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Grünfeld with 5.e3 0-0 6.Qb3 Notation: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Qb3

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
4Sacconi AntonioMonticelli Mario ...1-012 ≣E61Match
298Saada Julien (FRA)2268Velikov Petar (BUL)24420-128 ≣D04It (cat.3)
299Saada Julien (FRA)2268Delorme Laurie (FRA)20361-017 ≣D04It (open)
3Rubinstein AkibaSteiner Lajos (HUN)1-044 ≣A48It
316Rubel Julian (GER)2103Thomas Norbert (GER)20861-026 ≣A48Hessenliga 2004/0524 Apr 2005
343Rubel Julian (GER)2126Hausmann Hans-Ulr...19471-039 ≣D80Ch City (open)14 May 2007
50Rossetto Hector (...2285Cruz Walter Oswal...1-033 ≣A48It
286Rodshtein Maxim (...2275Braun Arik (GER)23001-029 ≣D94Ch Europe (junior...
242Rigos Marcos M (BRA)2012Disconzi Da Silva...23550-148 ≣A06Ch State Sao Paulo
91Riessenbeck JContoski Victor0-133 ≣A48Ch USA (corr.)
36Richter Emil (CZE)Sajtar Jaroslav (...0-142 ≣A16It \
127Rezzonico MarcoRavagnati Walter0-119 ≣A00It (open)
20Reshevsky Samuel ...2430Factor Samuel1-046 ≣D94Ch USA
21Reshevsky Samuel ...2430Morton Harold1-049 ≣D94Ch USA
11Rellstab Ludwig (...2126Helling Karl (GER)1-035 ≣D80Ch Berlin
251Rausch Stephan (GER)2333Born Gregor (GER)21921-029 ≣A48It (open)
266Rausch Stephan (GER)2363Keller Manfred (GER)21981-041 ≣A48It (open)
312Rasmussen Henning...1998Andersen Dan (DEN)22461-012 ≣A48It \26 Jul 2004
227Ramon J LHuguet Sergio (HON)21231-041 ≣D94It (open) \
124Rajna George (ISR)2390Spiriev Peter (HUN)22451-028 ≣A48It \
59RajkovicRosenblatt Erwin1-044 ≣A48Ch Czechoslovakia...08 Jul 1954
427Rahman Ziaur (BAN)2528Patil Pratik (IND)19111-029 ≣E60It (open)19 Jan 2011
428Rahman Ziaur (BAN)2528Areshchenko Alexa...26720-144 ≣A48It (open)24 Jan 2011
16Ragozin Viachesla...Spielmann Rudolf ...1-039 ≣D94It
328Radovanovic Zoran...2065Marinkov Svetisla...20711-046 ≣A05Cup Belgrade (team)07 Apr 2006
211Radocaj Denis (CRO)2355Kinez Ivo (CRO)21101-038 ≣D94It (open)
120Quendro Llambi (ALB)2333Fernandez Garcia ...24360-127 ≣D94Olympiad
228Pujos Stephane (FRA)2333Laurain Dominique...19810-138 ≣D94Memorial V.Syre (...
387Protasov Alexey (...2026Yudelevich Semen1-031 ≣D80Cup Cheliabinsk C...
414Priebs Ludger (GER)1962Niemeyer Norbert1-049 ≣A06Tournament (open)...10 Jul 2010
172Prange Stefan (GER)2179Pragua Christoph ...21040-143 ≣D94It (open) \
302Prange Stefan (GER)2174Serbu Eli (GER)21490-119 ≣D94It (open)
314Pous Bargues Jose...2121Llorens Ferrer Fr...20961-043 ≣D80Tournament (qual)11 Dec 2004
168Portero LADel Olmo JJ1-042 ≣D06Ch Albacete
35Popa TomaMarkovic Marko (SRB)22850-141 ≣D94It \
324Ponomarenko Vikto...2316Khanov Vjacheslav...22371-042 ≣E60Ch Chess Club23 Oct 2005
6Poliak Abram (RUS)Ragozin Viachesla...1-035 ≣A16Ch URS
308Polak Tomas (CZE)2466Rade Miroslav (CRO)24180-131 ≣D94Memorial I.Cvitan...03 May 2004
460Polak Tomas (CZE)2535Sikora Jan (CZE)22601-044 ≣D94Ch Czech Republic13 May 2012
47Podgorny Jiri (CZE)Filip Miroslav (CZE)24651-017 ≣A48Ch Prague
82Pirotzky Mario (ARG)2115Farah Rodolfo (ARG)21521-042 ≣D94Tournament (team)
248Piqueres Pla EHernandez Jimenez...0-138 ≣D94Ch Catalunia (team)
181Piliczewski Bogus...2117Walkusz Witoslaw ...21500-134 ≣A48Ch Poland (1/2 fi...
373Pierantozzi Stani...1967Acella Lorenzo16500-125 ≣E60Ch Provinciale FM01 Feb 2009
39Pfeiffer Gerhard ...Eisinger Max1-048 ≣A06Ch BRD
171Petran Pal (HUN)2480Hjelm Niclas (SWE)23750-133 ≣D94It (cat.4)
126Pernisco Ermanno ...2237Carlhammar Magnus...23060-140 ≣D80It (open)
260Perez Iosvanni (CUB)Vilela Jose Luis ...23840-124 ≣A48Ch Cuba (1/2 final)
265Pereira Jorge A V...2124Rodrigues Regis (...20520-146A05Tournament
296Peng Zhaoqin (NED)2420Van Weersel Arlet...21841-042 ≣D94Ch Netherlands (w)
219Peltonen BengtWikman Bengt Ingemar0-148 ≣A48It (open)
236Pedersen Steffen ...2415Groszpeter Attila...25050-121 ≣D94It (cat.7)
411Paulik MartinKalod Michal (ITA)19310-148 ≣D80It (open)04 Jul 2010
333Patrat Joel (FRA)1990Schrader Edmond (...18251-047 ≣A16Ch France (open) ...17 Aug 2006
204Pataridis Janis (...1869Pavlicek0-141 ≣D94Ch Czech Republic...
