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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
628Wohlers-Armas Fri...2193Kolbe Jana (GER)20481-034 ≣E20Bundesliga (2nd) ...
274Schuster Carlos (...2294Moscovich Fabian ...20501-026 ≣E41Ch Argentina (und...
634Cvetkovic Ivana (...Franciskovic Bork...20501-053 ≣E41Ch Croatia (team)...
889Zavadil Michal (CZE)2124Hrdina Robin (CZE)20501-029 ≣E20It \23 Apr 2011
567Hubmann Guenter (...2104Reyes-Acevedo Ism...20520-137 ≣E20It (open) (b)
247Fodor Istvan (HUN)1988Lepsenyi Lorant (...20550-123 ≣E20Tournament \
832Batista Sergio (BRA)1928Fieri Isaac Pedro...20551-038 ≣E20Ch Paulista (final)03 Oct 2009
615Nikolaeva Alexand...2202Dordzhieva Nadezh...20561-052 ≣E20Ch Russia (junior...
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
840Stahnke Alexander...1922Haron Greg20581-070 ≣E20Ch Australia (major)06 Jan 2010
692Fletcher ChrisSladek Vaclav (CAN)20580-129 ≣E20Memorial P.Keres ...22 May 2004
422Metzger Christian1985Boeckenhaupt Rudi...20601-042 ≣E20Ch Pfalz
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
438Vigh Bela (HUN)2405Rozsnyai Tibor (HUN)20611-030 ≣E20It (open)
214Nielsen Carl-EvaldOe Oluf (DEN)20610-143 ≣E20Memorial L.Rasmussen
703Regis Georg (GER)2129Schmidt Gerhard (...20621-065 ≣E41Oberliga East B 2...14 Nov 2004
870Lukacovic Mirosla...2006Eged Igor (SVK)20650-159 ≣E20Ch Slovakia (team...07 Nov 2010
365Wohlers-Armas Fri...2145Podrazhanskaya Ol...20680-143 ≣E20Zt (w)
507Kopta Pavel (CZE)2299Jelinek Milan (CZE)20691-054 ≣E20It (open) (junior...
906Ivanov FedorGoryachkin Alexan...20690-154 ≣E20Memorial Ermolaev...10 Aug 2011
271Sherwood CharlesCasey Kevin (AUS)20700-120 ≣E20It (open) \
156Trapl Jindrich (CZE)2336Marsalek Josef (CZE)20711-025 ≣E20Ch Czechoslovakia
711Vernay Gaspard (FRA)1627Lemeille Francois...20720-133E41Ch France (team) ...14 May 2005
202Oestreich ReinhardSoelter Reinhold ...20720-149 ≣E20Ch OWL
657Hova Frode (NOR)1734Taksrud Vidar (NOR)20740-146 ≣E20It (open)
778Dommes Vladimir M...2264Gaprindashvili No...20751-031 ≣E20Tournament \18 Jan 2008
572Bank Friis Carste...2269Vovk Oksana (DEN)20751-024 ≣E41Ch Denmark (cand.)
881Maurer Jochen (GER)2264Scheffknecht Phil...20751-048 ≣E20Bundesliga B West...11 Mar 2011
445Saglam BuelentSondors Peteris (...20780-155 ≣E20Oberliga Mittelrh...
312WinklerGlasewald Stefan ...20791-043 ≣E20corr.
586Danielsen Arne (NOR)2243Lilleoren David (...20800-142 ≣E41Ch Norway (team) ...
712Navarro Nicolas V...2182Adekola Adedeji (...20800-151 ≣E41It \24 May 2005
653Perchik VladimirKhliastikov Georg...20820-146 ≣E20Memorial I.Stepichev
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
849Boutsioukis Nikol...1930Galopoulos Panagi...20851-037 ≣E20It (open)10 Apr 2010
766Prohaszka Peter (...2470Rian Kapriaga (INA)20861-033 ≣E20Olympiad (under 16)12 Aug 2007
576Sipka Zoltan (HUN)1908Vereb Andras (HUN)20860-122 ≣E20It (open)
836Ezat Mohamed (EGY)2459Ameir Moheb (EGY)20881-050 ≣E41Ch Arab Cities29 Oct 2009
338Wohlers-Armas Fri...2050Borisova Borislav...20891-021 ≣E20?
