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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
721Ruether Rudolf (GER)2188Kaiser Matthias (...22251-046 ≣E41Bayern Landesliga...23 Oct 2005
104Sherbakov2415Levit Roman (USA)22751-023 ≣E41Ch URS (1/2 final)
722Orsi Matteo (ITA)1877Torrione William ...18831-026 ≣E41It (open) (b)30 Oct 2005
495Jugow Alexander (...2152Rosen Willy (GER)22701-035 ≣E20Ch Germany (senio...
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
499Chiong Luis (PHI)2390Perez Roland22301-031 ≣E41It (open)
109Kwapisz StanislawDomanski Jerzy (POL)20901-044 ≣E20Ch Poland
110Kwapisz StanislawSliwa Bogdan (POL)22351-040 ≣E20Ch Poland
119KunzDudeck1-040 ≣E20Memorial Dyckhoff...
113Alster Ladislav (...Filip F1-046 ≣E20Ch Czechoslovakia...22 Aug 1955
114Rubio Aguado Fern...Reisdoerfer1-030 ≣E20Cup European Club02 Oct 1955
117Averbakh Yuri L (...2445Rabar Braslav (YUG)1-095 ≣A17Match \
118Geller Efim P (RUS)2455Djurasevic Bozida...1-042 ≣E20Match \
501Karsa Laszlo (HUN)2395Kustar Sandor (HUN)23951-023 ≣E41Ch Hungary (team)...
836Ezat Mohamed (EGY)2459Ameir Moheb (EGY)20881-050 ≣E41Ch Arab Cities29 Oct 2009
122Rossetto Hector (...2285Toth Vano P17701-037 ≣E20It
724Gajewski Grzegorz...2515Heberla Bartlomie...25691-056 ≣E20Ch Poland03 Mar 2006
125Mastichiadis Foti...O'Riordan Kenneth...1-026 ≣E20Olympiad17 Sep 1956
506Nikolic Zoran (SRB)2225Kajganovic Miodra...22701-039 ≣E41Ch Yugoslavia (1/...
507Kopta Pavel (CZE)2299Jelinek Milan (CZE)20691-054 ≣E20It (open) (junior...
725Bukal Vladimir Jr...2443Meszaros Tamas (HUN)23521-028 ≣E20Bundesliga B Mitt...04 Mar 2006
131Geller Efim P (RUS)2455Kholmov Ratmir D ...24321-034 ≣E20Memorial Przepiorka
509Cherniack Alex (USA)2270Nute Gary A (USA)22201-028 ≣E20It \
133Shianovsky Vladis...2255Usachyi Mark (UKR)21961-040 ≣E20Ch Kiev
837Kravchuk OlegTunik Sergey (RUS)18971-033 ≣E20Ch Region30 Oct 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
727Schmidt Anton (GER)2080Oleneva Svetlana ...21101-033 ≣E20Bayern Oberliga 2...02 Apr 2006
148Owtschinkin GPopp Franz1-041 ≣E41corr.
728Karayiannis Costa...2166Low Ying-Min (SIN)19751-031 ≣E20It (open)16 Apr 2006
150Gligoric Svetozar...2447Ivkov Borislav (SRB)24161-041 ≣E20It
733Alonso Rosell Alv...2231Rodriguez Lorenzo...19361-018 ≣E20Ch Spain (schools)27 Jun 2006
894Van Vliet Dennis ...2101Feys Bert (BEL)20331-026 ≣E20Ch Flanders04 Jun 2011
517Thuemmler Manfred...2034Thal Olaf (GER)22951-040 ≣E20It (open)
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
839Altomonte Giuseppe1773Fiorentino Vincenzo15091-019 ≣E20It (open) (b)05 Jan 2010
519Jugow Alexander (...2230Weiler Ludwig20951-038 ≣E41Ch Hessen (seniors)
293Schuster GuenterWeiler Wolfgang (...21191-019 ≣E20Ch Baden (HT)
736Yermishin Viktor ...2410Lao Lenath (FRA)19561-019 ≣E20Memorial Georgiev...05 Sep 2006
166Johannessen Svein...2273Filipov F (BUL)1-041 ≣E20Olympiad
167Kristinsson (ISL)Tsagan T (MNG)1-038 ≣E20Olympiad
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣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...
