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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
23Fenoglio Virgilio...Guimard Carlos E ...23250-133 ≣A06Ch Argentina
22Fine Reuben (USA)Prins Lodewijk (NED)22201-037 ≣A05It
15Towsen ANMorton Harold0-125 ≣D80It
14Koltanowski Georg...Alexander Conel H...1-018 ≣A48It
19Kavlie Jorgensen OEngels Ludwig (GER)0-120 ≣A48Olympiad
65Najdorf Miguel (POL)2445Sanguinetti Raul ...24851-044 ≣D94?
30Dubinin Peter V (...Kasparian Genrikh...0-140 ≣D94Ch URS (1/2 final)
10Saemisch Friedric...2200Roedl Ludwig (GER)1-032 ≣D94It
2Muller Hans (AUT)Steiner Lajos (HUN)1-031 ≣A48?
13Ahues Carl O (GER)Lange Wilfried1-046 ≣D94It
6Poliak Abram (RUS)Ragozin Viachesla...1-035 ≣A16Ch URS
88Jarvinen KariRaulo Jaakko0-132 ≣A05?
290Ovsejevitsch Serg...2521Seel Christian (GER)24771-033 ≣D94It (open)
70Bertok Mario (CRO)2282Benko Pal C (USA)24080-150 ≣D94Izt
238Gagunashvili Mera...2205Ferrari Nicola (SUI)22021-041 ≣D80Ch Europe (junior...
44Bogoljubow Efim D...Heinicke Herbert ...1-037 ≣D80It
12Szabo L (HUN)Csiszar1-035 ≣A48It
9Koltanowski Georg...Menchik Vera1-031 ≣A46It (open)
54Golombek Harry (ENG)2320Filip Miroslav (CZE)24650-149 ≣E60Olympiad
11Rellstab Ludwig (...2126Helling Karl (GER)1-035 ≣D80Ch Berlin
35Popa TomaMarkovic Marko (SRB)22850-141 ≣D94It \
48Konstantinopolsky...Suetin Alexei S (...23271-031 ≣A05Ch URS
81Carvajal A2115Debarnot Roberto ...23750-138 ≣D94Zt
3Rubinstein AkibaSteiner Lajos (HUN)1-044 ≣A48It
300Torres Vicente (ESA)Gonzalez Americo ...20580-143 ≣D94Ch Salvador
144Seubert Karl (GER)2016Menzinger O1-048 ≣A05Ch World (seniors)
169Gomez Francisco R...2097Prieto Ernesto (COL)21260-150 ≣A16It (open)
304Varga Peter (HUN)2433Remetean Vasile (...20771-045 ≣D80It (b)
105Gypser Andreas Dr...2165Gausel Einar (NOR)25010-149 ≣A48It
39Pfeiffer Gerhard ...Eisinger Max1-048 ≣A06Ch BRD
193Wilhelm Jochen (GER)2164Wagner Dirk17800-149 ≣D04Oberliga 1994/95
342Henneteau Jeremy ...2119Schoucair Henry (...20021-041 ≣D80Ch France (team) ...
278Kurganov Dmitry (...2106Korniushin Nikola...24291-041 ≣A05Cup Russia (open)
107Ostrowski Leszek ...2335Lin Ta (CHN)23000-141 ≣A48Memorial Dreszer
299Saada Julien (FRA)2268Delorme Laurie (FRA)20361-017 ≣D04It (open)
294Haug Siegmund (GER)1917Schalke Manfred1-038 ≣A48Verbandsliga Nort...
225Stodolova Kristyn...1980Havrdova Lenka (CZE)0-133 ≣D80It (open) (w)
5Saemisch Friedric...2200Helling Carl1-038 ≣D94It \
143Hulse Brian (USA)2155Young Ronald (USA)22790-140 ≣E60It \
80Webb Simon (ENG)2420James Geoffrey H ...22131-037 ≣D94It (open)
20Reshevsky Samuel ...2430Factor Samuel1-046 ≣D94Ch USA
97Bisguier Arthur B...2440Ruiz Alciguel (COL)21941-030 ≣D94It (open)
41Myhre ErlingPoulsen Christian1-046D94Olympiad
4Sacconi AntonioMonticelli Mario ...1-012 ≣E61Match
16Ragozin Viachesla...Spielmann Rudolf ...1-039 ≣D94It
8Van Den Bosch Joh...Sultan Khan Mir (...0-130 ≣D94It
84Segal Alexandru S...2145Carvalho Herbert ...21821-036 ≣D94It
246Nedilsky Diego (ARG)2321Idigoras Alejandr...22860-145 ≣D94Memorial M.Najdor...
108Formanek Edward W...2203Mihalcisin Adrian...25250-141 ≣D94It
247Nedilsky Diego (ARG)2321Lopez Sebastian (...20131-024 ≣D94Memorial M.Najdor...
