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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
323Roussel-Roozmon T...2476Boros Denes (HUN)20540-138 ≣D85Ch World (juniors...
471Magnussen Helge (...2006Kemeny Matthias (...20551-032 ≣D85Ch Schleswig Hols...
322Meyer Malte (GER)2196Suchin Dimitry (GER)20571-035 ≣D85Ch Germany (junio...
253Juhasz Bela (HUN)2124Szekeres Sandor (...20571-033 ≣D85It (open)
236Timoscenko Gennad...2515Pobjecky Ivan (SVK)20581-032 ≣D85Slovak League (2n...
577Schmitt Roland (GER)1916Langensteiner Mat...20590-140 ≣D85It \24 Jun 2011
259Harms Andreas (GER)2179Woestmann Ulrich ...20601-037 ≣D85VL1 1996/97
497Groschup G1886Potthammel Joerg ...20610-132 ≣D85Ch Europe (senior...14 Feb 2008
455Meixner Helmut (AUT)1849Molnar Attila (AUT)20621-039D85It (open) (b)19 Sep 2006
56Stekelenburg ADaamen Ferry (NED)20631-028 ≣D85Ch Netherlands (o...
430Floor Dick (NED)2222Beisser Jacob (GER)20661-036 ≣D85It (open)06 Oct 2005
389Rodriguez A IOlivera Gutierrez...20660-134 ≣D85Ch Spain (team) \
242Dubinka Inna (UKR)2235Loeffler Josef (AUT)20681-037 ≣D85It (open)
450Quinn David (SCO)2036Thingstad Anders ...20681-032D85It (open) \22 Jul 2006
335Maisuradze Nino (...2190Sahakian Alla (ARM)20701-030 ≣D85It (open)
211Vapnichnaya Raisa...Schulz Petra (GER)20741-040 ≣A16Bundesliga (w)
179Lueckerath Kristi...Claus Caroline (GER)20750-131 ≣D85Ch Germany (w) (o...
546Alvarez Nistal Da...1868Villar Perez Samu...20750-125 ≣D85It (open)30 Dec 2009
587Doskar Miloslav (...1757Siebenburger Vlas...20770-135 ≣D85It (open)24 Sep 2011
229Martin Allende Jo...2117Fluvia Frigola Jo...20780-132D85Ch Catalunia (team)
541Cardili Mariano (...2106Pienabarca Nicola...20811-034 ≣D85It (open)24 Oct 2009
545Kashebayev AzamatZapolsky Sergey20810-139 ≣D85Tournament \02 Dec 2009
107Piantoni Roberto ...2119Moncelli Giorgio ...20811-027 ≣D85?
575Flores Linan Jose...1926Ramon Serrano Fra...20810-129 ≣D85It \19 May 2011
35Kouatly Bachar (FRA)2453Lappoehn Hardy (GER)20831-038 ≣D85It (open)
343Haller Peter (GER)2026Kessler Stefan (GER)20841-032D85It \
344Hoffmann Michael ...2428Kessler Stefan (GER)20841-035 ≣D85It \
212Fritsch GPerlitz Sven (GER)20850-133 ≣D85Oberliga East 199...
526Peralta Fernando ...2545Reimche Vadim (GER)20851-033 ≣D85It (open)09 Apr 2009
82Fekete Istvan (HUN)2062Mueller Friedrich...20851-037 ≣D85corr.
159Haus Volker (GER)2201Haase Wolfgang (GER)20851-032D85Ch Hessen (qual)
196Vargas JAAguiar Justo (CUB)20870-133 ≣D85Ch Andalucia (team)
365Aijala Jouko (FIN)2167Jantti Petri (FIN)20871-032 ≣D85It (open)
447Komninos Nikolaos...2152Katzourakis Pavlo...20881-024 ≣D85Ch Greece (team)05 Jul 2006
461Wallart Adrien (FRA)2235Jactel Nicolas (FRA)20890-135 ≣D85It (open)29 Dec 2006
311Hohl Matthias (HUN)2066Gonda Laszlo (HUN)20890-133 ≣D85Tournament (Elo)
598Nedic Dusan (GER)2296Bildat Juergen (GER)20901-034A16It (open)08 Jul 2012
518Rosales Daniel (COL)2033Bolivar Jeyson (COL)20921-039 ≣D85It (open) (b)28 Dec 2008
6Larsen Bent (DEN)2415Soderborg Berndt ...20960-128 ≣D85Olympiad (student...
