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Sicilian, Dragon, Classical, 9.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. 0-0 0-0 9. Nb3

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
93Schlaeger Uwe (GER)2193Mueller Michael (...22911-030 ≣B70Ch OWL
92Kreie Guenther (GER)1939Mueller Michael (...22911-021 ≣B70Ch OWL
130Ruefenacht Matthi...2370Kamber Bruno (SUI)22921-031 ≣B23?
703Contreras Henry (...2202Sanchez Victor (COL)22931-026 ≣B33Ch Pan-American C...18 Nov 2010
610Brodowski Piotr (...2401Warszawski Bartos...22931-026 ≣B23Memorial M.Najdor...10 Aug 2008
141Epding Olaf (GER)2228Hubert Ralf (GER)22930-127 ≣B70It (open) \
287Mukhortova Elena ...2101Fatalibekova Elen...22951-033 ≣B32Ch Moscow (w)
212Gurevich Vladimir...2420Kostiukov Alexand...22951-029 ≣B32Ch Ukraine (team)
133Weber Peter (GER)2238Stoeber Michael (...22961-027 ≣B70It (open)30 May 1987
526Chaitanya V (IND)1930Ramakrishna J (IND)22970-128 ≣B54It (open)01 Mar 2006
409Melero Morales Ja...2067Bajo Gutierrez Ig...22990-133B53Ch Asturias
220Marley Justin C (...2035Sakhatova Elvira ...23000-133 ≣B27It (open)
481Erdos Janos (HUN)2118Kovacs Zsolt (HUN)23020-129 ≣B27Ch Hungary (team)...19 Jan 2003
428Zapata Juan Carlo...2114Carvajal Nolberto...23020-127 ≣B32Ch Colombia
70Puc Stojan (SLO)2255Damjanovic Mato (...23031-026 ≣B30It
189Rowland Todd W (USA)2308Olesen Martin (DEN)23040-119 ≣B53It (open)
217Luecke Norbert (GER)2353Schlick Volker (GER)23040-129 ≣B33Bundesliga 1993/94
468Sarmiento Afonso ...2261Mendoza Lucas (ESP)23041-013 ≣B70It (open)
310Koskela Niina (FIN)2205Nilssen John Arni...23050-124 ≣B30It (open) \
105Alexander Joe MattFindlay Ian T (CAN)23050-127 ≣B70It (open)
384Sprenger Wendelin...2181Wippermann Till (...23060-119 ≣B70It (open)
728Roos Jean-Luc (FRA)2207Keschitz Gyorgy (...23070-123 ≣B32It \24 Aug 2011
160Bartak Vladimir (...2295Jirovsky Milos (CZE)23100-129 ≣B70Ch Czech Chess Union
346Arbanas Josip (CRO)2196Jovanovic Zoran (...23100-122 ≣B54It (open)
371Torrado Quintela ...2092Navarro Cia Migue...23120-128 ≣B23Ch Spain (juniors...
710Mauquoi Rudi (LUX)2024Videnova Iva (BUL)23140-131 ≣B70It (open)28 Feb 2011
651Seidel Michael (GER)2068Afek Yochanan (ISR)23140-121 ≣B32It (open) \06 Sep 2009
84Ornstein Axel (SWE)2425Heim Sverre (NOR)23151-032 ≣B70It (open) \
385Von Dessauer Dani...2095Franca Ricardo (BRA)23160-128 ≣B70Ch Pan-American (...
467Thipsay Praveen M...2464Abu Sufian Shakil...23171-024 ≣B70Ch Asia
159Hernandez Amaury ...2136Nedilsky Diego (ARG)23181-033 ≣B32Ch World (juniors)
765Daianu Cristian C...2288Posedaru Bogdan (...23180-131 ≣B32Ch Romania (team)...13 Oct 2012
662Erdei Andras (HUN)2159Szalanczy Emil (HUN)23180-133 ≣B70It (cat.2)05 Dec 2009
504Somasundram Jayak...1977Wukits Rene (AUT)23210-119 ≣B70Ch Chess Club16 Apr 2005
168Mueller Boge MSchmitz Joachim (...23210-127 ≣B32Oberliga NRW 1991/92
644Forgas Moreno Yan...2113Quezada Liordis (...23220-129 ≣B32It (open)16 May 2009
275Dembo Yelena (GRE)2090Levushkina E (GER)23241-024 ≣B32Ch World (juniors...
