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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
184Levitzkaja OPeptan Corina-Isa...24210-133 ≣D85Ch World (juniors...
349Gustafsson Jan (GER)2526Perlitz Sven (GER)22061-032 ≣D85It (open)27 Jul 2001
212Fritsch GPerlitz Sven (GER)20850-133 ≣D85Oberliga East 199...
395Bojchev Marian (BUL)2237Petkov Atanas (BUL)20311-039 ≣D85Ch Bulgaria (juni...05 Feb 2004
53PugachevskyPetrienko Vladimi...23941-039 ≣D85?
541Cardili Mariano (...2106Pienabarca Nicola...20811-034 ≣D85It (open)24 Oct 2009
517Mareco Sandro (ARG)2481Pierrot Facundo (...24201-035 ≣D85It \03 Dec 2008
85Boensch Uwe (GER)2530Piesina Gintautas...23250-131 ≣D85Ch Hungary (open)
236Timoscenko Gennad...2515Pobjecky Ivan (SVK)20581-032 ≣D85Slovak League (2n...
67Balashov Yuri S (...2545Polovodin Igor A ...24351-031 ≣D85Ch URS (1 liga)
478Mayhew Andrew (ENG)2058Poobalasingam Pet...21580-134 ≣D85It (open)16 Jun 2007
186Russo Guilherme M...2050Popovich Sviatosl...22330-132 ≣D85Tournament (team)
70Hanauer Andre1955Popov Ivan (SRB)22421-029 ≣D85Europe Tournament...
497Groschup G1886Potthammel Joerg ...20610-132 ≣D85Ch Europe (senior...14 Feb 2008
600Sambuev Bator (CAN)2542Prahov Valentin (...22091-037 ≣D85Ch Quebec (invita...22 Jul 2012
42Deze Anton (YUG)2405Pribyl Josef (CZE)24850-128 ≣D85It
519Malyshev Nikita (...1824Pristalov Evgeny ...19930-119 ≣D85Memorial P.Dubini...04 Jan 2009
496Stepanov Igor (RUS)2052Pristalov Evgeny ...18650-134 ≣D85It (open) (b)04 Feb 2008
493Gorozhanin Mikhai...1789Pristalov Evgeny ...18650-114 ≣D85Memorial P.Dubini...
555Kim Nikita (RUS)2235Pristalov Evgeny ...20080-117 ≣D85Memorial Y. Voron...
119Lugovoi Aleksei (...2531Prosvirin1-029 ≣D85?
75Timme Karin Dr (GER)2116Prussas C1-038 ≣D85Ch DDR (w)
199Dauenheimer Torst...2234Pulina Dirk1-033 ≣D85Ch Rheinhessen (o...
257Schmid Shahanah (...2069Qin Kanying (CHN)23700-140 ≣D85Ch World (univers...
185Abdul Moula Sabri...2189Quaresma Pedro1-034 ≣D85Ch World (juniors...
575Flores Linan Jose...1926Ramon Serrano Fra...20810-129 ≣D85It \19 May 2011
123Christiansen Larr...2575Rao Vivek (USA)24351-034 ≣D85It \
457Pinc Miroslav (CZE)2192Rattinger Friedri...21381-038 ≣D85It (open)18 Nov 2006
329Kmit Jozef (SVK)2047Recky Norbert (SVK)19070-132 ≣D85Ch Slovakia (team...
21Donner Jan-Hein (...2500Ree Hans (NED)24301-038 ≣D85Match
593Duessel Udo (GER)Regez Markus (SUI)1-034 ≣D85Oberliga Baden 20...26 Feb 2012
526Peralta Fernando ...2545Reimche Vadim (GER)20851-033 ≣D85It (open)09 Apr 2009
226Vaya Gomez Alejan...2131Reis LM1-026 ≣A40It (open)
320Del-Monaco Andrea...2077Renier Renzo (ITA)19950-131 ≣D85It (open)
305Rzeszoto Rastisla...1905Ressler Vladimir ...19140-139 ≣D85Ch Slovakia (team...
465Krizek Frantisek ...2141Riska Lubomir (CZE)22181-026A16Czech League 2006...04 Feb 2007
202Hanewinkel Winfri...1975Rodel Willi1-036 ≣D85It (open)
380Pedersen Audun (NOR)2054Roder Peter (DEN)21480-131 ≣D85It (open) \
328Sega Carlos Alber...2270Rodrigues Edg1-038 ≣A16It (open)
534Guedes Lopez Saul...1753Rodriguez Melian ...21140-129 ≣D85It (open)18 Jul 2009
232Rauch HRoeber Bjoern (GER)23120-131 ≣D85Oberliga East 199...
452Hajnrych Jakub (POL)1955Rogalski Piotr (POL)17601-033 ≣D85Memorial Kochan09 Aug 2006
241Tedeschi Paolo (ITA)2065Romano0-139 ≣D85It (open)
527Vargas Gabriela (...2092Romero Echeverria...20481-039 ≣D85Ch South America ...12 Apr 2009
448Meskovs Nikita (LAT)2041Rosko Lubos (CZE)22030-135 ≣D85It (open) (team)14 Jul 2006
472Simek Petr (CZE)2231Rosko Lubos (CZE)22320-133 ≣D85Czech League 2006...01 Apr 2007
379Marsh SeanRound Michael0-134 ≣D85It (open)
332Hillarp Persson T...2549Rowson Jonathan (...24940-139 ≣D85It (open)
375Atalik Suat (BIH)2581Ruck Robert (HUN)25831-033 ≣D85Ch Slovenia (team)23 Nov 2002
117Michaelsen Nils (...2412Ruehrig Volkhard ...1-031 ≣D85Bundesliga 1988/89
397Naumkin Igor (RUS)2479Russo Carmelo (ITA)17861-028 ≣D85It (cat.2)13 Mar 2004
86Hauke Christian (...2197Saenger Thomas1-028 ≣D85It (open) (b)
529Wielsch Klaus (GER)2156Saering Patrick (...21341-039D85Ch Baden (open)02 Jun 2009
315Kuznetsov Oleg Y ...2207Sagitov E1-024 ≣D85It (open)
335Maisuradze Nino (...2190Sahakian Alla (ARM)20701-030 ≣D85It (open)
485Berg MargarSamuelsen Carl El...22970-135 ≣D85Ch Faroe Islands ...28 Oct 2007
363Kharlov Andrei (RUS)2597Sands David (ENG)22521-030 ≣D85Cup European Club...
