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Sicilian, Najdorf, Opocensky Variation (6.Be2) 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2

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
161Lutz Christopher ...2565Gutman Lev (GER)24401-023 ≣B90It (open) (active)
414Machalova Veronik...2168Androvic Peter (SVK)20281-021 ≣B90It (open) \03 May 2004
728Magalhaes Jr Seba...1761Mariano Marceley ...20840-121 ≣B50Ch Brazil (amateurs)19 Feb 2012
190Mainka Romuald (GER)2520Roeder Mathias (GER)24351-023 ≣B90It (open)
628Makarenko Alexand...1970Osmanodja Filiz (...19540-122 ≣B90Ch World (juniors...21 Nov 2009
498Malyi Viacheslav ...2239Nazarenko (Zaporo...0-120 ≣B90Ch Ukraine (junio...18 Nov 2006
747Manabayeva AiyaLozhnikov Vyacheslav0-121 ≣B90Tournament (open) \05 Aug 2012
510Mankirov Vladimir...1667Papuev Victor (RUS)17491-023 ≣B90Tournament (Elo) \
556Marchlewicz Damia...1903Walkusz Miroslaw ...19621-022 ≣B90It (open) (b)04 Jul 2008
636Marin Diego Aleja...Hernandez Elvert ...20380-120 ≣B90It (open)09 Jan 2010
724Marino Felipe Gab...1602De Assis Henrique...17350-123 ≣B90Tournament (open)29 Jan 2012
291Marionito JoseMonahan Darby1-021 ≣B90It (open)
489Markoja Uros (SLO)1897Bucar Natasa (SLO)17511-023 ≣B90Ch Slovenia (team...25 Aug 2006
272Martinez Tormo Jo...2169Coret Frasquet Jo...22570-123 ≣B90It (open)
471Martin Victor1200Loiret Momoko (FRA)15920-123 ≣B90Tournament (junio...24 Feb 2006
351Martorell Joyce (...1904Reyes Jara Paula ...21041-021 ≣B90Olympiad (w)
534Marutkins Olegs (...1923Buyukasik Diyap (...20141-018 ≣B90Ch World (juniors...28 Nov 2007
536Mas Hafizulhelmi ...2439Tirto (INA)24060-123 ≣B90It \17 Jan 2008
558Mayer Istvan (HUN)2136Gruz Janos (HUN)20371-021 ≣B90Tournament (Elo) (a)11 Jul 2008
621Mayer Istvan (HUN)2184Vegvari Ferenc (HUN)18261-019 ≣B90Tournament (Elo) (b)12 Sep 2009
270Meekers Geert (BEL)1869Monforts Tom1-022 ≣B90It (open)
191Meier ThorstenSpiess Timo (GER)21860-120 ≣B90VK4 1996/97
413Meli Massimo (ITA)1883Grano Giuseppe17121-014 ≣B50Memorial Leonardo...01 May 2004
73Metz Hartmut (GER)2296Hornung Peter16641-014 ≣B90It (open)
301Michaelsen GerhardSchleu Guenther0-118 ≣B90Ch North Germany ...
327Mietzner Tina (GER)2109Kapischka Jens (GER)22730-119 ≣B90Oberliga East A 2...
643Mikeev Valery (RUS)1893Iljina Veronika1-020 ≣B23Ch City20 Mar 2010
490Mikhalevich Igor ...1517Shevtsov Nikoliy ...23250-122 ≣B90It (open) \27 Aug 2006
428Mikita Jozef (SVK)2209Obdrzalkova Anita...21371-020 ≣B90Extraliga 2004/0513 Nov 2004
185Millen Ernst (GER)1940Granz H1-023 ≣B90It (open)
205Mista Aleksander ...2230Kanep Meelis (EST)25041-017 ≣B90Ch Europe (junior...
