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Grünfeld Defence 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5

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
597Aagaard Gert (DEN)2030Michalski Daniel ...21540-125 ≣D80Ch NATO (team)04 Oct 2012
375Aagedal Geir O1560Hova Froda16450-128 ≣D80Ch Norway (kl. M2)08 Jul 2006
324Abel Peter (SVK)2212Blaho Stefan (SVK)22331-030 ≣D80Ch Slovakia (team...
101Addison JamesOlthof Rene A J A...21860-119 ≣D80It (open)
66Adler Joel (SUI)2266Schandorff Lars (...24940-125 ≣D80Ch Europe (junior...
162Adrados Gil MaximoFernandez Quintero A0-127 ≣D80Tournament
3Alatortsev Vladim...Flohr Salomon M (...0-118 ≣D80It
317Alber Horst (GER)2387Arenhoevel Mark (...21361-021 ≣D80Oberliga East B 2...08 Feb 2003
461Ali Abdulkhaleq (...2176Agopov Mikael (FIN)24490-127 ≣D80Olympiad23 Nov 2008
550Aliferenko Alekse...2220Dobrovolskiy Kons...18491-026 ≣D80It (open)05 Sep 2011
69Allan Denis (CAN)2280Reeve Jeff (CAN)22301-021 ≣D80Zt
58Alles ChristophStuitje1-023 ≣D80corr.
347Alley Shaun CBurns Martin0-117 ≣D80It (open) (major)17 Feb 2005
526Al-Maghbali Shama...1587Al-Mansouri Mohammad0-116 ≣D80Tournament (Elo)30 Mar 2011
511Al Sayed Mohamad ...2495Meier Kurt (SEY)19911-024 ≣D80Olympiad21 Sep 2010
501Al Sayed Mohamad ...2495Yang Kaiqi (CHN)23990-123 ≣D80Ch Asia23 Apr 2010
354Anastasian Ashot ...2596Siebrecht Sebasti...24850-130 ≣D80Ch Europe21 Jun 2005
539Anfinogenov Artem...2098Obodchuk Andrei (...23840-130 ≣D80Ch World (IPCA)03 Jul 2011
541Anfinogenov Artem...2098Mikheev Stanislav...22711-029 ≣D80Ch World (IPCA)07 Jul 2011
538Antonsson Atli (ISL)1862Nemec Miloslav (CZE)19031-023 ≣D80It (open)01 Jul 2011
389Aronian Levon (ARM)2741Svidler Peter (RUS)27500-124 ≣D80Memorial M.Tal (c...08 Nov 2006
405Arutinian David (...2574Pashikian Arman (...25340-130 ≣D80It \12 Jul 2007
360Ashwath R (IND)2194Thounaojom Gobin ...1-022 ≣D80Ch Asia (juniors)...12 Dec 2005
373Aslan Benjamin (GER)1917Geske Julian (GER)21480-130 ≣D80Ch Germany (junio...07 Jun 2006
298Astengo Marcello ...2032Swinkels Robin (NED)22310-123 ≣D80It (open)
586Aswin Jayaram (IND)2476Galanakis Mihail ...17271-012 ≣D80It (open)16 Jul 2012
554Aswin Jayaram (IND)2473Deepan Chakkravar...24700-128 ≣D80Ch India14 Oct 2011
591Atalik Suat (BIH)2599Atalik Ekaterina ...24480-130 ≣D80Match (blitz)09 Aug 2012
344Atalik Suat (BIH)2541Radic Bojan (BIH)21001-027 ≣D80Memorial Subasic ...05 Dec 2004
590Atalik Suat (BIH)2599Atalik Ekaterina ...24481-015 ≣D80Match (active)08 Aug 2012
496Axelrod Arie (ISR)2371Givon Asaf (ISR)22201-019 ≣D80It \21 Mar 2010
396Azmaiparashvili Z...2606Abbasov Farid (AZE)25050-129 ≣D80Dos Hermanas Inte...23 Mar 2007
540Badev Kiril (BUL)2317Sofranov Velizar ...21381-030 ≣D80It (open)05 Jul 2011
149Baez IsidoroFinsterbusch Gaston1-030 ≣D06Tournament (team) \
424Baldursson Harald...2023Thorsteinsdottir ...19151-027 ≣D80Ch City16 Jan 2008
422Baldursson Harald...2023Helgadottir S16061-014 ≣D80Ch City06 Jan 2008
395Ballon Guenther J...2160Vonach Bernhard D...20130-110 ≣D80It (open)15 Mar 2007
474Barbageorgopoulou...1745Amiridou Dimitra ...15721-026 ≣D80Ch Greece (team)06 Jul 2009
240Barrmeyer Konstan...1987Abel Dennes (GER)24270-130 ≣D80Ch Niedersachsen ...
