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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
377Nordstrom Felix (...2177Pribyl Josef (CZE)23720-143 ≣D94Ch Europe (senior...06 Apr 2009
432Noritsyn Nikolay ...2455Humphreys Michael...21611-029 ≣A16Ch Canada07 May 2011
141Nowik Urszula (POL)2089Stolarek A1-047 ≣D80Ch Poland (team)
331Ntiloudi Despina ...1961Tsarouha Menexeni...17741-031 ≣D94Ch Greece (team)04 Jul 2006
167Nuding Matthias (...2138Dauner Karl1-039 ≣A46Verbandsliga Nort...17 Oct 1993
393Nur Najiha HishamLiao Simone (USA)16371-032 ≣A05Ch World (juniors...15 Nov 2009
45Nurnberg FTeschner Rudolf (...22950-136 ≣D80It
472Nyambalo Joseph X...2100Ahmed Fuad (MDV)18301-041 ≣A05Olympiad29 Aug 2012
68ObregosoRossetto Hector (...22850-115 ≣A48Ch Argentina
353Obrezchikov Mikha...1986Gorozhanin Mikhai...17891-042D80Memorial P.Dubini...
360Obrezchikov Mikha...1986Pyatnitsyn Maxim ...18991-028 ≣E60Memorial Y. Voron...
445Ochoa Ivan Jose1618Carcamo Posada Da...16940-134 ≣D80Tournament (junio...19 Nov 2011
93Ojala JormaMerkl Hans0-126 ≣E61?
55Olexa Vilem (CZE)Filip Miroslav (CZE)24650-149 ≣A48Ch Czechoslovakia
384Orzech Dominik (POL)2466Popova Natalija (...22760-125A48It (open)24 Aug 2009
107Ostrowski Leszek ...2335Lin Ta (CHN)23000-141 ≣A48Memorial Dreszer
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
92Pang Atjok CTKirov Nino (BUL)24650-134 ≣D94Ch Netherlands (o...
277Papa Severin (SUI)2251Di Minico Paolo (...21181-036 ≣D94Ch Switzerland (t...
463Parshukov AlekseyIsakov Andrey (RUS)0-137 ≣D80Tournament \20 Jun 2012
204Pataridis Janis (...1869Pavlicek0-141 ≣D94Ch Czech Republic...
333Patrat Joel (FRA)1990Schrader Edmond (...18251-047 ≣A16Ch France (open) ...17 Aug 2006
411Paulik MartinKalod Michal (ITA)19310-148 ≣D80It (open)04 Jul 2010
236Pedersen Steffen ...2415Groszpeter Attila...25050-121 ≣D94It (cat.7)
219Peltonen BengtWikman Bengt Ingemar0-148 ≣A48It (open)
296Peng Zhaoqin (NED)2420Van Weersel Arlet...21841-042 ≣D94Ch Netherlands (w)
265Pereira Jorge A V...2124Rodrigues Regis (...20520-146A05Tournament
260Perez Iosvanni (CUB)Vilela Jose Luis ...23840-124 ≣A48Ch Cuba (1/2 final)
126Pernisco Ermanno ...2237Carlhammar Magnus...23060-140 ≣D80It (open)
171Petran Pal (HUN)2480Hjelm Niclas (SWE)23750-133 ≣D94It (cat.4)
39Pfeiffer Gerhard ...Eisinger Max1-048 ≣A06Ch BRD
373Pierantozzi Stani...1967Acella Lorenzo16500-125 ≣E60Ch Provinciale FM01 Feb 2009
181Piliczewski Bogus...2117Walkusz Witoslaw ...21500-134 ≣A48Ch Poland (1/2 fi...
248Piqueres Pla EHernandez Jimenez...0-138 ≣D94Ch Catalunia (team)
82Pirotzky Mario (ARG)2115Farah Rodolfo (ARG)21521-042 ≣D94Tournament (team)
47Podgorny Jiri (CZE)Filip Miroslav (CZE)24651-017 ≣A48Ch Prague
460Polak Tomas (CZE)2535Sikora Jan (CZE)22601-044 ≣D94Ch Czech Republic13 May 2012
308Polak Tomas (CZE)2466Rade Miroslav (CRO)24180-131 ≣D94Memorial I.Cvitan...03 May 2004
6Poliak Abram (RUS)Ragozin Viachesla...1-035 ≣A16Ch URS
324Ponomarenko Vikto...2316Khanov Vjacheslav...22371-042 ≣E60Ch Chess Club23 Oct 2005
35Popa TomaMarkovic Marko (SRB)22850-141 ≣D94It \
168Portero LADel Olmo JJ1-042 ≣D06Ch Albacete
314Pous Bargues Jose...2121Llorens Ferrer Fr...20961-043 ≣D80Tournament (qual)11 Dec 2004
302Prange Stefan (GER)2174Serbu Eli (GER)21490-119 ≣D94It (open)
172Prange Stefan (GER)2179Pragua Christoph ...21040-143 ≣D94It (open) \
414Priebs Ludger (GER)1962Niemeyer Norbert1-049 ≣A06Tournament (open)...10 Jul 2010
387Protasov Alexey (...2026Yudelevich Semen1-031 ≣D80Cup Cheliabinsk C...
228Pujos Stephane (FRA)2333Laurain Dominique...19810-138 ≣D94Memorial V.Syre (...
