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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
544Tashimova Nadiya ...2094Pak Evgeniy (KAZ)21840-121 ≣B54It (open)17 Dec 2007
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
336Zorko Jure (SLO)2456Gomboc Miha (SLO)21850-129 ≣B54Ch Slovenia
354Chalupecky Vladim...2095Stastny Jan (CZE)21861-030 ≣B54Czech League (V) ...
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
635Vala Filip (CZE)2058Vecera Pavel (CZE)21880-130 ≣B54It (open)30 Sep 2009
618Van De Griend Joh...1922Beeke Bobby (NED)21890-124 ≣B54It (open)06 Jun 2009
397Lisanti Andre (GER)2284Armbrust Florian ...21931-025 ≣B54Ch SBRhH
117Zugaj Fjodor (SLO)2211Podvrsnik Marko (...21960-126 ≣B54Ch Slovenia
327Coman OvidiuFlorescu Petru (ROM)21990-122 ≣B54Ch Romania (junio...
484Marcek Jan (SVK)1997Biros Robert (SVK)22020-132 ≣B54It (open)10 Sep 2005
206Todorovic Bojan (...2288Dragasevic-G Anto...22051-032 ≣B54Ch Yugoslavia (te...
91Basanta Gary (CAN)2324Minaya Juan (COL)22071-028 ≣B54It (open)
574Rivalin Kenny (FRA)1977Hartereau Philipp...22080-128 ≣B54It (open)24 Jul 2008
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
704Cucu Gheorghe (ROM)1823Senetia Teodor (ROM)22110-127 ≣B54Cup Gaudeamus (open)17 Jun 2011
107Paizis Adamantia ...2090Clarke Thomas (IRL)22151-021 ≣B54Olympiad
530Nguyen Viet Chung...2164Ton That Nhu Tung...22160-131 ≣B54Ch Vietnam (junio...11 Jul 2007
136Ipavec Petra (SLO)2091Grosar Kiti (SLO)22190-120 ≣B54Tournament (junio...
297Sobol GustavoDella Morte Pablo...22200-120 ≣B54Ch Argentina (jun...
491Cetkovic Bozidar ...2215Klasan Vladimir (...22200-130 ≣B54It (open)28 Jan 2006
301Guimaraes Claudio...1963Fernando Diogo (POR)22210-126 ≣B54Ch City
594Vucko Maja (SLO)1963Grosar Kiti (SLO)22210-132 ≣B54Ch Slovenia (team...30 Nov 2008
302Torres Jose Artur...2215Fernando Diogo (POR)22210-123 ≣B54It
292Jazeschen UweSturm Bernhard (GER)22220-132 ≣B54Oberliga Southwes...
561Abhinaya SubhechiMehar Chinna Redd...22220-125 ≣B54Cup Mayors (open)11 May 2008
93Kourtesis Georgio...2191Skoularikis Fotio...22230-130 ≣B54It (open) \
132Nurul HHund Barbara (SUI)22260-129 ≣B54Olympiad
352Salazar Anibal (VEN)Borges Gabriel (VEN)22280-130 ≣B54Ch Venezuela
492Ivanov Cvetalin (...2104Mladenov Plamen (...22290-129 ≣B54Ch Bulgaria (juni...
415Haecker Alexander...2207Koch Moritz (GER)22311-025 ≣B54Ch Germany (junio...
305Gregorova Zuzana ...2151Gara Ticia (HUN)22330-127 ≣B54Ch Europe (junior...
335Al Sherkh Khade W...Batceceg Tuvshint...22370-128 ≣B54Olympiad (w)
165Wijnhoven Theo (NED)2047Eckert Frank (GER)22391-027 ≣B54It (open)
247Erwich Marc JL (NED)2422Vovsha Eli (ISR)22400-117 ≣B54Ch Europe (junior...
287Vavra Jan (CZE)2166Schula Michal (CZE)22420-128 ≣B54Czech League 1999...
309Deuber Roman (SUI)2049Georges Sacha (SUI)22450-125 ≣B54It (open)
44Grigoriou MiltiadisTrikaliotis Georg...22471-026 ≣B54Tournament
731Pruess David (USA)2395Lobo Richard (ENG)22511-029 ≣B54It \07 Jan 2012
198Bartos Alois (CZE)2077Adamek Zdenek (CZE)22521-032 ≣B54Ch Czech Chess Un...
413Novak Michal (CZE)2163Zeleny Tomas (CZE)22531-025 ≣B54Czech League 2002...
597Polyansky Viktor ...2027Provkin Vladimir ...22540-125 ≣B54Ch City (open)18 Feb 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
367Cardoso Pedro Mad...2180Andrade Leonardo ...22630-129 ≣B54It (open) \
90Kwiecien Zbigniew...2139Rossmann Helmut (...22641-025 ≣B54It
230Ankhchimer Bayanm...2151Gara Anita (HUN)22650-124 ≣B54Ch World (juniors...