209Kovacs Lajos D (HUN)2170Menyhart Tibor (HUN)20971-036 ≣D85It (c)
230Lytchak Alexander...2429Bildat Juergen (GER)20981-028D85It (open) \
466Kleiser Gregor (AUT)2323Kratschmer Heinz ...20991-028 ≣D85It (open)12 Feb 2007
339Weteringh HansBroersen Sjors (NED)21010-140 ≣D85It (open)
490Li Panru (CHN)2030Lxamsuren Uuganba...21041-040 ≣D85Ch World (juniors...27 Nov 2007
423Alexanian Nelli (...2161Orlyanskaya Darya...21051-027 ≣D85Ch Ukraine (w)19 May 2005
240Berrotaran Esteba...2199Arrieta Hector (ARG)21050-134 ≣D85Tournament (team)
368Pedersen Steffen ...2441Kjartansson Gudmu...21061-031 ≣D85It (b)
436Zhao Zong-Yuan (AUS)2455Obst James (AUS)21061-034 ≣D85Ch Australia03 Jan 2006
384Oluc Hakan (TUR)1972Harstad Christian...21090-137D85It (open) \
473Kanep Meelis (EST)2515Mayer Frank (GER)21101-036 ≣D85Ch Europe03 Apr 2007
342Bloch Pawel (POL)2069Szymanski Piotr (...21100-120 ≣D85Ch Poland (team) ...
557Elsayed Alaa Eldi...2049Mahdy Tawfeik (EGY)21100-136 ≣D85Tournament \01 Jun 2010
560Andersson Kaj (SWE)2093Soderborg Berndt ...21110-129 ≣D85Ch Sweden (seniors)10 Jul 2010
534Guedes Lopez Saul...1753Rodriguez Melian ...21140-129 ≣D85It (open)18 Jul 2009
260Mikrut Dariusz (POL)2190Moniszka Krzyszto...21151-036 ≣D85Ch Poland (team) ...
404Tsvetkov Ludmil2160Filev Georgi (BUL)21171-038 ≣D85It (open)24 Apr 2004
278Paasikangas-T Joh...2265Johansson Jukka (...21171-025 ≣D85It (open)
581Laciner Kerem (TUR)2297Yalim Suleyman (TUR)21191-028D85Ch Turkey (team) ...09 Jul 2011
161Verdier Patrice (...2260Veysseyre Didier ...21191-030 ≣D85It (open)
160Johansson Victori...2181Gerelmaa Ulziybat...21201-037 ≣D85Olympiad
46Szmacinska Grazyn...2181Khadilkar Jayshre...21201-031 ≣D85Olympiad
352Hoelzl Juergen (AUT)1496Kreisl Robert (AUT)21210-134 ≣D85Ch Austria (junio...
417Wu Li (ENG)2287Chakanyuka Charle...21231-026 ≣D85It (open)26 Mar 2005
377Rodic Donjan (SUI)2086Ates Erdem (TUR)21230-127 ≣D85Ch Europe (junior...
268Emodi Barnabas (HUN)2360Juhasz Bela (HUN)21241-027 ≣D85It (open) \
378Gutierrez Oscar (...2093Carvajal Jonathan...21251-034 ≣D85Ch Costa Rica
547Shevtsov KirillUsachev Oleg (RUS)21271-032 ≣D85Tournament (open)06 Jan 2010
153Frederick Robert ...2210Guerra Daniel Rub...21291-023 ≣D85Europe Tournament...
