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Nimzo-Indian, Sämisch Variation, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

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
37Purdy Cecil J S (...Sarapu Ortvin (NZL)22551-037 ≣E20Ch Australia15 Oct 1960
333Andriana Anca (ROM)2102Peptan Corina-Isa...22550-124 ≣E20Ch Europe (junior...
376Romaszko-Van Den ...2085Aksiuczyc Monika ...22570-142 ≣E20Ch Poland (w)
165Neunhoeffer Helmu...2279Kiefer Gerhard (GER)22571-029 ≣E20Ch Baden (MA)
501Pitselis Grigorio...2132Papadopoulos I (GRE)22590-129 ≣E20Ch Greece (team)
377Pomes Marcet Juan...2420Campos Jose Felix...22600-135 ≣E20It (open)
606Cruz Lledo Pablo ...1945Uribe Arteaga Dan...22600-137 ≣E20It (cat.1)12 Apr 2007
251Crispin Thomas A ...2198Lonoff Marc (USA)22601-033 ≣A40Ch USA (corr.)
115Mileika YaLevchenkov Vitaly...22600-123 ≣E20?
39Vladimirov Boris ...2340Lein Anatoly (USA)22611-033 ≣E20Ch URS
777Coleman Teddy (USA)2356Kaufman Raymond (...22611-040 ≣E20It \08 Jan 2012
826Fusco Leonardo (ARG)2379Espinoza Palomino...22650-113 ≣E20Ch American Conti...20 Oct 2012
223Flear Glenn C (ENG)2430Dunworth Christop...22651-034 ≣E20Ch Great Britain
525Ulibin Mikhail (RUS)2556Cherniaev Alexand...22650-137 ≣E20It (open)21 Jul 2004
655Vujovic Veselin (...2028Simeonidis Ioanni...22660-131 ≣E20Ch Europe12 Mar 2009
811Santos Latasa Jai...2399Favarel Antoine (...22671-033 ≣E20It (open)02 Aug 2012
54Moehring Guenther...2294Neukirch Detlef (...22671-033 ≣E20Ch DDR
474Kaloskambis Mihai...2187Gazis Efstathios ...22680-134 ≣A40Ch Greece (team)
105Portisch Lajos (HUN)2523Nagy Ervin (HUN)22691-027 ≣E20?
511Arencibia Walter ...2516Wang Hao Yuan (CAN)22691-027 ≣E20It (sheveningen)
383Volkov Sergey Vik...2485Zangiev Pavel (RUS)22701-036 ≣E20It (open)
71Asmundsson Ingvar...2292Palmason Gudmundu...22700-128 ≣E20It
315Shirov Alexei (ESP)2710Olafsson Helgi (ISL)22701-023 ≣E20It
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
622Ionov Sergey (RUS)2543Olafsson Helgi (ISL)22701-032 ≣E20It (open) \22 Feb 2008
207Varga Mariano (ARG)2143Escandell Juan C ...22760-145 ≣E20corr.
788Belous Vladimir (...2522Chudinovskikh Ale...22761-033 ≣E20Ch Moscow11 Mar 2012
72Portisch Lajos (HUN)2523Pachman Ludek (GER)22781-023 ≣A17Olympiad
572De Val Daniele (ITA)2182Malloni Marcello ...22780-138 ≣E20Ch Italy (team)22 Apr 2006
610Capo Vidal Uriel ...2356Beltran Carlos (COL)22791-042 ≣E20Ch South America19 Jul 2007
281Rohwer Paul (USA)2225Benjamin Dan (USA)22801-034 ≣E20Ch USA (juniors) ...
44Khodos German (RUS)2200Kuijpers Frans A ...22801-040 ≣E20Olympiad (student...
418Bozinovic Bogdan ...2260Matijevic Hrvoje ...22800-132 ≣E20It (open)
143Belistri Ubaldo (...2051Dienavorian Manue...22801-048 ≣E20Ch Uruguay
50Ghitescu Theodor ...2384Soos Bela (GER)22811-036 ≣E20Ch Romania
662Savchenko Aleksei...2246Hirneise Jens (GER)22840-132 ≣E20Ch Germany (junio...10 May 2009
763Volkov Sergey Vik...2614Stockmann Michael...22841-038 ≣E20It (open)
626Ovod Evgenija (RUS)2429Maksimovic Suzana...22841-029 ≣E20Ch Europe (w)21 Apr 2008
339Bogdanovich Grigo...2385Pilgaard Kim (DEN)22850-120 ≣E20It (open)
370Neuman Petr (CZE)2155Cvek Robert (CZE)22850-133 ≣E20It (open) (juniors)
798Van Vliet Dennis ...2077Furman Boris (RUS)22850-132 ≣E20It (open)24 Jun 2012
723Shatko Danil (ESP)2097Ayas Fernandez An...22860-136 ≣E20Ch Catalunia (tea...05 Mar 2011
608Hohluks Aleksandr...2049Vedrickas Tautvyd...22870-126 ≣E20Cup Baltija (open)20 Jun 2007
457Kovacs Tamas (HUN)2210Laihonen Petteri ...22870-134 ≣E20Cup Zemplen02 Jul 2000
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
783Anfinogenov Artem...2109Kostin Konstantin...22890-136 ≣E20Ch Moscow (1/2 fi...28 Feb 2012
494Segura Ariza Jose...2181Munoz Agullo Jose...22891-040 ≣E20XVI Obert Es Vermar
346Yakovich Yuri (RUS)2515Littke Adam (CAN)22900-140 ≣E20It \
661Savchenko Aleksei...2246Graf Felix (GER)22910-148 ≣A40Ch Germany (junio...10 May 2009
291Leube Oliver (GER)1949Roemer Ulrich (GER)22920-142 ≣A40It (open) \
486Haggstrom Olle (SWE)2215Backelin Rikard (...22920-125 ≣A40Ch Sweden (team) ...