463Parshukov AlekseyIsakov Andrey (RUS)0-137 ≣D80Tournament \20 Jun 2012
277Papa Severin (SUI)2251Di Minico Paolo (...21181-036 ≣D94Ch Switzerland (t...
92Pang Atjok CTKirov Nino (BUL)24650-134 ≣D94Ch Netherlands (o...
405Ovsejevitsch Serg...2597Frey Alisa (GER)20451-032 ≣D80It (open)07 May 2010
290Ovsejevitsch Serg...2521Seel Christian (GER)24771-033 ≣D94It (open)
357Ovsejevitsch Serg...2570Gutman Lev (GER)24851-040 ≣D94It (open)16 Mar 2008
107Ostrowski Leszek ...2335Lin Ta (CHN)23000-141 ≣A48Memorial Dreszer
384Orzech Dominik (POL)2466Popova Natalija (...22760-125A48It (open)24 Aug 2009
55Olexa Vilem (CZE)Filip Miroslav (CZE)24650-149 ≣A48Ch Czechoslovakia
93Ojala JormaMerkl Hans0-126 ≣E61?
445Ochoa Ivan Jose1618Carcamo Posada Da...16940-134 ≣D80Tournament (junio...19 Nov 2011
360Obrezchikov Mikha...1986Pyatnitsyn Maxim ...18991-028 ≣E60Memorial Y. Voron...
353Obrezchikov Mikha...1986Gorozhanin Mikhai...17891-042D80Memorial P.Dubini...
68ObregosoRossetto Hector (...22850-115 ≣A48Ch Argentina
472Nyambalo Joseph X...2100Ahmed Fuad (MDV)18301-041 ≣A05Olympiad29 Aug 2012
45Nurnberg FTeschner Rudolf (...22950-136 ≣D80It
393Nur Najiha HishamLiao Simone (USA)16371-032 ≣A05Ch World (juniors...15 Nov 2009
167Nuding Matthias (...2138Dauner Karl1-039 ≣A46Verbandsliga Nort...17 Oct 1993
331Ntiloudi Despina ...1961Tsarouha Menexeni...17741-031 ≣D94Ch Greece (team)04 Jul 2006
141Nowik Urszula (POL)2089Stolarek A1-047 ≣D80Ch Poland (team)
432Noritsyn Nikolay ...2455Humphreys Michael...21611-029 ≣A16Ch Canada07 May 2011
377Nordstrom Felix (...2177Pribyl Josef (CZE)23720-143 ≣D94Ch Europe (senior...06 Apr 2009
412Nordstrom Felix (...2184Soderborg Berndt ...21111-027 ≣D94Ch Sweden (seniors)05 Jul 2010
259Neiman Emmanuel (...2319Dragojlovic Andje...23951-029 ≣D94It
199Neiman Emmanuel (...2330Zigura Oleg (UKR)23501-043 ≣D94It
380Nefedov Sergei (RUS)2235Karabakhsjan Adro...23191-047 ≣A48Ch Russia (junior...22 Apr 2009
347Neese Hans-Joachi...2309Beckel Friedrich ...20511-024 ≣D80Ch Germany (senio...17 Sep 2007
268Nedilsky Diego (ARG)2311Prieto Marcelo (ARG)20901-024 ≣D94It (open)
247Nedilsky Diego (ARG)2321Lopez Sebastian (...20131-024 ≣D94Memorial M.Najdor...
246Nedilsky Diego (ARG)2321Idigoras Alejandr...22860-145 ≣D94Memorial M.Najdor...
65Najdorf Miguel (POL)2445Sanguinetti Raul ...24851-044 ≣D94?
41Myhre ErlingPoulsen Christian1-046D94Olympiad
43Myhre ErlingCastaldi Vincenzo...0-136 ≣D94Olympiad03 Sep 1950
2Muller Hans (AUT)Steiner Lajos (HUN)1-031 ≣A48?
196Mueller Horst (AUT)2047Schneider Georg (...22301-035 ≣A40Ch Region (seniors)
250Mueller Herbert (...2155Selker Marc (GER)21261-039 ≣A48It (open)
239Mueller Herbert (...2058Wolff Christian1-040 ≣A48VK1 1997/98
230Mueller Herbert (...2058Mandelbaum Peter ...21621-032 ≣A48It (open)
341Mudrykh Evgenia (...1662Artemenko Rimma (...16261-032 ≣D80Memorial Y.Kotkov30 Mar 2007
366Mona Khaled (EGY)1967Langnerova Karoli...18310-137 ≣A48Ch World (juniors...26 Oct 2008
364Mona Khaled (EGY)1967Padmini Rout (IND)22350-136 ≣A48Ch World (juniors...21 Oct 2008
386Mona Khaled (EGY)2094Le Roux Jean-Pier...24850-148 ≣A48Ch Mediterranean11 Sep 2009
402Mona Khaled (EGY)2103Gupta Abhijeet (IND)25950-121 ≣A46It (open)05 Apr 2010
184Molnar Bela (HUN)2340Karacsony Attila ...22251-049 ≣D94It (open) \
164Molet Zandberg IAWolrich Charles (...22411-038 ≣A48It (open) (2)