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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
419Cordovil Joao (POR)2254Costa Paulo (POR)21871-027 ≣B54Ch Portugal (team)
148Guerreiro RicardoFarinhas Joao1-027 ≣B21Ch Portugal (team)
267Charneira Hermene...2140Costa Paulo (POR)21440-130 ≣B54Ch Portugal (team...
550Ivanov Rostislav ...2252Panchenko Alexand...22790-127 ≣B54Ch PriFO26 Jan 2008
647Brylova Natalia (...1898Shaidullina Sandu...21750-131 ≣B33Ch PriFO (w)06 Jan 2010
377Lancianese Giusep...1723Campanini Ambrogio1-028 ≣B33Ch Provinciale CO23 Feb 2001
483Kosolapov Petr (RUS)2034Zaitsev Alexander...23911-032 ≣B54Ch Region10 Aug 2005
591Denisov Ivan (RUS)2189Kharitonov Igor (...21081-024 ≣B54Ch Region (final)23 Nov 2008
691Deac Bogdan-Daniel1651Malureanu Costin ...21380-131 ≣B33Ch Romania12 Feb 2011
741Miroi Robert-Andrei1817Radulescu Vlad-Al...18360-127 ≣B54Ch Romania (junio...08 Apr 2012
327Coman OvidiuFlorescu Petru (ROM)21990-122 ≣B54Ch Romania (junio...
431Kosov Ivan (RUS)2170Gusev Aleksey (RUS)23940-128 ≣B33Ch Russia (1/2 fi...
387Kurochkin Victor ...2415Baklan Vladimir (...26050-128 ≣B54Ch Russia (club)
433Beketov Viktor (RUS)2137Gerasimov Alexand...0-124 ≣B33Ch Russia (for th...
24Bogdanov Anatoly ...Kamensky Vitaly (...1-024 ≣B33Ch Russia (for th...
225Iljin Artem (RUS)2536Tarasov Vitaly (RUS)0-128 ≣B33Ch Russia (junior...
609Yakimenko AnastasiaDvornikova Anna1-024 ≣B32Ch Russia (junior...
499Shenin Andrey (RUS)2237Zemlyanskiy Dmitr...22081-030 ≣B33Ch Russia (junior...
610Glazkov Arseny (RUS)2086Donskov Anatoly (...21940-128 ≣B33Ch Russia (junior...15 Apr 2009
448Bogomolova Ekater...2080Ivakhinova Inna (...21771-024 ≣B33Ch Russia (junior...
266Zakurdjaeva Irina...2115Bobko Ekaterina (...20351-024 ≣B23Ch Russia (junior...
620Solomonova Lidiya...Charochkina Daria...22890-122 ≣B33Ch Russia (w)07 Jun 2009
397Lisanti Andre (GER)2284Armbrust Florian ...21931-025 ≣B54Ch SBRhH
203Berger Joachim (GER)2042Gombert Reiner (GER)19120-125 ≣A00Ch Schleswig Hols...
569Donohue Tom (SCO)1906Schmerwitz Reinha...19441-025 ≣B54Ch Scotland11 Jul 2008
717Rocen BojanaTomin Ksenija (SRB)19010-123 ≣B54Ch Serbia (team P...29 Aug 2011
423Kozhevnikov Evgra...2011Mikhailov Yury0-125 ≣B33Ch SibFO
521Varkvasov ValeryDavyidenko Stepan...19600-129 ≣B54Ch SibFO (open)22 Mar 2007
217Liska Jaroslav (SVK)1973Kopjonkin Gennady...23400-122 ≣B54Ch Slovakia
216Kopera Michal (SVK)2091Kostelny Jozef (SVK)22320-123 ≣B33Ch Slovakia
298Gruca Miroslav (SVK)2204Hlas Jan (SVK)21180-132 ≣B33Ch Slovakia (juni...
177Mach Anton (SVK)Stefan Oldrich (SVK)19720-126 ≣B54Ch Slovakia (team...
246Stepanovic Branis...1995Stefan Oldrich (SVK)19721-024 ≣B54Ch Slovakia (team...
