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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
63Kottnauer Cenek (...2370Nora Georges1-027 ≣E20It
499Nguyen Chi-Minh (...2370Van Den Doel Erik...25600-125 ≣E20Ch France (team) ...
659Kalka Arkadius Ge...2373Neimer Vitaly (ISR)23500-127 ≣E20It (cat.4) \20 Apr 2009
246Agdestein Espen (...2374Chavannes Ivar (NOR)21481-040 ≣E20Ch Norway (team)
332Nilssen John Arni...2378Hedman Erik (SWE)23921-041 ≣E20Ch Europe (juniors)
826Fusco Leonardo (ARG)2379Espinoza Palomino...22650-113 ≣E20Ch American Conti...20 Oct 2012
801Coleman Teddy (USA)2379Shyam Nikil P (IND)25020-124 ≣E20It \06 Jul 2012
481Pomes Marcet Juan...2380Tome Vazquez Osca...20011-031 ≣E20It (open)
74Barczay Laszlo (HUN)2381Bokor Istvan (HUN)22261-031 ≣E20Ch Hungary
184Armas Jorge (CUB)2381Lebredo Gerardo (...22400-127 ≣E20?
284Pein Malcolm (ENG)2382Farago Ivan (HUN)25100-144 ≣E20It (open)
770Galojan Lilit (ARM)2383Zhao Xue (CHN)25410-148 ≣E20Ch World (team) (w)20 Dec 2011
512Ezat Mohamed (EGY)2383Soppe Guillermo (...24330-138 ≣E20Dos Hermanas Qual...18 Mar 2003
60Bukic Enver (SLO)2383Sofrevski Jovan (...23751-040 ≣E20It
491Ezat Mohamed (EGY)2383Arab Adlane (ALG)23710-142 ≣E20Ch Africa
76Gheorghiu Florin ...2383Unzicker Wolfgang...24331-036 ≣E20Ch Europe (team)
50Ghitescu Theodor ...2384Soos Bela (GER)22811-036 ≣E20Ch Romania
124Petran Pal (HUN)2384Farago Ivan (HUN)24400-140 ≣A40Ch Hungary
535Cox John J (ENG)2384Greet Andrew (ENG)24280-124 ≣E20It \29 Jan 2005
125Petran Pal (HUN)2384Lengyel Levente (...24501-033 ≣E20Ch Hungary
339Bogdanovich Grigo...2385Pilgaard Kim (DEN)22850-120 ≣E20It (open)
393Gallego Jimenez V...2385Pogorelov Ruslan ...24400-147 ≣E20It (open)
460Partos Charles (SUI)2386Cote F22001-040 ≣E20It (open)
82Taimanov Mark E (...2386Hamann Svend (DEN)22981-033 ≣E20It \
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
438Pomes Marcet Juan...2388Campora Daniel H ...25261-037 ≣E20It (open)
93Butnorius Algiman...2388Kaunas Kestutis (...22541-036 ≣A15?
738Bluebaum Matthias...2388Frank Christian (...20321-039 ≣E20Ch Germany (junio...12 Jun 2011
557Palliser Richard ...2389Sundararajan Kida...24971-042 ≣E20It (open)01 Oct 2005
614Quinn Mark (IRL)2391Pilgaard Kim (DEN)24400-126 ≣E20Cup European Club07 Oct 2007
353Braun Christian (...2392Grabert Ralf (GER)22540-135 ≣E20It (open)
772Cramling Dan (SWE)2392Lokander Martin (...21510-132 ≣E20Cup Rilton30 Dec 2011
336Krizsany Laszlo (...2395Apel Stefan (GER)23101-035 ≣E20It (cat.3)
354Krizsany Laszlo (...2395Berset Philippe (...20761-023 ≣E20It (open) (b)
344Crouch Colin S (ENG)2395Lalic Susan (ENG)23751-036 ≣E20It (open)
810Santos Latasa Jai...2399Inkiov Ventzislav...24600-145 ≣E20It (open)01 Aug 2012
811Santos Latasa Jai...2399Favarel Antoine (...22671-033 ≣E20It (open)02 Aug 2012
465Pomes Marcet Juan...2399Adams Michael (ENG)27310-136 ≣E20It (open) (active) \
795Akshat Khamparia ...2400Melkumyan Hrant (...26420-127 ≣E20It \08 Jun 2012
323Manion Josh (USA)2400Herchalia1-040 ≣E20It (open)
114Deze Anton (YUG)2400Komljenovic Davor...24510-130 ≣E20?
415Nguyen Chi-Minh (...2401Spiridonov Nikola...24050-126 ≣E20It (open) \
681Zorko Jure (SLO)2402Grosar Aljosa (SLO)24161-038 ≣E20Ch Slovenia (team)12 Dec 2009
527Simantsev Mikhail...2402Goltsov Denis (RUS)22961-020 ≣A40It (c)30 Aug 2004
531Palliser Richard ...2402Gormally Daniel (...24720-144 ≣E20Ch Great Britain ...13 Nov 2004
671Wiersma Eelke (NED)2403Wells Peter K (ENG)24981-039 ≣E20Memorial G.Staunt...12 Aug 2009
126Mikenas Vladas I ...2405Salamon1-048 ≣E20Ch Europe (team) ...
