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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
312Felber Joseph J (...2094Buscemi Edward0-128 ≣B33Ch State New York
489Wiesinger Robert ...2235Butunoi Alexandru...24180-130 ≣B54It (open)27 Dec 2005
150Ortiz Aleman Jose...2185Cabello S0-129B33Ch Spain (team)
565Gosic Bogdan (SRB)2337Cabrilo Goran (SRB)25000-130 ≣B54Cup Serbia (team)16 Jun 2008
377Lancianese Giusep...1723Campanini Ambrogio1-028 ≣B33Ch Provinciale CO23 Feb 2001
215Prat ACampos Jose Felix...22600-121 ≣B33It (open)
236Fernandes AlvaroCampos Moreno Jav...24400-115 ≣B33It
183Bernat Ernest (ESP)2118Campos Moreno Jav...24500-128 ≣B33It (open)
659Oliveira Maicon A...Campos Westerley ...1-017 ≣B54Tournament (open)20 Apr 2010
655Garcia-Galan Ruiz...Candamil Neira Ga...19111-017 ≣B23It (open)27 Feb 2010
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
94Nagy Janos (HUN)2214Cardon Helmut (NED)23790-129 ≣B54It (open) \
254Morier BrunoCardoso Carlos Al...22070-129 ≣B33Tournament \13 Feb 1997
411Cascudo Pueyo Ign...2051Carracedo Rodrigu...1-026B54It (open) \
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
568Sterba Karel (CZE)1855Cekan Petr (CZE)19391-031 ≣B54It (open)
353Rizouk Aimen (ALG)2464Chahrani Ibrahim ...23121-031 ≣B33Ch Africa
735El Ters Antouan2226Chamlian Aram17551-026 ≣B30It (open)09 Feb 2012
382Pieris T D R (SRI)2128Chan Peng-Kong (SIN)23620-129 ≣B33Olympiad
155Cheron Stephane (...1952Charlot R16700-124 ≣B54It (open) \
620Solomonova Lidiya...Charochkina Daria...22890-122 ≣B33Ch Russia (w)07 Jun 2009
286Cubas Jose Fernan...2206Chemin Vitorio (BRA)22800-127 ≣B33It (cat.3)
325Leite Eduardo S (...2210Chemin Vitorio (BRA)23090-118 ≣B33Ch Brazil
578Kyas Philipp (GER)1889Chmielewski Jakub...17481-030 ≣B54Ch European Union...08 Aug 2008
660Zochowski Kacper ...1903Chmielewski Jakub...17511-023 ≣B54Ch Poland (junior...04 May 2010
494Breslavska Galina...2176Choba Yulia (UKR)18311-026 ≣B30Ch Ukraine (junio...10 Feb 2006
396Reinoso S (PER)Choque J (PER)0-129 ≣B54Tournament (swiss)
488Bruckner Paul1530Churt Kerstin Dr17870-118 ≣B32Ch Mittelfranken ...04 Dec 2005
390Pratibha Y (IND)2194Churun Polina (BLR)21431-029 ≣B33Ch World (juniors...
518Malec Sebastian (...1779Cichy Kamil (POL)17730-129 ≣B54Ch Poland (junior...05 Mar 2007
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
555Renkowski Piotr (...1663Cichy Kamil (POL)18281-032 ≣B53Ch Poland (junior...16 Mar 2008
740Contreras Miguel ...2088Cifuentes J21140-125 ≣B54It \08 Apr 2012
97Wilfling Hermann ...2147Cigan Stefan (SLO)23430-120 ≣B54It
107Paizis Adamantia ...2090Clarke Thomas (IRL)22151-021 ≣B54Olympiad
343Rosa Danilo Epita...2085Coelho Luis (BRA)21641-025 ≣B33It (open)
274Fuertes Garay Jav...2097Colas Longares Ra...23100-126 ≣B33It (open)
379Diaz Sanchez Jose...2062Colas Longares Ra...23390-132 ≣B33Ch Spain (open)
617Gubela Hans-Erich...1721Collmer Dominik (...17850-132 ≣B33Ch Germany (junio...04 Jun 2009
219Mogranzini Robert...2439Computer \1-022 ≣B54Match
733Silva Alexandre F...1840Correia Vitor Paie15041-023 ≣B33Tournament (open)28 Jan 2012
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
257Paulino Jose (POR)2039Costa Paulo (POR)21440-131 ≣B54Ch Portugal (qual)
328Lopez Yurima (CUB)2093Cruz Katia1-030 ≣B33Ch Cuba (juniors)...
193Havasi Tamas (HUN)2158Csaba Arpad Jr (HUN)21390-126 ≣B33Ch Hungary (team)
463Thallinger BernhardCsiba Dominik (SVK)23570-127 ≣B33Ch European Union...25 Aug 2004
425Postupa Pavel (CZE)2102Cvek Robert (CZE)24870-125 ≣B33It (open)
178Rottenborn Evzen ...Cvek Robert (CZE)25180-126 ≣B33Ch Czech Republic...
100Miranda Ponce Alv...2234D'Adamo Ettore0-125 ≣B54corr.
258Mohd Hussein JamilDadashzadeh K (IRI)21280-127 ≣B33Ch Asian Cities (...
