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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
63Rossmann Helmut (...2264Riha Vaclav (CZE)23101-029 ≣B33Match \
178Rottenborn Evzen ...Cvek Robert (CZE)25180-126 ≣B33Ch Czech Republic...
195Ruiz Gutierrez Ma...2194Pariente Lopez Fr...21800-124 ≣B33Ch Malaga
468Salem Ali Maoloud...2228Zoltek Tadeusz (POL)23130-129 ≣B33Olympiad23 Oct 2004
82Sampson MMuir1-032 ≣B33Ch Great Britain
376Sanchez Corujo Jo...2257Gavril Draghici F1-030 ≣B33It (open)
81Sarafian SJacob Bernhard (GER)21641-031 ≣B33It (open) (w)
45Sarnak PHeino Hannu1-025 ≣B33Ch World (team) (...
508Schachinger Mario...2277Kopinits Anna-Chr...21531-032 ≣B33It (open)20 Sep 2006
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
102Semeniuk Alexande...2417Ragozin Evgeni (RUS)24411-027 ≣B33Ch Armed Forces
211Seminara Juan Pab...2275Mendez Ernesto (ARG)23950-132 ≣B33It \
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...
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
259Silveirinha Jose ...2104Ko Ko Hlaing1-023 ≣B33Ch Asian Cities (...
35Simms Gary (USA)2112Formanek Edward W...22030-118 ≣B33It (open)
732Simonik Adam1885Svoboda Matej19820-116 ≣B33Extra League 2011...21 Jan 2012
713Skapikova Lubica ...1867Jasny Stanislav (...23660-128 ≣B33It (open)21 Aug 2011
706Skulkin Nikolay (...1814Suhachev Viktor (...19660-121 ≣B33Memorial Petrosia...25 Jun 2011
559Sobierska Wiolett...1982Raszkiewicz Agnie...18261-020 ≣B33Ch Poland (junior...01 Apr 2008
620Solomonova Lidiya...Charochkina Daria...22890-122 ≣B33Ch Russia (w)07 Jun 2009
418Sorokina Viktoria...2130Eidelson Rakhil (...22680-124 ≣B33It \
251Sosnowska Elzbiet...1918Dukaczewski Piotr...21800-126 ≣B33Ch City
3Stanchev ZahariBobotsov Milko G ...24051-029 ≣B33Ch Bulgaria
580Starkov S (RUS)2262Iskusnyh Sergei (...24670-129 ≣B33Tournament (open) \25 Aug 2008
17Sterner OlafBoleslavsky Isaac...25600-122 ≣B33Match \
685Stojanovic Kosara...1914Maljevic Aleksa (...16730-120 ≣B33It (open)30 Nov 2010
522Svrtan Zlatko (CRO)2099Topel Zehra (TUR)22460-130 ≣B33It (open)25 Mar 2007
400Tan Kevin (NED)2222Van Eijk Sander (...23721-032 ≣B33Ch Netherlands (j...
742Tapera Uzeni1949Ponelis Albert A19861-023 ≣B33It (c)28 Apr 2012
240Teodoro Roderick ...2076Dougherty Michael...22650-132 ≣B33Tournament
463Thallinger BernhardCsiba Dominik (SVK)23570-127 ≣B33Ch European Union...25 Aug 2004
481Tierling Detlef (...2045Issermann Ryhar (...23090-124 ≣B33Memorial Karl Mal...29 Jul 2005
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
284To Quoc Khanh (VIE)2271Dao Thien Hai (VIE)25430-129 ≣B33Ch Vietnam (junio...
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) ...
55Tsekouras SteliosAlexopoulos Georg...22490-124 ≣B33Cup Spyros Bikos
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) \
72Usachyi Mark (UKR)2196Tiagunov G1-030 ≣B33Ch World (1/2 fin...
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)
473Vanko Jiri (CZE)2151Gkogkas Dimitrios...21681-022 ≣B33It (open)26 Jan 2005
696Van Loenen DanielHaast Mark (NED)0-121 ≣B33It (open)22 Apr 2011
391Veerman Jan (NED)1901De Vreugt Dennis ...25040-131 ≣B33It (open)
658Vega Gutierrez Be...2233Menvielle Lacourr...22621-029 ≣B33Memorial Pedro Le...03 Apr 2010
630Vega Gutierrez Be...2254Fidalgo Fernandez...21311-028 ≣B33Ch Spain (w)02 Aug 2009
692Velikodvorskaya R...1689Ievlev Andrey A (...21040-115 ≣B33Ch Karelia22 Feb 2011
6Vestol AageBergqvist Allan1-030 ≣B33Olympiad
116Vilar Lopez Monic...2154Franco Ocampos Ze...24900-125 ≣B33It (open)
66Vogt Lothar (GER)2490Tischbierek Raj (...24541-032 ≣B33It
729Vukcevic Branimir1932Vujacic Igor (MNE)21690-115 ≣B33Ch Chess Club24 Dec 2011
262Wagner AlexanderWenner Tobias (GER)22100-124 ≣B33Verbandsliga Nort...
47Wahlbom Magnus (SWE)2288Schneider Lars-Ak...23640-127 ≣B33Ch Sweden
654Weber Christoph (...2202Titz Heimo (AUT)22250-129 ≣B33Bundesliga B Mitt...27 Feb 2010
171Wegener Olaf (GER)2423Markgraf Alexande...24930-130 ≣B33Ch Germany (junio...
579Weglarz Joanna (POL)2027Adamski Michal (POL)21950-131 ≣B33It (open)21 Aug 2008
68Willecke Dirk2225Brumm Carsten Dr ...22420-123 ≣B33Bundesliga (2nd) ...
214Wordel NicoleHeinicke Wenke (GER)20530-125 ≣B33Ch Germany (junio...
23Yepez Olavo (ECU)2305Rannanjarvi1-030 ≣B33Ch World (team) (...
65Yuja H (HON)2205Luk Luen-Wah (HKG)22151-032 ≣B33Olympiad
249Zarkovic Danijela...2095Morkunaite Egle (...21380-130 ≣B33Ch Europe (junior...
308Zembrzuska Monika...2000Kowalska Elzbieta...20801-031 ≣B33Ch Poland (team) ...
86Zeniou ZeniosAlexandrou Alexan...21720-126B33Ch Cyprus
194Zheliandinov Vikt...2350Galliamova Alisa ...24750-132 ≣B33It
721Zivkovic Branimir...2204Simonovic Aleksan...24010-126 ≣B33Ch Central Serbia...20 Sep 2011
227Zozulia Anna (BEL)2275Mukhametov Eldar ...24750-132 ≣B33It
256Zsiltzova-Lisenko...2235Wassin Sergei (RUS)0-121 ≣B33Ch IBCA (blindfold)