784Liedl Wolfgang (AUT)2224Neumeier Klaus (AUT)22931-040 ≣E20Bundesliga B East...03 Mar 2012
47Weise DietrichLengyel Levente (...22930-144 ≣E20Ch Europe (team)
256Khenkin Igor (GER)2624Lengyel Levente (...22931-028 ≣E20It \
209Giulian Philip M ...2294Thomson Craig S M...22930-127 ≣E20Ch West Scotland
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
26Weinstein Raymond...Denker Arnold S (...22931-041 ≣E20Ch USA
715Cruz Cristhian (PER)2497Nikolashvili Gior...22941-039 ≣E20Ch World (juniors...24 Oct 2010
20Szabo Laszlo (HUN)1903Teschner Rudolf (...22951-041 ≣E20Zt
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
505Marinangeli Marti...2139Arambel Sergio (ARG)22961-038 ≣E20Ch City (match)
504Marinangeli Marti...2139Arambel Sergio (ARG)22960-142 ≣E20Ch City (match)
527Simantsev Mikhail...2402Goltsov Denis (RUS)22961-020 ≣A40It (c)30 Aug 2004
449Porras RubenVaras Carlos (CHI)22970-19 ≣E20It (open)
82Taimanov Mark E (...2386Hamann Svend (DEN)22981-033 ≣E20It \
80Petersen Sejer Ho...Hamann Svend (DEN)22981-041 ≣E20Ch Denmark
585Terrieux Kevin (FRA)2345Bleunven Andre (FRA)22981-031 ≣E20Ch France (access...24 Aug 2006
292Schipkov Boris (RUS)2330Sziraki Tamas (HUN)22990-132 ≣E20It (open) \
503Likavsky Tomas (SVK)2449Bayer Bernhard (GER)23001-036 ≣E20It (cat.3)
18Korchnoi Viktor (...2556Bykov Valery (RUS)23011-045 ≣E20Ch Leningrad
678Palliser Richard ...2413Pritchett Craig W...23031-037 ≣E20It (active) \21 Nov 2009
748Grower Sahaj (IND)2514Kunal M (IND)23041-043 ≣E20Ch World (juniors...03 Aug 2011
45Sliwa Bogdan (POL)2235Kostro Jerzy (POL)23051-047 ≣E20Ch Poland
534Lettieri Giuseppe...2265Guido Flavio (ITA)23051-034 ≣E20It (open)06 Jan 2005
802Grujic Nebojsa (SRB)2156Skovgaard Peter (...23060-134E20Ch Central Serbia...07 Jul 2012
612Hejl Jaroslav (CZE)2076Vyskocil Neklan (...23081-045 ≣E20It (open)30 Jul 2007
642Meerovich IlanHarper Warren (USA)23091-025 ≣E20US Chess League27 Aug 2008
355Rittler Robert (AUT)2199Janetschek Karl (...23100-131 ≣E20Staatsliga B East...
336Krizsany Laszlo (...2395Apel Stefan (GER)23101-035 ≣E20It (cat.3)
592La-Manna Francesc...2119Vezzosi Paolo (ITA)23111-021 ≣E20It (open)27 Oct 2006
591Loi Andrea (ITA)2069Vezzosi Paolo (ITA)23110-127 ≣E20It (open)22 Oct 2006
444Likavsky Tomas (SVK)2409Bartel Mateusz (POL)23131-021 ≣E20It (open)
786Yudkevich Mikhail...2200Demianjuk Alexand...23131-031 ≣E20Ch Moscow (1/2 fi...05 Mar 2012
435Erdogan Hakan (TUR)2217Olsen Heini (FAI)23130-147 ≣E20Olympiad
177Brinck-Claussen B...2263Kruszynski Wlodzi...23141-029 ≣E20It (open) \
38Weise DietrichClemens Christian...23140-148 ≣E20Ch BRD
679Ubiennykh Ekateri...2270Pavlov Oleg (RUS)23141-030 ≣E20Tournament (Elo)
225Danner Georg (AUT)2408Brglez Rado (SLO)23150-141 ≣E20It (cat.8)
633Wiedermann Daniel...2161Genser Harald (AUT)23151-038 ≣E20Ch Austria19 Jul 2008
153Kataev Simcho (RUS)2246Tavadian Hrachik ...23150-124 ≣E20Olympiad URS
351Hubert Ralf (GER)2293Rechmann Peter (GER)23160-148 ≣E20It (open)
533Cebalo Miso (CRO)2520Di-Caro Calogero ...23171-025 ≣A40It (cat.8)30 Dec 2004
302Matveeva Svetlana...2425Van Gisbergen Sta...23191-033 ≣E20It (open)
192Murshed Niaz (BAN)2475Mithrakanth Poorn...23201-024 ≣E20?
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
1Euwe Max (NED)Golombek Harry (ENG)23201-038 ≣E20
140HoewelBusch Raimund (GER)23200-146 ≣E20Ch NRW
780Shyam Sundar M (IND)2462Zemerov Vladimir ...23230-140 ≣E20It (open)01 Feb 2012
498Meynard Thibault ...2242Guadalpi David (FRA)23241-035 ≣E20Ch France (team) ...