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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
569Braun Arik (GER)2525Atlas Valeri (AUT)24821-039 ≣E20It (cat.12)02 Mar 2006
353Braun Christian (...2392Grabert Ralf (GER)22540-135 ≣E20It (open)
149Brilla Banfalvi S...Morozov1-032 ≣E20Ch Europe (team) ...
211Brinck-Claussen B...2263Schandorff Lars (...24941-044 ≣E20It (open) \
177Brinck-Claussen B...2263Kruszynski Wlodzi...23141-029 ≣E20It (open) \
704Brokken Dennis (NED)2313Kirsanova Ekateri...21541-032 ≣E20It (open) (b)28 Jul 2010
755Bukavshin Ivan (RUS)2506Johansson Linus (...21591-049 ≣E20Ch Europe (junior...13 Sep 2011
60Bukic Enver (SLO)2383Sofrevski Jovan (...23751-040 ≣E20It
157Bulthaupt Freerk ...2176Rhodin Bodo (GER)23350-144 ≣E20Bundesliga (2nd) ...
152Bunke Wilfried (GER)2090Czikuhs HJ1-033 ≣E20corr.
734Burnier David (SUI)2341Hera Imre Jr (HUN)25330-141 ≣E20It (open)01 Jun 2011
93Butnorius Algiman...2388Kaunas Kestutis (...22541-036 ≣A15?
131Butze RolandGlausius G1-028 ≣E20World Tournament ...
139Butze RolandWeder Erhard1-050 ≣E20corr.
181Bykhovsky Avigdor...2434Solozhenkin Evgen...24891-029 ≣E20?
233Bykhovsky Avigdor...2495Danielsen Henrik ...25430-121 ≣E20It
566Cafolla Peter (IRL)2066Sbia Bachir (MAR)19221-031 ≣E20It (open) \02 Feb 2006
620Cafolla Peter (IRL)2023Kozak Milos (CZE)21540-141 ≣E20It (open)20 Jan 2008
586Cafolla Peter (IRL)2066Hanley Craig (ENG)24270-134 ≣E20It (open)23 Sep 2006
423Cafolla Peter (IRL)2108Daly Colm (FID)23780-137 ≣E20Ch Ireland
422Cano Sanchez Josu...2277Baron Rodriguez J...24091-041 ≣E20Ch Spain (team) (...
610Capo Vidal Uriel ...2356Beltran Carlos (COL)22791-042 ≣E20Ch South America19 Jul 2007
116Carbone ADebarnot Roberto ...23750-133 ≣E20It
497Carleton John J (...2284Walsh Chris (WLS)21581-038 ≣E20Ch England (team)...
341Caulkett PeterDobson John0-124A17corr.
544Cebalo Miso (CRO)2512Kovacevic Aleksan...25480-135 ≣E20It (open)02 May 2005
558Cebalo Miso (CRO)2512Zelcic Robert (CRO)25330-149 ≣E20Ch Croatia (team)03 Oct 2005
743Cebalo Miso (CRO)2478Carron Julien (SUI)23740-137 ≣A17Ch Switzerland (o...13 Jul 2011
533Cebalo Miso (CRO)2520Di-Caro Calogero ...23171-025 ≣A40It (cat.8)30 Dec 2004
536Cebalo Miso (CRO)2512Saric Ante (CRO)24371-034 ≣E20It (open)03 Feb 2005
694Cebrian Flores Ju...1642Alcaraz Ortega Ja...22290-130 ≣E20Ch Valencia (juni...07 Apr 2010
335Ceteras Marius (ROM)2330Marin Mihail (ROM)25200-140 ≣E20Ch Romania
260Chabanon Jean-Luc...2481Pira Davoud (FRA)23821-026 ≣E20Ch France (team)
267Chabanon Jean-Luc...2481Dautov Rustem (GER)25950-148 ≣E20It
297Chapman RogerEriksen Ove P1-029 ≣A40Memorial F.Bogaty...
347Chowaniec WSzuszkiewicz J1-019 ≣E20corr.
75ChristensenLakjunas0-121 ≣E20Cup Baltic (corr.)
692Chueca Forcen Alb...2280Suba Mihai (ROM)24640-147 ≣E20It (open)01 Apr 2010
587Claassen Chris (USA)2078Schuller John1-045 ≣E20Tournament \29 Sep 2006
191Cochet Jean-Danie...2059Jukic Mirko (CRO)24700-143 ≣E20It (open)
759Colas Joshua (USA)2025Harmon Luke (USA)22040-137 ≣E20Ch Continental Class08 Oct 2011
801Coleman Teddy (USA)2379Shyam Nikil P (IND)25020-124 ≣E20It \06 Jul 2012
777Coleman Teddy (USA)2356Kaufman Raymond (...22611-040 ≣E20It \08 Jan 2012
553Colom Andres Xavi...2023Panelo Marcelo (ARG)24070-113 ≣E20It (open)19 Aug 2005
369Computer \Computer \1-039 ≣E20Ch World (computers)
368Computer \Computer \1-037 ≣E20It (computers)
825Conde Adrian (ARG)2053Miranda Jr Robert...22000-144 ≣E20Ch American Conti...19 Oct 2012
535Cox John J (ENG)2384Greet Andrew (ENG)24280-124 ≣E20It \29 Jan 2005
772Cramling Dan (SWE)2392Lokander Martin (...21510-132 ≣E20Cup Rilton30 Dec 2011
251Crispin Thomas A ...2198Lonoff Marc (USA)22601-033 ≣A40Ch USA (corr.)