107Mittermayr Gerhar...2171Cocalic Ferid (BIH)21860-121 ≣B90It (open)
626Mizhovski NikolaSzymanowski Igor0-116 ≣B90Ch World (juniors...12 Nov 2009
403Mladenov Svetlin ...2303Bonev Todor (BUL)22501-022 ≣B90Ch Bulgaria (juni...05 Feb 2004
447Mogranzini Robert...2353Gonzalez Rivero O...17891-021 ≣B90It (open)13 Jun 2005
68Moll RReinke1-020 ≣B90Europe Tournament...
242Moltchanov Roman ...2410Amoyal Pierre (FRA)22311-022 ≣B90It (open)
694Moncada Bryan (ECU)1768Hernandez Cristia...21360-121 ≣B90Ch Pan-American (...05 Jul 2011
520Mons Leon (GER)1984Gutman Lev (GER)24240-113 ≣B90It (open) \06 Sep 2007
127Monteiro Carlos A...Casquero Tomas1-012 ≣B90It (open)
546Monteiro Rodrigue...1588Perdomo Abad Jose...21420-123 ≣B90Memorial Pedro Le...01 May 2008
683Montesdeoca Artet...1487Rocandio Sanchez ...0-121 ≣B90Tournament (team) \16 Apr 2011
350Montes Vazquez Se...2019Carracedo Rodrigu...1-017 ≣B90It (open)
248Moravcik Rastisla...2098Vojtek Vladimir (...23860-123 ≣B90It (open) \
418Moreno Duarte Ana...Herrera Sosa Jess...19630-119 ≣B90Ch Pan-American (...27 Jul 2004
48Moser Klaus Prof ...2294Hommel Reinhard (...21671-023 ≣B90Ch Baden (HT)
175Moyses Jr Zich (BRA)2010Pinheiro Luiz Cla...1-014 ≣B90Ch Brasiliense (f...
262Mueller Matthias-...2300Schramenko Andrea...21931-023 ≣B53It (open)
84Mueller Ralf (GER)2411Hogenacker Jacque...22660-123 ≣B90It (open) \
736Mundet Jaume (ESP)2284Sanchez Viana Jor...18211-012 ≣B90It \26 May 2012
169Munoz Cruz Jose C...2231Martinez Jaime (ESP)22001-019 ≣B90It (open)
499Murphy Thomas D (...1945Shanbhag Arun N1-018B90Ch Nassau Chess Club04 Dec 2006
513Mustafaev Jamshid...2275Rajapaksha Rmcm (...21081-018 ≣B90Olympiad (under 16)06 Aug 2007
69Muster Frank (GER)2120Groeger S1-023 ≣B90corr.
591Nagy Erika-Izabel...1817Florea Dorina (ROM)19061-016 ≣B53Ch Romania (w)02 Feb 2009
184Naing Win (MYA)2037Khegai Angela (SIN)22350-123 ≣B90Ch World Cities
376Najjar Issam (LIB)Fakhani Mazen (LIB)0-123 ≣B90Ch Lebanon
719Nandhidhaa P V (IND)2139Flynn David (ENG)19781-022 ≣B90It (open)10 Dec 2011
757Nanu Florentin-Ga...1907Muresan Cristian-...17061-022 ≣B90Ch Romania (team)...04 Sep 2012
271Naranjo Espinosa ...1358Rios Juan Fernand...21090-122 ≣B90It (open)
506Navarrete Delgado...2227Marre Erwan (FRA)19070-119 ≣B90It (cat.4)22 Apr 2007
539Navratil Marek1387Nguyen Martin15731-023 ≣B90Czech League 2007...26 Jan 2008
141Nazarenus Olaf (GER)2046Szabo Zsolt Jozse...22950-121B90It (cat.2)
235Neber Akos (HUN)2169Krutti Valer (HUN)23600-122 ≣B90Ch Hungary (open)
126Nemec Otakar (CZE)1877Pretterhofer M1-014 ≣B90It (open)
66NestorIonescu0-122 ≣B90Ch Romania (corr.)
