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Sicilian, Najdorf, 6.f4 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4

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
325Padeiro Jose (POR)2213Costa Joao Guerra...20821-022 ≣B90Ch Portugal (final)
139Tsuboi Edson Kenj...2235Limp Eduardo (BRA)23821-024 ≣B90Ch Brazil
184Evans Larry M (USA)2470Mastichiadis Fotis1-023 ≣B90Olympiad
159Ree Hans (NED)2379Danner Georg (AUT)24081-024 ≣B90Ch Europe (junior...30 Dec 1965
146Wagener Claude (LUX)2225Lambert Andreas (...22271-020 ≣B90Oberliga Southwes...
384Czarnetzki APhilippi E1-024 ≣B90It (open)
118Sax Gyula (HUN)2570Guerra Jose L (VEN)23551-019 ≣B53Olympiad
167Ninov Nikolai (BUL)2473Mangone Pierre (FRA)20251-019 ≣B90It (open)29 Feb 2004
131JamiesonBezsilko Philippe...21911-023 ≣B90Tournament (juniors)
361Perez Candelario ...2496Ibarra Jerez Jose...24511-024 ≣B23Ch Spain (team) (...14 Sep 2006
301Gonzalez Menendez...2396Montes Gutierrez ...21421-023 ≣B90It (open)25 Jul 2007
312Nazarenus Olaf (GER)2046Kuntz Timo19951-020 ≣B90It (open)
387Lyly Seppo (FIN)1937Nordstrom Felix (...21811-024 ≣B90Cup Rilton
172Durao Joaquim (POR)1914Littleton Michael...22751-024 ≣B90Zt
108Durao Joaquim (POR)1914Schippan Bernd (GER)23111-018 ≣B90It
367Abreu Aryam (CUB)2436Gonzalez Bolivar ...22571-020 ≣A04It (cat.5)13 Feb 2004
4Firman Nazar (UKR)2551Mamonova Yulia (UKR)20311-020 ≣B90Ch Ukraine (team)18 May 2010
16Sandor Christian ...2385Thallinger Harald...22801-020 ≣B90Staatsliga B East...
83Pablo Marin Aleja...2390Colls Gelaberto E...21841-021 ≣B90It (open)
52Forster Richard (...2305Kek Wei-Chuan (SIN)20851-019 ≣B90Ch World (juniors...
41Argyris Nick2140Parr David (ENG)20071-024 ≣B90It (open)
9Balaskas Nikolaos...2195Panopoulos N1-024B90Tournament
80Louis Jean-Philip...2134Bougel Claude (FRA)17251-020 ≣B90It (open)
92Guliev Logman (AZE)2442Gago Padreny Igna...21571-021 ≣B90It (open)24 Aug 2007
6Butunoi Alexandru...2400Bach Adrian-Kalma...22741-019 ≣B90Cup Muresul (cat.8)24 May 2006
7Polgar Judit (HUN)2575Pliester Leon (NED)23451-024 ≣B90It
8Tsouros Georgios ...2162Konstantinou Alex...21821-015 ≣A04Tournament
10Popovych Orest (USA)2244Jacobs John N (USA)23001-021 ≣B90It (open)
13Reschun Sascha (AUT)2244Herbst Daniel (AUT)22061-024 ≣B90Staatsliga B East...
328Scotti Umberto (ITA)2182Battaggia Piergio...20431-017 ≣B90It (open)
14Januschke Markus ...2196Kuess Mario (AUT)21061-022 ≣B90Staatsliga B Sout...
20Grunke GuntherGonzales1-020 ≣B90corr.
21Metz Werner Richa...Marschner Guenter19301-024 ≣B90corr.
22Groeber EPaulus H1-024 ≣B90corr.
23Tonndorf Matthias...2219Gutman Lev (GER)24851-08 ≣B90It (open)16 Oct 2008
24Gruzmann Boris (RUS)2275Ladstetter Josef ...20821-022 ≣B90Ch Europe (seniors)30 Jun 2005
25Horther Schneider...Liepert Luise1-022 ≣B90Ch Bayern (w)
29Nekrasov Mihail (...Perez Jose (SUI)1-011 ≣B90Oberliga Baden 20...20 Jan 2008
30Maahs Erich (GER)2071Ferstl Manfred (GER)19691-023 ≣B90It (open)
31Teske Oliver (GER)2130Notter Felix (GER)21801-018 ≣B90It (open)
32Van Der Wiel John...2465Stean Michael F (...25301-021 ≣B90It (cat.12)
34Schmidt Waldemar ...2029Schuhmacher Josef1-023 ≣B90Verbandsliga Nort...