439Polacik Igor (SVK)2014Castiglione Mario...22650-127 ≣B54Ch Slovakia (team...
688Gasa Andrej (SVK)2257Kapusta Petr (CZE)21580-127 ≣B54Ch Slovakia (team...16 Jan 2011
117Zugaj Fjodor (SLO)2211Podvrsnik Marko (...21960-126 ≣B54Ch Slovenia
336Zorko Jure (SLO)2456Gomboc Miha (SLO)21850-129 ≣B54Ch Slovenia
476Pavsic Andrej1554Kokol Peter (SLO)21530-127 ≣B33Ch Slovenia (juni...26 Feb 2005
594Vucko Maja (SLO)1963Grosar Kiti (SLO)22210-132 ≣B54Ch Slovenia (team...30 Nov 2008
460Bruno Ronald (USA)2214Van Buskirk Charl...22930-122 ≣B54Ch Southern Calif...24 Jul 2004
422Pena Gomez Manuel...2223Moreno Tejera Emi...22750-130 ≣B53Ch Spain (juniors...
379Diaz Sanchez Jose...2062Colas Longares Ra...23390-132 ≣B33Ch Spain (open)
188Garcia Padron Jos...2410Franco Ocampos Ze...24800-128 ≣B33Ch Spain (team)
150Ortiz Aleman Jose...2185Cabello S0-129B33Ch Spain (team)
582Granados Gomez Ma...2407Alonso Moyano Jon...23791-026 ≣B53Ch Spain (team) (...03 Sep 2008
630Vega Gutierrez Be...2254Fidalgo Fernandez...21311-028 ≣B33Ch Spain (w)02 Aug 2009
312Felber Joseph J (...2094Buscemi Edward0-128 ≣B33Ch State New York
271Buerger Helmut (GER)1900Becher Helmut Dr ...20720-128 ≣B33Ch SVR (2)
38Lundin Erik (SWE)Santesson Kjell1-020 ≣B33Ch Sweden
47Wahlbom Magnus (SWE)2288Schneider Lars-Ak...23640-127 ≣B33Ch Sweden
205Gast Jonathan (SUI)2209Georges Sacha (SUI)23400-128 ≣B54Ch Switzerland (t...
392Regue Farran Enri...2057Plachkinova Tatja...21870-124 ≣B33Ch Tarragona
265Grigoriev OSoldatov Roman (UKR)22220-122 ≣B33Ch Ukraine (junio...
541Derevianchenko Il...2296Tsirulnik Mark (UKR)21220-129B54Ch Ukraine (junio...17 Nov 2007
264Fedorchuk Sergey ...2415Zakharov Vladimir...23901-027 ≣B23Ch Ukraine (junio...
511Kucha Taras (UKR)1861Andreev Vitaliy (...22860-126 ≣B54Ch Ukraine (junio...18 Dec 2006
494Breslavska Galina...2176Choba Yulia (UKR)18311-026 ≣B30Ch Ukraine (junio...10 Feb 2006
19Ljuboschitz Alexa...2172Boleslavsky Isaac...25600-127 ≣B33Ch URS (1/2 final)
20Cherepkov Alexand...2395Vladimirov Boris ...23400-128 ≣B33Ch URS (1/2 final)
10Ravinsky Grigory ...Ufimtsev Anatoly ...1-030 ≣B54Ch URS (1/2 final)
161Khlgatian Goaz (ARM)2115Agapitova T0-119 ≣B33Ch URS (team) (co...
29Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA16 Dec 1963
27Bisguier Arthur B...2237Saidy Anthony F (...23360-128 ≣B33Ch USA
352Salazar Anibal (VEN)Borges Gabriel (VEN)22280-130 ≣B54Ch Venezuela
720Somasundram Jayak...1959Paseka Christian ...17521-032 ≣B54Ch Vienna State (b)17 Sep 2011
557Tran Tuan Minh (VIE)2261Phan Dinh Nhat Kh...19671-032 ≣B33Ch Vietnam
656Le Thanh Tai (VIE)1825Ton That Nhu Tung...22430-124 ≣B33Ch Vietnam26 Mar 2010
432Le Trong Bac (VIE)Tran Nguyen Bao (...0-132 ≣B33Ch Vietnam (junio...