120Quendro Llambi (ALB)2333Fernandez Garcia ...24360-127 ≣D94Olympiad
211Radocaj Denis (CRO)2355Kinez Ivo (CRO)21101-038 ≣D94It (open)
328Radovanovic Zoran...2065Marinkov Svetisla...20711-046 ≣A05Cup Belgrade (team)07 Apr 2006
16Ragozin Viachesla...Spielmann Rudolf ...1-039 ≣D94It
428Rahman Ziaur (BAN)2528Areshchenko Alexa...26720-144 ≣A48It (open)24 Jan 2011
427Rahman Ziaur (BAN)2528Patil Pratik (IND)19111-029 ≣E60It (open)19 Jan 2011
59RajkovicRosenblatt Erwin1-044 ≣A48Ch Czechoslovakia...08 Jul 1954
124Rajna George (ISR)2390Spiriev Peter (HUN)22451-028 ≣A48It \
227Ramon J LHuguet Sergio (HON)21231-041 ≣D94It (open) \
312Rasmussen Henning...1998Andersen Dan (DEN)22461-012 ≣A48It \26 Jul 2004
266Rausch Stephan (GER)2363Keller Manfred (GER)21981-041 ≣A48It (open)
251Rausch Stephan (GER)2333Born Gregor (GER)21921-029 ≣A48It (open)
11Rellstab Ludwig (...2126Helling Karl (GER)1-035 ≣D80Ch Berlin
21Reshevsky Samuel ...2430Morton Harold1-049 ≣D94Ch USA
20Reshevsky Samuel ...2430Factor Samuel1-046 ≣D94Ch USA
127Rezzonico MarcoRavagnati Walter0-119 ≣A00It (open)
36Richter Emil (CZE)Sajtar Jaroslav (...0-142 ≣A16It \
91Riessenbeck JContoski Victor0-133 ≣A48Ch USA (corr.)
242Rigos Marcos M (BRA)2012Disconzi Da Silva...23550-148 ≣A06Ch State Sao Paulo
286Rodshtein Maxim (...2275Braun Arik (GER)23001-029 ≣D94Ch Europe (junior...
50Rossetto Hector (...2285Cruz Walter Oswal...1-033 ≣A48It
343Rubel Julian (GER)2126Hausmann Hans-Ulr...19471-039 ≣D80Ch City (open)14 May 2007
316Rubel Julian (GER)2103Thomas Norbert (GER)20861-026 ≣A48Hessenliga 2004/0524 Apr 2005
3Rubinstein AkibaSteiner Lajos (HUN)1-044 ≣A48It
298Saada Julien (FRA)2268Velikov Petar (BUL)24420-128 ≣D04It (cat.3)
299Saada Julien (FRA)2268Delorme Laurie (FRA)20361-017 ≣D04It (open)
4Sacconi AntonioMonticelli Mario ...1-012 ≣E61Match
10Saemisch Friedric...2200Roedl Ludwig (GER)1-032 ≣D94It
5Saemisch Friedric...2200Helling Carl1-038 ≣D94It \
398Sagdeev Rinel (RUS)2018Hodjko Vjaceslav ...23190-134 ≣D94Tournament (open)28 Feb 2010
131Saharinen Petri (...1857Ronkko Erkki1-029 ≣D94?
94Sahovic Dragutin ...2520Hammer Peter (SUI)22541-025 ≣D94It09 Aug 1979
51Sajtar Jaroslav (...Milev Zdravko (BUL)22301-040 ≣D80It
157Salanki EmilPeric Slavisa (SRB)22051-033 ≣A06It (open)
339Salgado Lopez Iva...2425Gonzalez De La To...23571-024 ≣A48It (cat.9)14 Dec 2006
85Sandrin AlbertTaylor Desmond23200-127 ≣A05It \
434Santiago Yago De ...2314Molina Roberto Ju...24190-147 ≣D80Memorial Gov. Mig...03 Jun 2011
375Sarahoshev MarioPetrov Plamen (BUL)18631-037 ≣D70Ch Bulgaria (juni...09 Mar 2009
466Saraiva Alexandre...1979Pacheco Roberto F...1-038 ≣A48It \14 Jul 2012
338Savchenko Stanisl...2532Van Leeuwen Etien...20971-017 ≣A48Ch Belgium (team)...03 Dec 2006
288Schirowski Consta...Wormuth Marcus (GER)0-142 ≣D94Ch Baden (HT1)
369Schlobach ErnestoReboredo Maximian...21961-034 ≣A15It \01 Dec 2008
303Schmidt Gerhard (...2062Goy Udo (GER)22361-027 ≣D94Ch Bayern (seniors)19 Jun 2003
408Schmitz Manuela (...2014Andersen Mads (DEN)23850-127 ≣A48It (open)18 Jun 2010
133Schneider Bernd (...2244Metz Hartmut (GER)22961-045 ≣A48It (b)
158Scholl Reinhard1885Ruck Robert (HUN)25790-126 ≣A48It (open) \
84Segal Alexandru S...2145Carvalho Herbert ...21821-036 ≣D94It
444Sekulovska Vesna ...2105Lazov Toni (MKD)17391-037 ≣D94It (open)30 Oct 2011
431Sekulovska Vesna ...2105Tosic Miroslav (SRB)24340-145 ≣D94It \09 Apr 2011
437Sekulovska Vesna ...2105Matijevic Filip (...19891-043 ≣D94Ch Macedonia (open)23 Jul 2011