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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
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.
179Oosterhoff JThierry R0-123 ≣B90corr.
395Oparin Grigoriy (...2350Kovtunenko Alexan...21661-020 ≣B90It \06 May 2009
343Op Den Kelder Jor...2222Grondsma1-023 ≣B90It (b)
398Orozco Luz Elena ...2118Rivera Ingris (COL)21690-123 ≣B90Ch Colombia (w)07 Jun 2009
389Orozco Luz Elena ...1990Calderon Karen Li...19501-024 ≣B90Sub-zt (w)30 Nov 2008
285Orriols Miro Clar...2091Martinez Gonzalez...20671-024 ≣B90Ch Spain (juniors...
484Ortiz Isam (CUB)2493Barrientos Sergio...24541-022 ≣B90Cup Latinoamerica...07 Oct 2012
242Oudejans Martin (...1855Termeulen Albert ...22450-124 ≣B90It (open)
397Palka Dominika (POL)1596Hoang Nghia Le (POL)14461-023 ≣B90Tournament (Elo) \26 May 2009
245Pallova Martina (...2199Cvikl Michal (CZE)20231-016 ≣B90It (open)
464Panades Catarineu...Romero Gamez Fco ...0-122 ≣B90Tournament (juniors)06 Sep 2011
361Pancevski Filip (...2340Gjorgjiev Goce (MKD)21471-024 ≣B90Ch Macedonia (team)29 Jul 2007
115Pannullo UAmovilli Mauro (ITA)22500-119 ≣B90corr.
1Paoli Enrico (ITA)2300Tolush Alexander ...0-123 ≣B90
298Pascual Genoves M...2105Hidalgo Carlos (ARG)1-024 ≣B90Ch Spain (team) (...
42Patelli Alessandr...2169Venturi1-023 ≣B90corr.
479Pedersen Christop...2041Svanholm Borge Wa...19051-020 ≣B90It \04 Aug 2012
4Peltonen UskoLampela Olavi0-119 ≣B90?
153Persson Borje (SWE)1947Roxendal Bengt0-123 ≣B90Ch Sweden (corr.)
209Petrovic Petar (SRB)2260Vlasak Reinhard (...20950-124 ≣B90It (open)
43Piccirillo LVoltolini Luigi (...1-023 ≣B90corr.
128Pinkas Karol (POL)2320Joviczyk1-020 ≣B90?
33Pioch Zygmunt (POL)2123Pytel Krzysztof (...23900-123 ≣B90Ch Poland
111Pirisi Gabor (HUN)2249Lazic Dragoljub (...22951-023 ≣B90It (open)
247Piscopo Pierluigi...2373Rivara Massimo (ITA)18341-022 ≣B90It (open)
331Plantet Marc (FRA)2057Legrix Jean-Marie...19241-023 ≣B90It (open)30 Apr 2005
453Poetsch Hagen (GER)2401Chandler Patrick ...21711-019 ≣B90Ch City (open)16 May 2011
217Ponnath Lorenz (GER)2093Ahmels Christian21251-024 ≣B90Ch Mittelfranken
21Potzsch AlbinHajek Jan (CZE)22261-024 ≣B90World Tournament ...
280Predojevic Borki ...2352Baramidze David (...23351-019 ≣B90Ch Europe (junior...
139Prie Eric (FRA)2435Scassola1-020 ≣B90It (open) (2)
332Prochazka Petr (CZE)2011Braun Marek (CZE)21291-021B90It (open)03 Aug 2005
420Puentes Gabriel F...Ruiz Joshua0-119 ≣B90Tournament (junio...11 Apr 2010
205Pyhala Antti (FIN)2345Pukkila Markku (FIN)21951-017 ≣B90It (open)
27Radulov Ivan (BUL)2490Al Jasani22001-024 ≣B90Olympiad
320Ragnoni Alessandr...2086Casale Antonio18441-021 ≣B90It (open)09 Jul 2004
47Rakowiecki Tomasz...2334Krych W22001-024 ≣B90Ch Poland (team)
409Ralys Vincas (LTU)1868Rasulo Stefano (ITA)17941-019 ≣B90Ch Europe (junior...07 Sep 2009
436Ram Aravind1682Iniyan P (IND)15341-022 ≣B90Ch World (juniors...24 Oct 2010
131RandolfiHotting Arend1-021 ≣B90corr.
