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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
435Hock Gerold (GER)2085Issermann Ryhar (...23250-119 ≣B33Memorial Karl Mal...26 Jul 2003
167Nikolic Sava N R ...2114Grabics Monika (HUN)23250-129 ≣B33It (open)
67BoeredougaWhitehead Jay E (...23250-125 ≣B33Ch World (team) (...
76O'neill Y Dayneko...Acebal J Maria (ESP)23270-130 ≣B33Ch Asturias (pref...
592Karahmetovic Adna...2300Budimir Boris (BIH)23280-113 ≣B33It (cat.4)26 Nov 2008
16Pilnik Hermann (GER)Janosevic Dragolj...23301-031B33It
11Alexander Conel H...Janosevic Dragolj...23301-020 ≣B33It
627Le Kieu Thien Kim...2250Nguyen Thi Thanh ...23300-129 ≣B33Zt (w)28 Jul 2009
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
32Pregherman ShmuelPersitz Raaphi (SUI)23360-132 ≣B33It
129Deakne Baranyai A...Grabics Monika (HUN)23360-126 ≣B33Ch Hungary (team)...
629Van den Hoogen ArieVan Eijk Sander (...23380-121 ≣B33It (open)01 Aug 2009
379Diaz Sanchez Jose...2062Colas Longares Ra...23390-132 ≣B33Ch Spain (open)
20Cherepkov Alexand...2395Vladimirov Boris ...23400-128 ≣B33Ch URS (1/2 final)
34Drozd Ryszard (POL)2249Partos Charles (SUI)23450-127 ≣B33?
463Thallinger BernhardCsiba Dominik (SVK)23570-127 ≣B33Ch European Union...25 Aug 2004
626Gorshkov Leonid (...2108Vandevoort Pascal...23580-130 ≣B33It (open)27 Jul 2009
106Mounib A (MRC)Hakki Imad (SYR)23621-030 ≣B33Olympiad
382Pieris T D R (SRI)2128Chan Peng-Kong (SIN)23620-129 ≣B33Olympiad
166Gerstenhauer Dore...2106Schneider Lars-Ak...23641-024 ≣B33It (open) (active)
47Wahlbom Magnus (SWE)2288Schneider Lars-Ak...23640-127 ≣B33Ch Sweden
713Skapikova Lubica ...1867Jasny Stanislav (...23660-128 ≣B33It (open)21 Aug 2011
31Dahl KimmoSpassov Liuben (BUL)23670-128 ≣B33Olympiad (student...
279Siekaniec Jan (POL)2160Bielczyk Jacek (POL)23700-132 ≣B33Ch Poland (team) ...
33Mollekens JBlau Max (SUI)23700-125 ≣B33Olympiad
400Tan Kevin (NED)2222Van Eijk Sander (...23721-032 ≣B33Ch Netherlands (j...
58Leppala JussiTrepp Markus (SUI)23750-125 ≣B33Ch Denmark (juniors)
428Lecoq Julien (FRA)2075Estremera Panos S...23770-114 ≣B33It (open)
457Rivara Massimo (ITA)1887Estremera Panos S...23770-126 ≣B33It (open)04 Jul 2004
109Blasi FBjelica Dimitrije...23801-030 ≣B33It (open)
446Guyard Rodolphe (...2148Vandevoort Pascal...23850-123 ≣B33It (open)01 Mar 2004
74Pineault Denis (CAN)2270Hebert Jean (CAN)23850-125 ≣B33It
13Katragadda GTaimanov Mark E (...23860-128 ≣B33It
402Cooke Eric (USA)2210Perez Luis Manuel...23890-122 ≣B33It (open)
181Palacios EduardoAlvarez Jose_ (CUB)23901-025 ≣B33Ch Asturias (team...
431Kosov Ivan (RUS)2170Gusev Aleksey (RUS)23940-128 ≣B33Ch Russia (1/2 fi...
211Seminara Juan Pab...2275Mendez Ernesto (ARG)23950-132 ≣B33It \
149Escandon Federico...2145Langier Daniel (ARG)23950-126 ≣B33Ch Pan-American (...
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
504Titz Herbert (AUT)2066Kiss Attila (HUN)24000-128 ≣B33It (open)13 Jul 2006
162Klawonn MarkusBreier Andreas (GER)24000-132 ≣B33Ch JBLN East 1993/94
721Zivkovic Branimir...2204Simonovic Aleksan...24010-126 ≣B33Ch Central Serbia...20 Sep 2011
3Stanchev ZahariBobotsov Milko G ...24051-029 ≣B33Ch Bulgaria
500Karagollu Ahmet (...2005Zueger Beat (SUI)24070-129 ≣B33Ch Europe14 Apr 2006
381Sharp Dale Eugene...2072Soltis Andrew E (...24070-131 ≣B33It (open)
690Navarro Tiago Cun...2155Stamenkovic Draga...24100-129 ≣B33Memorial Fernando...
