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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
375Atalik Suat (BIH)2581Ruck Robert (HUN)25831-033 ≣D85Ch Slovenia (team)23 Nov 2002
29Pytel Krzysztof (...2405Bennett Gerald H ...23201-031 ≣D85It
376Pacher Milan (SVK)2063Bures Vit (CZE)21921-036 ≣D85It (open) \
32Mehwald DHentzgen K1-029 ≣D85corr.
36Garcia Vicente Ni...2214Tagnon Nicole (FRA)19341-029 ≣D85Olympiad (w)
559Karlzen HenrikWedin Svante (SWE)19831-020 ≣D85Ch Sweden (master...03 Jul 2010
378Gutierrez Oscar (...2093Carvajal Jonathan...21251-034 ≣D85Ch Costa Rica
44Borchardt Adam (POL)1967Lipski Tadeusz (POL)20391-025 ≣D85Ch Poland20 Feb 1977
45Cooper John G (WLS)2315Whiteley Andrew J...22801-035 ≣D85Ch Great Britain
600Sambuev Bator (CAN)2542Prahov Valentin (...22091-037 ≣D85Ch Quebec (invita...22 Jul 2012
504Thomas Robert K (...2156Truman Richard G ...20351-034 ≣D85Ch England (team)...03 May 2008
381Kristensen Bjarke...2401Bae Torstein (NOR)22771-030 ≣D85Ch Norway
50Tarjan James E (USA)2510Frasco1-039 ≣D85Ch USA (juniors)
51Deutschmann Matth...2165Sutterer Robert (...22051-022 ≣D85Ch Baden
53PugachevskyPetrienko Vladimi...23941-039 ≣D85?
54JacekAdamec Antonin (CZE)22061-032 ≣D85corr.
55Kopecky Bretislav...2121Dihel K1-029 ≣D85corr.
56Stekelenburg ADaamen Ferry (NED)20631-028 ≣D85Ch Netherlands (o...
58OudVan Welzen1-024 ≣D85corr.
561Antonov Nikola (BUL)1704Sisoev Robert (BUL)16151-034 ≣D85It \18 Jul 2010
588Owiny FestoKaamu Joseph1-035 ≣D85Ch Uganda
564Otero Diasmany (CUB)2417Aguero Luis Lazar...24031-028 ≣D85Memorial Rene Bas...07 Sep 2010
387Vega Viejo Marcel...2193Ahmed Garcia Omar...19671-030 ≣D85Ch Asturias
65Priems PieterBoekelman J1-025 ≣D85corr.
66Knaak Rainer (GER)2505Gauglitz Gernot (...23101-032 ≣D85Ch DDR
67Balashov Yuri S (...2545Polovodin Igor A ...24351-031 ≣D85Ch URS (1 liga)
68Peev Peicho (BUL)2284Honfi Karoly (HUN)23651-032 ≣D85?
69Hernik MiroslavKassatschki1-021 ≣D85corr.
70Hanauer Andre1955Popov Ivan (SRB)22421-029 ≣D85Europe Tournament...
71Staniszewski Piot...2420Tomaszewski Roman...23321-034 ≣D85Ch Poland
74Baumann WalterBlosze Winfried (...19141-039 ≣D85corr.
75Timme Karin Dr (GER)2116Prussas C1-038 ≣D85Ch DDR (w)
388Ahlander Bjorn (SWE)2411Ernst Thomas (SWE)24631-032 ≣D85Ch Sweden
79Nunn John D M (ENG)2590De Jong Tom (NED)22951-031 ≣D85It (thematic)
80Van Der Tuuk Jaap...2218Schenk Andreas (GER)24991-026 ≣D85It (thematic)
81Schoen Wolfram (GER)2403Candea Gheorghe (...21391-029 ≣D85?
82Fekete Istvan (HUN)2062Mueller Friedrich...20851-037 ≣D85corr.
565Fabian Gaston (ARG)2266Mendez Ignacio (ARG)18741-033 ≣D85It (open)12 Oct 2010
84Murach KKohl1-036 ≣D85corr.
567Fernandez Maria (...2119Gazola Vanessa Ra...19831-026 ≣D85It (w)20 Nov 2010
86Hauke Christian (...2197Saenger Thomas1-028 ≣D85It (open) (b)
87Bus Mariusz (POL)2372Bugajski Robert (...22011-029 ≣D85Ch Poland (team)
393Rej Tomek (AUS)2248Wright Neil (AUS)21411-027 ≣D85Ch Australia
91Kaidanov Gregory ...2420Vyzmanavin Alexey...25401-034 ≣D85?
