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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
405Sebastianelli Dar...2239Efimov Igor (MNC)24801-031 ≣B23It (open)
399Segura Ariza Jose...2215Mascaro March Ped...23230-120 ≣B54Ch Mallorca (team)
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
102Semeniuk Alexande...2417Ragozin Evgeni (RUS)24411-027 ≣B33Ch Armed Forces
186Seminara Juan Pab...2200Paglilla Carlos (...24000-130 ≣B54Match (team)
211Seminara Juan Pab...2275Mendez Ernesto (ARG)23950-132 ≣B33It \
684Senkyr Martin (CZE)2160Obsivac Josef (CZE)22780-124 ≣B30Czech League 2010...28 Nov 2010
368Sequeda Nancy (VEN)2065Pina Sulennis (SUL)23450-117 ≣B54Ch Continent (w)
207Sevo Igor (CRO)2256Biliskov Vjekosla...23350-127 ≣B54It (open)
512Shabanov Denis (BLR)2147Kryakvin Dmitry (...25210-131 ≣B54It (b)21 Dec 2006
37Shabanov Yuri (RUS)2326Fedorov V (RUS)1-029 ≣B33Ch \
381Sharp Dale Eugene...2072Soltis Andrew E (...24070-131 ≣B33It (open)
499Shenin Andrey (RUS)2237Zemlyanskiy Dmitr...22081-030 ≣B33Ch Russia (junior...
699Shetye Shyam (IND)1850Aswin Jayaram (IND)24730-125 ≣B54It \28 May 2011
563Shmat Anna (UKR)1820Pershina Ljudmila...18690-128 ≣B33Ukrainian Games (...19 May 2008
279Siekaniec Jan (POL)2160Bielczyk Jacek (POL)23700-132 ≣B33Ch Poland (team) ...
733Silva Alexandre F...1840Correia Vitor Paie15041-023 ≣B33Tournament (open)28 Jan 2012
486Silva Arajo Mario...1957Masich Vladimir (...20300-131 ≣B30Ch World (seniors)01 Oct 2005
61Silva Carlos Ales...Abarca Aguirre Ma...23471-030 ≣B54Ch Chile04 Oct 1980
259Silveirinha Jose ...2104Ko Ko Hlaing1-023 ≣B33Ch Asian Cities (...
638Simakov Andrey (RUS)2032Smirnov Alexey (RUS)24150-125 ≣B54It (open) \07 Nov 2009
121Simic Dragisa (SRB)2323Grosar Aljosa (SLO)24150-125 ≣B54It (open)
35Simms Gary (USA)2112Formanek Edward W...22030-118 ≣B33It (open)
732Simonik Adam1885Svoboda Matej19820-116 ≣B33Extra League 2011...21 Jan 2012
199Sintes Marc (FRA)2057Soalleiro Jean20301-031 ≣B23Tournament
713Skapikova Lubica ...1867Jasny Stanislav (...23660-128 ≣B33It (open)21 Aug 2011
169Skubicki MatthiasHolz Pascal1-023 ≣B54Ch Emscher-Lippe ...
706Skulkin Nikolay (...1814Suhachev Viktor (...19660-121 ≣B33Memorial Petrosia...25 Jun 2011
554Sliwicki Damian (...1738Miskiewicz Kamil ...17311-032 ≣B54Ch Poland (junior...15 Mar 2008
464Smagalski Jarosla...1933Slaby Jerzy (POL)24280-130 ≣B54Ch Poland (team) ...08 Sep 2004
52Smits MauriceAagaard Michael (...20441-015 ≣B54Ch Denmark (juniors)
559Sobierska Wiolett...1982Raszkiewicz Agnie...18261-020 ≣B33Ch Poland (junior...01 Apr 2008
297Sobol GustavoDella Morte Pablo...22200-120 ≣B54Ch Argentina (jun...
620Solomonova Lidiya...Charochkina Daria...22890-122 ≣B33Ch Russia (w)07 Jun 2009
720Somasundram Jayak...1959Paseka Christian ...17521-032 ≣B54Ch Vienna State (b)17 Sep 2011
418Sorokina Viktoria...2130Eidelson Rakhil (...22680-124 ≣B33It \
110Sosa Luis (PUR)2133Dlugy Maxim (USA)25250-130 ≣B54It (open)
251Sosnowska Elzbiet...1918Dukaczewski Piotr...21800-126 ≣B33Ch City
607So Wesley (PHI)2646Nolte Rolando (PHI)24581-027 ≣B54It (cat.11) \26 Mar 2009
3Stanchev ZahariBobotsov Milko G ...24051-029 ≣B33Ch Bulgaria
580Starkov S (RUS)2262Iskusnyh Sergei (...24670-129 ≣B33Tournament (open) \25 Aug 2008
711Stasius Vidmantas...1984Petraitis Gintaut...19460-124 ≣B54It (open)26 Jul 2011
246Stepanovic Branis...1995Stefan Oldrich (SVK)19721-024 ≣B54Ch Slovakia (team...
568Sterba Karel (CZE)1855Cekan Petr (CZE)19391-031 ≣B54It (open)
17Sterner OlafBoleslavsky Isaac...25600-122 ≣B33Match \
685Stojanovic Kosara...1914Maljevic Aleksa (...16730-120 ≣B33It (open)30 Nov 2010
651Stoyanov Stefan (...1839Rusev Krasimir (BUL)25240-131 ≣B53Memorial Tringov ...
364Stuczynski Andrze...2257Kulczyk Pawel (POL)20651-020 ≣B54Ch Poland (team) ...
