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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
690Navarro Tiago Cun...2155Stamenkovic Draga...24100-129 ≣B33Memorial Fernando...
525Vlietstra M2022Toth Andras (HUN)24100-131 ≣B54It (open)11 Apr 2007
370Milovanovic DraganKrush Irina (USA)24110-130 ≣B54Ch Amateur Team
123Katakis MAndrianov Nikolai...24120-119 ≣B54It (sheveningen)
516Galvan Llop Rober...2033Dominguez Aguilar...24120-130 ≣B23It (open)15 Feb 2007
408Rolfe Warrick (CAN)2090Nickoloff Bryon (...24130-127 ≣B54It (open)
638Simakov Andrey (RUS)2032Smirnov Alexey (RUS)24150-125 ≣B54It (open) \07 Nov 2009
174Krivec Jana (SLO)2290Madl Ildiko (HUN)24150-131 ≣B54Cup Croatia (w)
184Lengyel Bela (HUN)2425Feher Gyula (HUN)24150-132 ≣B33It \
121Simic Dragisa (SRB)2323Grosar Aljosa (SLO)24150-125 ≣B54It (open)
489Wiesinger Robert ...2235Butunoi Alexandru...24180-130 ≣B54It (open)27 Dec 2005
507Leukkunen Raimo (...1966Kiselev Gennady (...24190-128 ≣B54It (open)25 Aug 2006
712Guzzetti Luigi En...1962Martinez Rolly (PHI)24190-130 ≣B33It (open)29 Jul 2011
51Benes Petr (CZE)2166Mokry Karel (CZE)24200-128 ≣B32It (juniors) (und...
62Thinnsen James A ...2220Strauss David J (...24200-113 ≣B50It (open)
633Cvetanovic Uros (...2164Solomunovic Igor ...24210-127 ≣A00It (open)23 Aug 2009
398Ramos Cantos Juan...1895Fernando Diogo (POR)24230-122 ≣B54It (open)
75Pineault Denis (CAN)2270Ivanov Igor V (CAN)24240-125 ≣B54It
159Farago Sandor (HUN)2360Volzhin Alexander...24250-130 ≣B33It (cat.8)
464Smagalski Jarosla...1933Slaby Jerzy (POL)24280-130 ≣B54Ch Poland (team) ...08 Sep 2004
546Lechner Otto (GER)1946Rau Hannes (GER)24290-128 ≣B33It (open)02 Jan 2008
462Santiago Pereira ...1894Perez Luis Manuel...24300-131 ≣B54It (open)13 Aug 2004
318Galego Luis (POR)2427Limp Eduardo (BRA)24340-117 ≣B54Memorial V.Toth (...
537Bondar Leonid (USA)2066Danner Georg (AUT)24340-119 ≣B33Ch World (seniors)17 Sep 2007
69Oliveira Antonio ...2222Arlandi Ennio (ITA)24360-131 ≣B33Ch Europe (junior...
420Cordovil Joao (POR)2254Fernando Diogo (POR)24380-125 ≣B54Ch Portugal (team)
236Fernandes AlvaroCampos Moreno Jav...24400-115 ≣B33It
452Dobes Oldrich (CZE)2066Meins Gerlef (GER)24400-126 ≣B33It (open)15 May 2004
515Koller Jens (GER)2228Enders Peter (GER)24410-128 ≣B33Ch Germany19 Jan 2007
102Semeniuk Alexande...2417Ragozin Evgeni (RUS)24411-027 ≣B33Ch Armed Forces
111Schloetterer Herm...1947Barbero Gerardo F...24410-132 ≣B54It (open)
124Becker JueRagozin Evgeni (RUS)24410-117 ≣B33It (open) \
337Adensamer Gerhard...2047Seres Lajos (HUN)24440-128 ≣B33It (open)
95Molvig Henrik (DEN)2195Thorsteins Karl (...24450-131 ≣B33It (open)
15Kalkstein RodolfoGligoric Svetozar...24470-122 ≣B33It
12Aleman Dovo MiguelGligoric Svetozar...24470-131 ≣B33It
513Gabinsky Slavik1867Kuljasevic Davori...24480-132 ≣B33Ch Pan-American27 Dec 2006
493Lamoureux Izabell...2039Bosiocic Marin (CRO)24480-129 ≣B54Ch Mediterranean01 Feb 2006
183Bernat Ernest (ESP)2118Campos Moreno Jav...24500-128 ≣B33It (open)
417Unal Mustafa Kema...1836Bagaturov Giorgi ...24510-132 ≣B33It (open) \
581Gonzalez Lopez Ma...1856Guliev Logman (AZE)24520-119 ≣B33It (open)01 Sep 2008
613Padhya Saumil (IND)1845Bakre Tejas (IND)24530-131 ≣B54Cup Mayors (open)01 May 2009
501Angelov Angel (BUL)2224Rusev Krasimir (BUL)24531-031 ≣B53It (open)14 May 2006
281Bermudes Eduardo ...2190Zapata Alonso (COL)24540-128 ≣B54Cup Carnaval (open)
66Vogt Lothar (GER)2490Tischbierek Raj (...24541-032 ≣B33It
140Alfara J LAdla Diego (ARG)24550-130 ≣B54It (open)
99Morales Calvino M...1701Martin Del Campo ...24550-132 ≣B54It
607So Wesley (PHI)2646Nolte Rolando (PHI)24581-027 ≣B54It (cat.11) \26 Mar 2009
438Trotto Pierangelo...1904Efimov Igor (MNC)24590-120 ≣B54It
115Diaz Augusto (CUB)2248Izeta Txabarri Fe...24590-120 ≣B33It (open)
442Rasulov RashadMamedov Nidjat (AZE)24600-128 ≣B54Ch Azerbaijan (ju...26 Jan 2004
730Leresche Samuel (...1990Raetsky Alexander...24600-128 ≣B33It (open)26 Dec 2011
751Guerrero Andres (...2196Escobar Forero Al...24600-123 ≣B30It \25 Sep 2012
156Paul Reinhart (GER)2100Kiselev Sergey (RUS)24600-127 ≣B33It (open) \
524Adorno AnibalLemos Damian (ARG)24600-123 ≣B33It (open)
36Asplund LennartSigurjonsson Gudm...24631-029 ≣B33Ch World (juniors...
