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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
496Bjornes Leif (NOR)1976Hansen Anders (SWE)17230-142 ≣E20It (open) \
415Nguyen Chi-Minh (...2401Spiridonov Nikola...24050-126 ≣E20It (open) \
272Golod Vitali (ISR)2579Pushkov Nikolai (...24041-034 ≣E20It (open) \
580Neschetny Viktor ...2138Pavlov Sergey (UKR)24260-143 ≣E20It (open) \28 Jul 2006
566Cafolla Peter (IRL)2066Sbia Bachir (MAR)19221-031 ≣E20It (open) \02 Feb 2006
211Brinck-Claussen B...2263Schandorff Lars (...24941-044 ≣E20It (open) \
781Arvola Benjamin (...2261Mastalerz Xavier ...21351-035 ≣A40It (open) \02 Feb 2012
293Juarez Alberto (ARG)2244Kanefsck Gustavo ...23730-141 ≣E20It (open) \
373Ostrowski Andrzej...2265Galkiewicz Darius...22221-046 ≣E20It (open) (a)
456Bairachny Ruslan ...2442Shkliar Alexander...22461-027 ≣E20It (open) (a)
372Etchegaray Patric...2340Jerez Perez Alfon...23550-136 ≣E20It (open) (a)
409Bodnar Ovidiu (ROM)2133Zhidkov Valery S ...24000-133 ≣E20It (open) (a)
617Khenkin Igor (GER)2600Rodriguez Amador ...24811-035 ≣E20It (open) (active)03 Nov 2007
375Alcala Valiente J...2133Marciano David (FRA)24800-130 ≣E20It (open) (active)
465Pomes Marcet Juan...2399Adams Michael (ENG)27310-136 ≣E20It (open) (active) \
354Krizsany Laszlo (...2395Berset Philippe (...20761-023 ≣E20It (open) (b)
584La Manna Andrea (...2189Madiai Federico (...22161-028 ≣E20It (open) (b)21 Aug 2006
704Brokken Dennis (NED)2313Kirsanova Ekateri...21541-032 ≣E20It (open) (b)28 Jul 2010
277Loebler Heimo (AUT)2153Chloupek Stanisla...23381-026 ≣E20It (open) (juniors)
370Neuman Petr (CZE)2155Cvek Robert (CZE)22850-133 ≣E20It (open) (juniors)
278Krizsany Laszlo (...2445Csoke Adrienn (HUN)20971-041 ≣E20It (open) (junior...
511Arencibia Walter ...2516Wang Hao Yuan (CAN)22691-027 ≣E20It (sheveningen)
726Zivanic Marko (SRB)2479Panchanathan Mage...25861-022 ≣E20It (sheveningen) \13 Mar 2011
824Menezes Christoph...2303Rindlisbacher Lar...23340-127 ≣E20It (team) (active) \14 Oct 2012
214Karolyi Tibor Jr ...2346Maric Alisa (SRB)23550-140 ≣E20It (young masters)
242Arencibia Walter ...2425Lobron Eric (GER)25451-030 ≣E20Izt
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
232Prudnikova Svetla...2349Misanovic Vesna (...23261-029 ≣E20Izt (w)
258Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-031 ≣E20Match
326Piket Jeroen (NED)2590Korchnoi Viktor (...26250-135 ≣E20Match
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
257Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-028 ≣E20Match
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
477Erdogan Hakan (TUR)2212Ivanchuk Vassily ...26990-142 ≣E20Match (exhibition...
411Behrhorst Frank (...2290Mossakowski Flori...22150-126 ≣E20Memorial Arnold J...
651Zentai Peter (HUN)2219Antos Zoltan (HUN)20871-028 ≣E20Memorial Bela Per...15 Jan 2009
297Chapman RogerEriksen Ove P1-029 ≣A40Memorial F.Bogaty...
574Konovalov Nikolay...2443Bagirov Rufat (AZE)25040-146 ≣D31Memorial F.Pripis
189Malaniuk Vladimir...2545Naumkin Igor (RUS)24701-048 ≣E20Memorial G.Agzamov
448Arencibia Walter ...2513Del Rio Angelis S...24671-050 ≣A40Memorial G.Garcia...
671Wiersma Eelke (NED)2403Wells Peter K (ENG)24981-039 ≣E20Memorial G.Staunt...12 Aug 2009
160Welling Gerard (NED)2322Brusila1-035E20Memorial Heilimo ...
813Timofeev Artyom (...2641Nukin Ashat (KAZ)23471-038 ≣E20Memorial Izmailov...11 Aug 2012
238Arencibia Walter ...2425Franco Ocampos Ze...24951-030 ≣E20Memorial J.Capabl...
670Janakiev Ivan (BUL)2232Ljangov Petar (BUL)21241-049 ≣E20Memorial Kamen Pi...02 Aug 2009
739Aghasaryan Robert...2337Babujian Levon (ARM)24681-050 ≣E20Memorial Karen As...19 Jun 2011
412Romaszko-Van Den ...2085Alienkin Aleksand...23650-140 ≣E20Memorial Karl Wag...
