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Sicilian, Boleslavsky Variation, 7.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. 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
406Caldeira Adriano ...2377Milos Gilberto (BRA)25800-131 ≣B33Cup Itau (open)
238Camara ArturoSuarez Santiago (...21230-122 ≣B54It
241Campe Herbert (GER)1846Schneider Hennig ...21910-128 ≣B33It (open)
367Cardoso Pedro Mad...2180Andrade Leonardo ...22630-129 ≣B54It (open) \
43Cardoso Radolfo T...2330Mihaljcisin Mihaj...22800-132 ≣B33It
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
411Cascudo Pueyo Ign...2051Carracedo Rodrigu...1-026B54It (open) \
670Castano Duvan Mar...2311Mendoza Rafael (COL)23420-125 ≣B50Ch Colombia02 Jul 2010
748Cekanauskas Justa...1732Skripkiunas Benas1-028 ≣B33It (open)17 Aug 2012
315Cernousek Lukas (...2203Snajdr Jiri0-128B33Ch Czech Republic...
491Cetkovic Bozidar ...2215Klasan Vladimir (...22200-130 ≣B54It (open)28 Jan 2006
727Chakeeva AAlpysbayeva Aiger...19950-122 ≣B54It (open)04 Dec 2011
354Chalupecky Vladim...2095Stastny Jan (CZE)21861-030 ≣B54Czech League (V) ...
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
126Chehayeb SalahNoren K1-030 ≣B33It (open)
20Cherepkov Alexand...2395Vladimirov Boris ...23400-128 ≣B33Ch URS (1/2 final)
155Cheron Stephane (...1952Charlot R16700-124 ≣B54It (open) \
556Chomski Maciej (POL)1802Wisniowska Klaudi...19880-132B54It (open)25 Mar 2008
693Choremska Zuzanna...1461Tomczak Marta1-025B32Ch Poland (team) ...02 Apr 2011
596Christensen Esben...2034Jorgensen Kasper ...20030-128 ≣B33Tournament (open) \06 Jan 2009
221Cipa Michal (POL)2048Kasprzyk Tomasz (...20841-028 ≣B54Ch Poland (team) ...
228Collet MarkLeidorf M0-123 ≣B54It (open)
327Coman OvidiuFlorescu Petru (ROM)21990-122 ≣B54Ch Romania (junio...
113Conquest Stuart (...2460Kotronias Vasilio...25201-024 ≣B54It (open)
740Contreras Miguel ...2088Cifuentes J21140-125 ≣B54It \08 Apr 2012
402Cooke Eric (USA)2210Perez Luis Manuel...23890-122 ≣B33It (open)
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
640Correa Octavio De...Santa Santa Danie...1-030 ≣B33It (open)16 Nov 2009
686Corredor Fabian (...1984Ovalle Odilio1-026 ≣B33It (open)05 Dec 2010
461Crapulli Giuseppe...Van De Walle Rob0-126 ≣B54Ch NATO13 Aug 2004
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
263Csorbai Attila (HUN)2112Pataki Gyozo (HUN)22300-129 ≣B33Cup Tenkes (open)
286Cubas Jose Fernan...2206Chemin Vitorio (BRA)22800-127 ≣B33It (cat.3)
704Cucu Gheorghe (ROM)1823Senetia Teodor (ROM)22110-127 ≣B54Cup Gaudeamus (open)17 Jun 2011
60Cunha Pereira SilvioMasculo Jose (BRA)23100-129 ≣B33Ch Brazil
633Cvetanovic Uros (...2164Solomunovic Igor ...24210-127 ≣A00It (open)23 Aug 2009
196Daamen Ferry (NED)2200Mellegers Joost (...22900-122 ≣B33Ch Netherlands (t...
738Da Costa Jose Art...2034Araujo Felipe Fer...22690-120 ≣B50Tournament (open)20 Feb 2012
31Dahl KimmoSpassov Liuben (BUL)23670-128 ≣B33Olympiad (student...
669Da Silva Lucas De...1460Torsani Pires Mar...21130-120 ≣B54Memorial Walter M...02 Jul 2010
204Daude Puvill Anto...2202Gomez Jurado Luis...22750-119 ≣B33It (open)
528David Cosmin Luci...1968Nemes Silviu (ROM)21500-127 ≣B33Cup Felix (open)27 May 2007
705David Ivan1970Dias Theodore (FRA)17771-030 ≣A04It (open)19 Jun 2011
691Deac Bogdan-Daniel1651Malureanu Costin ...21380-131 ≣B33Ch Romania12 Feb 2011
129Deakne Baranyai A...Grabics Monika (HUN)23360-126 ≣B33Ch Hungary (team)...
218De La Fuente Maya...2212Baron Rodriguez J...22830-125 ≣B54It (open)
591Denisov Ivan (RUS)2189Kharitonov Igor (...21081-024 ≣B54Ch Region (final)23 Nov 2008
454Derbentseva Irina...2069Maslak Alexander ...22050-130 ≣B33It (open) \
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
359Derkos DArgiroudis Stamat...22050-130 ≣B33It (open)
604De Seroux Camille...1950Karasova Daria (RUS)16861-026 ≣B54Ch Europe (w)18 Mar 2009
562Deshmukh Anup (IND)2284Shailendra B23561-027 ≣B54Cup Mayors (open)16 May 2008
260Dettmann Steffen ...2169Gorodinski Michael0-124 ≣B33Bundesliga (junio...