35Tischbierek Raj (...2495Fink Markus1-021 ≣B90It (open)
37Georgiev Krum (BUL)2441Velchev Hristo (BUL)23191-024 ≣B53It (open)17 Dec 2010
38Gonzalez Yuri (CUB)2512Iglesias Jorge (ARG)23521-020 ≣B90It (open)08 Jul 2004
39Namay Caceres San...2117Perez Lopez Franc...1-023 ≣B90It (open)
40Dely Peter (HUN)2391Palmiotto Fiorent...21041-019 ≣B90It
42Schilling AndreasBreitenbach Chris...1-016B90Ch Unterfranken (b)
44Gabrielsen Stig (...2243Stam Bart (NED)20751-022 ≣B90It (open)
45Pelerin Martin (FRA)2010Testart Jean-Louis1-018 ≣B54It (open)
47Schlange Stefan (...2226Galonska Joern (GER)22911-024 ≣B90It (open)
50Limbos PaulRoos Michel (FRA)21181-024 ≣B90It
51Geirnaert Steven ...2364De Schampheleire ...21561-024 ≣B90It (open)17 Aug 2009
53Haro Martim AfonsoOliveira Alexandre1-019 ≣B90Ch Brazilian SC
54Rodrigues Adriano...2300Romano Alexandre ...20771-020 ≣B90Memorial German
55Cashman Michael (...2072Marner Gavin (NZL)20701-021 ≣B90Ch Australia (major)
56Ansell Simon (ENG)2390Collier David (ENG)22351-018 ≣B90It (open)
58Resika Nathan A (...2182Blasko Istvan (HUN)23101-024 ≣B90It (cat.2)
59Obran Harald (AUT)1988Burghardt Jozsef ...21601-019 ≣B90It (open) Nyar
62Dely Peter (HUN)2480Horvath Gyula (HUN)23641-017 ≣B90Ch Hungary
63Sax Gyula (HUN)2445Hradeczky Tamas (...22161-024 ≣B90Ch Hungary
65Barczay Laszlo (HUN)2465Orso Miklos (HUN)23631-022 ≣B90Ch Hungary
66Polgar Sofia (HUN)2415Sleisz Tamas (HUN)22361-021 ≣B90Cup Donau (open)
67Czebe Attila (HUN)2455Vegh Endre (HUN)23401-022 ≣B90It (cat.8)
68Ginzburg Maximili...2275Celis Gustavo (ARG)22251-023 ≣B90Tournament (team)...
70Wong Zi Jing (MAS)2329Ghader Pour Shaye...20171-024 ≣B90It (open)
71Escobar Forero Al...2466Rios Cristian Cam...23491-021 ≣B90It (open)09 Jan 2011
73Abreu Aryam (CUB)2493Van Riemsdijk Her...23621-024 ≣B90Ch American Conti...
74Torres Dominguez ...2136Otero Chaves Carl...19061-024 ≣B90It (open)06 Aug 2008
76Martin Benjamin (...2375Piscopo S (AUS)21421-022 ≣B90Cup Doeberl
77Messa Roberto (ITA)2305Aleksic Nenad (MNE)20121-023 ≣B90It (open)
82Abayasekera Roger...2208Shimasaki Taiju1-023 ≣B90Olympiad (student...
84Samhouri A (JOR)2332Yueh Wei Po (TPE)19831-022 ≣B90Ch Asia21 Sep 2007
85Mihevc Ivo (SLO)2214Justin Matjaz (SLO)23721-024 ≣B90Ch Slovenia (team)03 Dec 2004
87Piat Jerome (FRA)2167Thomas Fabien (FRA)19881-023 ≣B90It (open)27 Oct 2009
89Fischvogt EFriedman Edward (...22731-019B90It (open) Midwest...
93Aagaard Jacob (SCO)2240Bekker-Jensen Sim...24091-024 ≣B90Tournament
94Hansen Gunnar Wes...2176Lysdahl Larsen K1-023 ≣B90It (open)
95Bazan Osvaldo (ARG)2260Gastiarena Eulogio1-019 ≣B90Memorial Palermo
96Cubas Jose Fernan...2448Vargas Roberto Ca...18661-024 ≣B90It (open)06 Oct 2007
97Reig Albero Ferra...2162Romeu Alfonso Fra...21451-019 ≣B90It (open)
98Novotny Jiri (CZE)1609Chmiel Pavel (CZE)22431-024 ≣B90Czech League 1995...
99KuspielBraune1-024 ≣B90corr.
100Hackel Mario (GER)2299Schurig R1-015 ≣B90corr.
101Kunzelmann FredSteffan J1-019 ≣B90corr.
104PetriakovaDudysheva1-020 ≣B90Ch Russia (junior...
105Vajda Arpad (HUN)Kalmar Karoly (HUN)19981-020 ≣B90It
109Ostojic Predrag (...2325Krudde Fitzgerald...22981-019 ≣B90It (open)
111Fernandez Marino ...2167Montes De Oca Ale...22331-023 ≣B90Cup Samanel
113Popovych Orest (USA)2370Andre Wolfgang (GER)21971-021 ≣B90It
114Kindermann Stefan...2519Derlich Karin (GER)20741-018 ≣B90?
115Kindermann Stefan...2519Lau Ralf (GER)24601-023 ≣B90It (cat.9)
119Al Sayed Mohamad ...2467Henni Mohamed (ALG)23421-021 ≣B90Ch Arabic Countries12 Sep 2005
120Dualibe Leitao R ...Medina Fuentes S1-022 ≣B90Ch World (juniors...
122Savory Richard J ...2104Eckersley-Waites ...21141-023 ≣B53Ch England (team)...20 Mar 2004
123Nunn John D M (ENG)2580Gruenfeld Yehuda ...25151-023 ≣B90Memorial Kapusa (...
124Slingerland Fred ...2280Bezemer Arno (NED)22351-015 ≣B90Ch Netherlands (q...
125Koefeler Christia...2037Fauland Peter (AUT)22291-023 ≣B90It (open) Karacsony
126Lillo Josep2200Bruno Ghiani20801-021 ≣B90It (open)
127Suominen Antti TuTSArppi Heikki1-024 ≣B90Ch Finland (team)...