65Rasmussen Poul (DEN)Lobigas Julian (PHI)23250-132 ≣B33It
107Tassi Oliviero (ITA)2299Passerotti Pierlu...23251-014 ≣B32It \
268Crespo Raimundo F...2191Mullor Gomez Luis...23250-115 ≣B32Ch Aragon (team)
244Sklavounos Panayo...1992Shahtahtinsky Ale...23300-130 ≣B27It (open)
341Thipsay Praveen M...2450Beaumont Chris (ENG)23301-021 ≣B32Ch Great Britain
273Szurovszky Elek (...2124Borsos Bogdan (UKR)23300-130 ≣B33It (open) \
570Navarro Stefano (...2258Dvirnyy Daniyyl (...23331-027 ≣B70Ch Italy (juniors...20 Jul 2007
692Castella Fausto (...2334Castella Fausto (...23341-020 ≣B32It (open)11 Aug 2010
402Blohm David (USA)2176Martinez Marcel (...23340-119 ≣B54It (open)
733Tomulic Vesna (CRO)1926Plenca Julijan (CRO)23340-133 ≣B70Memorial Egidio P...26 Oct 2011
496Cubas Jose Fernan...2376Canda Danilo (NCA)23351-026 ≣B70Olympiad27 Oct 2004
588Thipsay Praveen M...2444Akshat Khamparia ...23371-033 ≣B70Ch India10 Feb 2008
550Perez Olarte C1960Marin Sebastian (...23390-129 ≣B70Sub-zt20 Dec 2006
205Escandon Federico...2145Vescovi Giovanni ...23400-129 ≣B70Ch Pan-American (...
58Mangini Jose ThiagoCamara Helder (BRA)23470-126 ≣B70Ch Brazil
388Seidel Michael (GER)2092Jirovsky Pavel (CZE)23480-131 ≣B70Landesliga North ...
115Salazar Adriana (...2100Nemet Ivan (SUI)23480-128 ≣B23Ch Switzerland
445Sierra Miguel (PER)2253Cruz Filemon (PER)23490-132 ≣B70Tournament (swiss)
181Shabanov Yuri (RUS)2410Frog Ilya (RUS)23501-032 ≣B06Memorial A.Alekhi...
726Filipov Nikola (SRB)1920Kiroski Toni (MKD)23510-127 ≣B33Ch Macedonia (team)13 Aug 2011
252Stanojevic Stanim...2107Amann Guenter (AUT)23530-131 ≣B70It (open)
413Gogochuri Levan (...2195Mamedov Rauf (AZE)23540-125 ≣B54It (open)
536Karell Leif K (USA)2035Rohonyan Katerina...23540-124 ≣B32It \25 Aug 2006
318Kedziora Claus (GER)2160Van Laatum Gozewi...23550-124 ≣B54VL Ruhrgebiet 199...
198Glek Igor V (GER)2535Robovic Saudin (BIH)23571-023 ≣B54It (open)
766Fiori Alberto Nic...2159Toth Christian En...23570-127 ≣B54Ch American Conti...14 Oct 2012
429Zozulia Anna (BEL)2330Kosintseva Tatian...23581-028 ≣B30Ch Europe (active...
96Kondali JovanNesis Gennadij (RUS)23600-133 ≣B70?
440Foetsch Daniel (GER)2276Stolz Mike (GER)23611-033 ≣B70Oberliga East A 2...
