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Sicilian, Najdorf, 7...Be7 Main line 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0

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
240Jaureguiberry Ced...2093Larand Manuel (FRA)19760-122 ≣B90It (open)
319Jenc Milan (CZE)1888Krejcova Katerina...20240-122 ≣B90It (open)07 Jul 2004
210Jens Jelmer (NED)2382Azadmanesh Moosa ...21431-018 ≣B90Ch Netherlands (j...
246Jens Jelmer (NED)2382Azadmanesh Moosa ...21501-015 ≣B90Ch Netherlands (j...
22Johansson Claes-ErikWestin Bertil (SWE)19961-023 ≣B90?
31JohnstonKirkland1-024 ≣B90Ch Great Britain ...
239Jose Antonio Diaz...Menendez Alba Jos...20151-023 ≣B90Ch Asturias (team...
226Juan Ramon RodriguezCabello Fernandez...21100-120 ≣B90It (open)
258Julian Stephane (...2161Solakian-Van Eyll...22420-123 ≣B90Ch France (team) ...
468Juodzevicius DariusMisiuk Ernest (LTU)16251-023 ≣B90It (open)23 Nov 2011
133Karlson VUtemov Vladimir (...23850-124 ≣B90?
327Kauzky Hartmut (AUT)2042Kasymov Kamil1-023 ≣B90Olympiad (for the...09 Nov 2004
390Kempe Frank (ENG)2068Zivkov Viktor18411-022 ≣B90Verbandsliga Muen...13 Dec 2008
350Khalukov Yury (RUS)2297Vorobev Kirill (RUS)20771-019 ≣B90Ch Central FO (team)04 Dec 2006
125Kirchner MartinBusch1-017 ≣B90Ch DDR (corr.)
123Knop GuenterMey G0-123 ≣B90corr.
399Koenig Peter (GER)2088Iwanziw Niklas (GER)18711-020 ≣B90It \11 Jun 2009
39Kopp Bernd Dr (GER)2265Grafe M1-019 ≣B90corr.
442Kosteniuk Alexand...2524Yanayt Eugene (USA)21531-024 ≣B90It \29 Dec 2010
289Kouwenhoven ArjenVan Den Dikkenber...23040-124 ≣B90It (open)
455Kratochvil Josef ...2233Cenek Miroslav (CZE)19001-023 ≣B90It (open)16 Jun 2011
175Krause BStriebich Rudolf ...21911-022 ≣B90Oberliga Baden 19...
460Krtous Zdenek (CZE)2080Peniska Pavel (CZE)19231-014 ≣B90It \18 Aug 2011
357Kruglyakov Pavlo ...2357Nosov Maxim (UKR)21831-024 ≣B90Ch Ukraine (club)27 Apr 2007
159Kubikova Hana (CZE)2159Kalikova Jana (CZE)1-022 ≣B90Ch Czech Chess Un...
146Kunce JRadola H0-120 ≣B90Ch Poland (corr.)
6Kupka Slavoj (CZE)2169Kozma Julius (CSR)23801-016 ≣B90Ch Czechoslovakia
80Kuukkanen TaunoLaiho Timo1-021 ≣B90?
427Kwiatkowski Wikto...1882Lewtak Dominik (POL)16041-023 ≣B90Ch Poland (team) ...13 Jul 2010
92Lagland GoranRasanen Erkki1-020 ≣B90?
93Lagland GoranRuoti Eino1-021 ≣B90?
454Lampert Jonas (GER)2188Ott Florian (GER)19231-020 ≣B90Ch Germany (junio...12 Jun 2011
262Larsen Soren MNemec Bedrich0-122 ≣B90corr. ICCF
228Latumbo MarioRiggs Brent0-118 ≣B90?
54Laurencena AlbertoErdeljan Miroslav1-023 ≣B90corr.
308Laursen Niels Nor...2125Vik-Hansen Rune (...19581-023 ≣B90It (open) \
452Legenstein Robert...2043Eder Matthias (AUT)20601-023 ≣B90It (open)27 Apr 2011
119Lehtinen TeroEloranta Kari (FIN)20400-116 ≣B90?
106Leisebein PeterWesely H1-017 ≣B90corr.
394Le Samuel (FRA)1924Mayhew Andrew (ENG)20670-119B90It (b)17 Apr 2009
166Leuw Micha (NED)2249Tsiganova Monika ...21730-124 ≣B90It (open)
19Levchenkov Vitaly...2260Gutkin Boris (ISR)22771-023 ≣B90?
200Liebhaber PaulKahane Gabe (USA)20771-021 ≣B90Ch State California
198Lima ONogueira Geraldo1-023 ≣B90Ch Brazil (1/2 fi...
199Lima ORocha Tarciso (BRA)18591-022 ≣B90Ch Brazil (1/2 fi...
102Lizan LadislavSwierczynski S1-020 ≣B90Europe Tournament...
219Lobzhanidze Davit...2330Marten Gero (GER)20321-018 ≣B90It (open)
287Loetscher Pirmin ...2143Fischli Albert (SUI)20931-017 ≣B90Ch Switzerland
231Lukasiewicz Anna ...2064Kotwicka Maja (POL)20051-024 ≣B90Ch Poland (1/2 fi...