109Ligterink Gert (NED)2405Harandi Khosro (IRI)23771-039 ≣E20Ch World (juniors)
49Velimirovic Drago...2407Ankerst Marjan (SLO)22101-041 ≣A17Cup Yugoslavia
13Benko Pal C (USA)2408Dely Peter (HUN)23911-042 ≣E20Memorial Szikra
225Danner Georg (AUT)2408Brglez Rado (SLO)23150-141 ≣E20It (cat.8)
83Benko Pal C (USA)2408Hudson C1-020 ≣E20Ch USA (team)
444Likavsky Tomas (SVK)2409Bartel Mateusz (POL)23131-021 ≣E20It (open)
790Biriukov Ilja (RUS)2409Katkov Sergey (RUS)19841-031 ≣E20It (cat.2)19 Mar 2012
364Crouch Colin S (ENG)2410Kosten Anthony C ...25400-143 ≣E20It (open)
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
328Pomes Marcet Juan...2410Suba Mihai (ROM)25000-132 ≣E20It (active)
564Palliser Richard ...2411Turner Matthew (ENG)24891-047 ≣E20Ch England (team)...15 Jan 2006
812Ovod Evgenija (RUS)2412Kosintseva Tatian...25300-131 ≣A40Ch Russia (superf...03 Aug 2012
749Cruz Jonathan (PER)2412Solleveld Maarten...25020-127 ≣E20It (open)07 Aug 2011
707Cruz Jonathan (PER)2412Quezada Yuniesky ...26140-139 ≣E20It (open)04 Aug 2010
678Palliser Richard ...2413Pritchett Craig W...23031-037 ≣E20It (active) \21 Nov 2009
712Alvarez Johan (VEN)2414Kett T (WLS)22191-041 ≣E20Olympiad25 Sep 2010
637Wiersma Eelke (NED)2414De Groote Ewoud (...22081-050 ≣E20Ch Netherlands (o...25 Jul 2008
111Diez Del Corral J...2415Belkadi Ridha (TUN)23451-032 ≣E20Olympiad
182Murshed Niaz (BAN)2415Farago Ivan (HUN)25201-028 ≣E20?
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
265Varga Peter (HUN)2418Ersek Erno (HUN)21981-040 ≣E20Ch Hungary (team)
666Kohlweyer Bernd (...2418Deepthamsh Reddy ...21261-029 ≣E20It (open)25 Jun 2009
508Lin Ta (CHN)2418Rizouk Aimen (ALG)24651-024 ≣E20It (open)
714Wiersma Eelke (NED)2419Postny Evgeny (ISR)25950-126 ≣E20Cup European Club21 Oct 2010
821Smirnov Alexey (RUS)2419Severina Maria (RUS)21731-037 ≣E20Cup R.Nezhmetdino...29 Sep 2012
147Rubinetti Jorge (...2420Sanguinetti Raul ...25050-142 ≣E20Ch Argentina
379Pomes Marcet Juan...2420Ortega JI1-032 ≣E20Ch Catalunia (team)
377Pomes Marcet Juan...2420Campos Jose Felix...22600-135 ≣E20It (open)
242Arencibia Walter ...2425Lobron Eric (GER)25451-030 ≣E20Izt
286Matveeva Svetlana...2425Bojkovic Natasa (...23300-128 ≣E20It \
238Arencibia Walter ...2425Franco Ocampos Ze...24951-030 ≣E20Memorial J.Capabl...
302Matveeva Svetlana...2425Van Gisbergen Sta...23191-033 ≣E20It (open)
306Mester Gyula (HUN)2425Besztercsenyi Tib...21710-142 ≣E20Ch Hungary (team)...
751Van De Plassche B...2427Sprenger Jan Mich...25151-027 ≣E20It (open)21 Aug 2011
589Galyas Miklos (HUN)2428Malakhatko Vadim ...26171-032 ≣E20It (open)09 Oct 2006
576Galyas Miklos (HUN)2428Kjartansson Gudmu...22461-029 ≣E20It (cat.2)06 Jul 2006
644Komljenovic Davor...2428Pinter Jozsef (HUN)25360-137 ≣E20Ch Croatia (team)...30 Sep 2008
84Gipslis Aivars (LAT)2429Vitolins Alvis (LAT)24351-049 ≣E20Tournament
626Ovod Evgenija (RUS)2429Maksimovic Suzana...22841-029 ≣E20Ch Europe (w)21 Apr 2008
206Efimov Igor (MNC)2430Rozentalis Eduard...24900-121 ≣A40Ch URS (qual)
555Grabliauskas Virg...2430Groenn Atle (NOR)23861-036 ≣E20Cup European Club...24 Sep 2005
180Yrjola Jouni (FIN)2430Rantanen Yrjo A (...24101-044 ≣E20It
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
239Ponomariov Boris ...2430Brodsky Michail (...25531-029 ≣E20Ch Ukraine (1/2 f...
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
223Flear Glenn C (ENG)2430Dunworth Christop...22651-034 ≣E20Ch Great Britain
641Konovalov Nikolay...2434Anoshkin Alexande...24241-049 ≣E20It (open)18 Aug 2008
181Bykhovsky Avigdor...2434Solozhenkin Evgen...24891-029 ≣E20?
664Bitalzadeh Ali (NED)2434Malakhatko Vadim ...25701-038 ≣E20It (open)22 May 2009
371Vulfson Vladimir ...2435Ionov Sergey (RUS)25250-129 ≣E20It (open)
188Moskalenko Viktor...2435Vaiverman1-042 ≣E20Ch URS (qual)
190Moskalenko Viktor...2435Yakovich Yuri (RUS)24501-031 ≣E20Ch URS
187Moskalenko Viktor...2435Karpman Vadim (UKR)23821-026 ≣E20It