732Ciobanu Viorel Ad...2222Bogdan Dan (ROM)23670-133 ≣B32Ch Romania (team)...05 Oct 2011
118Lamoureux Charles...2352Ballmann Martin (...23690-128 ≣B53Ch World (juniors)
108Kiefer Gerhard (GER)2257Klauser Markus (SUI)23710-128 ≣B70Match \
717Alekseenko Kirill...2303Grigoryan Karen (...23751-028 ≣B70Memorial V.Somov ...07 May 2011
680Sumit Kumar Jha (...1950Girinath P D S (IND)23790-133 ≣B27Ch Commonwealth10 May 2010
617Bas Mas Jose Joaq...1937Alonso Moyano Jon...23790-131 ≣B53It (open)25 Aug 2008
629Guadalupe F2237Kiewra Keaton F (...23800-127 ≣B53It (cat.2)29 Nov 2008
441Radic Bojan (BIH)2160Gerzhoy Leonid (CAN)23800-116 ≣B33Ch World (juniors...
566Mayer Istvan (HUN)2093Szalanczy Emil (HUN)23840-125 ≣B70It (cat.2) (a)08 Jul 2007
307Alvarez Carlos (ARG)2041Roselli Mailhe Be...23850-122 ≣B33It (open) \
24Ragozin Viachesla...Taimanov Mark E (...23861-026 ≣B70Ch Leningrad
285Juzek Adrian (POL)2177Mickiewicz Piotr ...23861-027 ≣B70It (open) (b)
303Balvanyos Istvan ...2143Zambo Zoltan (HUN)23890-129 ≣B70It (open)
738Valle Efrain (COL)2176Rivera Alberto (CUB)23891-018 ≣B70It (open)11 Dec 2011
241Martin Juan Manue...2255Minzer Claudio Ja...23900-122 ≣B32It (open)
546Gantner Matthias ...2094Belezky Sasha (UKR)23901-024 ≣B70It (open)
618Schwarhofer Chris...2251Pilaj Herwig (AUT)23930-130 ≣B32It (open)
166Trejo Juan (ARG)2039Langier Daniel (ARG)23950-132 ≣B70It \
269Javier YndurainSan Emeterio Caba...23981-029B54Ch Asturias (team)
152Pastor Pons Pedro...2143Martin Gonzalez A...24000-130 ≣B70Ch Spain
480Biro Andras (HUN)2293Gonda Laszlo (HUN)24000-127 ≣B53It (open)08 Jan 2003
109Doncevic Dario (CRO)2340Fleck Juergen (GER)24010-130 ≣A04Bundesliga 1984/85
401Kooiman TobiRis Robert (NED)24030-121 ≣B70Ch Netherlands (j...
577Muslija Idris (CRO)2251Stojanovski Dejan...24050-125 ≣B32Ch Croatia (team)...26 Sep 2007
334Kotsur Pavel (KAZ)2515Sokolov Alexander...24050-122 ≣B70Cup Russia
417Savchenko Boris (...2321Anisimov Pavel (RUS)24050-133 ≣B50Ch Russia (junior...
64Dely Peter (HUN)2391Velimirovic Drago...24070-127 ≣B70It
327Thipsay Praveen M...2450Konguvel Ponnuswa...24101-029 ≣B70It (cat.10)
696Seidel Michael (GER)2058Fedorovsky Michae...24110-131 ≣B70It (open) \02 Sep 2010
356Kupreichik Viktor...2429Riemersma Liafber...24130-131 ≣B30Bundesliga (2nd) ...
589Rosen Willy (GER)2309Chernikov Oleg L ...24130-126 ≣B32Ch Europe (senior...18 Feb 2008
82KhanZiatdinov Raset (...24151-033 ≣B33Ch Uzbekistan
222Roehl Rainer (GER)2169Tilak Sharad S (IND)24151-030 ≣B70Olympiad
272Schlusnik Nandor ...2265Horvath Adam (HUN)24150-129 ≣B32It (a)