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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
36Garcia Vicente Ni...2214Tagnon Nicole (FRA)19341-029 ≣D85Olympiad (w)
68Peev Peicho (BUL)2284Honfi Karoly (HUN)23651-032 ≣D85?
95Pons Morro Pedro ...2148Casares F1-033 ≣D85Ch Spain (team)
32Mehwald DHentzgen K1-029 ≣D85corr.
54JacekAdamec Antonin (CZE)22061-032 ≣D85corr.
67Balashov Yuri S (...2545Polovodin Igor A ...24351-031 ≣D85Ch URS (1 liga)
408Holst Conny (SWE)2163Duesterwald Marc ...22211-034 ≣D85Cup European Club05 Oct 2004
88Knaak Rainer (GER)2530Blees Albert (NED)23911-031 ≣D85It
19Rushnikov VLinert H1-030 ≣D85Europe Tournament...
29Pytel Krzysztof (...2405Bennett Gerald H ...23201-031 ≣D85It
50Tarjan James E (USA)2510Frasco1-039 ≣D85Ch USA (juniors)
53PugachevskyPetrienko Vladimi...23941-039 ≣D85?
57Zita Frantisek (CZE)Garubba1-033 ≣D85corr.
66Knaak Rainer (GER)2505Gauglitz Gernot (...23101-032 ≣D85Ch DDR
200Gentes Kevin (CAN)2266Burstow John (CAN)22801-028 ≣D85Tournament \
509Holst Conny (SWE)2161Andersen Daniel (...19401-038 ≣D85It (open) \22 Jul 2008
21Donner Jan-Hein (...2500Ree Hans (NED)24301-038 ≣D85Match
96Dokhoian Yury (RUS)2525Huzman Alexander ...25001-036 ≣D85Ch URS (1 liga)
7Espinosa Rafael M...2403Gieselbrecht J1-035 ≣D85Olympiad (corr.)
17Truesdel LDSimpson Ronald (USA)22711-039D85It (open)
20Yabra Freddy (DOM)Moraza Manuel (PUR)21871-035 ≣D85Ch Pan-American
22Sacripanti GTatarenko W1-025 ≣D85corr.
44Borchardt Adam (POL)1967Lipski Tadeusz (POL)20391-025 ≣D85Ch Poland20 Feb 1977
45Cooper John G (WLS)2315Whiteley Andrew J...22801-035 ≣D85Ch Great Britain
51Deutschmann Matth...2165Sutterer Robert (...22051-022 ≣D85Ch Baden
34Knaak Rainer (GER)2510Gruenberg Hans-Ul...23151-040 ≣D85It
55Kopecky Bretislav...2121Dihel K1-029 ≣D85corr.
56Stekelenburg ADaamen Ferry (NED)20631-028 ≣D85Ch Netherlands (o...
65Priems PieterBoekelman J1-025 ≣D85corr.
431Claassen Chris (USA)2071Lee Marvin (USA)19191-036 ≣D85It (open)17 Oct 2005
312Adnan Alrais (UAE)2132Abdullah Mansoor ...22901-038 ≣D85It (open)
35Kouatly Bachar (FRA)2453Lappoehn Hardy (GER)20831-038 ≣D85It (open)
459Kratochvil Karel ...2124Sekanina Jiri (CZE)21511-034 ≣D85Czech League 2006...03 Dec 2006
325Cubero Ferreiro R...2126Iglesias Iglesias...1-039 ≣D85It (open)
23Acosta Tomas (ARG)2275Farah Rodolfo (ARG)21521-040 ≣D85It (open)
1Bronstein David I...2432Boleslavsky Isaac...25601-032 ≣D85
477Clemens Adrian (NED)2316Schut Lisa (NED)19761-036 ≣D85It (open)27 May 2007
515Moranda Wojciech ...2536Csiba Dominik (SVK)21691-039 ≣D85It (open) \30 Sep 2008
544Mindlin Alon (ISR)2006Gu In Jung (KOR)16671-032 ≣D85Ch World (juniors...21 Nov 2009
63Halmi PenttiFunck Kaj1-035 ≣D85?
9Primavera Giusepp...Stupica Janez (SLO)22621-032 ≣D85It
12Sloth Jorn (DEN)2328Harju Antero1-033 ≣D85?
39Lilienthal Andor ...2385Jankovec Ivan (CZE)21801-037 ≣D85Cup Nordic (corr.)
