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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
25Pina VictorFarah Rodolfo (ARG)21520-129 ≣D85Tournament (team)
23Acosta Tomas (ARG)2275Farah Rodolfo (ARG)21521-040 ≣D85It (open)
20Yabra Freddy (DOM)Moraza Manuel (PUR)21871-035 ≣D85Ch Pan-American
24Vaganian Rafael A...2510Mukhin Evgeny B (...22940-133 ≣D85Olympiad URS
10Damjanovic Mato (...2303Mihaljcisin Mihaj...22801-027 ≣D85Ch Yugoslavia
19Rushnikov VLinert H1-030 ≣D85Europe Tournament...
8Lustin Vitaly (UKR)Kutianin Yuri (RUS)1-031D85Ch Moscow (for th...
61Aaltio Erkki (FIN)2133Haapanen Kalle0-130 ≣D85corr.
22Sacripanti GTatarenko W1-025 ≣D85corr.
17Truesdel LDSimpson Ronald (USA)22711-039D85It (open)
9Primavera Giusepp...Stupica Janez (SLO)22621-032 ≣D85It
7Espinosa Rafael M...2403Gieselbrecht J1-035 ≣D85Olympiad (corr.)
11Teichmann Erik O ...2312Kuchta Pavel1-026 ≣D85Europe Tournament...
4Simagin Vladimir ...Ilivitzki Georgi ...23800-137 ≣D85Ch URS
41Deze Anton (YUG)2405Gligoric Svetozar...25650-139 ≣D85Ch Yugoslavia (team)
77Fedorowicz John P...2525Kudrin Sergey (USA)24950-125 ≣D85Ch USA
88Knaak Rainer (GER)2530Blees Albert (NED)23911-031 ≣D85It
27Walter Gerhard (AUT)2139Franke Claus0-121 ≣D85corr.
18Teschner Rudolf (...2295Moe Mogens (DEN)23000-132 ≣D85Tournament
3Bannik Anatoly (GER)2175Novotelnov Nikola...0-137 ≣D85Ch URS (team)
12Sloth Jorn (DEN)2328Harju Antero1-033 ≣D85?
16Stefanov JordanMoe Mogens (DEN)23000-127 ≣D85Ch World (team) (...
233Ahlander Bjorn (SWE)2405Hellers Ferdinand...25600-131 ≣D85It
39Lilienthal Andor ...2385Jankovec Ivan (CZE)21801-037 ≣D85Cup Nordic (corr.)
373Cubero Ferreiro R...2124Gonzalez Diaz Die...22880-130 ≣D85Ch Spain (univers...
208HyblSvarc1-028 ≣D85Ch Czechoslovakia...
72WaltherFranke0-121 ≣D85corr.
5Lilienthal Andor ...2385Korchnoi Viktor (...25560-132 ≣D85Ch URS (1/2 final)
284Sommer WolfgangKiel Bernd19500-139 ≣D85Mecklenburg Lande...
6Larsen Bent (DEN)2415Soderborg Berndt ...20960-128 ≣D85Olympiad (student...
30Shirazi Kamran (FRA)2285Behroozi Ev0-134 ≣D85Ch Iran
13Minic Dragoljub (...2355Gligoric Svetozar...24470-132 ≣D85It
122Utemov Vladimir (...2385Obodchuk Andrei (...23840-135 ≣D85Ch URS (club)
14Thorbergsson Frey...2340Gligoric Svetozar...24470-133 ≣D85It
253Juhasz Bela (HUN)2124Szekeres Sandor (...20571-033 ≣D85It (open)
21Donner Jan-Hein (...2500Ree Hans (NED)24301-038 ≣D85Match
34Knaak Rainer (GER)2510Gruenberg Hans-Ul...23151-040 ≣D85It
28Lindh BengtAverby Rune0-138 ≣D85corr.
95Pons Morro Pedro ...2148Casares F1-033 ≣D85Ch Spain (team)
302Cooke Eric (USA)2250Lapshun Yury (USA)25070-139 ≣D85Ch Manhattan Ches...
63Halmi PenttiFunck Kaj1-035 ≣D85?
319Morais Vitor (POR)2167Akesson Ralf (SWE)24860-123 ≣D85It (open)
134Ilic Dragan B (SRB)2266Knobel Rolf (SUI)22601-036 ≣D85It (open)
340Mololkina Olga (RUS)2107Horvath Miklosne ...21400-126 ≣D85Ch Hungary (team)...
245Cornelisse Johnny...2217De Visser P0-120 ≣D85It (open)
1Bronstein David I...2432Boleslavsky Isaac...25601-032 ≣D85
243Werner MariaBachmann Andreas ...22650-126 ≣D85Oberliga Northeas...
