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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
213Renner Kai (GER)2187Zierke Oliver (GER)22401-027 ≣B33Bundesliga (2nd) ...
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
152Hersvik Daniel (NOR)2225Nagy Attila (SRB)22411-018 ≣B33Ch Europe (junior...
153Murphy Ronan (IRL)Nagy Attila (SRB)22411-023 ≣B33Ch Europe (junior...
68Willecke Dirk2225Brumm Carsten Dr ...22420-123 ≣B33Bundesliga (2nd) ...
598Kotz Reinhard (GER)2149Brumm Carsten Dr ...22420-128 ≣B33Landesliga Bayern...01 Mar 2009
287Vavra Jan (CZE)2166Schula Michal (CZE)22420-128 ≣B54Czech League 1999...
656Le Thanh Tai (VIE)1825Ton That Nhu Tung...22430-124 ≣B33Ch Vietnam26 Mar 2010
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
522Svrtan Zlatko (CRO)2099Topel Zehra (TUR)22460-130 ≣B33It (open)25 Mar 2007
510Lazovic Branko (SRB)1994Pavlovic Dragolju...22460-131 ≣B33Ch Belgrade (team...29 Sep 2006
44Grigoriou MiltiadisTrikaliotis Georg...22471-026 ≣B54Tournament
299Mas Artigas Pere ...2120Smirnov Sergei (RUS)22490-124 ≣B33Ch Europe (for th...
55Tsekouras SteliosAlexopoulos Georg...22490-124 ≣B33Cup Spyros Bikos
40Kaushilajte Vilge...Andreieva Olga A ...22501-031 ≣B30Ch \
731Pruess David (USA)2395Lobo Richard (ENG)22511-029 ≣B54It \07 Jan 2012
474Blecha Miroslav (...2148Seleljo Daniel (CZE)22510-128B33Czech League 2004...06 Feb 2005
467Prlac Vedran (CRO)2143Susak Zeljko (CRO)22510-120 ≣B33It (open)09 Oct 2004
198Bartos Alois (CZE)2077Adamek Zdenek (CZE)22521-032 ≣B54Ch Czech Chess Un...
449Alavi Sayed Javad...2293Abhay T (IND)22520-131 ≣B33Ch Asia (juniors)...04 Apr 2004
345Van Den Berg Ad (...2202Mellegers Joost (...22520-119 ≣B33It (open)
413Novak Michal (CZE)2163Zeleny Tomas (CZE)22531-025 ≣B54Czech League 2002...
597Polyansky Viktor ...2027Provkin Vladimir ...22540-125 ≣B54Ch City (open)18 Feb 2009
519Purgar Ivona (CRO)2023Petrovic Zvonko (...22541-031 ≣B33It (open)17 Mar 2007
600Gerhards Walter (...1974Stabolewski Andre...22560-127 ≣B33It (open)09 Mar 2009
683Oim Tonu (EST)Nevanlinna Risto ...22560-131 ≣B54Ch Finland (team)...21 Nov 2010
621Lima Luiz Alexand...2004Barreto Filho Car...22570-121 ≣B54Tournament (open)12 Jun 2009
285Espau Guillem Jos...1937Yepes Martinez Ed...22600-132 ≣B33Ch Catalunia (team)
215Prat ACampos Jose Felix...22600-121 ≣B33It (open)
658Vega Gutierrez Be...2233Menvielle Lacourr...22621-029 ≣B33Memorial Pedro Le...03 Apr 2010
367Cardoso Pedro Mad...2180Andrade Leonardo ...22630-129 ≣B54It (open) \
294Radvanyi Tibor (HUN)2133Magyar Andras (HUN)22630-122 ≣B33Ch Hungary (team)...
358Trescher Manfred ...2184Kaiser Dieter (GER)22630-119 ≣B33Bundesliga (2nd) ...
90Kwiecien Zbigniew...2139Rossmann Helmut (...22641-025 ≣B54It
230Ankhchimer Bayanm...2151Gara Anita (HUN)22650-124 ≣B54Ch World (juniors...
240Teodoro Roderick ...2076Dougherty Michael...22650-132 ≣B33Tournament
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
277Nagy Janos (HUN)2255Nagy Andras (HUN)22661-025 ≣B33It (cat.2)
418Sorokina Viktoria...2130Eidelson Rakhil (...22680-124 ≣B33It \
738Da Costa Jose Art...2034Araujo Felipe Fer...22690-120 ≣B50Tournament (open)20 Feb 2012
540Konijn Bart (NED)2239Begnis Nikolaos (...22710-132 ≣B33NRW-liga 2007/0804 Nov 2007
383Duarte Eduarda (ANG)1845Hund Barbara (SUI)22710-129 ≣B54Olympiad (w)
585Inoue Sho (JPN)2024Ali Laith (IRQ)22710-122 ≣B33World Mindsports ...13 Oct 2008
482Krstic Uros (CRO)2350Martin Stefan (GER)22731-030 ≣B33It (open)
529Hahn Gerard (NED)2004Van Eijk Sander (...22750-127 ≣B33It (open)27 May 2007
239Gonzalez RigobertoHuerta Ramon (CUB)22750-125 ≣B33Universiada
204Daude Puvill Anto...2202Gomez Jurado Luis...22750-119 ≣B33It (open)
422Pena Gomez Manuel...2223Moreno Tejera Emi...22750-130 ≣B53Ch Spain (juniors...
