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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
887Zhao Jun (CHN)2587Xiu Deshun (CHN)25401-031 ≣E20Ch China08 Apr 2011
133Shianovsky Vladis...2255Usachyi Mark (UKR)21961-040 ≣E20Ch Kiev
829Naipal Victoria (...1791Chavez Diana Mari...18841-043 ≣E20Ch Continent (w)05 Sep 2009
138Matchett HGTTanfield G1-030 ≣E20Memorial Stevenson
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
145Toran Albero Roma...2445De Lange Daan1-030 ≣E20Olympiad
146Toran Albero Roma...2445O'Hare E1-031 ≣E20Olympiad
830Khachatryan Vahag...2278Polivanov Anatoli...23821-036 ≣E20It (open)12 Sep 2009
725Bukal Vladimir Jr...2443Meszaros Tamas (HUN)23521-028 ≣E20Bundesliga B Mitt...04 Mar 2006
150Gligoric Svetozar...2447Ivkov Borislav (SRB)24161-041 ≣E20It
475Salman Joel (USA)2225Goregliad Sergei ...23201-019 ≣E20It
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
476Belcher EdwardEncencarnacion Er...22111-033 ≣E20It \
894Van Vliet Dennis ...2101Feys Bert (BEL)20331-026 ≣E20Ch Flanders04 Jun 2011
293Schuster GuenterWeiler Wolfgang (...21191-019 ≣E20Ch Baden (HT)
493Schmidt Anton (GER)2153Hartl Aldo (GER)21151-038E20Bayern Landesliga...
166Johannessen Svein...2273Filipov F (BUL)1-041 ≣E20Olympiad
167Kristinsson (ISL)Tsagan T (MNG)1-038 ≣E20Olympiad
727Schmidt Anton (GER)2080Oleneva Svetlana ...21101-033 ≣E20Bayern Oberliga 2...02 Apr 2006
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
172Engerer HansZeitler Hans-Juer...19621-019 ≣E20It (open)
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
175Behr Maxmilian (GER)2070Suess W21051-016 ≣E20Europe Tournament...
728Karayiannis Costa...2166Low Ying-Min (SIN)19751-031 ≣E20It (open)16 Apr 2006
181Piket Joop J (NED)2125Agnes Corrado1-022 ≣E20Ch World (team) (...29 Jul 1964
182Camara Helder (BRA)2347De Freitas Marcio...1-042 ≣E20Ch Brazil
184Piket Joop J (NED)2125Kramer Haije J (NED)23301-038 ≣E20It \
495Jugow Alexander (...2152Rosen Willy (GER)22701-035 ≣E20Ch Germany (senio...
187Kasanen JuhaSoom1-017 ≣E20Olympiad (student...
189Vadasz Laszlo (HUN)2271Liljedahl Lennart...22821-045 ≣E20Ch Europe (junior...
507Kopta Pavel (CZE)2299Jelinek Milan (CZE)20691-054 ≣E20It (open) (junior...
509Cherniack Alex (USA)2270Nute Gary A (USA)22201-028 ≣E20It \
733Alonso Rosell Alv...2231Rodriguez Lorenzo...19361-018 ≣E20Ch Spain (schools)27 Jun 2006
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
837Kravchuk OlegTunik Sergey (RUS)18971-033 ≣E20Ch Region30 Oct 2009
203Nevole Vladimir (...2051Slizak1-042 ≣E20?
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
205Piket Joop J (NED)2125Kunnen1-026 ≣E20Ch Netherlands (t...
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
736Yermishin Viktor ...2410Lao Lenath (FRA)19561-019 ≣E20Memorial Georgiev...05 Sep 2006
213Epelman E GProkopp Heinz1-022 ≣E20Europe Tournament...
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
917Vlasova Daria (RUS)1849Belova Olga (RUS)20161-044 ≣E20It (open) (w)05 Feb 2012
164Gligoric Svetozar...2447Osmanagic Muamer ...22601-039 ≣E20It
754Van Elst Andreas ...2350Ducret Thomas (FRA)22251-055 ≣E20Ch France (team) ...21 Jan 2007
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
839Altomonte Giuseppe1773Fiorentino Vincenzo15091-019 ≣E20It (open) (b)05 Jan 2010
547Taggatz Mario (GER)2303Illijin Neboisa (...22601-041 ≣E20It (open)
548Chaves Jorge Anto...2110De Souza Marcos1-030 ≣E20Tournament (qual)
549Mensch Etienne (FRA)2260Murzin Lenar (RUS)22601-028 ≣E20It (cat.2)
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
739Santos Marcus Vin...2416Madeira Wagner Ma...22531-039 ≣E20It (open)13 Oct 2006
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
178Blazek JosefSorsak Jozef Sr (...21251-044 ≣E20Ch Czechoslovakia...
889Zavadil Michal (CZE)2124Hrdina Robin (CZE)20501-029 ≣E20It \23 Apr 2011
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
554Ghozali CholidChan James (CAN)20121-024 ≣E20Ch Asian Cities (...
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
844Benson Oisin P (IRL)2043Murray David (IRL)20391-037 ≣E20It (open)20 Mar 2010
846Chub Alexey (RUS)2094Suprunenko Yury1-034 ≣E20Tournament (Elo) \
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
69Balanel Ion (ROM)Szabo Stefan1-078E20It
562Legemaat Gert (NED)2216Lambers Gerrit Hans1-026 ≣E20Tournament
555Schmidt Anton (GER)2153Stoer Andreas (GER)21701-053 ≣E20Bayern Landesliga...
744Foisor Sabina-Fra...2326Padurariu Ioana-S...22211-047 ≣E20Ch Romania (team)...11 Nov 2006
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...
849Boutsioukis Nikol...1930Galopoulos Panagi...20851-037 ≣E20It (open)10 Apr 2010
840Stahnke Alexander...1922Haron Greg20581-070 ≣E20Ch Australia (major)06 Jan 2010
569Gomez Ruben (ARG)1893Lichtentein Juan1-022 ≣E20It (open)
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
832Batista Sergio (BRA)1928Fieri Isaac Pedro...20551-038 ≣E20Ch Paulista (final)03 Oct 2009