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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
465Pomes Marcet Juan...2399Adams Michael (ENG)27310-136 ≣E20It (open) (active) \
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
179Arencibia Walter ...2335Agdestein Simen (...25451-040 ≣E20Ch World (juniors)
453Salmela Hannu (FIN)2047Agopov Mikael (FIN)23990-149 ≣E20It (open)
137Pyhala Antti (FIN)2305Ahonen Tauno1-026 ≣E20?
599Milov Vadim (SUI)2680Akobian Varuzhan ...25851-037 ≣E20It (open)18 Feb 2007
653Solomin Maxim (RUS)1958Aksenov Anton1-038 ≣E20Ch City (1 league)14 Feb 2009
376Romaszko-Van Den ...2085Aksiuczyc Monika ...22570-142 ≣E20Ch Poland (w)
694Cebrian Flores Ju...1642Alcaraz Ortega Ja...22290-130 ≣E20Ch Valencia (juni...07 Apr 2010
231Sokolov Sergey M ...Aleksandrov Aleks...23401-039 ≣E20Ch URS (qual)
758Sisatto Olli (FIN)2236Alekseev Evgeny (...26590-128 ≣E20Cup European Club25 Sep 2011
412Romaszko-Van Den ...2085Alienkin Aleksand...23650-140 ≣E20Memorial Karl Wag...
322Krizsany Laszlo (...2455Almasi Zoltan (HUN)25800-126 ≣E20Ch Hungary (team)...
269Dreev Alexey (RUS)2610Anand Viswanathan...26500-136 ≣E20Ch World (match) ...
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
730Bocharov Dmitry (...2582Andreikin Dmitry ...27050-142 ≣E20Ch Russia (active)25 Apr 2011
822Samdanov Samdan (...2221Angarov Dmitriy (...19121-033 ≣E20Ch Buryatia30 Sep 2012
397Lauber Arnd (GER)2325Anka Emil (HUN)24300-123 ≣E20It (cat.8)
49Velimirovic Drago...2407Ankerst Marjan (SLO)22101-041 ≣A17Cup Yugoslavia
641Konovalov Nikolay...2434Anoshkin Alexande...24241-049 ≣E20It (open)18 Aug 2008
636Galyas Miklos (HUN)2454Antal Laszlo (HUN)22021-032 ≣E20It (open) \24 Jul 2008
513Slupik ChrisAnton Teodor (ROM)20920-131E20Dos Hermanas Qual...18 Mar 2003
651Zentai Peter (HUN)2219Antos Zoltan (HUN)20871-028 ≣E20Memorial Bela Per...15 Jan 2009
336Krizsany Laszlo (...2395Apel Stefan (GER)23101-035 ≣E20It (cat.3)
491Ezat Mohamed (EGY)2383Arab Adlane (ALG)23710-142 ≣E20Ch Africa
540Kretchetov Alexan...2314Aradhyula Vaishna...21481-026 ≣E20It \25 Mar 2005
504Marinangeli Marti...2139Arambel Sergio (ARG)22960-142 ≣E20Ch City (match)
505Marinangeli Marti...2139Arambel Sergio (ARG)22961-038 ≣E20Ch City (match)
314Shirov Alexei (ESP)2710Arnason Jon L (ISL)25250-143 ≣E20It
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
42Luik Helmuth (EST)2209Arulaid Alexander...0-148 ≣A15Ch Estonia
112Khodos German (RUS)2200Asaturian S (RUS)1-029 ≣E20?
304Kilpi Teemu (FIN)2135Aseev Konstantin ...25600-137 ≣E20It (open)
442Solon Nathan (USA)2278Ashley Maurice (USA)24820-146 ≣E20It \
809Papaioannou Ioann...2597Aswin Jayaram (IND)24761-041 ≣E20It (open)28 Jul 2012
569Braun Arik (GER)2525Atlas Valeri (AUT)24821-039 ≣E20It (cat.12)02 Mar 2006
488Steinmacher Josef...2090Auer Dieter1-044 ≣E20Ch Baden (MA)
595Demin Dmitry (RUS)1714Avanesyan Georgy ...19790-129 ≣A17Ch Region (1 liga)10 Dec 2006
522Khenkin Igor (GER)2587Ayas Fernandez An...23361-046 ≣E20It (open)04 Jul 2004
723Shatko Danil (ESP)2097Ayas Fernandez An...22860-136 ≣E20Ch Catalunia (tea...05 Mar 2011
739Aghasaryan Robert...2337Babujian Levon (ARM)24681-050 ≣E20Memorial Karen As...19 Jun 2011
486Haggstrom Olle (SWE)2215Backelin Rikard (...22920-125 ≣A40Ch Sweden (team) ...
574Konovalov Nikolay...2443Bagirov Rufat (AZE)25040-146 ≣D31Memorial F.Pripis
682Khenkin Igor (GER)2634Bagri Jaspaul (SUI)22251-044 ≣E20It (open)27 Dec 2009
621Akshat Khamparia ...2337Bakre Tejas (IND)24480-147 ≣E20Ch India04 Feb 2008
579Toth Ervin (HUN)2331Banusz Tamas (HUN)24501-037 ≣E20Ch Europe (team) ...14 Jul 2006
529Erdogan Hakan (TUR)2220Baramidze David (...25430-137 ≣E20Cup European Club03 Oct 2004
208Ernst Thomas (SWE)2460Barbero Gerardo F...24750-144 ≣E20It (open)
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
509Ulibin Mikhail (RUS)2556Barkhagen Jonas (...24610-135 ≣E20Cup Rilton
422Cano Sanchez Josu...2277Baron Rodriguez J...24091-041 ≣E20Ch Spain (team) (...