59Bozic AleksandarDamljanovic Brank...26070-125 ≣B54It30 Jan 1980
176Pena Miguel2020Damljanovic Brank...25050-123 ≣B33It (open)
577Tran Thi Mong ThuDang Minh Phuong1-019 ≣B33Ch Vietnam (junio...06 Aug 2008
537Bondar Leonid (USA)2066Danner Georg (AUT)24340-119 ≣B33Ch World (seniors)17 Sep 2007
284To Quoc Khanh (VIE)2271Dao Thien Hai (VIE)25430-129 ≣B33Ch Vietnam (junio...
118Ahrens Manuela (GER)2125Darchia Diana (GEO)23130-132 ≣B50Ch World (juniors)
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
403Weisz Pierre (FRA)2017De Castet Antoine...16091-022 ≣B32Ch Paris (open) (B)
297Sobol GustavoDella Morte Pablo...22200-120 ≣B54Ch Argentina (jun...
320Radoszta Armando ...2040Della Morte Pablo...22200-122 ≣B33It (open)
303Gomes Joao AMDel Rey Diego (ESP)23690-123 ≣B54It (open)
30Haag Ervin (HUN)2284Dely Peter (HUN)23910-132 ≣B54Ch Hungary
289Marteau Yann (FRA)2210Dens Cedric (FRA)20621-029 ≣B33Ch France (junior...
391Veerman Jan (NED)1901De Vreugt Dennis ...25040-131 ≣B33It (open)
705David Ivan1970Dias Theodore (FRA)17771-030 ≣A04It (open)19 Jun 2011
197Kraitner YlanDlugy Maxim (USA)25300-122 ≣B54It (open)
110Sosa Luis (PUR)2133Dlugy Maxim (USA)25250-130 ≣B54It (open)
745Piotrowski Przemy...Dmochowska Agnies...1-028 ≣B33It (open) \
317Marineau RemiDoire Daniel1-024 ≣B54Tournament \
516Galvan Llop Rober...2033Dominguez Aguilar...24120-130 ≣B23It (open)15 Feb 2007
610Glazkov Arseny (RUS)2086Donskov Anatoly (...21940-128 ≣B33Ch Russia (junior...15 Apr 2009
650Hansen Erle Andre...1727Doubleday William...20820-131 ≣B33It (open) \27 Jan 2010
240Teodoro Roderick ...2076Dougherty Michael...22650-132 ≣B33Tournament
206Todorovic Bojan (...2288Dragasevic-G Anto...22051-032 ≣B54Ch Yugoslavia (te...
695Blanco Montes PabloDraghici Gavril (...20760-127 ≣B33Tournament (open) \20 Apr 2011
715Rodriguez De Robl...1943Draghici Gavril (...20770-127 ≣B53It (open)24 Aug 2011
251Sosnowska Elzbiet...1918Dukaczewski Piotr...21800-126 ≣B33Ch City
609Yakimenko AnastasiaDvornikova Anna1-024 ≣B32Ch Russia (junior...
346Rydzik Karol (POL)2077Dziuba Marcin (POL)23920-126 ≣B54Ch Poland (team)
278Langrock Hannes (...2105Ebel Tobias1-013 ≣B33Ch North Germany ...
224Fuchs Georg (AUT)2274Eberhard Kurt (AUT)20401-029 ≣B33It (open)
165Wijnhoven Theo (NED)2047Eckert Frank (GER)22391-027 ≣B54It (open)
405Sebastianelli Dar...2239Efimov Igor (MNC)24801-031 ≣B23It (open)
438Trotto Pierangelo...1904Efimov Igor (MNC)24590-120 ≣B54It
418Sorokina Viktoria...2130Eidelson Rakhil (...22680-124 ≣B33It \
515Koller Jens (GER)2228Enders Peter (GER)24410-128 ≣B33Ch Germany19 Jan 2007
158Lugo Sanchez (SVK)Eordeogh S1-028 ≣B54It (open)
543Egorova Valentina...1991Epifantsev Igor (...21850-121 ≣B54Ch City (open)
220Muekke JFErhard Walter18201-029 ≣B54It (open)
751Guerrero Andres (...2196Escobar Forero Al...24600-123 ≣B30It \25 Sep 2012
533Py Walter (FRA)2108Estremera Panos S...24000-130 ≣B54It (open)
428Lecoq Julien (FRA)2075Estremera Panos S...23770-114 ≣B33It (open)
457Rivara Massimo (ITA)1887Estremera Panos S...23770-126 ≣B33It (open)04 Jul 2004
164Ewin Hans-Peter (...1946Euler Gerold (GER)0-127 ≣B54It (open)
296Girinath P D S (IND)2286Faisal Farooq1-022 ≣B32Ch Commonwealth
148Guerreiro RicardoFarinhas Joao1-027 ≣B21Ch Portugal (team)
430Barhudarian Rafae...2103Fedin Sergey (RUS)0-121 ≣B33Tournament (open)\
37Shabanov Yuri (RUS)2326Fedorov V (RUS)1-029 ≣B33Ch \
125Teodoro Eduardo (...2387Fedorowicz John P...25600-126 ≣B54It (open)