797Aghasaryan Robert...2339Torosyan Norayr (...21371-037 ≣E20Memorial K.Asrian...23 Jun 2012
514Khenkin Igor (GER)2587Palac Mladen (CRO)25431-024 ≣E20Memorial Leonardo...25 Apr 2003
741Iljushin Alexei (...2523Faizrakhmanov Ram...21711-029 ≣E20Memorial L.Poluga...06 Jul 2011
403Yurtaev Leonid (KGZ)2520Kochyev Alexander...24301-046 ≣E20Memorial M.Chigorin
451Volkov Sergey Vik...2554Ulko Jaroslav (RUS)24560-145 ≣E20Memorial M.Chigor...
669Nyback Tomi (FIN)2627Macieja Bartlomie...26120-134 ≣E20Memorial M.Najdor...24 Jul 2009
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
13Benko Pal C (USA)2408Dely Peter (HUN)23911-042 ≣E20Memorial Szikra
545Mohnblatt Daniel ...1895Quach Charlie (FRA)21020-141 ≣E20Memorial V.Syre (...08 May 2005
308Marin Mihail (ROM)2505Motwani Paul (SCO)24551-050 ≣E20Olympiad
309Shirov Alexei (ESP)2710Georgiev Kiril (MKD)26100-139 ≣E20Olympiad
121Kirsch Michael2200Wostin Rik H (BEL)22500-141 ≣E20Olympiad
435Erdogan Hakan (TUR)2217Olsen Heini (FAI)23130-147 ≣E20Olympiad
56Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
72Portisch Lajos (HUN)2523Pachman Ludek (GER)22781-023 ≣A17Olympiad
58Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
712Alvarez Johan (VEN)2414Kett T (WLS)22191-041 ≣E20Olympiad25 Sep 2010
111Diez Del Corral J...2415Belkadi Ridha (TUN)23451-032 ≣E20Olympiad
59Wade Robert G (ENG)2148Ortega Lexy (ITA)24750-137 ≣E20Olympiad
120Diez Del Corral J...2470Jakobsen Ole (DEN)24401-031 ≣E20Olympiad
710Halay Taufik (INA)2358Garcia Raul (AND)22361-039 ≣E20Olympiad24 Sep 2010
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
104Diaconescu PaulMueller Horst (AUT)20471-044 ≣E20Olympiad (corr.)
168Molenbroek HansFabri Ferenc (HUN)20550-138 ≣E20Olympiad (corr.)
640Rosenthal Jonatha...2208Mohan Rahul (KEN)16151-032E20Olympiad (juniors...17 Aug 2008
44Khodos German (RUS)2200Kuijpers Frans A ...22801-040 ≣E20Olympiad (student...
78Khodos German (RUS)2200Polgar Istvan (HUN)24251-030 ≣E20Olympiad (student...
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
675Petrosyan Tigran ...2073Sathyanandha Sara...19701-046 ≣E20Olympiad (under 16)28 Sep 2009
153Kataev Simcho (RUS)2246Tavadian Hrachik ...23150-124 ≣E20Olympiad URS
85Bellin Jana (ENG)2133Norman Dinah M (ENG)19021-046 ≣A40Olympiad (w)
215Woestmann Hans Jo...Spenner Frank1-032 ≣E20Regionalliga NordS
490Stephan Eberhard ...2137Gerl Hans Dr (GER)20861-042 ≣E20Regionalliga Nort...15 Dec 2002
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
549Tkachenko Evgeniy...2237Lanin Alexsej (RUS)24250-135 ≣E20Spartakiada Russi...27 Jun 2005
355Rittler Robert (AUT)2199Janetschek Karl (...23100-131 ≣E20Staatsliga B East...
356Krizsany Laszlo (...2445Rittler Robert (AUT)21991-038 ≣E20Staatsliga B East...
406Rudolph Johannes ...2288Lendwai Reinhard ...23750-140 ≣E20Staatsliga B Sout...
253Arne Mike (USA)2270Osbun Eric1-033 ≣E20Tournament
361Cruz-Lopez Claret...2315Gomara J1-032 ≣E20Tournament
12Tal Mikhail N (LAT)2520Etruk Rein T (EST)23981-040 ≣E20Tournament
463Tyomkin Dimitri (...2497Christiansen Larr...25701-027 ≣A40Tournament
51Richardson Keith ...2137Wade Robert G (ENG)21480-136 ≣E20Tournament
84Gipslis Aivars (LAT)2429Vitolins Alvis (LAT)24351-049 ≣E20Tournament
92Ageichenko Genadi...2343Smyslov Vassily (...24940-132 ≣E20Tournament
145Vladimirov Boris ...2340Gerasimov Nikolay...20921-021 ≣E20Tournament
35Porreca Giorgio (...Tatai Stefano (ITA)23671-044 ≣E20Tournament
654Leon Varela Luis ...2121Santana Montero P...19781-022 ≣E20Tournament18 Feb 2009
516Volkov Sergey Vik...2628Trajkovic Predrag...24320-149E20Tournament \