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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
524Hillarp Persson T...2523Ong Kezli (SWE)23250-140 ≣E20Ch Sweden20 Jul 2004
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
395Shishkin Vladimir...2169Rodriguez Lopez R...23251-040 ≣E20It (b)
779Ansell Alan (NZL)2079Sukandar Irine Kh...23250-132 ≣E20It (open)21 Jan 2012
232Prudnikova Svetla...2349Misanovic Vesna (...23261-029 ≣E20Izt (w)
452Adler Bo (SWE)2245Couso Luis (SWE)23270-138 ≣E20Ch Sweden (team) ...
286Matveeva Svetlana...2425Bojkovic Natasa (...23300-128 ≣E20It \
384Abromaitis Marius...2059Macionis Andrius ...23330-143 ≣E20It (open)
824Menezes Christoph...2303Rindlisbacher Lar...23340-127 ≣E20It (team) (active) \14 Oct 2012
157Bulthaupt Freerk ...2176Rhodin Bodo (GER)23350-144 ≣E20Bundesliga (2nd) ...
410Aaltio Erkki (FIN)2133Raaste Eero J (FIN)23350-134 ≣E20Ch Finland (team)...
522Khenkin Igor (GER)2587Ayas Fernandez An...23361-046 ≣E20It (open)04 Jul 2004
502Frangez Simon (SLO)2195Bratovic Blaz (SLO)23360-131 ≣E20It (open)
202Roschlau BVerat Laurent (FRA)23381-028 ≣E20It (open)
277Loebler Heimo (AUT)2153Chloupek Stanisla...23381-026 ≣E20It (open) (juniors)
363Kos Sebastian (GER)2208Von Gleich Alexan...23400-126 ≣E20Bundesliga (2nd) ...
231Sokolov Sergey M ...Aleksandrov Aleks...23401-039 ≣E20Ch URS (qual)
685Richter Michael (...2459De Verdier Michae...23411-042 ≣E20Cup Rilton (open)04 Jan 2010
280Dao Thien Hai (VIE)2493Tzoumbas Anastasi...23410-129 ≣E20Ch World (juniors)
217Pieterse Gert (NED)2361Bosman Michiel (NED)23420-146 ≣E20It (open)
212Ballon Guenther J...2183Pritchett Craig W...23431-042 ≣E20It (open)
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
541Guthrie David (NZL)2184Hinks-Edwards Tho...23430-121 ≣E20It (open)26 Mar 2005
331Hashimov RStrebkovs Andrejs...23440-136 ≣A40Ch Europe (junior...
111Diez Del Corral J...2415Belkadi Ridha (TUN)23451-032 ≣E20Olympiad
631Harley-Yeo Gareth...2036Radovanovic Jovic...23450-130 ≣E20Ch South Wales (o...05 Jul 2008
813Timofeev Artyom (...2641Nukin Ashat (KAZ)23471-038 ≣E20Memorial Izmailov...11 Aug 2012
479De Santis Alessio...2267Mantovani Renzo (...23491-040 ≣E20Ch Italy
404Dubinskaya M (UKR)2081Lomineishvili Mai...23500-147 ≣E20Ch Europe (junior...
659Kalka Arkadius Ge...2373Neimer Vitaly (ISR)23500-127 ≣E20It (cat.4) \20 Apr 2009
275Misanovic Vesna (...2326Nutu-Gajic Dana (...23501-047 ≣E20Cup Yugoslavia (w)
129Kirsch Gerard (LUX)1957Pritchett Craig W...23500-130 ≣E20It (open)
629Bluvshtein Mark (...2557Paschall William ...23511-028 ≣E20It (cat.7)10 Jun 2008
676Villegas Pierre (...2202Dobrev Nanko (BUL)23520-128 ≣E20Ch France (team) ...04 Oct 2009
263Bode Ulf (GER)2220Becker Marcel (GER)23530-133 ≣E20Bundesliga 1990/9...
495Khenkin Igor (GER)2587Guido Flavio (ITA)23531-041E20It (open)
646Bouget Alexandre ...1998Jolly Jean-Franco...23550-119 ≣E20It (open)
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
372Etchegaray Patric...2340Jerez Perez Alfon...23550-136 ≣E20It (open) (a)
214Karolyi Tibor Jr ...2346Maric Alisa (SRB)23550-140 ≣E20It (young masters)
23Portisch Lajos (HUN)2523Padevsky Nikola (...23551-049 ≣A17It
689Simantsev Mikhail...2541Mischuk Dmitry (UKR)23551-042 ≣E20It (cat.7)
146Vladimirov Boris ...2340Gerasimov N (RUS)23551-021 ≣E20?
389Laveryd Peter (SWE)2310Lindberg Bengt (SWE)23551-047 ≣E20Ch Sweden (team) ...
473Roeschlau Bernd (...2314Kersten Uwe (GER)23571-043 ≣E20Ch Hessen
443Solon Nathan (USA)2278Sarkar Justin (USA)23570-125 ≣A40It \
428Shariyazdanov And...2588Brumen Dinko (CRO)23601-032 ≣E20Ch Croatia (team)...
350Yakovich Yuri (RUS)2515Montecatine Rios ...23611-047 ≣E20It (open)
261Khenkin Igor (GER)2624Schneider Lars-Ak...23641-031 ≣E20It \
237Davies Nigel R (ENG)2475Schneider Lars-Ak...23640-129 ≣E20It \
381Dearing Eddie (SCO)2185Lalic Susan (ENG)23650-139 ≣E20It (open)
412Romaszko-Van Den ...2085Alienkin Aleksand...23650-140 ≣E20Memorial Karl Wag...
