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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
373Pierantozzi Stani...1967Acella Lorenzo16500-125 ≣E60Ch Provinciale FM01 Feb 2009
118HoffmannAdam Stefan17000-125D70corr.
269Gasparian Mariana...2063Aginian Nelly (ARM)22051-044 ≣D94Ch World (juniors...
472Nyambalo Joseph X...2100Ahmed Fuad (MDV)18301-041 ≣A05Olympiad29 Aug 2012
14Koltanowski Georg...Alexander Conel H...1-018 ≣A48It
313Ho Cheng-Fai (MAC)2035Allor Chukwuka (NGR)21451-035 ≣D94Olympiad29 Oct 2004
270Juan Roldan Jose ...2292Alonso Perez Jose...20141-035 ≣A48Ch Asturia (team)...
312Rasmussen Henning...1998Andersen Dan (DEN)22461-012 ≣A48It \26 Jul 2004
408Schmitz Manuela (...2014Andersen Mads (DEN)23850-127 ≣A48It (open)18 Jun 2010
140Yewdokimov Oleg (...2360Anic Darko (FRA)24241-044 ≣D94It (open)
443Dias Fabricio Ric...Annibal Jr Rocevelte18271-031A16Tournament (open)15 Oct 2011
297Farago Ivan (HUN)2455Antal Gergely (HUN)24501-034 ≣D94It (cat.11)
428Rahman Ziaur (BAN)2528Areshchenko Alexa...26720-144 ≣A48It (open)24 Jan 2011
341Mudrykh Evgenia (...1662Artemenko Rimma (...16261-032 ≣D80Memorial Y.Kotkov30 Mar 2007
275Shahtahtinsky Ale...2342Avgoustinatos Vas...16851-021 ≣D94It (open)
200Mirzoev Azer (AZE)2375Bagirov Rufat (AZE)22851-042 ≣D94Cup Baku
281Bayramov Vugar (AZE)2345Bagirov Rufat (AZE)24941-032 ≣D04Ch Azerbaijan
216Badjarani Ilgar (...2380Bagirov Rufat (AZE)23250-148 ≣A48Ch Azerbaijan
78Kuzmin Gennadi P ...2417Bagirov Vladimir ...24821-032 ≣A05Ch URS (team)
372West Guy (AUS)2338Bakker Sven (NED)21991-028 ≣A46It (open)19 Jan 2009
320Katov Luboslav (BUL)2214Bakos Balazs (HUN)22841-026 ≣A48Ch Europe (junior...
469Bardeli Lukasz (POL)2299Banach Wieslaw (POL)21071-027 ≣A15Tournament (open)15 Aug 2012
347Neese Hans-Joachi...2309Beckel Friedrich ...20511-024 ≣D80Ch Germany (senio...17 Sep 2007
391Arbinger Roland (...2107Behnel Gerald (GER)20971-029 ≣D94Verbandsliga 2009/1001 Nov 2009
163Becker Alexander ...1937Beis Evangelos (GRE)20550-132 ≣A16Ch Oberfranken (t...
70Bertok Mario (CRO)2282Benko Pal C (USA)24080-150 ≣D94Izt
121Fauland Borek JuttaBerg Tine22401-040 ≣A48Olympiad (w)
272Garrido Denis (FRA)2228Bernard Jacques (...22200-134 ≣A48Ch France (team) ...
413Bernard Nicolas (...2075Biancotti Alessan...18951-021 ≣A48It (open)08 Jul 2010
471Hansch Torsten (GER)2080Bijlsma Nick (NED)21300-143 ≣D80It (open)22 Aug 2012
165Mandekic Ivan (CRO)2288Biliskov Vjekosla...23540-134 ≣A48Cup Croatia
400Gridchin SergeyBiryukov Mikhail ...21370-121 ≣D94Cup Vladivostok (...19 Mar 2010
470Avramidou Anastasia1831Blond Hanten Elsa1-026 ≣A05Ch Europe (junior...17 Aug 2012
7Koch Berthold (GDR)Bogoljubow Efim D...0-148 ≣A46Ch Germany
251Rausch Stephan (GER)2333Born Gregor (GER)21921-029 ≣A48It (open)
286Rodshtein Maxim (...2275Braun Arik (GER)23001-029 ≣D94Ch Europe (junior...
279Weller Manuel (GER)2147Braun Julian1-017 ≣D80Ch Germany (junio...
173Kraeussling Andre...2266Bredl Harald (GER)23621-046 ≣A48Bayern Oberliga 1...
276Jacimovic Dragolj...2486Brendel Oliver (GER)23801-025 ≣D94Ch Europe
139Johansson Jan (SWE)2405Brinck-Claussen B...22630-137 ≣A48Match (team)
284Annaberdiev Meili...2408Bromberger Stefan...24171-027 ≣D04Ch World (juniors...
103Bartelborth Thoma...2250Brueckner Thomas ...23750-150 ≣D94Bundesliga 1983/84
192Forgacs Jozsef (HUN)2290Bugyinszki Istvan...22821-023 ≣D94It (open)
233Midoux Sebastien ...2230Bujisho Benjamin ...22701-049 ≣D94Ch France (juniors)
370Ullrich KaiBurger Andreas (AUT)1-043 ≣A48Verbandsliga Bade...11 Jan 2009
378Sydykova Tamara (...1787Bychkov Leonid (RUS)18511-036 ≣E60Tournament (open)08 Apr 2009
62Bisguier Arthur B...2237Byrne Donald (USA)24701-041 ≣D80Tournament
61Kholmov Ratmir D ...2432Byvshev Vasily Mi...1-041 ≣D94Ch URS (1/2 final)
445Ochoa Ivan Jose1618Carcamo Posada Da...16940-134 ≣D80Tournament (junio...19 Nov 2011
453Cavalcanti Franci...2292Cardoso Almir Cor...20451-037 ≣A05Memorial Bobby Fi...09 Mar 2012
126Pernisco Ermanno ...2237Carlhammar Magnus...23060-140 ≣D80It (open)
291Jussupow Artur (GER)2583Carlsen Magnus (NOR)25811-041 ≣A48It (open) \
257Hofmann Juergen (...2181Carl Werner (GER)20091-025 ≣D94It (open)
24Janeckova BCarrasco De Budin...0-132 ≣A48Ch World (w)
175Hesse Peter (GER)2305Carton Patrick (IRL)21891-031 ≣A48Bundesliga (2nd) ...
