (GER)19591-072 ≣E41Ch Germany (junio...
647Ahern JohnKarkanaqe Ilir (ALB)23660-128 ≣E41Cup European Club...
875Galojan Lilit (ARM)2389Ambartsumova Kari...23091-0114 ≣E41It (w)
892Ilic Dragan (SRB)2388Govedarica Radova...23891-028 ≣E41Cup Serbia (team)20 May 2011
871Romero OscarCastaneda Jorge L...21230-153 ≣E41Ch Pan-American (...18 Nov 2010
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
83Gligoric Svetozar...2447Bolbochan Jacobo ...1-045 ≣E41It
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
770Name Gabriel (BRA)2241Tsuboi Edson Kenj...23340-141 ≣E41It (open)17 Nov 2007
895Ezat Mohamed (EGY)2434Belouadah Saad (ALG)22870-141 ≣E41Ch Africa08 Jun 2011
836Ezat Mohamed (EGY)2459Ameir Moheb (EGY)20881-050 ≣E41Ch Arab Cities29 Oct 2009
776Ganaus Hannes (AUT)2294Moranda Wojciech ...25330-145 ≣E41Ch Europe (active)15 Dec 2007
460Ryskin Alexander ...2435Pushkov Nikolai (...25150-134 ≣E41It
684Eriksson Johan (SWE)2423Lappalainen Tommy...21881-024 ≣E41Cup Rilton
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
874Jansen Lauritz (GER)1790Grigorian Spartak...18351-022 ≣E41Ch Germany (junio...29 Dec 2010
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
896Yargici Mazhar Ku...1921Emiroglu Cankut (...22421-053 ≣E41Ch Turkey (team)02 Jul 2011
467Pyka Andreas (GER)2056Esser Norbert (GER)21880-138 ≣E41Cup Germany
662Koczo Kristof (HUN)2081Nemeth Miklos (HUN)22900-125 ≣E41Ch Hungary (junio...30 Mar 2002
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
663Rattray Gordon2055McKay Roderick M ...23710-121 ≣E41Ch West Scotland26 May 2002
897Nyvlt Otto (CZE)1986Sodoma Jan (CZE)23800-132 ≣E41It \03 Jul 2011
209Muratov Vladimir ...Kacaiev1-031 ≣E41Ch Kazakhstan
703Regis Georg (GER)2129Schmidt Gerhard (...20621-065 ≣E41Oberliga East B 2...14 Nov 2004
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
668Moskalenko Viktor...2551Bagheri Amir (FRA)24960-136 ≣E41Ch France (team) ...
857Gongora Maikel (CUB)2468Morales Rolando (...22651-042 ≣E41Memorial J.Capabl...16 Jun 2010
669Nilsson Erik (DEN)2168Cooper Lawrence (...23040-128 ≣E41Ch NATO
224Shereshevski Mikh...2475Korelov Alexander...23751-045 ≣E41Memorial A.Sokolsky
781Sokolov Ivan (NED)2650Bakker Sven (NED)22321-030 ≣E41Ch Netherlands (t...08 Mar 2008
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
215Holmers EJGibbs Peter C (ENG)1-039 ≣E41corr.
671Sailer Mike (USA)2136Dimitrijevic Dark...22211-025 ≣E41It (open)
575Jugow Alexander (...2197Reichenbach Werne...22970-132 ≣E41Ch World (seniors)
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
483Sustek Vladimir (...1959Csefalvay Stefan ...19160-163 ≣E41Ch Slovakia (open)
289McCambridge Vince...2465Frias Victor J (CHI)24931-047 ≣E41It (open)
898Ezat Mohamed (EGY)2434Ameir Moheb (EGY)21921-043E41It \05 Jul 2011
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
675Guseva Marina (RUS)2289Kryukova Irina (RUS)22610-138 ≣E41It (b)
487Chiong Luis (PHI)2390Nirav Y Rajasuba ...22551-053 ≣E41It (open)
464Bernardino LOliveira Vera (POR)17151-018 ≣E41Ch Coimbra (team)
695Santos Marcus Vin...2334Rosito Jorge (ARG)24031-032 ≣E41It06 Aug 2004
488Pham Gia HuyDuong Thanh Binh1-045 ≣E41Ch Vietnam (team)
933Perena Catherine ...2091Mendoza Shania Ma...18061-035 ≣E41Ch Philippines (w)16 Jul 2012
677Ruchkin Yuri (RUS)2238Makhianov Vadim (...22011-026 ≣E41Ch Russia (1/2 fi...
394Kuraszkiewicz Mic...2341Menacher Manfred ...23071-069 ≣E41Ch Bayern (2)
784Vrajitoru Vlad-La...653Tiron Lucian-Ilie5510-124 ≣E41Ch Romania (juniors)14 Apr 2008
931Janzelj Lara1745Brankovic Slavoljub19201-066 ≣E41Ch Central Serbia...10 Jul 2012
494Schubert Ralf (GER)2145Mattick Lutz (GER)22750-130 ≣E41Bundesliga (2nd) ...
843Swiech Przemyslaw...1448Grudzien Piotr (POL)19771-027 ≣E41Ch Poland (junior...09 Mar 2010
674Santos Marcus Vin...2334Rosito Jorge (ARG)24030-154 ≣E41Cup Itau (open)
496Aurich MPfaff Timo0-133 ≣E41Ch Region
124Johannessen Svein...2273Gislason Sigurgei...1-040 ≣E41Olympiad16 Sep 1956
499Chiong Luis (PHI)2390Perez Roland22301-031 ≣E41It (open)