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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
490Buettner Ulrich (...1969Weclawski Doris (...21050-124 ≣E20It (w)
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
381Birens Eric-Andre...1969Sonntag Hans-Hube...23850-150 ≣E20It (open)
709Glawe Hartmut1971Bauer Norbert (GER)21680-130 ≣E20Landesliga (2nd) ...24 Apr 2005
908Radice Luca (ITA)1972Robbio Pietro18831-039 ≣E20Tournament (open)
828Zielinski Wojciec...1973Rybak Tomasz (POL)22480-136 ≣E20It (open)19 Jul 2009
779Bogatenko Roman (...1978Bereziy Petr (RUS)17940-128 ≣E20Ch City09 Feb 2008
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...
791Sidorov Kirill (RUS)1981Lubanski Mark1-027 ≣E20Cup Volga (open)
541Komarov Andrei (RUS)1981Rutman Aleksandr ...23100-133 ≣E20It (seniors)
422Metzger Christian1985Boeckenhaupt Rudi...20601-042 ≣E20Ch Pfalz
897Nyvlt Otto (CZE)1986Sodoma Jan (CZE)23800-132 ≣E41It \03 Jul 2011
769Denisov Boris (RUS)1987Mukhin Alexey (RUS)17261-061 ≣E20Ch Russia (PODA)07 Nov 2007
247Fodor Istvan (HUN)1988Lepsenyi Lorant (...20550-123 ≣E20Tournament \
927Ghollasi Mood Moj...1991Amin Afshar Hossein1-066 ≣E20Tournament (Elo)09 Jun 2012
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
691Nowikow Siegfried...2004Juhasz Laszlo (HUN)22110-148 ≣E20It (open)20 May 2004
870Lukacovic Mirosla...2006Eged Igor (SVK)20650-159 ≣E20Ch Slovakia (team...07 Nov 2010
738Birens Eric-Andre...2007Bosman Michiel (NED)23390-134E20Cup European Club11 Oct 2006
257Haggren Stig-Olof...2009Lyly Seppo (FIN)19371-030 ≣E20?
858Wohlers-Armas Fri...2011Guichard Pauline ...22930-132 ≣E20Cup France (w)27 Jun 2010
558Seifert Ronny (GER)2011Machner Christian1-031 ≣A40It (open) \
740Vrettos Vasilios ...2018Girvalakis Spyrid...21300-127 ≣E20It (open) \14 Oct 2006
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
624Kinkelin Ulrich (...2019Kwossek Georg (GER)20970-137 ≣E20Bayern Regionalli...
794Kirillov Nikolay ...2019Tyutyunnikov Kiri...19471-081 ≣A17Tournament (open)26 Jul 2008
346Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
762Huynh Lam Binh Ng...2021Tran Quang Khai (...20251-035 ≣E41Ch Vietnam (junio...07 Jul 2007
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
768Foisor Mihaela-Ve...2029Landenbergue Clau...24520-157 ≣E20It (open)14 Sep 2007
314Mustonen Ilkka (FIN)2030Keravuori Jukka0-135 ≣A15Ch Finland (corr.)
185Lubienski Tadeusz...2033Salminsh Gedimins...0-135 ≣E20Cup Baltic (corr.)
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
457Masip Tressera Or...2035Jove Grau Lluis (...22170-139 ≣E20It (open)
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
384Lim Kok Ann Dr (SIN)2038Usachyi Mark (UKR)21960-162 ≣E20Ch World (seniors)
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
227Lim Kok Ann Dr (SIN)2038Le Marquand22001-025 ≣E20Olympiad
641Furesz Jorsef (HUN)2038Bardossi Jeno (HUN)21980-142 ≣E20Ch Hungary (team)...18 Nov 2001
743Olshevskiy Maxim ...2039Rodionov Georgy (...19811-088 ≣E41Ch Ukraine (junio...06 Nov 2006
420Kozlowski Waldema...2042Bonarek L1-044 ≣E20Ch Poland (corr.)
440Kozlowski Waldema...2042Chruszcz T0-126 ≣E20Ch Poland (corr.)