109Kwapisz StanislawDomanski Jerzy (POL)20901-044 ≣E20Ch Poland
800Neverov Valeriy (...2571Constantin David ...20911-046 ≣E41It (open) \13 Sep 2008
430Rabara Frantisek ...1940Kalous Miroslav (...20910-149 ≣E20It (open)
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR
623Gayer Michael (GER)2083Gerstner Bernhard...20940-127 ≣E20Bayern Oberliga 2...
519Jugow Alexander (...2230Weiler Ludwig20951-038 ≣E41Ch Hessen (seniors)
624Kinkelin Ulrich (...2019Kwossek Georg (GER)20970-137 ≣E20Bayern Regionalli...
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
196Morgado Juan J (ARG)2219Castelli Raul (ARG)21000-130 ≣E20Ch Chess Club
622Kaminik Aleksanda...2245Zimmermann Ralf (...21011-029 ≣E20It (open)
327Kovacs Istvan (HUN)2200Vargyas Zoltan (HUN)21020-132 ≣E20Ch Hungary (open)
490Buettner Ulrich (...1969Weclawski Doris (...21050-124 ≣E20It (w)
175Behr Maxmilian (GER)2070Suess W21051-016 ≣E20Europe Tournament...
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
542Laudati APienabarca Nicola...21060-188 ≣E41It (open)
727Schmidt Anton (GER)2080Oleneva Svetlana ...21101-033 ≣E20Bayern Oberliga 2...02 Apr 2006
705Seidl Juergen (GER)2181Schubert Dieter21101-027 ≣E41Bayern Regionalli...12 Dec 2004
396Vigh Bela (HUN)2349Blasovszky Istvan...21101-034 ≣E20Cup Donau (open)
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
405Baez IsidoroSaavedra Juan (CHI)21140-135 ≣E20Tournament (team) \
493Schmidt Anton (GER)2153Hartl Aldo (GER)21151-038E20Bayern Landesliga...
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
406McKay Roderick M ...2376Beaton Kenneth S ...21161-030 ≣E20Ch Scotland
566Henriksson Svante...2151Johansson Jukka (...21171-037 ≣E41It (open)
679Dor R1870Pieroni Guillaume...21180-138E20It (open)24 Oct 2003
297Popp Klaus2200Weigel Herbert (GER)21181-031 ≣E41Ch Mittelfranken
596Shields Sylvia (AUS)Dekic Biljana N (...21181-044 ≣E20Ch Australia (w)
293Schuster GuenterWeiler Wolfgang (...21191-019 ≣E20Ch Baden (HT)
938Haimovich Tal (ISR)2395Stange Sven (NED)21221-047 ≣E20It (open)09 Aug 2012
871Romero OscarCastaneda Jorge L...21230-153 ≣E41Ch Pan-American (...18 Nov 2010
315Voigt Martin (GER)2364Pohl Walter (GER)21231-037 ≣E20corr.
178Blazek JosefSorsak Jozef Sr (...21251-044 ≣E20Ch Czechoslovakia...
664Sacchini Marco (ITA)2198Shytaj Carlo (ITA)21270-155 ≣E20It (open)13 Jul 2002
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
928Castaneda ReinaldoPinero Carlos21280-156 ≣E41Ch Venezuela (exp...19 Jun 2012
740Vrettos Vasilios ...2018Girvalakis Spyrid...21300-127 ≣E20It (open) \14 Oct 2006
404Dreyer Martin (NZL)2275Metge J Nigel (NZL)21301-039 ≣E41Ch New Zealand
902Brink Baarry (NED)2193Pauw Sander (NED)21300-138 ≣E20It (open)16 Jul 2011
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
489Jetzl Joerg (AUT)2203Prudhomme Franck ...21371-028 ≣E20It (open)
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
698Lane Peter Christ...2044Brown Alan (ENG)21390-152 ≣E41It \07 Sep 2004
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
855Azevedo Eduardo J...1959Palacio Igor Da P...21430-147 ≣E41It (open)04 Jun 2010
910Guk Ilja (UKR)2280Fiodorov Mikhail ...21430-176 ≣E20It (open)06 Sep 2011
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
222Steudtmann Christ...2268Koehler Gerhard (...21431-032 ≣E20It (open)
652Radice Luca (ITA)2077Provera Emanuele ...21440-120 ≣E20Ch Italy (team)
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
441Ernst KlausBerndt Walter (GER)21571-033 ≣E20It (open)