31Stahlberg Gideon ...Iliesco Juan Traian1-041 ≣D80It
147Jacimovic Dragolj...2429Dekic Josip (SRB)23061-041 ≣D94Ch Yugoslavia (team)
263Caaveiro Prieto J...1877Timon Piote Silvi...22480-130 ≣E60It (open)
18Lilienthal Andor ...2385Machtas A Z1-045 ≣D94Olympiad
159Cuadras Avellana ...2316Rocabert Andreu G...22231-027 ≣D94Ch Catalunia (team)
287Dobrotka Martin (...2185Dlhy Jozef (SVK)21091-041 ≣E61Ch Slovakia (team...
150Mandekic Ivan (CRO)2288Zelic Mladen (CRO)22640-121 ≣A48Ch Croatia (team)...
189Medancic Rikard (...2340Djuric Stefan (SRB)24700-147 ≣D94It (open)
93Ojala JormaMerkl Hans0-126 ≣E61?
49Kan Ilya A (RUS)Klavins Janis1-047 ≣A48Ch URS (1/2 final)
110Viner Phillip (AUS)2046Hill Shane Malcol...22951-040 ≣D94Ch Australia
265Pereira Jorge A V...2124Rodrigues Regis (...20520-146A05Tournament
75Tarasov Igor (RUS)2328Piankov Evgenij (...23480-134 ≣D94Ch Russia (1/2 fi...
68ObregosoRossetto Hector (...22850-115 ≣A48Ch Argentina
168Portero LADel Olmo JJ1-042 ≣D06Ch Albacete
139Johansson Jan (SWE)2405Brinck-Claussen B...22630-137 ≣A48Match (team)
289Christenson Flemm...2289Hermansson Emil (...24140-125 ≣A48It (cat.4)
114Kestler Hans-Guen...2323Waldow Frank1-043 ≣A15Bundesliga 1987/88
61Kholmov Ratmir D ...2432Byvshev Vasily Mi...1-041 ≣D94Ch URS (1/2 final)
132Johansson Jan (SWE)2405Ernst Thomas (SWE)24401-041 ≣A48Ch Sweden
192Forgacs Jozsef (HUN)2290Bugyinszki Istvan...22821-023 ≣D94It (open)
26Lange WilfriedEisinger Max0-129 ≣D80It
180Costantino Giampa...2175Temi Walter (ITA)21051-033 ≣D94?
125Stelzer Harald (GER)2272Pfrommer Christop...23531-040 ≣D80It (b)
273Burmakin Vladimir...2586Rogulj Branko (CRO)24561-036 ≣A48It (open)
182Franic Milan (CRO)2379Zelic Mladen (CRO)23201-040 ≣D94Tournament (team)
55Olexa Vilem (CZE)Filip Miroslav (CZE)24650-149 ≣A48Ch Czechoslovakia
210Csiszar Zoltan (HUN)2272Domos G1-040 ≣D94It (open)
76Kluger Gyula (HUN)2250Szekely Mihaly1-048 ≣A05Ch Hungary
116Casafus Ruben (ARG)2338Lopez Heras Artur...19041-032 ≣A05It (open)
234Bauer Christian (...2490Roos Daniel (FRA)24251-045 ≣D94Ch France (team) ...
33Konstantinopolsky...Kasparian Genrikh...1-047 ≣A05Ch URS (1/2 final)
24Janeckova BCarrasco De Budin...0-132 ≣A48Ch World (w)
7Koch Berthold (GDR)Bogoljubow Efim D...0-148 ≣A46Ch Germany
230Mueller Herbert (...2058Mandelbaum Peter ...21621-032 ≣A48It (open)
216Badjarani Ilgar (...2380Bagirov Rufat (AZE)23250-148 ≣A48Ch Azerbaijan
36Richter Emil (CZE)Sajtar Jaroslav (...0-142 ≣A16It \
239Mueller Herbert (...2058Wolff Christian1-040 ≣A48VK1 1997/98
281Bayramov Vugar (AZE)2345Bagirov Rufat (AZE)24941-032 ≣D04Ch Azerbaijan
250Mueller Herbert (...2155Selker Marc (GER)21261-039 ≣A48It (open)
69Zamikhovsky Abram...Volchok Alexandr ...1-050 ≣D94Ch \
200Mirzoev Azer (AZE)2375Bagirov Rufat (AZE)22851-042 ≣D94Cup Baku
1Gruenfeld ErnstSteiner Lajos (HUN)1-036 ≣A48It
27Kan Ilya A (RUS)Tolush Alexander ...1-028 ≣D94Ch URS
47Podgorny Jiri (CZE)Filip Miroslav (CZE)24651-017 ≣A48Ch Prague
163Becker Alexander ...1937Beis Evangelos (GRE)20550-132 ≣A16Ch Oberfranken (t...
229Mirzoev Azer (AZE)2445Manafov Ilkin (AZE)21271-025 ≣A48Cup Baku
17Erdelyi Stefan (ROM)Solin Ilmari0-150D94Olympiad
21Reshevsky Samuel ...2430Morton Harold1-049 ≣D94Ch USA
25Castillo Larenas ...Mikenas Vladas I ...24050-149 ≣D80Olympiad