482Seckar Milos (SVK)2042Saljova Silvie (CZE)21421-039 ≣A13Ch Slovakia (open)
844Benson Oisin P (IRL)2043Murray David (IRL)20391-037 ≣E20It (open)20 Mar 2010
660Mcmaster Richard ...2043Taylor Robert Mar...21650-180 ≣E20Ch Great Britain
747Karimov Zakir (RUS)2044Kunakbaev Ilnur (...21690-155 ≣E00Ch Bashkortostan17 Dec 2006
698Lane Peter Christ...2044Brown Alan (ENG)21390-152 ≣E41It \07 Sep 2004
636Janco Jozef2045Mrva Vladimir (SVK)21380-169 ≣A17Extra League 2001/02
941Edirisinghe Dulan...2046Meshkov Yuri A (RUS)23900-170 ≣E20Olympiad05 Sep 2012
613Kmit Jozef (SVK)2047Bukovinsky J1-033 ≣E20Ch Slovakia (team...
845Horvath Jeno Kalm...2048Charleshouse Glen...21921-027 ≣E41It (open) \23 Mar 2010
681Naudin Yvan (FRA)2049Durufle Arnaud (FRA)20701-057 ≣A40Ch France (team) ...
524Punteri Marco (ITA)2049De Bortoli Peter ...21831-027 ≣E41Ch Italy (juniors)
338Wohlers-Armas Fri...2050Borisova Borislav...20891-021 ≣E20?
643Gutierrez Coll Ju...2050Oliver Jose Luis0-151 ≣E41It (open)
880Pugh Larry (USA)2051Lobo Kunal1-060 ≣E20Ch USA (amateur) ...19 Feb 2011
307Belistri Ubaldo (...2051Vazquez L1-047 ≣E20Ch Uruguay (1/2 f...
203Nevole Vladimir (...2051Slizak1-042 ≣E20?
663Rattray Gordon2055McKay Roderick M ...23710-121 ≣E41Ch West Scotland26 May 2002
467Pyka Andreas (GER)2056Esser Norbert (GER)21880-138 ≣E41Cup Germany
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
630Tan Shihao Sean (...2067Ong Choon Hao Nat...0-130E41Ch ASEAN (juniors...
502Pompa Alessandro ...2070Malloni Marcello ...23090-130 ≣E41Ch Rome
175Behr Maxmilian (GER)2070Suess W21051-016 ≣E20Europe Tournament...
694De Barros Frederi...2073Schmouchkovitch C...19621-021 ≣E41It (open)14 Jul 2004
752Karmanov Sergei (...2075Dzhumagaliev Yan ...22520-133 ≣E20Ch Chess Club17 Jan 2007
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
652Radice Luca (ITA)2077Provera Emanuele ...21440-120 ≣E20Ch Italy (team)
198Spodny Josef (CZE)2079Slezacek1-026 ≣A15corr.
727Schmidt Anton (GER)2080Oleneva Svetlana ...21101-033 ≣E20Bayern Oberliga 2...02 Apr 2006
662Koczo Kristof (HUN)2081Nemeth Miklos (HUN)22900-125 ≣E41Ch Hungary (junio...30 Mar 2002
876Zulfic Fedja (AUS)2081Smith Robert W (NZL)22751-043 ≣E20Zt
492Gayer Michael (GER)2083Straub Juergen (GER)22280-175 ≣E20Bayern Landesliga...
623Gayer Michael (GER)2083Gerstner Bernhard...20940-127 ≣E20Bayern Oberliga 2...
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
648Faraci Antonino (...2087Campora Perez Dan...21540-165 ≣A17It (open)
933Perena Catherine ...2091Mendoza Shania Ma...18061-035 ≣E41Ch Philippines (w)16 Jul 2012
614Ebner Johann (AUT)2093Ozanne Mark S (GCI)20310-131 ≣A40It (open)
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
846Chub Alexey (RUS)2094Suprunenko Yury1-034 ≣E20Tournament (Elo) \
427Schaedler Juergen...2096Mettendorf G1-040 ≣E20Oberliga Baden 19...
678Pereira Figueroa ...2097Bozzo Rodolfo1-039 ≣E20Dos Hermanas Qual...16 Mar 2003
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
638Medina Jose (ESP)2098Montilla Carrillo...23030-138 ≣E20Ch Spain (team) (...
883Anfinogenov Artem...2098Tilicheev Viaches...23890-132 ≣E20Ch Moscow (1/2 fi...17 Mar 2011
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
461Tejero Royo Fermi...2100Lerch Gallemi Jos...22240-130 ≣E20Ch Catalunia
926Goncalves Ivan Me...2100Cruz Arquias Sofo...18381-042 ≣E20Ch Brazil (junior...07 Jun 2012