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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
351Albers Taco JanKnight Timothy R1-021 ≣D85It (open) \
421Mironenko Rostisl...2200Tarnovetsky Roman...1-025 ≣D85Tournament (team)...03 May 2005
488Rogozenko Dorian ...2519Akesson Ralf (SWE)24681-026 ≣D85It (cat.8)20 Nov 2007
148Malyshev Vasilij ...2353Horvath Miklosne ...21301-031 ≣D85It (open)
501Peng Zhaoqin (NED)2455Goormachtigh Joha...22421-027 ≣D85Ch Netherlands (t...29 Mar 2008
334Ernst Sipke (NED)2459Jens Jelmer (NED)23181-036 ≣D85It (open)
473Kanep Meelis (EST)2515Mayer Frank (GER)21101-036 ≣D85Ch Europe03 Apr 2007
551Kanep Meelis (EST)2532Holmsten Aleksei ...23751-029 ≣D85Ch Finland (team)...13 Feb 2010
464Kanep Meelis (EST)2515Zjukin Sergei (EST)23131-027 ≣D85Ch Estonia25 Jan 2007
46Szmacinska Grazyn...2181Khadilkar Jayshre...21201-031 ≣D85Olympiad
98Vyzmanavin Alexey...2540Ivanchuk Vassily ...24801-039 ≣D85Ch Armed Forces
52Liimatta MarttiVarjoranta Raimo1-031 ≣D85?
40Borchardt Adam (POL)1967Lipski Tadeusz (POL)20391-025 ≣D85Ch Poland
100Tuomala Timo (FIN)2227Koskinen Henri (FIN)22651-024 ≣D85?
33LaMarraSerrano1-032 ≣D85corr.
89Kaidanov Gregory ...2420Janjgava Lasha (GEO)24101-037 ≣D85Ch URS (1 liga)
553Braun Marek (CZE)2153Voracek Miroslav ...21841-035 ≣D85Czech League 2009...14 Mar 2010
2Rebizzo Cayetano ...2265Benko Francisco (...20361-037 ≣D85Ch Argentina
35Kouatly Bachar (FRA)2453Lappoehn Hardy (GER)20831-038 ≣D85It (open)
200Gentes Kevin (CAN)2266Burstow John (CAN)22801-028 ≣D85Tournament \
325Cubero Ferreiro R...2126Iglesias Iglesias...1-039 ≣D85It (open)
509Holst Conny (SWE)2161Andersen Daniel (...19401-038 ≣D85It (open) \22 Jul 2008
408Holst Conny (SWE)2163Duesterwald Marc ...22211-034 ≣D85Cup European Club05 Oct 2004
1Bronstein David I...2432Boleslavsky Isaac...25601-032 ≣D85
21Donner Jan-Hein (...2500Ree Hans (NED)24301-038 ≣D85Match
96Dokhoian Yury (RUS)2525Huzman Alexander ...25001-036 ≣D85Ch URS (1 liga)
88Knaak Rainer (GER)2530Blees Albert (NED)23911-031 ≣D85It
95Pons Morro Pedro ...2148Casares F1-033 ≣D85Ch Spain (team)
63Halmi PenttiFunck Kaj1-035 ≣D85?
7Espinosa Rafael M...2403Gieselbrecht J1-035 ≣D85Olympiad (corr.)
8Lustin Vitaly (UKR)Kutianin Yuri (RUS)1-031D85Ch Moscow (for th...
9Primavera Giusepp...Stupica Janez (SLO)22621-032 ≣D85It
10Damjanovic Mato (...2303Mihaljcisin Mihaj...22801-027 ≣D85Ch Yugoslavia
11Teichmann Erik O ...2312Kuchta Pavel1-026 ≣D85Europe Tournament...
12Sloth Jorn (DEN)2328Harju Antero1-033 ≣D85?
17Truesdel LDSimpson Ronald (USA)22711-039D85It (open)
19Rushnikov VLinert H1-030 ≣D85Europe Tournament...
20Yabra Freddy (DOM)Moraza Manuel (PUR)21871-035 ≣D85Ch Pan-American
22Sacripanti GTatarenko W1-025 ≣D85corr.
29Pytel Krzysztof (...2405Bennett Gerald H ...23201-031 ≣D85It
32Mehwald DHentzgen K1-029 ≣D85corr.
36Garcia Vicente Ni...2214Tagnon Nicole (FRA)19341-029 ≣D85Olympiad (w)
44Borchardt Adam (POL)1967Lipski Tadeusz (POL)20391-025 ≣D85Ch Poland20 Feb 1977
45Cooper John G (WLS)2315Whiteley Andrew J...22801-035 ≣D85Ch Great Britain
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...
57Zita Frantisek (CZE)Garubba1-033 ≣D85corr.
58OudVan Welzen1-024 ≣D85corr.
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)
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.
84Murach KKohl1-036 ≣D85corr.
86Hauke Christian (...2197Saenger Thomas1-028 ≣D85It (open) (b)
87Bus Mariusz (POL)2372Bugajski Robert (...22011-029 ≣D85Ch Poland (team)
91Kaidanov Gregory ...2420Vyzmanavin Alexey...25401-034 ≣D85?
92Pekarek Ales (CZE)2406Stohl Igor (SVK)24651-032 ≣D85Ch Czechoslovakia
99Neverov Valeriy (...2440Huzman Alexander ...25001-021 ≣D85Ch URS (young mas...
102Miralles Gilles (...2470Atanasijadis Anti...22801-039 ≣D85It
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)
109Bareev Evgeny (RUS)2560Spiriev Peter (HUN)22451-036 ≣D85It (open)
110KaunonenLaurencena1-030 ≣D85Olympiad (corr.)
111Matt A (GER)Schwarz V1-033 ≣D85Ch DDR (corr.)
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) \
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)
142Browne Walter S (...2555Nickoloff Bryon (...24201-035 ≣D85It (open)
143Browne Walter S (...2555Nickoloff Bryon (...24201-032 ≣D85It (open)