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Sicilian, Najdorf, 7...Qb6 including Poisoned Pawn Variation 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6

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
365Persson Borje (SWE)1947Persson Conny0-128 ≣B90Ch Sweden (corr.)
391Perez Pastora Eva...2180Pazo R0-115 ≣B90Tournament
697Perez Orelvis (CUB)2421Martinez Escriban...20271-026 ≣B90It (open)10 Oct 2007
317Perez Orelvis (CUB)2451Menvielle Lacourr...22611-022 ≣B90It (open)
719Perez Luis Manuel...2521Naranjo Moreno An...22741-026 ≣B90It (open)26 Feb 2008
502Perez Luis Manuel...2381Castro Luaces Jos...21531-024 ≣B90It (open)
905Perez Gormaz Matias2188Olivares Olivares...22031-025 ≣B90Tournament (open)14 Sep 2011
919Perez Fernando David1692Zuleta Juan Esteban18030-124 ≣B90Ch Department (ju...23 Mar 2012
199Pellant Timothy (...2265Wong Phil20841-018 ≣B90It \
384Pax Horst Dr (GER)2146Puth Dieter (GER)21710-117 ≣B90Ch Reinland
509Pavlovic Milos (SRB)2488Roschina Tatiana ...23001-026 ≣B90It (open)
726Pavlenko Alexandr...2169Akkozov Berik (KAZ)22570-123 ≣B53Ch Kazakhstan21 Apr 2008
232Paulucci NestorRiccio Ernesto1-021 ≣B90Ch Argentina (corr.)
447Pascute BruceGonzalez De Cima ...0-125 ≣B90Tournament
217Parodi PedroCranbourne Carlos...22611-027 ≣B90corr.
16Parma Bruno (SLO)2480Ramirez Guerrero ...20361-025 ≣B90?
187Papudzinski HenrykHaller Christoph ...21951-023 ≣B90Europe Tournament...
894Papakonstantinou ...1809Pauloy Dimitrios-...17321-018 ≣B90Ch Greece (junior...25 Jun 2011
155Palomaki PekkaSchlupeck Helmut1-026 ≣B90?
61Palmiotto Fiorent...2104Scalisi Salvatore1-028 ≣B90?
36Pahta PenttiSaily Frans1-019 ≣B90?
35Pahta PenttiMolarius Reijo (FIN)1-028 ≣B90?
396Pagnoncelli Marco...2121Battaggia Piergio...20430-128 ≣B90It (open)
494Padeiro Jose (POR)2188Guerra Joao1-024B90It (open)
802Pac Maciej (POL)1830Mazalon Mariusz (...21670-127 ≣B90It (open) (b)20 Aug 2009
866Pacher Milan (SVK)2449Kalugampitiya R S...20951-021 ≣B90Ch World (univers...05 Sep 2010
674Osswald Luis (GER)1965Siebarth Raiko (GER)22460-117 ≣B90Ch Germany (junio...20 May 2007
299Oppici Gabriele (...1964Rolle Hannes1-024 ≣B90World Tournament ...
178Onime IAlzate Dario (COL)23650-127 ≣B90Olympiad
885Oms Fuentes Lluis...2314Gardela Batlle Jo...22021-023 ≣B90Ch Catalunia (tea...05 Mar 2011
807Omarsson Dadi (ISL)2091Vukcevic Nemanja ...19961-025 ≣B90Ch Europe (junior...09 Sep 2009
261Olszewski WStoklas Vincent1-08 ≣B28Europe Tournament...
15Olsson Ake (SWE)2255Burehall Arne1-026 ≣B90Ch Sweden
615Olsen Andrei (NOR)1811Bjerke Silje (NOR)21330-122 ≣B53It (open)26 Mar 2005
723Oliveira Silvio E...2345Quiroga Facundo (...23351-018 ≣B90It (a)26 Mar 2008
270Olbrisch Manfred ...2063Paulus H1-025 ≣B90corr.
320Oim Tonu (EST)Prada Rubin Ferna...21691-022 ≣B90It (active)
608Oertel David (GER)2013Seiler Sascha (GER)20540-122B90Ch Germany (junio...29 Dec 2004
294Obad ANovikov Igor A (USA)25000-125 ≣B90?
234Nunn John D M (ENG)2590Kasparov Garry (RUS)27400-127 ≣B90It \
195Nunn John D M (ENG)2590Helmers Knut J (NOR)24651-025 ≣B90It (cat.12)
287Nowak StanislavMarkiewicz Maria1-020 ≣B90Memorial Jadasza ...
85Noria Joaquin (ESP)2305Thannheiser Thoma...22521-027 ≣B90Ch Europe (team) ...