366Gallego Jimenez V...2355Del Rio Angelis S...23651-024 ≣A40Ch City
35Porreca Giorgio (...Tatai Stefano (ITA)23671-044 ≣E20Tournament
649Neverov Valeriy (...2571Eggleston David (...23681-041 ≣E20It (masters)29 Dec 2008
638Auckland Elliott ...2017Eggleston David (...23680-128 ≣E20Ch Great Britain04 Aug 2008
358Knuth Hannes (GER)2265Gerstner Wolfgang...23701-024 ≣E20Ch Germany
58Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
56Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
342Ionescu-Ilie Vior...Zak Uriel (ISR)23700-147 ≣E20It (open)
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
575Moskalenko Viktor...2543Cruz Filemon (PER)23711-037 ≣E20It (open)
491Ezat Mohamed (EGY)2383Arab Adlane (ALG)23710-142 ≣E20Ch Africa
742Silva Rodriguez F...2140Carstensen Jacob ...23720-129 ≣E20It (open)10 Jul 2011
475Salmela Hannu (FIN)2058Maki-Uuro Miikka ...23730-143 ≣E20Ch Finland (team)...
293Juarez Alberto (ARG)2244Kanefsck Gustavo ...23730-141 ≣E20It (open) \
743Cebalo Miso (CRO)2478Carron Julien (SUI)23740-137 ≣A17Ch Switzerland (o...13 Jul 2011
116Carbone ADebarnot Roberto ...23750-133 ≣E20It
60Bukic Enver (SLO)2383Sofrevski Jovan (...23751-040 ≣E20It
406Rudolph Johannes ...2288Lendwai Reinhard ...23750-140 ≣E20Staatsliga B Sout...
344Crouch Colin S (ENG)2395Lalic Susan (ENG)23751-036 ≣E20It (open)
17Portisch Lajos (HUN)2523Bilek Istvan (HUN)23751-032 ≣E20Ch Hungary
583Moskalenko Viktor...2543Cuadras Avellana ...23751-030 ≣E20It (open)19 Aug 2006
405Galiano ADel Rio Angelis S...23750-118 ≣E20Ch Spain
652Akshat Khamparia ...2273Sharma Dinesh K (...23761-032 ≣E20It (open)
552Moskalenko Viktor...2529Cuadras Avellana ...23761-025 ≣E20It (open)19 Aug 2005
109Ligterink Gert (NED)2405Harandi Khosro (IRI)23771-039 ≣E20Ch World (juniors)
765Shaw Peter (ENG)2180Polaczek Richard ...23770-137 ≣E20Ch England (team)...13 Nov 2011
228Hansen Sune Berg ...2566Groenn Atle (NOR)23780-148 ≣E20It (open)
423Cafolla Peter (IRL)2108Daly Colm (FID)23780-137 ≣E20Ch Ireland
711Aguiar Lucas (BRA)2070Coelho Luis (BRA)23810-141 ≣E20It (open)25 Sep 2010
665Schroer Marcel (NED)2128Tjiam Dharma (NED)23810-135 ≣E20It (open)30 May 2009
454Ulibin Mikhail (RUS)2583Quinn Mark (IRL)23811-031 ≣E20It (open)
434Karner Christoph ...2280Mahdi Khaled (AUT)23810-142 ≣E20Ch Austria
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
260Chabanon Jean-Luc...2481Pira Davoud (FRA)23821-026 ≣E20Ch France (team)
187Moskalenko Viktor...2435Karpman Vadim (UKR)23821-026 ≣E20It
688Galyas Miklos (HUN)2484Berend Fred (LUX)23821-027 ≣E20It (cat.7)26 Jan 2010
243Khenkin Igor (GER)2624Karpman Vadim (UKR)23821-026 ≣E20Ch URS (young mas...
660Sesma Rubio Patxi...2128Mascaro March Ped...23820-135 ≣E20Ch Spain (team) (...01 May 2009
523Kirszenberg Marc ...2233Hinks-Edwards Tho...23830-140 ≣E20Ch Paris (open)05 Jul 2004
747Thybo Jan2162Buckley Graeme (ENG)23831-048 ≣E20Ch Great Britain27 Jul 2011
767Grower Sahaj (IND)2515Buckley Graeme (ENG)23831-041 ≣E20It (open)09 Dec 2011
674Rosenthal Joachim...2240Toth Ervin (HUN)23840-128 ≣E20It (open)05 Sep 2009
248Yurtaev Leonid (KGZ)2472Utemov Vladimir (...23851-048 ≣E20Ch URS (club)
487Hellborg Teodor (...2240Schneider Lars-Ak...23850-130 ≣E20Ch Sweden (team) ...
334Liardet Fabrice (...2270Siegel Georg (GER)23850-135 ≣E20It (open)
555Grabliauskas Virg...2430Groenn Atle (NOR)23861-036 ≣E20Cup European Club...24 Sep 2005
432Moskalenko Viktor...2508Jerez Perez Alfon...23861-031 ≣E20It (open)
600Yudkevich Mikhail...2157Reshetnikov Alexe...23880-128 ≣E20Ch Moscow (1/2 fi...