252Crispin Thomas A ...2198Perry1-029 ≣A40Ch USA (corr.)
364Crouch Colin S (ENG)2410Kosten Anthony C ...25400-143 ≣E20It (open)
344Crouch Colin S (ENG)2395Lalic Susan (ENG)23751-036 ≣E20It (open)
715Cruz Cristhian (PER)2497Nikolashvili Gior...22941-039 ≣E20Ch World (juniors...24 Oct 2010
749Cruz Jonathan (PER)2412Solleveld Maarten...25020-127 ≣E20It (open)07 Aug 2011
707Cruz Jonathan (PER)2412Quezada Yuniesky ...26140-139 ≣E20It (open)04 Aug 2010
606Cruz Lledo Pablo ...1945Uribe Arteaga Dan...22600-137 ≣E20It (cat.1)12 Apr 2007
635Cruz Lledo Pablo ...2078Gago Padreny Igna...22180-139 ≣E20Ch Spain (juniors...21 Jul 2008
361Cruz-Lopez Claret...2315Gomara J1-032 ≣E20Tournament
338Cruz-Lopez Claret...2305Gomez Esteban Jua...24650-127 ≣E20Ch Spain
519Cutmore David A (...2092Boyce G Michael (...20571-041 ≣E20Ch England (team)...28 Mar 2004
769Danielian Elina (...2497Hou Yifan (CHN)25780-138 ≣A40Ch World (team) (w)20 Dec 2011
225Danner Georg (AUT)2408Brglez Rado (SLO)23150-141 ≣E20It (cat.8)
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
279Dao Thien Hai (VIE)2493Macieja Bartlomie...26131-042 ≣E20Ch World (juniors)
280Dao Thien Hai (VIE)2493Tzoumbas Anastasi...23410-129 ≣E20Ch World (juniors)
237Davies Nigel R (ENG)2475Schneider Lars-Ak...23640-129 ≣E20It \
381Dearing Eddie (SCO)2185Lalic Susan (ENG)23650-139 ≣E20It (open)
708De Jong Jan Wille...2444Istratescu Andrei...26310-130 ≣E20It \07 Sep 2010
526Dekker Bart (NED)2158Parligras Mircea ...25590-136 ≣E20It (open)01 Aug 2004
595Demin Dmitry (RUS)1714Avanesyan Georgy ...19790-129 ≣A17Ch Region (1 liga)10 Dec 2006
616Derichs Roger (GER)2307Kargoll Herbert (...21951-045 ≣E20Hessenliga 2007/0828 Oct 2007
656De Santis Alessio...2293Farago Ivan (HUN)25110-140 ≣E20It (open)13 Mar 2009
479De Santis Alessio...2267Mantovani Renzo (...23491-040 ≣E20Ch Italy
573De Val Daniele (ITA)2182Brunello Sabino (...24600-120 ≣E20Ch Italy (team)23 Apr 2006
572De Val Daniele (ITA)2182Malloni Marcello ...22780-138 ≣E20Ch Italy (team)22 Apr 2006
114Deze Anton (YUG)2400Komljenovic Davor...24510-130 ≣E20?
132Diaconescu PaulPrieditis G1-026 ≣E20World Tournament ...
104Diaconescu PaulMueller Horst (AUT)20471-044 ≣E20Olympiad (corr.)
294Diaz AdolfoParamos Dominguez...24180-143 ≣E20It (open)
120Diez Del Corral J...2470Jakobsen Ole (DEN)24401-031 ≣E20Olympiad
111Diez Del Corral J...2415Belkadi Ridha (TUN)23451-032 ≣E20Olympiad
733Ding Liren (CHN)2660Zhou Weiqi (CHN)25980-129 ≣A40It (cat.17)18 May 2011
325Dive Russell John...2339Noble Mark Freder...22331-034 ≣E20Ch New Zealand
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
515Donnoli Giorgio1485Tamburini Lorenzo...20860-138 ≣E20It (open)05 Sep 2003
818Drakoulakos Grigo...1736Mouratidis Harala...18581-044 ≣E20It (open)29 Aug 2012
307Draskovic Dragan ...2135Maksimovic Branim...24550-131 ≣E20Ch Yugoslavia
269Dreev Alexey (RUS)2610Anand Viswanathan...26500-136 ≣E20Ch World (match) ...
400Dubinskaya M (UKR)2081Volzhin Alexander...24950-131 ≣E20It (open)
404Dubinskaya M (UKR)2081Lomineishvili Mai...23500-147 ≣E20Ch Europe (junior...
206Efimov Igor (MNC)2430Rozentalis Eduard...24900-121 ≣A40Ch URS (qual)
110Engel WolfgangWalthemathe A0-121 ≣E20corr.
603Erdogan Hakan (TUR)2259Demirel Tolga (TUR)22351-048 ≣E20Ch Turkey13 Mar 2007
529Erdogan Hakan (TUR)2220Baramidze David (...25430-137 ≣E20Cup European Club03 Oct 2004
435Erdogan Hakan (TUR)2217Olsen Heini (FAI)23130-147 ≣E20Olympiad
470Erdogan Hakan (TUR)2212Selbes Tarik (TUR)21451-035 ≣E20Ch Turkey
477Erdogan Hakan (TUR)2212Ivanchuk Vassily ...26990-142 ≣E20Match (exhibition...
170Ernst Thomas (SWE)2450Hansen Curt (DEN)25000-130 ≣E20Zt