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Grünfeld, Spassky Variation, Main line, 13.Bd3 Notation: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3

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
525Real De Azua Erne...2445Contin Daniel (ITA)22791-034 ≣D85It (juniors) (und...30 Mar 2009
515Moranda Wojciech ...2536Csiba Dominik (SVK)21691-039 ≣D85It (open) \30 Sep 2008
570Robertson J StuartCumming Rhys (ENG)20101-039 ≣D85Ch England (team)...19 Feb 2011
56Stekelenburg ADaamen Ferry (NED)20631-028 ≣D85Ch Netherlands (o...
454Vince Andrea (SRB)1932Danelia Mariam (GEO)20220-139 ≣D85Ch Europe (junior...17 Sep 2006
443Shestakov Dmitry ...2264Danin Alexandre (...24390-138 ≣D85Ch Russia (club) ...26 Apr 2006
476Rakhmanov Aleksan...2510Danin Alexandre (...24880-138 ≣D85Ch Russia (club) ...08 May 2007
79Nunn John D M (ENG)2590De Jong Tom (NED)22951-031 ≣D85It (thematic)
326Bacherler ThomasDeues Erik (GER)20251-030 ≣D85It (open)
245Cornelisse Johnny...2217De Visser P0-120 ≣D85It (open)
294Shneider Aleksand...2551De Vreugt Dennis ...23981-028 ≣D85It (open)
346Michalet NicolasDicanot David (FRA)19331-029 ≣D85It (open) (a)
154Packroff Hermann ...2187Dienes1-028 ≣D85Europe Tournament...
55Kopecky Bretislav...2121Dihel K1-029 ≣D85corr.
296O'Connell Gerard ...2201Dooley Michael (IRL)22140-138 ≣D85Ch Ireland
434Rodshtein Maxim (...2457Dragicevic Drazen...21951-030 ≣D85Cup Rilton28 Dec 2005
451Burlov Vassili (RUS)2413Druzhinina Olga (...22451-030 ≣D85It (open) \06 Aug 2006
408Holst Conny (SWE)2163Duesterwald Marc ...22211-034 ≣D85Cup European Club05 Oct 2004
539Pavic Jakov (CRO)2118Dugandzic Boris (...22271-030 ≣D85Ch Croatia (team)...04 Oct 2009
468Sathiraju Vijay (...1731Dupre Paul Donald...20380-137 ≣D85Ch England (team)...24 Mar 2007
59Kakageldyev Amanm...2388Dvoirys Semen I (...25980-139 ≣D85Ch URS (1/2 final)
172Norri Joose (FIN)2291Ebeling Mika (FIN)22680-135 ≣D85Ch Helsinki
171Ahonen JariEbeling Mika (FIN)22680-128 ≣D85Ch Club
289Herzog Ferdinand ...2155Ebner Josef (AUT)20521-040 ≣D85It
437Del Rio Angelis S...2492Enjuto Velasco Ro...21831-023 ≣D85It (open)13 Jan 2006
429Klegon Matthew L ...2131Enkin Max (USA)22610-133 ≣D85It (open)04 Sep 2005
317Gorecki Zbigniew ...2112Ernst Sipke (NED)23730-132 ≣D85It (open)
492Nyback Tomi (FIN)2565Ernst Thomas (SWE)24501-025 ≣D85Cup Rilton29 Dec 2007
388Ahlander Bjorn (SWE)2411Ernst Thomas (SWE)24631-032 ≣D85Ch Sweden
337Gomez Ruben (ARG)2080Escandell Juan C ...22730-136 ≣D85Tournament
49Hanko Pavol (SVK)2138Fabry Robert (SVK)21770-133 ≣D85It \
25Pina VictorFarah Rodolfo (ARG)21520-129 ≣D85Tournament (team)
23Acosta Tomas (ARG)2275Farah Rodolfo (ARG)21521-040 ≣D85It (open)
205Yip Michael (CAN)2006Farkas Tibor (SRB)23701-030 ≣D85It (cat.3)
130Kishnev Sergey (RUS)2484Feldman Steven (USA)22411-040 ≣D85It (open) \
536Gutierrez Valero ...2024Fernandez Barrera...23090-136 ≣D85Ch Spain (team) (...05 Aug 2009
174Medina Carrasco S...2176Fernandez Murga R...22300-123 ≣D85It (open)
404Tsvetkov Ludmil2160Filev Georgi (BUL)21171-038 ≣D85It (open)24 Apr 2004
192Stamenkovic Zoran...2418Filipovic Branko ...24031-028 ≣D85Ch Yugoslavia
176Elbilia Jacques (...2382Filipowicz Leszek...21751-036 ≣D85It (open)
256Guthmann Andreas ...1957Flierl Pascal (GER)22040-130 ≣D85Ch Pfalz
229Martin Allende Jo...2117Fluvia Frigola Jo...20780-132D85Ch Catalunia (team)
405Ylonen Anders (SWE)2090Forsberg Viktor (...21371-029 ≣D85Ch Sweden (juniors)18 Jul 2004
72WaltherFranke0-121 ≣D85corr.
27Walter Gerhard (AUT)2139Franke Claus0-121 ≣D85corr.
50Tarjan James E (USA)2510Frasco1-039 ≣D85Ch USA (juniors)
115Sampakoski KimmoFroeberg Harri1-028 ≣D85Ch Finland (team)
422Okrosa Marijan (CRO)2010Frouth Nenad (CRO)21540-135 ≣D85Ch Croatia (team)...08 May 2005
63Halmi PenttiFunck Kaj1-035 ≣D85?
