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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
158Navas NormanTempone Marcelo (...24110-130 ≣E20Ch Pan-American (...
425Biro Peter (HUN)2199Szilagyi Peter (HUN)24120-127 ≣E20Ch Hungary (team)...
259Hurme Harri M (FIN)2258Lindberg Bengt (SWE)24141-046 ≣E20It (open)
597Adler Bo (SWE)2185Berczes David (HUN)24150-135 ≣E20Cup Rilton28 Dec 2006
287Wells Peter K (ENG)2497Grosar Aljosa (SLO)24151-036 ≣E20It (open)
771Lokander Martin (...2151Lindberg Bengt (SWE)24150-135 ≣E20Cup Rilton27 Dec 2011
28Hadjipetrov Alexa...2290Kolarov Atanas S ...24150-134 ≣E20Ch Bulgaria
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
357Van Ketel Raoul (...2286Berend Fred (LUX)24150-131 ≣E20It (open)
266Sakaev Konstantin...2495Brodsky Michail (...24151-039 ≣E20Ch URS (young mas...
722Mamedov Ruslan (UKR)2222Budnikov Oleg (UKR)24160-146 ≣E20Tournament \01 Mar 2011
681Zorko Jure (SLO)2402Grosar Aljosa (SLO)24161-038 ≣E20Ch Slovenia (team)12 Dec 2009
274Janakiev Ivan (BUL)2177Pajkovic Vladimir...24171-029 ≣E20It (cat.4)
294Diaz AdolfoParamos Dominguez...24180-143 ≣E20It (open)
590Meessen Rudolf (BEL)2303Niklasch Oliver (...24191-043 ≣E20Cup European Club13 Oct 2006
386Inocencio Edgarli...2136Kaufman Larry C (...24200-133 ≣E20It \
641Konovalov Nikolay...2434Anoshkin Alexande...24241-049 ≣E20It (open)18 Aug 2008
388Sakaev Konstantin...2600Ivanov Alexey Jr ...24240-138 ≣E20Cup European Club
549Tkachenko Evgeniy...2237Lanin Alexsej (RUS)24250-135 ≣E20Spartakiada Russi...27 Jun 2005
78Khodos German (RUS)2200Polgar Istvan (HUN)24251-030 ≣E20Olympiad (student...
580Neschetny Viktor ...2138Pavlov Sergey (UKR)24260-143 ≣E20It (open) \28 Jul 2006
586Cafolla Peter (IRL)2066Hanley Craig (ENG)24270-134 ≣E20It (open)23 Sep 2006
535Cox John J (ENG)2384Greet Andrew (ENG)24280-124 ≣E20It \29 Jan 2005
686Palliser Richard ...2445Hanley Craig (ENG)24280-127 ≣E20Ch England (team)...17 Jan 2010
598Hillarp Persson T...2567Berczes David (HUN)24300-139 ≣E20Cup Rilton02 Jan 2007
240Sakaev Konstantin...2609Emms John M (ENG)24301-037 ≣E20It
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
193Sahovic Dragutin ...2259Miralles Gilles (...24301-034 ≣E20It (open)
40Germek MilanDonner Jan-Hein (...24301-040 ≣E20It
403Yurtaev Leonid (KGZ)2520Kochyev Alexander...24301-046 ≣E20Memorial M.Chigorin
106Khodos German (RUS)2200Platonov Igor V (...24300-129 ≣E20Ch URS (1/2 final)
397Lauber Arnd (GER)2325Anka Emil (HUN)24300-123 ≣E20It (cat.8)
648Veltkamp Gerben (...2221Roeder Mathias (GER)24320-141 ≣E20Ch Belgium (team)...07 Dec 2008
532Gaule Patrick (SUI)2150Trajkovic Predrag...24320-135 ≣E20It (open)
516Volkov Sergey Vik...2628Trajkovic Predrag...24320-149E20Tournament \
32KondratievUnzicker Wolfgang...24330-139 ≣E20It
76Gheorghiu Florin ...2383Unzicker Wolfgang...24331-036 ≣E20Ch Europe (team)
512Ezat Mohamed (EGY)2383Soppe Guillermo (...24330-138 ≣E20Dos Hermanas Qual...18 Mar 2003
359Etchegaray Patric...2340Urday Henry (PER)24350-143 ≣E20It (open)
84Gipslis Aivars (LAT)2429Vitolins Alvis (LAT)24351-049 ≣E20Tournament
414Volkov Sergey Vik...2605Obukhov Alexander...24351-023 ≣E20Cup Russia (open)
413Golod Vitali (ISR)2555Solomon Stephen J...24351-040 ≣E20It (open)
744Rambaldi Francesc...2176Georgiadis Ioanni...24350-141 ≣E20It (open)16 Jul 2011
536Cebalo Miso (CRO)2512Saric Ante (CRO)24371-034 ≣E20It (open)03 Feb 2005
510Hillarp Persson T...2523Sammalvuo Tapani ...24380-140 ≣E20Ch Sweden (team) ...
588Moran Stephen (IRL)1892Hunt Harriet (ENG)24390-128 ≣E20It \30 Sep 2006
317Milov Vadim (SUI)2651Nielsen Peter Hei...24401-045 ≣E20Ch World (juniors...