362Barwinski Dionizy...2226Bobras Piotr (POL)25630-113 ≣D80Ch Europe (active)17 Dec 2005
419Barwinski Dionizy...2174Nedilko Vasily (UKR)24000-127 ≣D80Ch Europe (active)15 Dec 2007
95Bass Leonid (USA)2410Fernandez Aguado ...23140-117 ≣D80It (active)
513Battaglini Gabrie...2429Bijlsma Nick (NED)21381-020 ≣D80It (open)22 Oct 2010
193Bauer Maximilian1601Schertz Florian19171-023 ≣D80Ch SJRP (juniors)...
310Bauer Tamas (HUN)2400Ruzicka O0-130D80It (open) (b)
165Bayer NWinter Karlheinz ...19930-118 ≣D80It (open) (b)
378Bazal Bouzas Xose...1765Chesa Chavarria A...19440-126 ≣D80It (open)04 Aug 2006
55Beach TJBarbera Tomas1-018 ≣D80corr.
230Beck Alexander (GER)2143Wallhof Dieter (GER)20691-030 ≣A16It (open)
351Beermann AndreasKroemker Lars0-126 ≣D80Tournament (Gr.7)15 May 2005
266Benito Cabezas An...1905Pina Sierra Julia...20710-121 ≣D80Ch Spain (juniors...
119Berlinka Marcos (...1982Arrieta Hector (ARG)21051-029 ≣D80Tournament FMDA (a)
44Bernstein David (...2367Beliavsky Alexand...26160-121 ≣D80Olympiad (student...
198Berzinsh SBosch Guillermo1-023 ≣D80It (open)
431Bezvitelnov Dmitr...1654Kanakin Konstanti...19981-028 ≣D80Ch Russia (junior...
188Birjukov Sergey (...2151Hodokainen Juri1-027 ≣D80It (open)
427Birjukov Sergey (...2287Elishev Ivan (RUS)21941-024 ≣D80It (open) (b)07 Feb 2008
68Biro Karol (SVK)2158Gazik Igor (SVK)23281-025 ≣D80Ch Slovakia
273Blankenburg MarkZollondz Mark (GER)19300-125 ≣D80Ch Germany (junio...
521Borisovsky Viktor...2129Protasov Alexey (...19611-021 ≣D80It (open) (students)30 Jan 2011
90Bosbach Gerhard (...2204Pfrommer Christop...23530-124 ≣D80Bundesliga 1989/9...
370Botezatu Mirela (...1907Giuchici Adela1-030 ≣D80Ch Romania (junio...15 Apr 2006
589Bouget Alexandre ...2202Jolly Jean-Franco...24090-126 ≣D80It (open)29 Jul 2012
574Braga Marcelo Mel...1729Dos Santos Washin...1-028 ≣D80It (open)20 Apr 2012
594Bratosevic Mladen...2190Brcar Ales (SLO)19811-022 ≣A16It (open)18 Aug 2012
429Braun Tibor (SRB)1948Pajzer Istvan (SRB)21370-122 ≣D80Ch City (open)18 Feb 2008
268Braushi EPashos Alexandros...20471-028 ≣D80It (open)
412Bregadze Levan (GEO)2394Zivkovic D Dejan ...21691-024 ≣D80Ch Europe (junior...15 Sep 2007
152Brodie MCohen Lewis1-030 ≣D80Memorial Colias (...