588Bigalke Tobias (GER)2101Stabolewski Andre...22770-127 ≣B33It (open)06 Nov 2008
684Senkyr Martin (CZE)2160Obsivac Josef (CZE)22780-124 ≣B30Czech League 2010...28 Nov 2010
26Lantsias AndreasPachman Ludek (GER)22780-126 ≣B33Olympiad
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
286Cubas Jose Fernan...2206Chemin Vitorio (BRA)22800-127 ≣B33It (cat.3)
43Cardoso Radolfo T...2330Mihaljcisin Mihaj...22800-132 ≣B33It
293Lesiege Alexandre...2553Berthelot Yannick...22811-024 ≣B30It (cat.8)
242Avram JohannSchmid Sandro (SUI)22830-126 ≣B33It (open)
235Romero Calderon C...2113Baron Rodriguez J...22830-131 ≣B54It (open)
218De La Fuente Maya...2212Baron Rodriguez J...22830-125 ≣B54It (open)
314Mladenovic Jelica...2019Tkeshelashvili So...22840-127 ≣B33Ch Europe (junior...
168Lindri Juni Wijay...2155Hernandez Yudania...22840-131 ≣B54Olympiad (w)
288Grzina BPuschmann Laszlo ...22850-129B33Ch European Union...
127Hedlund BThorhallsson Gylf...22850-129 ≣B33It (open)
151Katona ErzsebetBabic Momcilo (SRB)22850-131 ≣B33It (open) (juniors)
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
649Andrejevic Miladi...1929Indjic Dusan (SRB)22870-127 ≣B33Ch City (open)23 Jan 2010
385Montilla Carrillo...2296Hermesmann Hans (...22870-131 ≣B33It (open)
676Ruiz Font Elisabe...1902Lillo Castan Vict...22870-127 ≣B53It (open)14 Aug 2010
702Kilthau Peter (GER)1979Strugnell Carl (FRA)22880-119 ≣B54It (open)12 Jun 2011
620Solomonova Lidiya...Charochkina Daria...22890-122 ≣B33Ch Russia (w)07 Jun 2009
295Gunnarsson Arnar ...2199Ulfarsson Magnus ...22900-125 ≣B20Ch Iceland (team)...
196Daamen Ferry (NED)2200Mellegers Joost (...22900-122 ≣B33Ch Netherlands (t...
210Parkanyi Attila (...2380Nogrady Vilmos (HUN)22900-123 ≣B54Memorial Schneide...
369Otero Israel (MEX)2123Martin Del Campo ...22910-122 ≣B50Tournament
322Felegyhazi Laszlo...2300Racz Zoltan (HUN)22931-030 ≣B54Ch Hungary (team)...28 Feb 1999
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
589Benson Christophe...1927Nokes Roger I (NZL)22930-132 ≣B33It (open)09 Nov 2008
326Batali Gheorghe (...2063Sima Marian (ROM)22930-127 ≣B53Memorial V.Ciocal...
407Gabrielian Artur ...2474Shakenov Erzhan (...22940-132 ≣B54It (d)
665Markiewicz Czesla...1953Markiewicz Jerzy ...22950-125 ≣B54Cup Omega03 Jun 2010
212Amonatov Farrukh ...2110Ganesan Sankar (IND)22951-023 ≣B33Ch Asian Cities (...
661Brkic Ivica (CRO)2164Biliskov Vjekosla...22960-130 ≣B54It (open)09 May 2010
119Hinteregger Arthu...2188Sarosi Zoltan (HUN)22970-119 ≣B33It (open)
571Botheim Tor (NOR)1987Matthiesen Martin...22980-132 ≣B33It (open) \20 Jul 2008
338Gheng Josef (GER)2378Murariu Andrei (ROM)22990-131 ≣B33It (cat.2)
566Herbst Neto Eugen...1974Barreto Filho Car...23000-121 ≣B30Ch Paulista (final)29 Jun 2008
365Armougom GiannyBremond Eric (FRA)23000-116 ≣B33It (open)
584Bandeira Carlos F...1879Barreto Filho Car...23000-131 ≣B33Tournament (open)09 Oct 2008
300Petrovic GoranBrenke Andreas (GER)23010-125 ≣B54It (open)
553Karrer Damian (SUI)2108Lehmann Marco (SUI)23010-130 ≣B54It (open)23 Feb 2008
190Esswein NilsLindinger Markus ...23020-118 ≣B33Bundesliga (junio...
208Gmizic PeterNutu-Gajic Dana (...23050-130 ≣B53Tournament
749Kuzmin Egor (RUS)2134Bazeev German (RUS)23080-132 ≣B33Memorial M.Botvin...30 Aug 2012
325Leite Eduardo S (...2210Chemin Vitorio (BRA)23090-118 ≣B33Ch Brazil
481Tierling Detlef (...2045Issermann Ryhar (...23090-124 ≣B33Memorial Karl Mal...29 Jul 2005
232Schmeing WalterStillger Bernhard...23100-123 ≣B54Oberliga NRW 1996/97
274Fuertes Garay Jav...2097Colas Longares Ra...23100-126 ≣B33It (open)
63Rossmann Helmut (...2264Riha Vaclav (CZE)23101-029 ≣B33Match \
60Cunha Pereira SilvioMasculo Jose (BRA)23100-129 ≣B33Ch Brazil
353Rizouk Aimen (ALG)2464Chahrani Ibrahim ...23121-031 ≣B33Ch Africa
118Ahrens Manuela (GER)2125Darchia Diana (GEO)23130-132 ≣B50Ch World (juniors)