577Tran Thi Mong ThuDang Minh Phuong1-019 ≣B33Ch Vietnam (junio...06 Aug 2008
530Nguyen Viet Chung...2164Ton That Nhu Tung...22160-131 ≣B54Ch Vietnam (junio...11 Jul 2007
284To Quoc Khanh (VIE)2271Dao Thien Hai (VIE)25430-129 ≣B33Ch Vietnam (junio...
456Nguyen Thi Thu HangTran Thi Thanh Huong0-132 ≣B54Ch Vietnam (junio...
465Nguyen Huu Duc Lu...2170Huynh Tuan Ba0-115 ≣B33Ch Vietnam (team)16 Sep 2004
535Tran Quoc Dung (VIE)2241Quach Phuong Minh...1-028 ≣B50Ch Vietnam (team)29 Aug 2007
72Usachyi Mark (UKR)2196Tiagunov G1-030 ≣B33Ch World (1/2 fin...
50Free TerryHansen Aage (DEN)16401-027 ≣B30Ch World (for the...20 Sep 1978
25Keogh Eamon (IRL)2002Minaya Juan (COL)22071-029 ≣B33Ch World (juniors)
118Ahrens Manuela (GER)2125Darchia Diana (GEO)23130-132 ≣B50Ch World (juniors)
347Zarza Ronald (PAR)2061Alvarez Johan (VEN)23170-121 ≣B54Ch World (juniors...11 Aug 2000
641Gokkaya ErmanMammadov Mehdi Na...17691-024 ≣B33Ch World (juniors...22 Nov 2009
230Ankhchimer Bayanm...2151Gara Anita (HUN)22650-124 ≣B54Ch World (juniors...
179Kovihi OApro Adrian (HUN)21830-120 ≣B33Ch World (juniors...
726Sztokbant Bernard...1969Caprio Guido (ITA)23541-022 ≣B54Ch World (juniors...19 Nov 2011
192Nones Ii Teodulfo...2281Gross David (CZE)23850-123 ≣B54Ch World (juniors...
80Oparaugo Thomas (...2109Kokkila Tero (FIN)23300-126 ≣B54Ch World (juniors...
487Almer Julia (SWE)1943Bensdorp Laura (NED)20900-125 ≣B54Ch World (juniors...20 Nov 2005
390Pratibha Y (IND)2194Churun Polina (BLR)21431-029 ≣B33Ch World (juniors...
36Asplund LennartSigurjonsson Gudm...24631-029 ≣B33Ch World (juniors...
486Silva Arajo Mario...1957Masich Vladimir (...20300-131 ≣B30Ch World (seniors)01 Oct 2005
537Bondar Leonid (USA)2066Danner Georg (AUT)24340-119 ≣B33Ch World (seniors)17 Sep 2007
410Lundberg Gunnar (...1985Tschirky Werner (...17201-030 ≣B54Ch World (seniors)
157Semasev Kim (LAT)2249Zhukhovitsky Samu...23950-123 ≣B33Ch World (seniors)
23Yepez Olavo (ECU)2305Rannanjarvi1-030 ≣B33Ch World (team) (...
67BoeredougaWhitehead Jay E (...23250-125 ≣B33Ch World (team) (...
45Sarnak PHeino Hannu1-025 ≣B33Ch World (team) (...
206Todorovic Bojan (...2288Dragasevic-G Anto...22051-032 ≣B54Ch Yugoslavia (te...
103Micic Jordanka (GER)2334Micic Snezana (SRB)21511-032 ≣B54Ch Yugoslavia (w)
395Mladenovic Jelena...2168Vranesevic Danica...20611-022 ≣B33Ch Yugoslavia (w)
21Gemende GMueller Georg (GER)20541-025 ≣B54corr.
100Miranda Ponce Alv...2234D'Adamo Ettore0-125 ≣B54corr.