406Tulay Berkay (TUR)2122Sanikidze Tornike...23640-124 ≣D85Ch Europe (junior...29 Jul 2004
427Stamenkovic Aleks...2260Sarenac David (SRB)21540-140 ≣D85It (open) \17 Aug 2005
372Petrov Saravco (MKD)2097Sarlamanov Pance ...22800-140 ≣D85It (open)
282Simon G (FRA)Sarthou Gaetan (FRA)23400-136 ≣D85Ch France (team) ...
80Van Der Tuuk Jaap...2218Schenk Andreas (GER)24991-026 ≣D85It (thematic)
576Nehls Benedikt (GER)1983Schiefer Peter15971-029 ≣D85Ch Germany (open)...12 Jun 2011
277Wukits Rene (AUT)2230Schigan Manfred (...22950-132 ≣D85Staatsliga (qual)
353Rott Jakob (AUT)Schleischitz Joha...19850-129 ≣D85Ch Austria (junio...
228Lytchak Alexander...2429Schmenger Felix (...22821-037 ≣D85Ch Germany (junio...
206Wicht Juergen (GER)2174Schmidt Bernhard ...22440-131 ≣D85It (open) \
93Pekarek Ales (CZE)2406Schmidt Wlodzimie...24700-133 ≣D85It \
37Niklasson Christe...2350Schmidt Wlodzimie...24850-138 ≣D85?
47Tan Bian Huat (MAS)Schmidt Wlodzimie...25050-138 ≣D85Olympiad
491Kadziolka Beata (...2295Schmidt Wlodzimie...24100-132 ≣D85Ch Europe (active)16 Dec 2007
189Danner Georg (AUT)2340Schnabel Ralf (GER)22411-027 ≣D85It (open)
188Gustavsson Cyrill...2206Schnegelsberg Kar...20321-034 ≣D85Ch Hessen
104Roemer Ulrich (GER)2292Schneider Daniel ...19301-031 ≣D85It (open)
442Stein Marco (GER)2128Schneider Udo (GER)19121-034 ≣D85Ch Hessen (b)13 Apr 2006
288Roemer Ulrich (GER)2310Schnitzspan Lotha...23100-136 ≣D85It (open)
261Garn Erwin (AUT)2014Schnitzspan Lotha...23400-138 ≣D85It (open)
244Kierzek Matthias ...2153Schnitzspan Lotha...23450-137 ≣D85Oberliga 1994/95
211Vapnichnaya Raisa...Schulz Petra (GER)20741-040 ≣A16Bundesliga (w)
416Horn VolkerSchulz Vladimir (...0-138 ≣A16Verbandsliga Bade...27 Feb 2005
477Clemens Adrian (NED)2316Schut Lisa (NED)19761-036 ≣D85It (open)27 May 2007
111Matt A (GER)Schwarz V1-033 ≣D85Ch DDR (corr.)
128Kasparov Garry (RUS)2760Schweizer Wolfgang20251-028 ≣D85Simultan
441Uhle Helmut2076Schwenck Mathias21850-122 ≣D85Tournament \15 Mar 2006
287Voracek Miroslav ...2210Sebenik Matej (SLO)21551-033 ≣D85Ch Europe (junior...
542Weinmann Stefan (...2157Seeger Peter (GER)20150-140 ≣D85Bezirksliga 2009/1025 Oct 2009
538Zude Erik Dr (GER)2402Seeger Peter (GER)20151-030 ≣D85It (open) \03 Sep 2009
535Fouad Abo Bakr (EGY)2055Seif Yaser1-028D85It (open)29 Jul 2009
459Kratochvil Karel ...2124Sekanina Jiri (CZE)21511-034 ≣D85Czech League 2006...03 Dec 2006
366Delgado Victor (USA)2321Semenic Igor (SUI)19531-028 ≣D85It \
248Koch Thomas (GER)2054Semprun F1-035 ≣A40It (open)
33LaMarraSerrano1-032 ≣D85corr.
407Kutlijarov Aleksa...Shamin Alexey0-122 ≣A15Memorial Kopylov ...
348Nasri Amin (IRI)2261Sheripov Eziz (TKM)21801-032 ≣D85Ch Asia (juniors)...
590Coursaget Nicolas...2309Shilov Sergej (UKR)21881-035 ≣D85It (open)30 Dec 2011
498Topalov Veselin (...2791Shirov Alexei (ESP)27261-034 ≣D85It (cat.21)03 Mar 2008
403Zhukova Natalia (...2481Shomoev Anton (RUS)24861-027 ≣D85It (blitz) ACP (P...13 Apr 2004
120Balashov Yuri S (...2540Sibarevic Milenko...23121-037 ≣D85It (open)
587Doskar Miloslav (...1757Siebenburger Vlas...20770-135 ≣D85It (open)24 Sep 2011
293Matsuura Everaldo...2408Silva Agostinho (...21601-019 ≣D85It (open)