668Sukhanova Yana (RUS)1791Tarleva Vira (UKR)21560-121 ≣B54It (open)23 Jun 2010
374Svagusa Boris (CRO)Biliskov Vjekosla...23350-121 ≣B54Cup Dalmatia (team)
522Svrtan Zlatko (CRO)2099Topel Zehra (TUR)22460-130 ≣B33It (open)25 Mar 2007
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
707Szukics Adam (HUN)1646Ugroczky Peter (HUN)16881-030 ≣B54Ch Hungary (junio...29 Jun 2011
189Tahkavuori Tapani...2066Fieandt John (FIN)21860-130 ≣B50Ch Finland (team)...
400Tan Kevin (NED)2222Van Eijk Sander (...23721-032 ≣B33Ch Netherlands (j...
742Tapera Uzeni1949Ponelis Albert A19861-023 ≣B33It (c)28 Apr 2012
544Tashimova Nadiya ...2094Pak Evgeniy (KAZ)21840-121 ≣B54It (open)17 Dec 2007
125Teodoro Eduardo (...2387Fedorowicz John P...25600-126 ≣B54It (open)
240Teodoro Roderick ...2076Dougherty Michael...22650-132 ≣B33Tournament
463Thallinger BernhardCsiba Dominik (SVK)23570-127 ≣B33Ch European Union...25 Aug 2004
62Thinnsen James A ...2220Strauss David J (...24200-113 ≣B50It (open)
481Tierling Detlef (...2045Issermann Ryhar (...23090-124 ≣B33Memorial Karl Mal...29 Jul 2005
104Tietjen Daniela (...2010Woitinski J0-115 ≣B54Ch Germany (junio...
504Titz Herbert (AUT)2066Kiss Attila (HUN)24000-128 ≣B33It (open)13 Jul 2006
523Tobolski Jakub (POL)2001Wcislo Damian (POL)21070-129 ≣B33Ch Poland (junior...27 Mar 2007
517Tobolski Jakub (POL)2001Cichy Kamil (POL)17731-028 ≣B54It (open)18 Feb 2007
206Todorovic Bojan (...2288Dragasevic-G Anto...22051-032 ≣B54Ch Yugoslavia (te...
664Toenniges Thomas ...2105Steingrimsson Hed...25500-129 ≣B54It \03 Jun 2010
284To Quoc Khanh (VIE)2271Dao Thien Hai (VIE)25430-129 ≣B33Ch Vietnam (junio...
302Torres Jose Artur...2215Fernando Diogo (POR)22210-123 ≣B54It
535Tran Quoc Dung (VIE)2241Quach Phuong Minh...1-028 ≣B50Ch Vietnam (team)29 Aug 2007
577Tran Thi Mong ThuDang Minh Phuong1-019 ≣B33Ch Vietnam (junio...06 Aug 2008
557Tran Tuan Minh (VIE)2261Phan Dinh Nhat Kh...19671-032 ≣B33Ch Vietnam
358Trescher Manfred ...2184Kaiser Dieter (GER)22630-119 ≣B33Bundesliga (2nd) ...
438Trotto Pierangelo...1904Efimov Igor (MNC)24590-120 ≣B54It
496Trujillo Delgado ...2206Schepetkova Marga...21651-028 ≣B54It (w)07 Mar 2006
55Tsekouras SteliosAlexopoulos Georg...22490-124 ≣B33Cup Spyros Bikos
191Tsipouris Elefthe...2016Hatzidakis Mihail0-126 ≣B54Ch Greece (junior...
134Turner Matthew (ENG)2250Moutousis Konstan...23901-028 ≣B54It (open)
331Turunen Markus (FIN)2086Nieminen Kari (FIN)22250-116 ≣B33Ch Finland (team)...
590Tylecek Drahomir ...2002Gil Karel (CZE)19591-023 ≣B33Czech League 2008...23 Nov 2008
417Unal Mustafa Kema...1836Bagaturov Giorgi ...24510-132 ≣B33It (open) \
71Upton Timothy J (...2181Van Der Wiel John...25350-129 ≣B53Olympiad
72Usachyi Mark (UKR)2196Tiagunov G1-030 ≣B33Ch World (1/2 fin...
635Vala Filip (CZE)2058Vecera Pavel (CZE)21880-130 ≣B54It (open)30 Sep 2009
445Valenti Giuseppe ...2269Mchedlishvili Mik...25040-129 ≣B54It (open)15 Feb 2004
618Van De Griend Joh...1922Beeke Bobby (NED)21890-124 ≣B54It (open)06 Jun 2009
345Van Den Berg Ad (...2202Mellegers Joost (...22520-119 ≣B33It (open)
629Van den Hoogen ArieVan Eijk Sander (...23380-121 ≣B33It (open)01 Aug 2009
112Vandivier DonNoren K0-122 ≣B33It (open)
551Vanek Petr (CZE)2184Polak Benedikt (CZE)20750-125 ≣B54Czech League 2007...03 Feb 2008
473Vanko Jiri (CZE)2151Gkogkas Dimitrios...21681-022 ≣B33It (open)26 Jan 2005
696Van Loenen DanielHaast Mark (NED)0-121 ≣B33It (open)22 Apr 2011
229Van Riemsdijk Vin...2201Tsuboi Edson Kenj...23450-125 ≣B54Ch Brazil (1/2 fi...
234Van Rijn Wouter (...2235Greenfeld Alon (ISR)25400-126 ≣B54It (open)
495Vargyas Zoltan (HUN)2160Havaskori Laszlo ...20291-030 ≣B54Tournament (Elo) (a)14 Feb 2006
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
9Vasconcellos Fern...Souza Mendes Joao0-132 ≣B54Zt
287Vavra Jan (CZE)2166Schula Michal (CZE)22420-128 ≣B54Czech League 1999...
689Vazquez Gonzalez ...2078Fernandez Lledo J...21711-032B54Ch Madrid (1/2 fi...28 Jan 2011