177Lagland GoranKuutti Lauri1-030 ≣A17?
179Donchenko Anatoly...2385Liberzon Vladimir...24101-035 ≣A17Ch \
842Iglesias Joachim ...2244Wiley Tom E (ENG)22981-034 ≣E20It (cat.5)26 Feb 2010
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 \
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
187Kasanen JuhaSoom1-017 ≣E20Olympiad (student...
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil
189Vadasz Laszlo (HUN)2271Liljedahl Lennart...22821-045 ≣E20Ch Europe (junior...
739Santos Marcus Vin...2416Madeira Wagner Ma...22531-039 ≣E20It (open)13 Oct 2006
843Swiech Przemyslaw...1448Grudzien Piotr (POL)19771-027 ≣E41Ch Poland (junior...09 Mar 2010
844Benson Oisin P (IRL)2043Murray David (IRL)20391-037 ≣E20It (open)20 Mar 2010
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
845Horvath Jeno Kalm...2048Charleshouse Glen...21921-027 ≣E41It (open) \23 Mar 2010
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
198Spodny Josef (CZE)2079Slezacek1-026 ≣A15corr.
743Olshevskiy Maxim ...2039Rodionov Georgy (...19811-088 ≣E41Ch Ukraine (junio...06 Nov 2006
744Foisor Sabina-Fra...2326Padurariu Ioana-S...22211-047 ≣E20Ch Romania (team)...11 Nov 2006
846Chub Alexey (RUS)2094Suprunenko Yury1-034 ≣E20Tournament (Elo) \
203Nevole Vladimir (...2051Slizak1-042 ≣E20?
546Ehlvest Jaan (USA)2610Cladouras Panagio...23901-028 ≣E41It (open) \
205Piket Joop J (NED)2125Kunnen1-026 ≣E20Ch Netherlands (t...
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)
209Muratov Vladimir ...Kacaiev1-031 ≣E41Ch Kazakhstan
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
213Epelman E GProkopp Heinz1-022 ≣E20Europe Tournament...
217Porreca Giorgio (...Suta Mihai (ROM)22351-033 ≣A15World Tournament ...
178Blazek JosefSorsak Jozef Sr (...21251-044 ≣E20Ch Czechoslovakia...
889Zavadil Michal (CZE)2124Hrdina Robin (CZE)20501-029 ≣E20It \23 Apr 2011
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
849Boutsioukis Nikol...1930Galopoulos Panagi...20851-037 ≣E20It (open)10 Apr 2010
553Richardson John R...2330Copeland Graham (...22951-034 ≣E41Ch England (team)...
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
554Ghozali CholidChan James (CAN)20121-024 ≣E20Ch Asian Cities (...
851Torres Sevilla Cr...1943Martin Rodriguez ...1-034 ≣E41Memorial Francisc...25 Apr 2010
852Brustkern Juergen...2299Lyell Mark (ENG)22021-031 ≣E20It (cat.1) (a)04 May 2010
939Schulte-Braeucker...Essegern K1-028 ≣E20Ch Germany (seniors)16 Aug 2012
753Vishnyakov Igor (...2182Konyukhov Mikhail...18521-021 ≣E41Memorial Polyak17 Jan 2007
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
562Legemaat Gert (NED)2216Lambers Gerrit Hans1-026 ≣E20Tournament
896Yargici Mazhar Ku...1921Emiroglu Cankut (...22421-053 ≣E41Ch Turkey (team)02 Jul 2011
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
402Rodrigues JPOliveira Antonio ...22221-033 ≣E41It (open)
487Chiong Luis (PHI)2390Nirav Y Rajasuba ...22551-053 ≣E41It (open)
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
564Minzer Claudio Ja...2390Bombardiere Rosas...23451-054 ≣E41It (open)
69Balanel Ion (ROM)Szabo Stefan1-078E20It
565Stodolova Kristyn...1980Pecinova Magda1-064 ≣E20Ch Czech Republic...