92Pekarek Ales (CZE)2406Stohl Igor (SVK)24651-032 ≣D85Ch Czechoslovakia
568Swapnil S Dhopade...2425Webster Richard J...19561-029 ≣D85It (open) (masters)30 Dec 2010
99Neverov Valeriy (...2440Huzman Alexander ...25001-021 ≣D85Ch URS (young mas...
396Opl Klaus (AUT)2305Hoellrigl Wilfrie...22341-036 ≣D85Staatsliga B West...13 Mar 2004
102Miralles Gilles (...2470Atanasijadis Anti...22801-039 ≣D85It
397Naumkin Igor (RUS)2479Russo Carmelo (ITA)17861-028 ≣D85It (cat.2)13 Mar 2004
104Roemer Ulrich (GER)2292Schneider Daniel ...19301-031 ≣D85It (open)
105Piskov Yury (RUS)2415Lputian Smbat G (...25401-025 ≣D85It (open)
295Avlasenko Vladimi...Melnikov Stepan (...1-026 ≣D85It (open) (corr.)
106Browne Walter S (...2449Keyes1-039 ≣D85It (open)
398Bitkinin Lenar (RUS)2059Sitnikov S (RUS)22311-035 ≣D85Ch Russia (junior...
109Bareev Evgeny (RUS)2560Spiriev Peter (HUN)22451-036 ≣D85It (open)
110KaunonenLaurencena1-030 ≣D85Olympiad (corr.)
111Matt A (GER)Schwarz V1-033 ≣D85Ch DDR (corr.)
399Mirzanurov Bulat ...2264Khakimov Timur (RUS)22561-030 ≣D85Ch Russia (junior...
113Gierden HorstKalka Arkadius Ge...23651-039 ≣D85?
115Sampakoski KimmoFroeberg Harri1-028 ≣D85Ch Finland (team)
116Dahl B (NOR)2310Weischede Thomas ...22761-038 ≣D85Bundesliga 1987/8...
117Michaelsen Nils (...2412Ruehrig Volkhard ...1-031 ≣D85Bundesliga 1988/89
118Niklasch Oliver (...2347Lund Thomas1-036 ≣D85Regionalliga NordS
119Lugovoi Aleksei (...2531Prosvirin1-029 ≣D85?
120Balashov Yuri S (...2540Sibarevic Milenko...23121-037 ≣D85It (open)
121Balashov Yuri S (...2540Hansen Curt (DEN)25201-036 ≣D85It (cat.11)
123Christiansen Larr...2575Rao Vivek (USA)24351-034 ≣D85It \
126Wilder Michael (USA)2505Kudrin Sergey (USA)25451-036 ≣D85Ch USA
127Moskalenko Viktor...2475Tesla Vladimir (SRB)22971-036 ≣D85It
128Kasparov Garry (RUS)2760Schweizer Wolfgang20251-028 ≣D85Simultan
129Amir Karim (PAK)2234Al-Ashhab Saamer ...22601-030 ≣D85Ch Asia (juniors)...
130Kishnev Sergey (RUS)2484Feldman Steven (USA)22411-040 ≣D85It (open) \
400Andreeva Arina (RUS)2001Gorlova Marina (RUS)18691-030 ≣D85Ch Russia (junior...
512Tikkanen Hans (SWE)2415Havlikova Kristyn...21791-031 ≣D85It \07 Aug 2008
135PitsonNusby1-020 ≣D85corr.
136Umezinwa George (...2242Chow Albert (USA)22061-025 ≣D85Tournament
137Oppici Gabriele (...1964Caprifichi1-028 ≣D85corr.
138Scaletti LBiondi Maurizio1-040 ≣D85corr.
140Polzin Rainer (GER)2469Byers1-026 ≣D85It (open)
403Zhukova Natalia (...2481Shomoev Anton (RUS)24861-027 ≣D85It (blitz) ACP (P...13 Apr 2004
142Browne Walter S (...2555Nickoloff Bryon (...24201-035 ≣D85It (open)
143Browne Walter S (...2555Nickoloff Bryon (...24201-032 ≣D85It (open)
144Pribyl Martin (CZE)2343Bucek Jiri (CZE)1-038 ≣D85It \
145PinusBasok1-036 ≣D85corr.
404Tsvetkov Ludmil2160Filev Georgi (BUL)21171-038 ≣D85It (open)24 Apr 2004
149Petran Pal (HUN)2410Vadasz Laszlo (HUN)22711-026 ≣D85It
150Lukacs Peter (HUN)2404Monda Laszlo (HUN)21291-033 ≣D85It (open) \
405Ylonen Anders (SWE)2090Forsberg Viktor (...21371-029 ≣D85Ch Sweden (juniors)18 Jul 2004