187Meskanen Vesa (FIN)2065Varho Ilkka1-034 ≣D85It (open)
402Hauser Carlos (GER)2150Kaczmarczyk Denni...20061-026 ≣D85Ch Baden (MA)13 Apr 2004
447Komninos Nikolaos...2152Katzourakis Pavlo...20881-024 ≣D85Ch Greece (team)05 Jul 2006
409Gilles Francois (...1728Caron Antoine (FRA)14501-036 ≣D85It (open)10 Oct 2004
532Edes Zsofia (SVK)1924Kralova Klaudia (...17831-025 ≣D85Ch Slovakia (juni...28 Jun 2009
436Zhao Zong-Yuan (AUS)2455Obst James (AUS)21061-034 ≣D85Ch Australia03 Jan 2006
460Akhmadeev Valery ...2244Glazkov Arseny (RUS)20391-039 ≣D85Memorial N.Aratov...04 Dec 2006
134Ilic Dragan B (SRB)2266Knobel Rolf (SUI)22601-036 ≣D85It (open)
253Juhasz Bela (HUN)2124Szekeres Sandor (...20571-033 ≣D85It (open)
579Tuominen Risto (FIN)2283Nieminen Markus1-026 ≣D85It (open)05 Jul 2011
417Wu Li (ENG)2287Chakanyuka Charle...21231-026 ≣D85It (open)26 Mar 2005
208HyblSvarc1-028 ≣D85Ch Czechoslovakia...
279Rauk Tonu (EST)2205Zitin Yuri (EST)22051-026 ≣D85Ch Estonia (team)
395Bojchev Marian (BUL)2237Petkov Atanas (BUL)20311-039 ≣D85Ch Bulgaria (juni...05 Feb 2004
131Martinovsky Eugen...2299Gurnaney A1-035 ≣D85It (open)
58OudVan Welzen1-024 ≣D85corr.
391Rau Hannes (GER)2384Markl Martin (GER)22301-024 ≣D85Bundesliga (2nd) ...09 Mar 2003
563Dubessay Bastien ...2336Briet Antoine (FRA)22281-025 ≣D85Ch France (access...
360Kourkounakis Ilia...2375Byklum Bjornar (NOR)22141-026 ≣D85It (b)
574Colpe Malte (GER)2245Wedrychowski Lukas16451-025 ≣D85Ch Germany (junio...01 May 2011
114KoponenLuoto Timo1-029 ≣D85Ch Finland (team)
537Simon Tamas (HUN)1808Solti Gergely (HUN)18391-035 ≣D85Tournament (Elo) (c)13 Aug 2009
2Rebizzo Cayetano ...2265Benko Francisco (...20361-037 ≣D85Ch Argentina
165Lukacs Peter (HUN)2500Spiriev Peter (HUN)22451-031 ≣D85It
382Gustafsson Jan (GER)2603Hintze Helge (GER)22961-026D85Ch Germany (Inter...
538Zude Erik Dr (GER)2402Seeger Peter (GER)20151-030 ≣D85It (open) \03 Sep 2009
367Oliveira Carlos (...Matias Iuri1-024 ≣D85Ch Portugal
107Piantoni Roberto ...2119Moncelli Giorgio ...20811-027 ≣D85?
437Del Rio Angelis S...2492Enjuto Velasco Ro...21831-023 ≣D85It (open)13 Jan 2006
453Golovlev Nikolay ...2283Kolodiy Taras (UKR)18811-031 ≣D85It (open) \27 Aug 2006
183Tsemekhman Vadim ...2355Kudrin Sergey (USA)25351-037 ≣D85It (open)
351Albers Taco JanKnight Timothy R1-021 ≣D85It (open) \
421Mironenko Rostisl...2200Tarnovetsky Roman...1-025 ≣D85Tournament (team)...03 May 2005
527Vargas Gabriela (...2092Romero Echeverria...20481-039 ≣D85Ch South America ...12 Apr 2009
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
193Cramling Pia (SWE)2530Tsuboi Edson Kenj...23501-039 ≣D85Olympiad
334Ernst Sipke (NED)2459Jens Jelmer (NED)23181-036 ≣D85It (open)
539Pavic Jakov (CRO)2118Dugandzic Boris (...22271-030 ≣D85Ch Croatia (team)...04 Oct 2009
8Lustin Vitaly (UKR)Kutianin Yuri (RUS)1-031D85Ch Moscow (for th...
10Damjanovic Mato (...2303Mihaljcisin Mihaj...22801-027 ≣D85Ch Yugoslavia
11Teichmann Erik O ...2312Kuchta Pavel1-026 ≣D85Europe Tournament...
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?
162ChuikovTagirov1-032 ≣D85corr.
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
601Milutinovic Stefa...1896Vasileva Veronik ...17481-022D85Ch Bulgaria (open...24 Jul 2012
69Hernik MiroslavKassatschki1-021 ≣D85corr.