600Netzer Jacques (FRA)2147Gallant Aurelien ...19221-017 ≣B90Ch France (juniors)20 Apr 2009
313Ngo Ngoc Quang (VIE)2285Nguyen Hoai Nam (...21431-022 ≣B90It (open)
263Ngo Ngoc Quang (VIE)2285Le The1-015 ≣B90Ch Vietnam (junio...
631Nguyen Anh Tuan (...1987Nguyen Van Hai (VIE)22490-120 ≣B90Ch Vietnam (masters)13 Dec 2009
632Nguyen Hoang Anh ...1924Huynh Mai Phuong ...20930-122 ≣B90Ch Vietnam (maste...13 Dec 2009
220Nguyen Thanh PhuongBui T My Hang (VIE)1-020 ≣B90Ch Vietnam (junio...
566Nguyen Thuy DuongVu Thi Kieu Trang1-021 ≣B90Ch Vietnam (junio...04 Aug 2008
568Nguyen Tri ThienNguyen Hoang Duc0-119 ≣B90Ch Vietnam (junio...06 Aug 2008
195Nietsch Horst (GER)2027Baradoy Erwin16051-023 ≣B54It (open) \
443Nieves Fernandez ...Goettin Gerhard (...20270-119 ≣B90It (open)21 May 2005
641Nijboer Friso (NED)2582Nedilko Vasily (UKR)24071-020 ≣B90Ch Europe12 Mar 2010
475Ninov Nikolai (BUL)2500Riesco Lekuona Ju...19741-022 ≣B90It (open)08 Apr 2006
586Ninov Nikolai (BUL)2528Hernandez Leon Al...22351-019 ≣B90It (cat.4)
470Ninov Nikolai (BUL)2500Rogule Laura (LAT)23371-023 ≣B90It (open)18 Feb 2006
706Nistor Mihai (ROM)1958Donmez Unal1-014 ≣B90Ch Europe (for th...11 Sep 2011
563Nordli Anders Sam...Brokvam Roy1-016 ≣B90It (open) \02 Aug 2008
549Novikov Sviatosla...1819Ozonov Erzhen (RUS)18581-010 ≣B90Tournament (Elo)
693Novotny Adam (SVK)1807Perhacs Gejza (SVK)19670-117 ≣B90Ch Kosice26 Jun 2011
155Obrazek Karel (CZE)1957Loucek Vlastimil ...22290-122 ≣B90Ch Czech Chess Un...
759Ojosnegros Martin...1507Sanchez Romero Ruben17881-020 ≣B90Memorial Oliver G...06 Sep 2012
6O'kelly De Galway...2460Donner Jan-Hein (...24300-122 ≣B90It \
8Olafsson Fridrik ...2434Aaron Manuel (IND)23151-020 ≣B90Izt
675Omariev Maksim (RUS)2316Gordievsky Dmitry...22131-010 ≣B53Ch Moscow (team)18 Dec 2010
519Omoragbon DorisMudongo Boikhutso...19351-023 ≣B90Ch Africa (w)01 Sep 2007
569Onischuk Vladimir...2496Bromberger Stefan...25041-022 ≣B90Memorial M.Najdor...09 Aug 2008
24Orden JClasta L1-020 ≣B90corr.
580Orlandi Stefano (...1965Zenatto Giuliano ...17621-021 ≣B90It (open)22 Oct 2008
321O'Rourke Ray (IRL)2071Holmes Michael (ENG)21500-120 ≣B90It (open) (weekend)
324O'Rourke Ray (IRL)2071Lappage Jonathan ...21680-122 ≣B90It (open)
680Orozco Arango Jai...Plaza Sibaja Osca...1-023 ≣B90Ch Departamental
16Ortega Ruiz Jose ...2266Minic Dragoljub (...23550-122 ≣B90Memorial Em.Lasker
368Ou Chuan Teck KelvinSabar Md Hashim (...21951-021 ≣B90It (open)
279Owocki Jacek (POL)2066Lach Ireneusz (POL)20930-120 ≣B90Ch Poland (team) ...
753Ozer Omer Faruk1755Ioannidis Evgenios19361-023 ≣B90Ch Europe (junior...19 Aug 2012