585Baraeva Irina (RUS)2204Gaboyan Susanna (...18531-029 ≣D85Ch Europe (junior...13 Sep 2011
516Robinson John (ENG)2048Garnett John S (ENG)20280-130 ≣D85Memorial Atkins12 Oct 2008
57Zita Frantisek (CZE)Garubba1-033 ≣D85corr.
66Knaak Rainer (GER)2505Gauglitz Gernot (...23101-032 ≣D85Ch DDR
108Zueger Beat (SUI)2445Gavrikov Viktor (...25450-133 ≣D85It (cat.10)
275Stocek Jiri (CZE)2470Gavrjushin Oleg (...23501-035 ≣D85It (open) \
567Fernandez Maria (...2119Gazola Vanessa Ra...19831-026 ≣D85It (w)20 Nov 2010
160Johansson Victori...2181Gerelmaa Ulziybat...21201-037 ≣D85Olympiad
83Liegel RGerhardt Frank (GER)21370-123 ≣D85corr.
7Espinosa Rafael M...2403Gieselbrecht J1-035 ≣D85Olympiad (corr.)
460Akhmadeev Valery ...2244Glazkov Arseny (RUS)20391-039 ≣D85Memorial N.Aratov...04 Dec 2006
14Thorbergsson Frey...2340Gligoric Svetozar...24470-133 ≣D85It
13Minic Dragoljub (...2355Gligoric Svetozar...24470-132 ≣D85It
41Deze Anton (YUG)2405Gligoric Svetozar...25650-139 ≣D85Ch Yugoslavia (team)
494Van Heijgen Diederik1789Goes Sten (NED)21430-129 ≣D85It (open) (b)05 Jan 2008
495Van Heijgen Diederik1789Goes Sten (NED)21430-129 ≣D85It (open) (b)06 Jan 2008
311Hohl Matthias (HUN)2066Gonda Laszlo (HUN)20890-133 ≣D85Tournament (Elo)
373Cubero Ferreiro R...2124Gonzalez Diaz Die...22880-130 ≣D85Ch Spain (univers...
501Peng Zhaoqin (NED)2455Goormachtigh Joha...22421-027 ≣D85Ch Netherlands (t...29 Mar 2008
400Andreeva Arina (RUS)2001Gorlova Marina (RUS)18691-030 ≣D85Ch Russia (junior...
413Coutton Sylvain (...2146Grollemund Bertra...21631-030 ≣D85Ch France (team) ...08 Jan 2005
34Knaak Rainer (GER)2510Gruenberg Hans-Ul...23151-040 ≣D85It
153Frederick Robert ...2210Guerra Daniel Rub...21291-023 ≣D85Europe Tournament...
554Benitez Carlos (COL)2160Guerrero Juan Car...22580-123 ≣D85It (open)24 Apr 2010
292Chang Suzana (BRA)2001Guimaraes Wagner ...22520-129 ≣D85Ch Brazil (1/2 fi...
544Mindlin Alon (ISR)2006Gu In Jung (KOR)16671-032 ≣D85Ch World (juniors...21 Nov 2009
131Martinovsky Eugen...2299Gurnaney A1-035 ≣D85It (open)
61Aaltio Erkki (FIN)2133Haapanen Kalle0-130 ≣D85corr.
180Bellon Lopez Juan...2435Haas Carmi (SUI)22121-029 ≣D85It (open)
159Haus Volker (GER)2201Haase Wolfgang (GER)20851-032D85Ch Hessen (qual)
327Arnalds Stefan AHalldorsson Halld...22090-132 ≣D85It (open)
139Schemm H2060Hallebeek Fred (NED)22280-126 ≣D85It (open)
197Southam David (CAN)2086Hamilton Robert (...23011-036 ≣D85It (open)
121Balashov Yuri S (...2540Hansen Curt (DEN)25201-036 ≣D85It (cat.11)
239Jensen Jacob Bjer...2220Hansen Thomas (DEN)17791-027 ≣D85Tournament
12Sloth Jorn (DEN)2328Harju Antero1-033 ≣D85?
384Oluc Hakan (TUR)1972Harstad Christian...21090-137D85It (open) \
173Forgo FerencHauck I1-035 ≣D85Ch Hungary (corr.)
512Tikkanen Hans (SWE)2415Havlikova Kristyn...21791-031 ≣D85It \07 Aug 2008
420Robinson John (ENG)2048Hayden Lawrence F1-031 ≣D85Ch Leicestershire...
233Ahlander Bjorn (SWE)2405Hellers Ferdinand...25600-131 ≣D85It
274Timman Jan H (NED)2625Hellers Ferdinand...25850-130 ≣D85It (cat.13)
32Mehwald DHentzgen K1-029 ≣D85corr.
26Koppe FredHentzgen K0-131 ≣D85corr.
155Heinasmaki MiikkaHerlin Sam1-035 ≣D85?
499Wang Yue (CHN)2736Hermansson Emil (...24231-035 ≣D85It (open)06 Mar 2008
522Juez Villar Erik ...1938Hernandez Lopez D...19551-033D85Tournament (team) \
321Martinez Martin D...2283Herrera Irisberto...24671-034 ≣D85It (open)
583Rivera Azucena1750Herrera Jose Luis1-038 ≣D85Ch Nicaragua (open)03 Sep 2011
220Hahn Manfred1790Herrmann Manfred1-024 ≣D85It (open)
382Gustafsson Jan (GER)2603Hintze Helge (GER)22961-026D85Ch Germany (Inter...