281Ly Kim-LongTonndorf Matthias...20520-119 ≣B90Ch Niedersachsen ...
385Maahs Erich (GER)2151Duenzel Jonas (GER)20061-024 ≣B90It (open) \21 Oct 2008
323Macak Stefan (SVK)2305Kasas Ladislav (SVK)20961-023 ≣B90It (open)26 Sep 2004
112Maciejewski Andrz...2334Molchanov V0-120 ≣B90Cup Baltic (corr.)
252Mack ThomasHoecker Horst (GER)17101-021 ≣B90It (open)
26Magnusson Olafur ...2183Gavey HL22001-024 ≣B90Olympiad
61Malinen HannuJauhiainen Kari1-018 ≣B90corr.
162Maliszewski LRosinski Zenon1-020 ≣B90Ch Poland (corr.)
208Manik Mikulas (SVK)2380Helbich Jan Jr (SVK)1-023 ≣B90It (open) \
190Manker BrianKincare Kevin1-020 ≣B90corr.
381Mardell Jimmy (SWE)2184Backmann Michael ...21201-020 ≣B90Tournament (Elo) (b)14 Jun 2008
477Marjanovics Annam...1786Nur Abidah Shanti1-024 ≣B90Ch World (schools...01 May 2012
288Marotta MartinPereira Celso Carlos1-022 ≣B90Ch Uruguay (team)
373Marshall Abby (USA)2208Han Wong Ingrid (...20061-023 ≣B90Ch World (juniors...19 Nov 2007
122Martincevic Ninos...2234Holzschuh Peter (...19991-022 ≣B90It (open)
314Martin Del Campo ...2404Papadakis Michali...20591-019B90Dos Hermanas Qual...14 Mar 2003
37Matera Salvatore ...2425Sandrin Albert1-024 ≣B90It \
167Matousek Michal (...2270Majzlan Igor (SVK)21741-017 ≣B90It (open) \
140Medina Jose (ESP)2062Almagro S1-024 ≣B90It (open)
472Medwed Kai1950Wertjanz David (AUT)22350-120 ≣B90Ch Austria (junio...01 Apr 2012
100Melis AvDuijs P0-123 ≣B90It (open)
378Mester Attila (HUN)2116Rajcsanyi Peter (...19590-122 ≣B90It (open) \24 Mar 2008
248Meszaros Tamas (HUN)2175Fluvia Frigola Jo...20781-020 ≣B90Ch World (juniors...
358Meurs Tom (NED)2051Ducarmon Quinten ...20491-021 ≣B90Ch Netherlands (j...03 May 2007
11Mikkola ErkkiPlosila Aaro1-023 ≣B90?
121Milutinovic Bojan...Giertz Niklaus (SUI)22461-024 ≣B90?
16Minic Dragoljub (...2355Tomic Dragoslav (...21251-023 ≣B90It
413Molina Gildardo (...2075Ballesteros Lopez...1-020 ≣B90It (open)08 Jan 2010
295Montell Lorenzo J...2332Regue Farran Enri...20571-024 ≣B90Ch Tarragona
371Moradi Amir MasoudPavelek Tomas (CZE)18111-022 ≣B90Ch World (juniors...19 Nov 2007
253Moscoso Sanchez F...2199Bastidas Rodrigue...22450-122 ≣B90It (open)
225Muench Ingo (GER)2220Ullmann Juergen (...20891-020 ≣B90It (open)
330Muhammad Arif Afi...M Yusuf Maulana0-121 ≣B90Ch Asia (juniors)...
151MullerPeters1-022 ≣B90corr.
335Murawski Wieslaw ...2032Bachan Daniel (POL)21331-023 ≣B90It (open)13 Nov 2005
138Nagy Janos (HUN)2214Piesina Gintautas...24300-124 ≣B90It (open)
348Naiditsch Arkadij...2676Campana M17911-024 ≣B90It (active) (open)30 Oct 2006
303Napoli Ferdinando...1740Cardani Roberto (...19500-121 ≣B90It (open)08 Jun 2002
156Naumann Alexander...2546Fachini Neto O (BRA)1-020 ≣B90Ch World (juniors)
392Navarro Martin Ca...Martin Garcia Fra...15031-018 ≣B90Tournament \17 Mar 2009
109Negre GuillaumeRene Benoit (FRA)22880-122 ≣B90It (open)
334Nelson Jonathan (...2282Miller Allen14560-118 ≣B90Ch Civil Service ...05 Nov 2005
186Neumann Andreas (...2210Frank Tena (GER)20111-022 ≣B90It (open)
447Nevostrujev Vladi...2441Emeljashin Jury (...20931-022 ≣B90Ch City20 Feb 2011
372Noettling Dominik...1723Oruclu Receb1-014 ≣B90Ch World (juniors...19 Nov 2007
44Noone JMuldoon P1-019 ≣B90It (open)
15Nunn John D M (ENG)2602Stean Michael F (...25000-123 ≣B90Cup URS
46Nurmi Peter (CAN)2275Stewart Rick1-021 ≣B90Ch Canada (junior...
275O'Connor ThomasThiel Peter (USA)21990-123 ≣B90It (open)
25Oechslein Rainer ...2259Colditz Albrecht1-022B90Tournament
178Oosterhoff JDe Ruiter Tom (NED)21180-124 ≣B90corr.