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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
444Sincl Josef (CZE)Walach Marcin (POL)0-136 ≣D85It (open)20 May 2006
235Skowronski Piotr ...2072Macieja Bartlomie...26130-126 ≣A16Tournament (active)
12Sloth Jorn (DEN)2328Harju Antero1-033 ≣D85?
550Smarandoiu Adrian...2045Nedelcu Ionut18061-032 ≣D85Ch Romania02 Feb 2010
269Smirnov A VVlaskov A (RUS)24541-021 ≣D85Ch Russia (1 liga...
284Sommer WolfgangKiel Bernd19500-139 ≣D85Mecklenburg Lande...
197Southam David (CAN)2086Hamilton Robert (...23011-036 ≣D85It (open)
445Sparreboom Willem...1993Nordenbaek Jan (DEN)22000-130 ≣D85It (open)07 Jun 2006
425Sparreboom Willem...2028Beeke Bobby (NED)21670-136 ≣D85It (open)09 Aug 2005
556Spasov IvayloKalchev Sava (BUL)16631-028 ≣D85Memorial M.Bobots...04 May 2010
427Stamenkovic Aleks...2260Sarenac David (SRB)21540-140 ≣D85It (open) \17 Aug 2005
192Stamenkovic Zoran...2418Filipovic Branko ...24031-028 ≣D85Ch Yugoslavia
71Staniszewski Piot...2420Tomaszewski Roman...23321-034 ≣D85Ch Poland
16Stefanov JordanMoe Mogens (DEN)23000-127 ≣D85Ch World (team) (...
528Stefansky Mikhail...2268Troshohenko Pavel...21911-040 ≣D85Ch Ukraine18 May 2009
442Stein Marco (GER)2128Schneider Udo (GER)19121-034 ≣D85Ch Hessen (b)13 Apr 2006
56Stekelenburg ADaamen Ferry (NED)20631-028 ≣D85Ch Netherlands (o...
177Stelzer Harald (GER)2272Metz Hartmut (GER)22960-139 ≣D85It
496Stepanov Igor (RUS)2052Pristalov Evgeny ...18650-134 ≣D85It (open) (b)04 Feb 2008
401Stephan Jan (GER)2100Liepold Stefan (GER)22360-140 ≣D85Ch Mittelfranken ...06 Apr 2004
412Stewart Kenneth (...2115Campbell Eoin (SCO)19181-032 ≣D85Ch Scotland (open)
275Stocek Jiri (CZE)2470Gavrjushin Oleg (...23501-035 ≣D85It (open) \
486Stoyko Maksym (ITA)2131Angelini Marco (ITA)20090-124 ≣D85Ch Italy (team) (...01 Nov 2007
394Surendran N (IND)2026Konguvel Ponnuswa...24030-134 ≣D85It (open)21 Jan 2004
568Swapnil S Dhopade...2425Webster Richard J...19561-029 ≣D85It (open) (masters)30 Dec 2010
170Sygulski Artur (POL)2378Luecke Norbert (GER)23531-031 ≣D85Bundesliga 1990/91
46Szmacinska Grazyn...2181Khadilkar Jayshre...21201-031 ≣D85Olympiad
47Tan Bian Huat (MAS)Schmidt Wlodzimie...25050-138 ≣D85Olympiad
50Tarjan James E (USA)2510Frasco1-039 ≣D85Ch USA (juniors)
241Tedeschi Paolo (ITA)2065Romano0-139 ≣D85It (open)
11Teichmann Erik O ...2312Kuchta Pavel1-026 ≣D85Europe Tournament...
237Terekhov Andrey (...2289Neverov Valeriy (...24700-131 ≣D85Memorial M.Chigorin
216Termorshuizen MLegemaat Gert (NED)22160-129 ≣D85corr.
18Teschner Rudolf (...2295Moe Mogens (DEN)23000-132 ≣D85Tournament
266Thiteca Thierry (...2099Lavrenov Yuli (BEL)20340-132 ≣D85Ch Belgium (team)...
504Thomas Robert K (...2156Truman Richard G ...20351-034 ≣D85Ch England (team)...03 May 2008
14Thorbergsson Frey...2340Gligoric Svetozar...24470-133 ≣D85It
512Tikkanen Hans (SWE)2415Havlikova Kristyn...21791-031 ≣D85It \07 Aug 2008
274Timman Jan H (NED)2625Hellers Ferdinand...25850-130 ≣D85It (cat.13)
75Timme Karin Dr (GER)2116Prussas C1-038 ≣D85Ch DDR (w)
236Timoscenko Gennad...2515Pobjecky Ivan (SVK)20581-032 ≣D85Slovak League (2n...
498Topalov Veselin (...2791Shirov Alexei (ESP)27261-034 ≣D85It (cat.21)03 Mar 2008
17Truesdel LDSimpson Ronald (USA)22711-039D85It (open)
183Tsemekhman Vadim ...2355Kudrin Sergey (USA)25351-037 ≣D85It (open)
404Tsvetkov Ludmil2160Filev Georgi (BUL)21171-038 ≣D85It (open)24 Apr 2004
406Tulay Berkay (TUR)2122Sanikidze Tornike...23640-124 ≣D85Ch Europe (junior...29 Jul 2004
100Tuomala Timo (FIN)2227Koskinen Henri (FIN)22651-024 ≣D85?
290Tuominen Risto (FIN)2283Topi-Hulmi Teemu ...22791-027 ≣D85It (open)
579Tuominen Risto (FIN)2283Nieminen Markus1-026 ≣D85It (open)05 Jul 2011
441Uhle Helmut2076Schwenck Mathias21850-122 ≣D85Tournament \15 Mar 2006
467Ulko Jaroslav (RUS)2485Vorobjov Denis S ...22271-027 ≣D85Ch Moscow (1/2 fi...