84Segal Alexandru S...2145Carvalho Herbert ...21821-036 ≣D94It
43Myhre ErlingCastaldi Vincenzo...0-136 ≣D94Olympiad03 Sep 1950
208Karsa Laszlo (HUN)2395Certek Pavel (SVK)23221-026 ≣D94Ch Hungary (team)...
305Greifoner Sebastjan1648Cetina Klemen (SLO)22010-146 ≣D94Ch Slovenia (juni...06 Mar 2004
459Vojinovic Goran (...2429Chatalbashev Bori...25700-132 ≣D94It (open)14 Apr 2012
317Benderac Ana (SRB)2291Chelushkina Irina...23151-032 ≣A04Ch SCG (w)24 Apr 2005
399Balacek Tadeas (CZE)2110Chmel Kristian (CZE)20001-038 ≣A48Ch Czech Republic...08 Mar 2010
212Egger Fernando2280Ciulli Alfredo0-135 ≣A48It (open)
455Miron Lucian-Cost...2525Codenotti Marco (...23431-026 ≣D94Ch Europe29 Mar 2012
429Jones Stephen L (...2285Connor Michael I18581-043 ≣A05Ch England (team)...19 Feb 2011
91Riessenbeck JContoski Victor0-133 ≣A48Ch USA (corr.)
285Vega MarcosCordova Edgar A (...22100-148 ≣D80Tournament (swiss)
417Matsuura Everaldo...2484Costa Giovanni (BRA)19181-020 ≣D94Ch Paulista19 Aug 2010
50Rossetto Hector (...2285Cruz Walter Oswal...1-033 ≣A48It
12Szabo L (HUN)Csiszar1-035 ≣A48It
430Acosta Luis Ivan ...1854Cuesta Cifuentes ...0-134 ≣D80It (open) \
249Beckmann Klaus (GER)2284Czubak Michael (GER)22101-034 ≣A48VK3 Ruhrgebiet 19...
465Laceste Loren Bri...2297Daniluk Jim (CAN)19681-041 ≣A48Ch Canada (open)11 Jul 2012
224Matsuura Everaldo...2390Dantas Marcus V1-041 ≣A48It (open)
176Zimmer OliverDaum Holger (GER)22031-030 ≣A05Oberliga Southwes...
167Nuding Matthias (...2138Dauner Karl1-039 ≣A46Verbandsliga Nort...17 Oct 1993
81Carvajal A2115Debarnot Roberto ...23750-138 ≣D94Zt
186Habibi Ali (GER)2295Dekic Josip (SRB)23550-144 ≣A04It (c)
147Jacimovic Dragolj...2429Dekic Josip (SRB)23061-041 ≣D94Ch Yugoslavia (team)
168Portero LADel Olmo JJ1-042 ≣D06Ch Albacete
299Saada Julien (FRA)2268Delorme Laurie (FRA)20361-017 ≣D04It (open)
245Magyar Otto (HUN)2300Dembo Yelena (GRE)22441-043 ≣D94It (b)
277Papa Severin (SUI)2251Di Minico Paolo (...21181-036 ≣D94Ch Switzerland (t...
198Bozhkov DDimov Dian (BUL)22890-135 ≣A16Ch Bulgaria (team)
242Rigos Marcos M (BRA)2012Disconzi Da Silva...23550-148 ≣A06Ch State Sao Paulo
189Medancic Rikard (...2340Djuric Stefan (SRB)24700-147 ≣D94It (open)
287Dobrotka Martin (...2185Dlhy Jozef (SVK)21091-041 ≣E61Ch Slovakia (team...
210Csiszar Zoltan (HUN)2272Domos G1-040 ≣D94It (open)
259Neiman Emmanuel (...2319Dragojlovic Andje...23951-029 ≣D94It
119TolleDressler D0-117 ≣D80corr.
138Bisguier Arthur B...2370Eckert Doug D (USA)22461-037 ≣D94It (open)
461Geringer Waldemar...1978Eg Karlheinz (GER)20251-033 ≣A48It \08 Jun 2012
346Jussupow Nadia (GER)2178Eichner Manfred (...20561-043 ≣D04It (open)02 Aug 2007
454Jonsson Olafur Gi...1870Einarsson Oskar L...16181-044 ≣A48It (open)10 Mar 2012
39Pfeiffer Gerhard ...Eisinger Max1-048 ≣A06Ch BRD
26Lange WilfriedEisinger Max0-129 ≣D80It
232Belli Mario (PER)2380Ekstroem Roland (...25100-130 ≣A46Olympiad
374Jirasek Jiri (CZE)1916Elias Miroslav (CZE)20690-135 ≣D94Czech League 2008...22 Feb 2009
19Kavlie Jorgensen OEngels Ludwig (GER)0-120 ≣A48Olympiad
156Johansson Jan (SWE)2405Engsner Niklas (SWE)21251-025 ≣A48Ch Sweden (open)