279Rauk Tonu (EST)2205Zitin Yuri (EST)22051-026 ≣D85Ch Estonia (team)
271Nguyen T Thu HuongBui Nhu My (VIE)0-118 ≣D85Ch Vietnam (team)...
131Martinovsky Eugen...2299Gurnaney A1-035 ≣D85It (open)
125Sigstam BjornOlsson Stefan0-138 ≣D85Ch Sweden (corr.)
309Juhasz Bela (HUN)2287Menyhart Tibor (HUN)23050-139 ≣D85Cup Zemplen (open)
563Dubessay Bastien ...2336Briet Antoine (FRA)22281-025 ≣D85Ch France (access...
360Kourkounakis Ilia...2375Byklum Bjornar (NOR)22141-026 ≣D85It (b)
272Ananchenko Igor (...2285Krivonogov A (RUS)23150-129 ≣D85Cup Russia (open)
114KoponenLuoto Timo1-029 ≣D85Ch Finland (team)
493Gorozhanin Mikhai...1789Pristalov Evgeny ...18650-114 ≣D85Memorial P.Dubini...
139Schemm H2060Hallebeek Fred (NED)22280-126 ≣D85It (open)
165Lukacs Peter (HUN)2500Spiriev Peter (HUN)22451-031 ≣D85It
382Gustafsson Jan (GER)2603Hintze Helge (GER)22961-026D85Ch Germany (Inter...
124Christiansen Larr...2575Korchnoi Viktor (...25950-132 ≣D85It (cat.15)
367Oliveira Carlos (...Matias Iuri1-024 ≣D85Ch Portugal
107Piantoni Roberto ...2119Moncelli Giorgio ...20811-027 ≣D85?
312Adnan Alrais (UAE)2132Abdullah Mansoor ...22901-038 ≣D85It (open)
342Bloch Pawel (POL)2069Szymanski Piotr (...21100-120 ≣D85Ch Poland (team) ...
157SchmitzWitzke0-138 ≣D85corr.
183Tsemekhman Vadim ...2355Kudrin Sergey (USA)25351-037 ≣D85It (open)
351Albers Taco JanKnight Timothy R1-021 ≣D85It (open) \
214Kovacs Attila (HUN)2365Apro Adrian (HUN)21830-127 ≣D85It \
171Ahonen JariEbeling Mika (FIN)22680-128 ≣D85Ch Club
234Hanewinkel Winfri...1975Zagorskis Darius ...24850-123 ≣D85It (open)
148Malyshev Vasilij ...2353Horvath Miklosne ...21301-031 ≣D85It (open)
187Meskanen Vesa (FIN)2065Varho Ilkka1-034 ≣D85It (open)
317Gorecki Zbigniew ...2112Ernst Sipke (NED)23730-132 ≣D85It (open)
334Ernst Sipke (NED)2459Jens Jelmer (NED)23181-036 ≣D85It (open)
93Pekarek Ales (CZE)2406Schmidt Wlodzimie...24700-133 ≣D85It \
244Kierzek Matthias ...2153Schnitzspan Lotha...23450-137 ≣D85Oberliga 1994/95
288Roemer Ulrich (GER)2310Schnitzspan Lotha...23100-136 ≣D85It (open)
261Garn Erwin (AUT)2014Schnitzspan Lotha...23400-138 ≣D85It (open)
162ChuikovTagirov1-032 ≣D85corr.
332Hillarp Persson T...2549Rowson Jonathan (...24940-139 ≣D85It (open)
96Dokhoian Yury (RUS)2525Huzman Alexander ...25001-036 ≣D85Ch URS (1 liga)
193Cramling Pia (SWE)2530Tsuboi Edson Kenj...23501-039 ≣D85Olympiad
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?
15Rometti BKristinsson Jon (...22900-137 ≣D85Olympiad
33LaMarraSerrano1-032 ≣D85corr.
89Kaidanov Gregory ...2420Janjgava Lasha (GEO)24101-037 ≣D85Ch URS (1 liga)
37Niklasson Christe...2350Schmidt Wlodzimie...24850-138 ≣D85?
97Graf Alexander (GER)2415Krasenkow Michal ...24200-137 ≣D85Ch Armed Forces
62Letic Stevan (SRB)2104Mooij Walter0-135 ≣D85Memorial Heilimo ...
2Rebizzo Cayetano ...2265Benko Francisco (...20361-037 ≣D85Ch Argentina
35Kouatly Bachar (FRA)2453Lappoehn Hardy (GER)20831-038 ≣D85It (open)
223Gentes Kevin (CAN)2266Burstow John (CAN)22800-135 ≣D85Memorial Kent Oli...
200Gentes Kevin (CAN)2266Burstow John (CAN)22801-028 ≣D85Tournament \
325Cubero Ferreiro R...2126Iglesias Iglesias...1-039 ≣D85It (open)
26Koppe FredHentzgen K0-131 ≣D85corr.