184Lengyel Bela (HUN)2425Feher Gyula (HUN)24150-132 ≣B33It \
712Guzzetti Luigi En...1962Martinez Rolly (PHI)24190-130 ≣B33It (open)29 Jul 2011
159Farago Sandor (HUN)2360Volzhin Alexander...24250-130 ≣B33It (cat.8)
546Lechner Otto (GER)1946Rau Hannes (GER)24290-128 ≣B33It (open)02 Jan 2008
537Bondar Leonid (USA)2066Danner Georg (AUT)24340-119 ≣B33Ch World (seniors)17 Sep 2007
69Oliveira Antonio ...2222Arlandi Ennio (ITA)24360-131 ≣B33Ch Europe (junior...
236Fernandes AlvaroCampos Moreno Jav...24400-115 ≣B33It
452Dobes Oldrich (CZE)2066Meins Gerlef (GER)24400-126 ≣B33It (open)15 May 2004
124Becker JueRagozin Evgeni (RUS)24410-117 ≣B33It (open) \
102Semeniuk Alexande...2417Ragozin Evgeni (RUS)24411-027 ≣B33Ch Armed Forces
515Koller Jens (GER)2228Enders Peter (GER)24410-128 ≣B33Ch Germany19 Jan 2007
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
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
66Vogt Lothar (GER)2490Tischbierek Raj (...24541-032 ≣B33It
115Diaz Augusto (CUB)2248Izeta Txabarri Fe...24590-120 ≣B33It (open)
730Leresche Samuel (...1990Raetsky Alexander...24600-128 ≣B33It (open)26 Dec 2011
156Paul Reinhart (GER)2100Kiselev Sergey (RUS)24600-127 ≣B33It (open) \
524Adorno AnibalLemos Damian (ARG)24600-123 ≣B33It (open)
616Laarhoven Thijs (...2222Brandenburg Daan ...24630-126 ≣B33It (open)
36Asplund LennartSigurjonsson Gudm...24631-029 ≣B33Ch World (juniors...
580Starkov S (RUS)2262Iskusnyh Sergei (...24670-129 ≣B33Tournament (open) \25 Aug 2008
612Pahomeev OYurtaev Leonid (KGZ)24690-131 ≣B33Ch Kyrgyzstan
380Dewenter Ulf (GER)2166Joachim Sven (GER)24710-124 ≣B33It (open)
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
272Burchert Wolfgang...2167Mainka Romuald (GER)24800-121 ≣B33VK1 1997/98
188Garcia Padron Jos...2410Franco Ocampos Ze...24800-128 ≣B33Ch Spain (team)
70Puls TGroszpeter Attila...24800-120 ≣B33It (open)
425Postupa Pavel (CZE)2102Cvek Robert (CZE)24870-125 ≣B33It (open)
116Vilar Lopez Monic...2154Franco Ocampos Ze...24900-125 ≣B33It (open)
171Wegener Olaf (GER)2423Markgraf Alexande...24930-130 ≣B33Ch Germany (junio...
243Batic APavasovic Dusko (...24950-126 ≣B33It (open)
502Podgursky Sten (MDA)2193Zinchenko Yarosla...25030-127 ≣B33It (cat.6)12 Jun 2006
743Martic Slavko (CRO)2014Martinovic Sasa (...25040-131 ≣B33It (open)09 Jun 2012
391Veerman Jan (NED)1901De Vreugt Dennis ...25040-131 ≣B33It (open)
176Pena Miguel2020Damljanovic Brank...25050-123 ≣B33It (open)
459Ede AlbertTyomkin Dimitri (...25050-119 ≣B33It (open)13 Jul 2004
642Ristic Slobodan B...2077Shishkin Vadim (UKR)25070-117 ≣B33It (open) \24 Nov 2009
637Pieri P1859Shishkin Vadim (UKR)25070-132 ≣B33It \25 Oct 2009
333Andreeva Mariya (...2059Nikolaidis Ioanni...25120-123 ≣B33It (open)
270Marteau Yann (FRA)2157Kosten Anthony C ...25150-123 ≣B33It (open)
372Papaioannou Hrist...2045Krakops Maris (LAT)25180-131 ≣B33It (open)
178Rottenborn Evzen ...Cvek Robert (CZE)25180-126 ≣B33Ch Czech Republic...