120Diez Del Corral J...2470Jakobsen Ole (DEN)24401-031 ≣E20Olympiad
393Gallego Jimenez V...2385Pogorelov Ruslan ...24400-147 ≣E20It (open)
614Quinn Mark (IRL)2391Pilgaard Kim (DEN)24400-126 ≣E20Cup European Club07 Oct 2007
787Simantsev Mikhail...2548Naumkin Igor (RUS)24430-141 ≣E20It (open)09 Mar 2012
401Galvan Jesus (PER)2226Urday Henry (PER)24450-149 ≣E20Ch Peru
621Akshat Khamparia ...2337Bakre Tejas (IND)24480-147 ≣E20Ch India04 Feb 2008
250Safin Shukhrat (UZB)2472Teplitsky Yan (CAN)24481-022 ≣E20Ch Uzbekistan
123GretskinEstrin Yakov B (RUS)24500-137 ≣E20corr.
172Ree Hans (NED)2465Ligterink Gert (NED)24500-129 ≣E20Ch Netherlands
579Toth Ervin (HUN)2331Banusz Tamas (HUN)24501-037 ≣E20Ch Europe (team) ...14 Jul 2006
125Petran Pal (HUN)2384Lengyel Levente (...24501-033 ≣E20Ch Hungary
190Moskalenko Viktor...2435Yakovich Yuri (RUS)24501-031 ≣E20Ch URS
114Deze Anton (YUG)2400Komljenovic Davor...24510-130 ≣E20?
469Baklanova Tatiana...2220Bojkovic Natasa (...24520-140 ≣E20Ch Europe (w)
774Harstad Christian...1910Urkedal Frode (NOR)24530-141 ≣E20It (active)07 Jan 2012
307Draskovic Dragan ...2135Maksimovic Branim...24550-131 ≣E20Ch Yugoslavia
300Savchenko Stanisl...2505Reeh Oliver (GER)24551-040 ≣E20It (open) \
657Guerrero Alvaro (...2257Ginzburg Maximili...24551-045 ≣E20It (cat.3)18 Mar 2009
437Formanek Edward W...2298Kohlweyer Bernd (...24550-130 ≣E20It (open)
327Kitic Dusan (SRB)2269Pavlovic Milos (SRB)24550-127 ≣E20It (open)
632Vincenti David2482Brunello Sabino (...24551-031 ≣E20Ch Scotland06 Jul 2008
308Marin Mihail (ROM)2505Motwani Paul (SCO)24551-050 ≣E20Olympiad
451Volkov Sergey Vik...2554Ulko Jaroslav (RUS)24560-145 ≣E20Memorial M.Chigor...
455Aaltio Erkki (FIN)2133Veingold Aleksand...24570-129 ≣E20It (open)
229Hansen Sune Berg ...2566Panzalovic Srdjan...24581-047 ≣E20It (open)
602Nyback Tomi (FIN)2565Veingold Aleksand...24581-036 ≣E20Ch Finland (team)...10 Mar 2007
810Santos Latasa Jai...2399Inkiov Ventzislav...24600-145 ≣E20It (open)01 Aug 2012
573De Val Daniele (ITA)2182Brunello Sabino (...24600-120 ≣E20Ch Italy (team)23 Apr 2006
264Kumaran Dharshan ...2505Wells Peter K (ENG)24600-125 ≣E20It (open)
509Ulibin Mikhail (RUS)2556Barkhagen Jonas (...24610-135 ≣E20Cup Rilton
459Gheorghe Corina (...2090Peptan Corina-Isa...24620-133 ≣E20Ch Romania (w)
543Ballon Guenther J...2212Solleveld Maarten...24630-137 ≣E20It (open)29 Apr 2005
692Chueca Forcen Alb...2280Suba Mihai (ROM)24640-147 ≣E20It (open)01 Apr 2010
419Moskalenko Viktor...2471Rogovski Vladimir...24651-048 ≣E20Ukrainian Games
508Lin Ta (CHN)2418Rizouk Aimen (ALG)24651-024 ≣E20It (open)
338Cruz-Lopez Claret...2305Gomez Esteban Jua...24650-127 ≣E20Ch Spain
582Moskalenko Viktor...2543Lapshun Yury (USA)24671-021 ≣E20It (open)02 Aug 2006
739Aghasaryan Robert...2337Babujian Levon (ARM)24681-050 ≣E20Memorial Karen As...19 Jun 2011
191Cochet Jean-Danie...2059Jukic Mirko (CRO)24700-143 ≣E20It (open)
189Malaniuk Vladimir...2545Naumkin Igor (RUS)24701-048 ≣E20Memorial G.Agzamov
219Malaniuk Vladimir...2560Tolnai Tibor (HUN)24701-030 ≣E20It
531Palliser Richard ...2402Gormally Daniel (...24720-144 ≣E20Ch Great Britain ...13 Nov 2004
690Ulibin Mikhail (RUS)2544Saric Ante (CRO)24721-039 ≣E20It (open)04 Mar 2010
517Jianu Vlad-Cristi...2444Kalinin Alexander...24730-120 ≣E20It (open)26 Feb 2004
183Podat Vladimir (UKR)2318Gurevich Vladimir...24740-139 ≣E20Ch Ukraine (1/2 f...
59Wade Robert G (ENG)2148Ortega Lexy (ITA)24750-137 ≣E20Olympiad
407Solana Suarez Ern...2285Gomez Esteban Jua...24750-127 ≣E20It (open)
208Ernst Thomas (SWE)2460Barbero Gerardo F...24750-144 ≣E20It (open)
235Shirov Alexei (ESP)2580Unzicker Wolfgang...24751-038 ≣E20It
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
337Saldano Horacio (...2275Zarnicki Pablo (ARG)24750-121 ≣E20It (open)
809Papaioannou Ioann...2597Aswin Jayaram (IND)24761-041 ≣E20It (open)28 Jul 2012
561Berkes Ferenc (HUN)2596Romanov Evgeny (RUS)24791-046 ≣E20Ch World (juniors...18 Nov 2005