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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
312Adnan Alrais (UAE)2132Abdullah Mansoor ...22901-038 ≣D85It (open)
54JacekAdamec Antonin (CZE)22061-032 ≣D85corr.
191Insabato Giovanba...2130Agostini Valerio0-115 ≣D85?
316ChremosAgouras Ioannis0-129 ≣D85It (open)
564Otero Diasmany (CUB)2417Aguero Luis Lazar...24031-028 ≣D85Memorial Rene Bas...07 Sep 2010
196Vargas JAAguiar Justo (CUB)20870-133 ≣D85Ch Andalucia (team)
387Vega Viejo Marcel...2193Ahmed Garcia Omar...19671-030 ≣D85Ch Asturias
488Rogozenko Dorian ...2519Akesson Ralf (SWE)24681-026 ≣D85It (cat.8)20 Nov 2007
462Adler Bo (SWE)2185Akesson Ralf (SWE)24670-133 ≣D85Cup Rilton30 Dec 2006
306Barkhagen Jonas (...2442Akesson Ralf (SWE)25350-134 ≣D85Cup Rilton
319Morais Vitor (POR)2167Akesson Ralf (SWE)24860-123 ≣D85It (open)
198Budraitis Audrius...2262Akoral S0-128 ≣D85Ch Sweden (open)
129Amir Karim (PAK)2234Al-Ashhab Saamer ...22601-030 ≣D85Ch Asia (juniors)...
331Rodriguez Fernand...2212Albert Ch1-028 ≣D85Ch Tarragona
101Garcia Wilfredo (...2050Alonso Rene (CUB)23600-138 ≣D85?
578Matsuura Everaldo...2485Alves Sidney Davi...15341-036 ≣D85Tournament (open)30 Jun 2011
530Dong Bao Nghia (VIE)2109Amru Muhd Tariq (...20201-027 ≣D85Ch ASEAN (juniors...11 Jun 2009
533Lekic Dusan (MNE)2394Anagnostopoulos K...1-040 ≣D85It (open)13 Jul 2009
509Holst Conny (SWE)2161Andersen Daniel (...19401-038 ≣D85It (open) \22 Jul 2008
456Ottosen Peder (DEN)2039Andersen Daniel (...19331-032D85Tournament (open) \
297Lie Lasse (NOR)Andersen Viggo (NOR)16001-029 ≣D85Ch Norway (qual)
513Cardili Mariano (...2123Angelini Marco (ITA)20340-135 ≣D85It (open)23 Aug 2008
486Stoyko Maksym (ITA)2131Angelini Marco (ITA)20090-124 ≣D85Ch Italy (team) (...01 Nov 2007
38Popov Nikolay (MDA)2405Anikaev Yuri N (RUS)24330-125 ≣D85Ch URS (qual)
324Rincon SantiagoAparicio J Carlos0-128 ≣A16Ch Spain \
214Kovacs Attila (HUN)2365Apro Adrian (HUN)21830-127 ≣D85It \
355Bayram Yakup (TUR)2308Arman Deniz (TUR)21511-027 ≣D85Ch Europe
240Berrotaran Esteba...2199Arrieta Hector (ARG)21050-134 ≣D85Tournament (team)
102Miralles Gilles (...2470Atanasijadis Anti...22801-039 ≣D85It
377Rodic Donjan (SUI)2086Ates Erdem (TUR)21230-127 ≣D85Ch Europe (junior...
252De Rover Yong Hoo...2264Aubel Jochem (NED)22430-135 ≣D85Ch Netherlands (j...
28Lindh BengtAverby Rune0-138 ≣D85corr.
359Gustafsson Jan (GER)2566Bachmann Andreas ...22431-032 ≣D85It (open)
243Werner MariaBachmann Andreas ...22650-126 ≣D85Oberliga Northeas...
299Meyer Malte (GER)2315Baer Alexander1-030 ≣D85Ch Germany (junio...
381Kristensen Bjarke...2401Bae Torstein (NOR)22771-030 ≣D85Ch Norway
584Mindlin Alon (ISR)2146Bagi Mate (HUN)23430-139 ≣D85Ch Europe (junior...12 Sep 2011
238Lueckerath Kristi...Bakalarz Grazyna ...20080-131 ≣D85Ch Germany (w) (o...
385Sadeghi Hassan (SUI)2168Ballmann Martin (...24240-131 ≣D85It (open)
249Latzke Boris Alex...2257Balzer Tilo (GER)1-038 ≣D85It (open) \
374Hellwig Thomas (GER)2046Barskij Aleksandr...20091-034 ≣D85It (open)
145PinusBasok1-036 ≣D85corr.
73Balthasar ABauer Werner (GER)19720-128 ≣D85corr.