283Ranieri Fabrizio ...2169Lucchese Paolo (ITA)19241-019 ≣B90It (open) (a)
28Rantanen Yrjo A (...2400Denman Brian (SCO)22301-020 ≣B90Olympiad
318Rause Olita (LAT)2232Hefka Vladimir (SVK)19761-020 ≣B90Ch World (corr.) ...01 Jun 2004
325Rautio ReijoManninen Harri0-116 ≣B90Ch Finland (team)...09 Oct 2004
251Recchia FredericFortin Jean (FRA)18731-024 ≣B90It (open) (b)
99Reinert Mads (DEN)2260Schandorff Lars (...22751-021 ≣B90Tournament (2)
67Repp Heinrich (GER)2106Wallenberg Arne0-123 ≣B90Europe Tournament...
171RevtovVlassov Nikolai (...24260-124 ≣B90It (b)
410Revunov MikhailBelous Mikhail0-124 ≣B90Ch Ukraine (junio...06 Oct 2009
94Riccio RodolfoVetrano G1-021 ≣B90Ch Italy
255Rigamonti Stefano...2116Rota Luca1-021 ≣B90Ch City
143Righi Egio (SMR)2097O'Neill Paul22350-120 ≣B23Olympiad
170Rink Christian (GER)2119Wagner Thomas1-021 ≣B90It (open)
91Ritter KlausEkmark Raimo1-016 ≣B90Europe Tournament...
328Rmus Anto (MNE)2359Djuric Goran1-023 ≣B90It (open)04 Dec 2004
377Robles Sanchez Da...1867Pruja Ramirez De ...21310-123 ≣B90Ch Catalunia (jun...19 Mar 2008
48Rodriguez Amador ...2441Camps R1-024 ≣B90It (b)
326Rodriguez Perez J...2112Mazario Moran Jesus1-021 ≣B90Tournament (regio...
380Rojas Barrero And...2236Mateus Alejandro ...21921-024 ≣B90Tournament (open)02 Jun 2008
52Rota AntonelloRatti1-023 ≣B90corr.
441Rudd Jack (ENG)2251Neverov Valeriy (...25190-119 ≣B90It (open) (masters)28 Dec 2010
299Rudd Jack (ENG)2171Truman Richard G ...18831-020 ≣B90It (open)
98Rush J (PNG)2205Grassi Enrico (SMR)20271-024B90Olympiad
401Samsonkin Artem (...2403Me Kevin (CAN)21451-018 ≣B90It \16 Jul 2009
272Sandoval Liliana ...Ortiz Alejandra (...1-020 ≣B90Ch Central Americ...
414Santiago Yago De ...2252Alves De Medeiros...19961-024 ≣B90Memorial R.Fische...22 Jan 2010
124SardellaVaccari0-121 ≣B90Cup Silli (corr.)
444Sari Yasin (TUR)1824Yuksel Hasan15281-020 ≣B90Ch Antalya (open)08 Jan 2011
333Sauvadet Herve (FRA)2057Smits Benjamin (NED)19071-024 ≣B90It (open)04 Aug 2005
10Schmidt HGKuntz V1-024 ≣B90corr.
145Schneppensieper T...2195Stuermer Markus19651-023 ≣B90Ch Mittelfranken
221Schreiber Edwin (...2078Hitzgerova Gabrie...21250-123 ≣B90It (open)
117Schumi Manfred (AUT)2202Wohlmannstetter1-024 ≣B90?
259Schweizer Robert ...2033Krasinski Jerzy R...0-123 ≣B90Ch World (seniors)
64Selke HorstSchwibbe Rudolf1-022 ≣B90corr.
12SemashevZhuravliov Valeri...23910-122 ≣B90Zt (play-off)
7Seuss Oswald (AUT)2205Neni1-020 ≣B90It
302Sherman Robert (CAN)1832Henry Liam (CAN)21521-014 ≣B90Memorial Bernard ...
291Simek Petr (CZE)2138Vymazal Bronislav...20501-024 ≣B90Ch Czech Republic...
480Skripka Nikita1916Cannesar Rad17541-021 ≣B90Ch Europe (junior...23 Aug 2012
20Smith Derek (IRL)2125Lightfoot Michael J0-124 ≣B90It (open)