153Brodie MMartinovsky Eugen...23400-123 ≣D80Memorial Colias (...
512Burcu Cagatay (TUR)1878Izzat Kanan Azar21390-120 ≣D80Ch Europe (junior...26 Sep 2010
437Butti Enrique (PAR)2084Peralta Eduardo (...22570-124 ≣D80Ch Paraguay07 Jun 2008
293Cafolla Peter (IRL)2104Palus Ryszard (POL)22320-127 ≣D80It (open)
287Cahuana Luis (PER)2211Ariza F1-030 ≣D80Tournament (swiss)
442Calderon Fernande...2302Roque Fernando (ARG)19711-026 ≣D80Ch Argentina (1/2...21 Jul 2008
380Calderon Oliver (...2005Pesantes Aucay Jo...21360-117 ≣A16Ch Pan-American (...07 Aug 2006
87Camara M AlejandraAlbaladejo B0-125 ≣D80It (open)
313Camara Paula (ESP)Robles Garcia Cla...20530-121 ≣A40Ch Spain (team) (...
6Canal Esteban (PER)2270Gligoric Svetozar...24470-121 ≣D80Olympiad
464Chatalbashev Bori...2579Fercec Nenad (CRO)24811-023 ≣D80It (open)15 Dec 2008
546Cheng Bobby (AUS)2323Laylo Darwin (PHI)25280-127 ≣D80It (open)19 Aug 2011
280Chernyshov Konsta...2561Slaby Jerzy (POL)23631-024 ≣D80It (cat.8)
154Chevor AdamBoyd Tristan (AUS)23060-122 ≣D80Ch Australia (jun...15 Jan 1994
81Christopher Sarah...2090Abdulla H (UAE)0-129 ≣D80Olympiad
98Chuchelov Vladimi...2538Krips Gennadij1-018 ≣D80Ch Armed Forces
425Chuprikov Dmitry ...2443Skvortsov Grigory...20621-012 ≣D80Memorial I.Bocharov
401Chvatal J1715Reznicek Marcel (...21480-111 ≣D80It (open)
161Cioara Andrei Nes...2335David Pavel (CZE)24400-129 ≣D80It (open) \
483Clavijo Jose A JrAscuntar Mora Dar...1-030 ≣D80It (open)13 Nov 2009
104Computer \Kofler A1-026 ≣D80It (open)
156Cooke PaulPalmeri Ralph0-110 ≣D80Ch USA (open)
138Costa Jean-Luc (SUI)2425Tukmakov Vladimir...26000-129 ≣D80Ch World (team)
416Dabovic Vladimir ...1936Ilic Zoran (MKD)22930-129 ≣D80Cup Belgrade (open)22 Nov 2007
181Dallmann Volker (...2015Konopka Michal (CZE)24100-120 ≣D80It (open)
525Damljanovic Brank...2607Sedlak Nikola (SRB)25891-030 ≣A15Ch Serbia07 Mar 2011
569Danek Daniel1783Pulpan Matej17660-123 ≣D80Ch Czech Republic...13 Mar 2012
596Dao Thien Hai (VIE)2523Tran Thanh Tu (VIE)22931-025 ≣D80Ch Vietnam (team)22 Sep 2012
366Daurelle Pierre1499Barski Vincent (FRA)18290-115 ≣D80It (open)17 Feb 2006
524David AnderssonGomez Marin Ferna...1-024 ≣D80Ch Departamental
328Debska KarolinaPrzezdziecka Ewa ...20560-118 ≣D80Ch Poland (junior...27 Mar 2004