167Schebler Gerhard ...2449Bednorz Andreas1-031 ≣D85It (open) \
151Peschel Andreas (...2168Bednorz Andreas0-127 ≣D85It (open) \
425Sparreboom Willem...2028Beeke Bobby (NED)21670-136 ≣D85It (open)09 Aug 2005
30Shirazi Kamran (FRA)2285Behroozi Ev0-134 ≣D85Ch Iran
430Floor Dick (NED)2222Beisser Jacob (GER)20661-036 ≣D85It (open)06 Oct 2005
264Jepsen Thomas (DEN)2117Belov Vladimir (RUS)22600-126 ≣D85It (open)
2Rebizzo Cayetano ...2265Benko Francisco (...20361-037 ≣D85Ch Argentina
29Pytel Krzysztof (...2405Bennett Gerald H ...23201-031 ≣D85It
190Emodi Barnabas (HUN)2359Berebora Ferenc (...24070-140 ≣D85Memorial Erkel
482Ledakov Alexandr ...1902Bidkov Anton (UKR)21470-130 ≣D85Ch Ukraine (junio...10 Oct 2007
523Chaves Jorge Anto...2102Bil Angelo (BRA)21970-132 ≣D85Tournament (open)07 Mar 2009
230Lytchak Alexander...2429Bildat Juergen (GER)20981-028D85It (open) \
598Nedic Dusan (GER)2296Bildat Juergen (GER)20901-034A16It (open)08 Jul 2012
138Scaletti LBiondi Maurizio1-040 ≣D85corr.
410Khanov Vjacheslav...2216Biriukov Ilja (RUS)22561-028 ≣D85Cup of \25 Nov 2004
88Knaak Rainer (GER)2530Blees Albert (NED)23911-031 ≣D85It
74Baumann WalterBlosze Winfried (...19141-039 ≣D85corr.
65Priems PieterBoekelman J1-025 ≣D85corr.
1Bronstein David I...2432Boleslavsky Isaac...25601-032 ≣D85
518Rosales Daniel (COL)2033Bolivar Jeyson (COL)20921-039 ≣D85It (open) (b)28 Dec 2008
449Rau Hannes (GER)2422Borik Juraj (SVK)21981-036 ≣D85It (open)21 Jul 2006
357Urbankova Eva (CZE)2191Borkovec Milan (CZE)22111-022 ≣D85Czech League 2002...
323Roussel-Roozmon T...2476Boros Denes (HUN)20540-138 ≣D85Ch World (juniors...
390Rau Hannes (GER)2384Braun Arik (GER)24800-139 ≣D85Ch Germany (junio...
141Kiselev Sergey (RUS)2445Brdicko Petr (CZE)22550-134 ≣D85It (open) \
563Dubessay Bastien ...2336Briet Antoine (FRA)22281-025 ≣D85Ch France (access...
500Heinis Vincent (FRA)2168Brih Said (FRA)22430-131 ≣D85Ch France (team) ...15 Mar 2008
483Favoni Matteo (ITA)1881Brioschi Camillo ...19431-030 ≣D85Tournament (open)...14 Oct 2007
339Weteringh HansBroersen Sjors (NED)21010-140 ≣D85It (open)
144Pribyl Martin (CZE)2343Bucek Jiri (CZE)1-038 ≣D85It \
87Bus Mariusz (POL)2372Bugajski Robert (...22011-029 ≣D85Ch Poland (team)
271Nguyen T Thu HuongBui Nhu My (VIE)0-118 ≣D85Ch Vietnam (team)...
531Desmas William (FRA)1669Bulgakov Pavel (RUS)18010-128D85Ch World (for the...21 Jun 2009
415Blazek Jiri (CZE)2207Burdik Lubomir (CZE)21841-032 ≣D85Czech League 2004...06 Feb 2005
376Pacher Milan (SVK)2063Bures Vit (CZE)21921-036 ≣D85It (open) \
223Gentes Kevin (CAN)2266Burstow John (CAN)22800-135 ≣D85Memorial Kent Oli...
200Gentes Kevin (CAN)2266Burstow John (CAN)22801-028 ≣D85Tournament \
140Polzin Rainer (GER)2469Byers1-026 ≣D85It (open)
360Kourkounakis Ilia...2375Byklum Bjornar (NOR)22141-026 ≣D85It (b)
303Palacios Perez Ma...2129Calleja Ruiz Alfonso1-029 ≣D85Ch Spain
412Stewart Kenneth (...2115Campbell Eoin (SCO)19181-032 ≣D85Ch Scotland (open)
81Schoen Wolfram (GER)2403Candea Gheorghe (...21391-029 ≣D85?
103Rubio Purrinos Hu...2235Canela Teresa (ESP)21450-127 ≣D85It (open)
137Oppici Gabriele (...1964Caprifichi1-028 ≣D85corr.
409Gilles Francois (...1728Caron Antoine (FRA)14501-036 ≣D85It (open)10 Oct 2004
378Gutierrez Oscar (...2093Carvajal Jonathan...21251-034 ≣D85Ch Costa Rica
95Pons Morro Pedro ...2148Casares F1-033 ≣D85Ch Spain (team)
417Wu Li (ENG)2287Chakanyuka Charle...21231-026 ≣D85It (open)26 Mar 2005
440Lee Andy C (USA)2259Chapa Eric (USA)21831-026 ≣D85It (open)19 Feb 2006
31Erozbek Akdogan2200Cherem I22000-129 ≣D85Olympiad
383Harstad Christian...2109Chigladze Iveri (...23440-135 ≣D85It (open) \
136Umezinwa George (...2242Chow Albert (USA)22061-025 ≣D85Tournament
217Lewandowicz PChowaniec W0-132D85corr.
263Mont-Reynaud Jord...2140Chudnovsky Jacob ...23351-040 ≣D85Ch USA (juniors) ...
298Ulms Sandra (GER)2127Claus Caroline (GER)21541-039 ≣D85Ch DDMM (w)
179Lueckerath Kristi...Claus Caroline (GER)20750-131 ≣D85Ch Germany (w) (o...
163Delgado Cespedes ...2270Colias Billy (USA)22900-132 ≣D85It (open)