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
380Dewenter Ulf (GER)2166Joachim Sven (GER)24710-124 ≣B33It (open)
115Diaz Augusto (CUB)2248Izeta Txabarri Fe...24590-120 ≣B33It (open)
237Diaz Milagros (VEN)2034Tapia Carmen1-025 ≣B33Ch Pan-American
379Diaz Sanchez Jose...2062Colas Longares Ra...23390-132 ≣B33Ch Spain (open)
452Dobes Oldrich (CZE)2066Meins Gerlef (GER)24400-126 ≣B33It (open)15 May 2004
569Donohue Tom (SCO)1906Schmerwitz Reinha...19441-025 ≣B54Ch Scotland11 Jul 2008
8Donovan JeremiahVollmar Rainer (GER)21301-024 ≣B33It (open)
744Drop Szymon (POL)1766Piotrowski Przemy...19330-129 ≣B54Ch Poland (team) ...
34Drozd Ryszard (POL)2249Partos Charles (SUI)23450-127 ≣B33?
383Duarte Eduarda (ANG)1845Hund Barbara (SUI)22710-129 ≣B54Olympiad (w)
348Duvekot WABeeke Bobby (NED)22230-120 ≣B33It (open)
459Ede AlbertTyomkin Dimitri (...25050-119 ≣B33It (open)13 Jul 2004
108Efimov Igor (MNC)2400Yermolinsky Alex ...25150-129 ≣B54It (open)
114Efimov Igor (MNC)2430Bjerke Richard (NOR)21351-020 ≣B54It (open)
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
735El Ters Antouan2226Chamlian Aram17551-026 ≣B30It (open)09 Feb 2012
276Enrique Veronica ...Prior Marciane (BRA)19010-123 ≣B33Ch Pan-American (...
344Enrique Veronica ...Lopez Natalia (ARG)1-032 ≣B54Ch Argentina (jun...
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
149Escandon Federico...2145Langier Daniel (ARG)23950-126 ≣B33Ch Pan-American (...
285Espau Guillem Jos...1937Yepes Martinez Ed...22600-132 ≣B33Ch Catalunia (team)
190Esswein NilsLindinger Markus ...23020-118 ≣B33Bundesliga (junio...
662Ewert Paul1519Kempe Markus13970-128 ≣B30Ch Germany (open)...25 May 2010
164Ewin Hans-Peter (...1946Euler Gerold (GER)0-127 ≣B54It (open)
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
159Farago Sandor (HUN)2360Volzhin Alexander...24250-130 ≣B33It (cat.8)
412Farago Sandor (HUN)2305Pg Mohd Omar Ak H...22171-027 ≣B33It (cat.1)
426Faraoni Enrico (ITA)2162Tischbierek Raj (...24770-120 ≣B33It (open)
264Fedorchuk Sergey ...2415Zakharov Vladimir...23901-027 ≣B23Ch Ukraine (junio...
312Felber Joseph J (...2094Buscemi Edward0-128 ≣B33Ch State New York
322Felegyhazi Laszlo...2300Racz Zoltan (HUN)22931-030 ≣B54Ch Hungary (team)...28 Feb 1999
236Fernandes AlvaroCampos Moreno Jav...24400-115 ≣B33It
663Fieberg Samuel (GER)1777Sieber Fiona (GER)16370-123 ≣B54Ch Germany (junio...28 May 2010
135Figuerola AOlmo JL1-024B54It (open)
378Firnigel Janos (HUN)2068Staflin Soren (SWE)20631-029 ≣B54Cup Alfoeld (open)18 Jun 2001
437Flanagan Keith GHeath Jeffrey (ENG)20190-126 ≣B54It (open)23 Oct 2003
50Free TerryHansen Aage (DEN)16401-027 ≣B30Ch World (for the...20 Sep 1978
120Fuchs Antje (GER)2124Geissler Grit (GER)20351-031 ≣B33Ch Germany (w) (o...
154Fuchs Antje (GER)2124Bielicki Birke (GER)21831-017 ≣B33Ch Baden (w)
224Fuchs Georg (AUT)2274Eberhard Kurt (AUT)20401-029 ≣B33It (open)
536Fuchs Georg (AUT)2181Pitl Gregory (GER)24030-127 ≣B30It \07 Sep 2007
274Fuertes Garay Jav...2097Colas Longares Ra...23100-126 ≣B33It (open)
677Gabaidulina Olga ...1895Baigildin Albert ...20850-131 ≣B33Cup Governor's (j...16 Aug 2010
513Gabinsky Slavik1867Kuljasevic Davori...24480-132 ≣B33Ch Pan-American27 Dec 2006
407Gabrielian Artur ...2474Shakenov Erzhan (...22940-132 ≣B54It (d)