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
383Duarte Eduarda (ANG)1845Hund Barbara (SUI)22710-129 ≣B54Olympiad (w)
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
235Romero Calderon C...2113Baron Rodriguez J...22830-131 ≣B54It (open)
218De La Fuente Maya...2212Baron Rodriguez J...22830-125 ≣B54It (open)
168Lindri Juni Wijay...2155Hernandez Yudania...22840-131 ≣B54Olympiad (w)
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
702Kilthau Peter (GER)1979Strugnell Carl (FRA)22880-119 ≣B54It (open)12 Jun 2011
210Parkanyi Attila (...2380Nogrady Vilmos (HUN)22900-123 ≣B54Memorial Schneide...
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
322Felegyhazi Laszlo...2300Racz Zoltan (HUN)22931-030 ≣B54Ch Hungary (team)...28 Feb 1999
407Gabrielian Artur ...2474Shakenov Erzhan (...22940-132 ≣B54It (d)
665Markiewicz Czesla...1953Markiewicz Jerzy ...22950-125 ≣B54Cup Omega03 Jun 2010
661Brkic Ivica (CRO)2164Biliskov Vjekosla...22960-130 ≣B54It (open)09 May 2010
553Karrer Damian (SUI)2108Lehmann Marco (SUI)23010-130 ≣B54It (open)23 Feb 2008
300Petrovic GoranBrenke Andreas (GER)23010-125 ≣B54It (open)
232Schmeing WalterStillger Bernhard...23100-123 ≣B54Oberliga NRW 1996/97
347Zarza Ronald (PAR)2061Alvarez Johan (VEN)23170-121 ≣B54Ch World (juniors...11 Aug 2000
709Poznanska Katarzy...2062Hoffmann Paul (GER)23171-026 ≣B54Memorial M.Najdor...14 Jul 2011
466Saastamoinen Aarn...2162Pulkkinen Kari (FIN)23190-132 ≣B54Ch Finland (team)...18 Sep 2004
399Segura Ariza Jose...2215Mascaro March Ped...23230-120 ≣B54Ch Mallorca (team)
80Oparaugo Thomas (...2109Kokkila Tero (FIN)23300-126 ≣B54Ch World (juniors...
615Guerrero Hernando...1985Vittorino Carlo (...23300-132 ≣B54Ch Colombia (1/2 ...
291Prause RobertLipinsky Fabian (...23310-121 ≣B54Bundesliga (junio...
340Zozulia Anna (BEL)2371Lutsko Igor (BLR)23341-032 ≣B54It (cat.4)
374Svagusa Boris (CRO)Biliskov Vjekosla...23350-121 ≣B54Cup Dalmatia (team)
207Sevo Igor (CRO)2256Biliskov Vjekosla...23350-127 ≣B54It (open)
469Abu Sufian Shakil...2317Palit Somak (IND)23400-132 ≣B54It (open)17 Nov 2004
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
97Wilfling Hermann ...2147Cigan Stefan (SLO)23430-120 ≣B54It
547Cruz Bartolome (COL)2036Vittorino Carlo (...23430-131 ≣B54It (open)11 Jan 2008
334Maduro Sherman (AHO)2230Ahmad Aziz (IRQ)23430-123 ≣B54Olympiad
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
368Sequeda Nancy (VEN)2065Pina Sulennis (SUL)23450-117 ≣B54Ch Continent (w)
283Rieder Josef (GER)2043Solomunovic Igor ...23450-127 ≣B54It (open)
666Carneiro Francisc...1968Barreto Filho Car...23460-128 ≣B54It (open)04 Jun 2010
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
88Graeffe Petri (FIN)2060Virtanen Antti (FIN)23480-127 ≣B54Ch Finland (juniors)
231Hadraba Vladimir ...2265Kovalevskaya Ekat...23500-131 ≣B54It (open)
414Macharacek Simon ...2209Firt Stanislav (CZE)23531-024 ≣B54Moravian League 2...
393Borekci GucluJobava Beglar (GEO)23530-124 ≣B54It (open) \
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
562Deshmukh Anup (IND)2284Shailendra B23561-027 ≣B54Cup Mayors (open)16 May 2008
147Levitan Yuliya (USA)2220Vulicevic Nenad (...23630-132 ≣B54Ch Manhattan Ches...
509Grbovic Veselin (...2271Todorovic Jovan (...23650-127 ≣B54Ch Montenegro (team)25 Sep 2006
303Gomes Joao AMDel Rey Diego (ESP)23690-123 ≣B54It (open)
573Sanz Sanz Clement...1790Aguera Naredo Jav...23740-132 ≣B54It (open)23 Jul 2008
506Wawrowski Zbignie...2215Filipenko Alexand...23761-031 ≣B54It (open) (a)19 Aug 2006
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
187Pangen CTate Emory (USA)23800-121 ≣B54It (open)
170Prada Rubin Ferna...2169Rivera Daniel (URU)23800-117 ≣B54It (open)
192Nones Ii Teodulfo...2281Gross David (CZE)23850-123 ≣B54Ch World (juniors...