465Noirot Florent (FRA)2096Delalande Thierry...21361-016 ≣B90It (open)
798Nithander Victor ...2422Ruecker Benjamin ...22581-024 ≣B90It (open)29 Jul 2009
385Nina Miguel (PER)2298Robledo Manuel (PER)22060-127 ≣B90Ch Peru (1/2 final)
51Nilsson Sven (SWE)Geller Efim P (RUS)24550-120 ≣B90It
43Nikitin Yury MHajkin1-025 ≣B90Ch URS
765Nigmatov OrtikElistratov Semen1-020 ≣B90Ch World (juniors...30 Oct 2008
579Niering Martin (GER)2198Feige Manuel (GER)23690-128 ≣B53Oberliga East A 2...09 Mar 2003
871Niehaus Frank (GER)2232Kachibadze Georg ...22720-128 ≣B90It (open) \20 Oct 2010
646Nguyen Anh Dung (...2541Zakaria Fairin (MAS)22251-026 ≣B90It (open)21 Aug 2006
554Nevanlinna Risto ...2343Roeder Mathias (GER)24421-09 ≣B90It (open)15 Jan 2002
714Nesterovsky Alex ...2249Alexikov Alexande...23711-027 ≣B90Tournament \
913Nepomucky Ondrej ...2234Sobek Jaroslav (CZE)22671-021 ≣B90Ch Czech Republic...11 Dec 2011
912Nemeth Miklos (HUN)2452Sandhoefner Flori...22051-018 ≣B90Bundesliga B Mitt...03 Dec 2011
445Naxakis Theodoros...Askarov Marat (RUS)24940-117 ≣B90Ch Europe (junior...
428Nataf Igor-Alexan...2440Akesson Ralf (SWE)25201-023 ≣B90It (cat.10)
372Namyslo Holger (GER)2245Astengo Corrado (...21801-028 ≣B90It (open)
266Namyslo Holger (GER)2228Ott Frank (GER)23130-125 ≣B90Ch Baden-Wuerttem...
670Nadeev Sergey (RUS)2325Voronin Nikita (RUS)21051-022 ≣B90Ch Central Region25 Mar 2007
479Muuss Klaus (GER)2000Hertel Peter (GER)22700-127 ≣B90It (open)
207Mustelin JuhaniLaine Erkki (FIN)1-028 ≣B90?
903Musialkiewicz Jan...2150Obrusnik Michal (...22551-024 ≣B90It (open) \27 Aug 2011
159Murey Jacob (ISR)2429Pinter Jozsef (HUN)25350-126 ≣B90Olympiad
88Multala AntonSchwibbe Rudolf1-025 ≣B90?
210MullingRudolph W1-022 ≣B90corr.
59Muller Hans (AUT)Delplancq P1-027 ≣B90corr.
327Mudrochova Helena...2080Slekys Emilis (LTU)23060-124 ≣B90It (open) \
412Mudrochova Helena...2080Tokos Jozef (SVK)19990-128 ≣B90Slovak League (2n...
321Mroz AntoniKociszewski D1-022 ≣B90corr.
156Morris Walter D (...2380Fedder Steen (DEN)24100-123 ≣B90Ch Cleveland
151Morris Walter D (...2380Poulsen Allan (DEN)23500-123 ≣B90It (open)
112Morgado Juan J (ARG)2219Rolle Hannes1-028 ≣B90World Tournament ...
63Morgado Juan J (ARG)2219Ravizza Luis1-023 ≣B90corr.
609Moranda Wojciech ...2458Carstensen Jacob ...23111-026B90It (open)29 Dec 2004
394Moore Harry (CAN)2283Anderson Renard (...22280-124 ≣B90Memorial P.Keres ...
567Monsieux Cyril (FRA)2187Delorme Axel (FRA)21851-020 ≣B90Ch France (junior...
424Monakhov S S (RUS)2132Filippov N1-019 ≣B90Ch Moscow (open)
328Moldovan Daniel (...2436Bouaziz Slim (TUN)23380-121 ≣B90It
34Molarius Reijo (FIN)Harju Antero1-016 ≣B90?
352Molarius Reijo (FIN)Nagel Herbert (AUT)21071-020 ≣B90?
25Molarius Reijo (FIN)Multala Anton0-125 ≣B90?
274Moilanen OlliKorhonen0-125 ≣B90Ch Finland (team)
773Mkrtchian Lilit (...2467Romanko-Guseva Ma...24471-028 ≣B90Ch Europe (w)19 Mar 2009
13Minic Dragoljub (...2355Korchnoi Viktor (...25561-024 ≣B90Match \
621Minakov VitaliyShvydchenko Sergey0-128 ≣B90Memorial Sakharov...13 Jul 2005
900Milosevic Jovana ...1767Milosavljevic Mil...18960-127 ≣B90Ch Serbia (junior...07 Aug 2011
564Milher AlbertoCuberli Emiliano ...21360-128 ≣B90It (open)
58Mikulcik Ladislav...2245Ivkov Borislav (SRB)24161-020 ≣B90?
538Mikhalichenko Vla...2234Zubov Oleksander ...23290-125 ≣B90Ch Ukraine (junio...
914Mihajlov Svetosla...2101Nwachukwu Chino (...19711-027 ≣B90It (open) \02 Feb 2012
717Meurs Tom (NED)2110Paulet Iosefina (...23070-127 ≣B90It (open)16 Feb 2008
525Meszaros Tamas (HUN)2364Solti Laszlo (HUN)20951-025B90Cup Tenkes (open)19 Nov 2001
506Meszaros Tamas (HUN)2216Guld Attila (HUN)20971-018 ≣B90Ch Hungary (junio...15 Apr 2000
926Mesaros Florian (...2036Recklingloh Frank...21880-126 ≣B90It (open)12 Jul 2012
338Mendoza V Oscar EPerez S Juan Fran...0-120 ≣B90Tournament (qual)
262Melzer GeorgKarnitzschky M1-025 ≣B90corr.
193MelzerVokler1-024 ≣B90corr.
72Melnick PBurrows Daniel1-023 ≣B90corr.