150Lukacs Peter (HUN)2404Monda Laszlo (HUN)21291-033 ≣D85It (open) \
148Malyshev Vasilij ...2353Horvath Miklosne ...21301-031 ≣D85It (open)
591Dobrovolsky Konst...2221Ustinov Alexey (RUS)21311-022 ≣D85Ch Kimry03 Jan 2012
270Eriksson Johan (SWE)2315Nylen Anders (SWE)21321-037 ≣D85Ch Sweden (master...
314Erlandsen Carsten...2175Nielsen Dagh (DEN)21331-038 ≣D85It (open) \
424Graf Felix (GER)2187Katsuhara Osamu (...21331-037 ≣D85Tournament (Elo)11 Jul 2005
529Wielsch Klaus (GER)2156Saering Patrick (...21341-039D85Ch Baden (open)02 Jun 2009
446Grossmann Susan (...2025Hoolt Sarah (GER)21351-032 ≣D85Ch Germany (junio...07 Jun 2006
83Liegel RGerhardt Frank (GER)21370-123 ≣D85corr.
405Ylonen Anders (SWE)2090Forsberg Viktor (...21371-029 ≣D85Ch Sweden (juniors)18 Jul 2004
508Westin Bertil (SWE)1990Soderborg Berndt ...21370-136 ≣D85Ch Sweden (seniors)04 Jul 2008
457Pinc Miroslav (CZE)2192Rattinger Friedri...21381-038 ≣D85It (open)18 Nov 2006
81Schoen Wolfram (GER)2403Candea Gheorghe (...21391-029 ≣D85?
340Mololkina Olga (RUS)2107Horvath Miklosne ...21400-126 ≣D85Ch Hungary (team)...
224Chevrier Thomas (...2210Janotta Patrick (...21401-036 ≣D85Ch France (open) (a)19 Aug 1993
393Rej Tomek (AUS)2248Wright Neil (AUS)21411-027 ≣D85Ch Australia
596Marti Blanes Jose...1947Sos Andreu Erik (...21430-137 ≣D85Ch Valencia22 Apr 2012
495Van Heijgen Diederik1789Goes Sten (NED)21430-129 ≣D85It (open) (b)06 Jan 2008
494Van Heijgen Diederik1789Goes Sten (NED)21430-129 ≣D85It (open) (b)05 Jan 2008
511Sidorov Vjacheslav PKhanov Vjacheslav...21440-133 ≣D85Ch Region06 Aug 2008
103Rubio Purrinos Hu...2235Canela Teresa (ESP)21450-127 ≣D85It (open)
482Ledakov Alexandr ...1902Bidkov Anton (UKR)21470-130 ≣D85Ch Ukraine (junio...10 Oct 2007
380Pedersen Audun (NOR)2054Roder Peter (DEN)21480-131 ≣D85It (open) \
147Rubio Nevado Pedr...2070Torres Dominguez ...21490-123 ≣D85Ch Spain
355Bayram Yakup (TUR)2308Arman Deniz (TUR)21511-027 ≣D85Ch Europe
459Kratochvil Karel ...2124Sekanina Jiri (CZE)21511-034 ≣D85Czech League 2006...03 Dec 2006
358Farago Ivan (HUN)2483Wartlick Karl (GER)21521-025 ≣D85It (open)
25Pina VictorFarah Rodolfo (ARG)21520-129 ≣D85Tournament (team)
23Acosta Tomas (ARG)2275Farah Rodolfo (ARG)21521-040 ≣D85It (open)
422Okrosa Marijan (CRO)2010Frouth Nenad (CRO)21540-135 ≣D85Ch Croatia (team)...08 May 2005
298Ulms Sandra (GER)2127Claus Caroline (GER)21541-039 ≣D85Ch DDMM (w)
194Ferreira Alberto ...Luyks Marinus (POR)21540-137 ≣D85Ch Portugal (1/2 ...