298Ulms Sandra (GER)2127Claus Caroline (GER)21541-039 ≣D85Ch DDMM (w)
136Umezinwa George (...2242Chow Albert (USA)22061-025 ≣D85Tournament
357Urbankova Eva (CZE)2191Borkovec Milan (CZE)22111-022 ≣D85Czech League 2002...
122Utemov Vladimir (...2385Obodchuk Andrei (...23840-135 ≣D85Ch URS (club)
24Vaganian Rafael A...2510Mukhin Evgeny B (...22940-133 ≣D85Olympiad URS
267Van Beers Eddy (BEL)2275Van Gaalen Bas (NED)23551-037 ≣D85Ch Belgium (team)...
80Van Der Tuuk Jaap...2218Schenk Andreas (GER)24991-026 ≣D85It (thematic)
484Vandre Wolfgang (...2172Svane Rasmus (GER)19811-040 ≣D85It (open) \17 Oct 2007
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
213Van Vossen Robert...2009Pauptit G0-129 ≣D85It (open) (junior...
211Vapnichnaya Raisa...Schulz Petra (GER)20741-040 ≣A16Bundesliga (w)
527Vargas Gabriela (...2092Romero Echeverria...20481-039 ≣D85Ch South America ...12 Apr 2009
196Vargas JAAguiar Justo (CUB)20870-133 ≣D85Ch Andalucia (team)
76Vasiliev Rustam N...2405Kuporosov Viktor ...24130-139 ≣D85Ch Armed Forces
304Vasiljevs Jurijs ...2065Stillger Bernhard...23740-138D85Ch Rheinhausen
226Vaya Gomez Alejan...2131Reis LM1-026 ≣A40It (open)
387Vega Viejo Marcel...2193Ahmed Garcia Omar...19671-030 ≣D85Ch Asturias
543Veingold Aleksand...2468Holmsten Aleksei ...23761-029 ≣D85Ch Finland (team)...14 Nov 2009
161Verdier Patrice (...2260Veysseyre Didier ...21191-030 ≣D85It (open)
454Vince Andrea (SRB)1932Danelia Mariam (GEO)20220-139 ≣D85Ch Europe (junior...17 Sep 2006
287Voracek Miroslav ...2210Sebenik Matej (SLO)21551-033 ≣D85Ch Europe (junior...
369Vorobiev Denis (RUS)Makarov Yuriy (RUS)22381-039 ≣D85It (c)
479Vorobjov Denis S ...2227Vorontsov Nickola...22990-140 ≣D85Cup Volga06 Jul 2007
285Voulikh BorisMueller0-126 ≣D85VL1 Ruhrgebiet 19...
582Vshivkov Vitaly (...1824Itkin Alexander (...20181-028D85Memorial Sukharev...20 Jul 2011
98Vyzmanavin Alexey...2540Ivanchuk Vassily ...24801-039 ≣D85Ch Armed Forces
461Wallart Adrien (FRA)2235Jactel Nicolas (FRA)20890-135 ≣D85It (open)29 Dec 2006
27Walter Gerhard (AUT)2139Franke Claus0-121 ≣D85corr.
72WaltherFranke0-121 ≣D85corr.
499Wang Yue (CHN)2736Hermansson Emil (...24231-035 ≣D85It (open)06 Mar 2008
542Weinmann Stefan (...2157Seeger Peter (GER)20150-140 ≣D85Bezirksliga 2009/1025 Oct 2009
243Werner MariaBachmann Andreas ...22650-126 ≣D85Oberliga Northeas...
508Westin Bertil (SWE)1990Soderborg Berndt ...21370-136 ≣D85Ch Sweden (seniors)04 Jul 2008
339Weteringh HansBroersen Sjors (NED)21010-140 ≣D85It (open)
206Wicht Juergen (GER)2174Schmidt Bernhard ...22440-131 ≣D85It (open) \
529Wielsch Klaus (GER)2156Saering Patrick (...21341-039D85Ch Baden (open)02 Jun 2009
126Wilder Michael (USA)2505Kudrin Sergey (USA)25451-036 ≣D85Ch USA
178Wuest Michael (GER)1961Vierling J1-030 ≣D85It (open) (b)
277Wukits Rene (AUT)2230Schigan Manfred (...22950-132 ≣D85Staatsliga (qual)
417Wu Li (ENG)2287Chakanyuka Charle...21231-026 ≣D85It (open)26 Mar 2005
20Yabra Freddy (DOM)Moraza Manuel (PUR)21871-035 ≣D85Ch Pan-American
205Yip Michael (CAN)2006Farkas Tibor (SRB)23701-030 ≣D85It (cat.3)
405Ylonen Anders (SWE)2090Forsberg Viktor (...21371-029 ≣D85Ch Sweden (juniors)18 Jul 2004
458Zahorsky Robert (...1952Kukel Imre (SVK)22511-030 ≣D85Ch Slovakia (team...26 Nov 2006
436Zhao Zong-Yuan (AUS)2455Obst James (AUS)21061-034 ≣D85Ch Australia03 Jan 2006
403Zhukova Natalia (...2481Shomoev Anton (RUS)24861-027 ≣D85It (blitz) ACP (P...13 Apr 2004
251Zimmermann Paul (...2186Tresch Ralf (GER)22210-136 ≣D85Verbandsliga Nort...26 Nov 1995
57Zita Frantisek (CZE)Garubba1-033 ≣D85corr.