616Laarhoven Thijs (...2222Brandenburg Daan ...24630-126 ≣B33It (open)
451Pogonina Natalija...2385Krush Irina (USA)24640-120 ≣B54It (blitz) (w)02 May 2004
737Vogel Johannes (GER)2102Gschnitzer Oswald...24660-125 ≣B54It \17 Feb 2012
580Starkov S (RUS)2262Iskusnyh Sergei (...24670-129 ≣B33Tournament (open) \25 Aug 2008
612Pahomeev OYurtaev Leonid (KGZ)24690-131 ≣B33Ch Kyrgyzstan
538Ezkerro Hernandez...1686Rizouk Aimen (ALG)24700-123 ≣B54It (open)21 Sep 2007
380Dewenter Ulf (GER)2166Joachim Sven (GER)24710-124 ≣B33It (open)
699Shetye Shyam (IND)1850Aswin Jayaram (IND)24730-125 ≣B54It \28 May 2011
497Reubrez Christoph...1871Abergel Thal (FRA)24740-119 ≣B33Tournament \23 Mar 2006
222Hagsberg ReijoVeingold Aleksand...24750-129 ≣B33Tournament
194Zheliandinov Vikt...2350Galliamova Alisa ...24750-132 ≣B33It
227Zozulia Anna (BEL)2275Mukhametov Eldar ...24750-132 ≣B33It
426Faraoni Enrico (ITA)2162Tischbierek Raj (...24770-120 ≣B33It (open)
710Gorbatov Alexej (...2373Baryshpolets Andr...24770-131 ≣B33Ch Czech Republic...21 Jul 2011
188Garcia Padron Jos...2410Franco Ocampos Ze...24800-128 ≣B33Ch Spain (team)
272Burchert Wolfgang...2167Mainka Romuald (GER)24800-121 ≣B33VK1 1997/98
70Puls TGroszpeter Attila...24800-120 ≣B33It (open)
405Sebastianelli Dar...2239Efimov Igor (MNC)24801-031 ≣B23It (open)
425Postupa Pavel (CZE)2102Cvek Robert (CZE)24870-125 ≣B33It (open)
116Vilar Lopez Monic...2154Franco Ocampos Ze...24900-125 ≣B33It (open)
53Garcia S Alberto ...Vera Reynaldo (CUB)24920-123 ≣B54?
171Wegener Olaf (GER)2423Markgraf Alexande...24930-130 ≣B33Ch Germany (junio...
243Batic APavasovic Dusko (...24950-126 ≣B33It (open)
565Gosic Bogdan (SRB)2337Cabrilo Goran (SRB)25000-130 ≣B54Cup Serbia (team)16 Jun 2008
701Heymann-Lobzhanid...1998Abergel Thal (FRA)25020-127 ≣B54It (open)11 Jun 2011
502Podgursky Sten (MDA)2193Zinchenko Yarosla...25030-127 ≣B33It (cat.6)12 Jun 2006
445Valenti Giuseppe ...2269Mchedlishvili Mik...25040-129 ≣B54It (open)15 Feb 2004
391Veerman Jan (NED)1901De Vreugt Dennis ...25040-131 ≣B33It (open)
743Martic Slavko (CRO)2014Martinovic Sasa (...25040-131 ≣B33It (open)09 Jun 2012
73Westerinen Heikki...2390Hjartarson Johann...25050-130 ≣B50Zt
176Pena Miguel2020Damljanovic Brank...25050-123 ≣B33It (open)
459Ede AlbertTyomkin Dimitri (...25050-119 ≣B33It (open)13 Jul 2004
637Pieri P1859Shishkin Vadim (UKR)25070-132 ≣B33It \25 Oct 2009
642Ristic Slobodan B...2077Shishkin Vadim (UKR)25070-117 ≣B33It (open) \24 Nov 2009
455Macharacek Simon ...2209Gutman Gennadi (UKR)25080-132 ≣B54It (open) \
182Mottas Christian ...2143Sher Miron N (USA)25100-128 ≣B53It (open)
333Andreeva Mariya (...2059Nikolaidis Ioanni...25120-123 ≣B33It (open)
324Aftsoglou Ioannis...2203Nikolaidis Ioanni...25120-119 ≣A04Ch Greece
270Marteau Yann (FRA)2157Kosten Anthony C ...25150-123 ≣B33It (open)
108Efimov Igor (MNC)2400Yermolinsky Alex ...25150-129 ≣B54It (open)
310La Rocca MarkIvanov Alexander ...25150-129 ≣B54It (open)
372Papaioannou Hrist...2045Krakops Maris (LAT)25180-131 ≣B33It (open)
178Rottenborn Evzen ...Cvek Robert (CZE)25180-126 ≣B33Ch Czech Republic...
113Conquest Stuart (...2460Kotronias Vasilio...25201-024 ≣B54It (open)