476Blanchard Jody (FRA)1440Barre Yann (FRA)19691-034 ≣A40Ch France (team) ...
729Bluvshtein Mark (...2593Barrientos Sergio...25071-044 ≣E20Ch American Conti...19 Apr 2011
52Tal Mikhail N (LAT)2520Barstatis Reinhar...22400-143 ≣E20?
444Likavsky Tomas (SVK)2409Bartel Mateusz (POL)23131-021 ≣E20It (open)
194Schreiber Hans (GER)1981Bascetta Biagio0-122 ≣E20Europe Tournament...
819Toth Ervin (HUN)2477Battey Alexander ...23961-037 ≣E20It (cat.8)01 Sep 2012
321Vogel Joerg (GER)2047Baumer F1-045 ≣E20Ch Saarland (MV)
503Likavsky Tomas (SVK)2449Bayer Bernhard (GER)23001-036 ≣E20It (cat.3)
571Grigorieva Olga (...Bazhenova Dina (RUS)18710-130 ≣E20Ch Russia (junior...
263Bode Ulf (GER)2220Becker Marcel (GER)23530-133 ≣E20Bundesliga 1990/9...
288Shirov Alexei (ESP)2710Beliavsky Alexand...25950-140 ≣E20It
111Diez Del Corral J...2415Belkadi Ridha (TUN)23451-032 ≣E20Olympiad
752Teutsch Alexander1896Bellincampi Stefa...20671-030 ≣E20It (open)25 Aug 2011
610Capo Vidal Uriel ...2356Beltran Carlos (COL)22791-042 ≣E20Ch South America19 Jul 2007
281Rohwer Paul (USA)2225Benjamin Dan (USA)22801-034 ≣E20Ch USA (juniors) ...
701Ulibin Mikhail (RUS)2544Bentefrit Samir (...21991-022 ≣E20It (open)26 Jun 2010
598Hillarp Persson T...2567Berczes David (HUN)24300-139 ≣E20Cup Rilton02 Jan 2007
597Adler Bo (SWE)2185Berczes David (HUN)24150-135 ≣E20Cup Rilton28 Dec 2006
688Galyas Miklos (HUN)2484Berend Fred (LUX)23821-027 ≣E20It (cat.7)26 Jan 2010
357Van Ketel Raoul (...2286Berend Fred (LUX)24150-131 ≣E20It (open)
484Hillarp Persson T...2482Berg Emanuel (SWE)25271-046 ≣A40Ch Sweden
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
354Krizsany Laszlo (...2395Berset Philippe (...20761-023 ≣E20It (open) (b)
306Mester Gyula (HUN)2425Besztercsenyi Tib...21710-142 ≣E20Ch Hungary (team)...
17Portisch Lajos (HUN)2523Bilek Istvan (HUN)23751-032 ≣E20Ch Hungary
226Tisdall Jonathan ...2465Bjarnason Saevar ...21291-030 ≣E20It (cat.9)
820Sandhoefner Flori...2228Blasl Dietmar (AUT)20701-039 ≣E20It (open)02 Sep 2012
585Terrieux Kevin (FRA)2345Bleunven Andre (FRA)22981-031 ≣E20Ch France (access...24 Aug 2006
141Slavov Dimcho (BUL)2225Bobotsov Milko G ...24050-138 ≣E20It
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
469Baklanova Tatiana...2220Bojkovic Natasa (...24520-140 ≣E20Ch Europe (w)
286Matveeva Svetlana...2425Bojkovic Natasa (...23300-128 ≣E20It \
74Barczay Laszlo (HUN)2381Bokor Istvan (HUN)22261-031 ≣E20Ch Hungary
528PunteriBoldrin Marco (ITA)18691-033 ≣E20It (open)06 Sep 2004
134Toliusis LBoness A1-029 ≣E20World Tournament ...
611Hernandez Rodney ...2100Borges Oliver (CUB)21481-036 ≣E20Tournament (b)20 Jul 2007
217Pieterse Gert (NED)2361Bosman Michiel (NED)23420-146 ≣E20It (open)
394Sbarra Marco (ITA)2280Bossi Alessandro ...20191-031 ≣E20It (open)
150Tarjan James E (USA)2510Botterill George ...24001-038 ≣E20It
696Muheim Sebastian ...2175Boure Hugo (FRA)19091-040 ≣E20Ch France (junior...12 Apr 2010
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
519Cutmore David A (...2092Boyce G Michael (...20571-041 ≣E20Ch England (team)...28 Mar 2004
647Posedaru Bogdan (...2212Bozilov Dragan (SRB)18631-018 ≣E20It (open)27 Nov 2008
169FleckBraskin O1-035 ≣A15corr.
520Nedberg Benjamin ...2113Brasoy Aksel (NOR)19841-037 ≣E20Ch Norway (open)09 Apr 2004
502Frangez Simon (SLO)2195Bratovic Blaz (SLO)23360-131 ≣E20It (open)
225Danner Georg (AUT)2408Brglez Rado (SLO)23150-141 ≣E20It (cat.8)
266Sakaev Konstantin...2495Brodsky Michail (...24151-039 ≣E20Ch URS (young mas...