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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
800Melia Salome (GEO)2441Stiri Alexandra (...21631-023 ≣B90It (open) \10 Aug 2009
641Medina Ricardo (HON)2052Rajapakse Mudiyan...1-027 ≣B90Olympiad02 Jun 2006
258Medeiros MarneLima B1-020 ≣B90corr.
12Mazzoni Guy (FRA)2191Simonovic Borko1-022 ≣B90?
772Maze Sebastien (FRA)2546Papadopoulos I (GRE)24441-020 ≣B90Ch Europe14 Mar 2009
50Matulovic Milan (...2394Kavalek Lubomir (...25271-026 ≣B90Izt
869Matthews Shane (JAM)2227Seegolam Pradeep ...20401-021 ≣B90Olympiad25 Sep 2010
774Mascarenhas Alber...2206Maia Marco Aureli...21361-028 ≣B90Tournament (open)04 Apr 2009
448Martins Carlos (BRA)2305Martinez Carlos A...24250-127 ≣B90Ch Paulista
585Martin Perez Javi...2232Pereira Figueroa ...20971-021 ≣B90It (open)18 Feb 2004
481Martin Gonzalez A...2422Calaf Rellver Gui...22501-028 ≣B53It (open)
449Martinez Valero JVilarrasa Grabulo...21770-122B90It (open)
208Martinez Noel (CUB)2186Vera Reynaldo (CUB)24400-121 ≣B90?
527Martinez Martinez...2178Atienza Jesus1-027 ≣B90It (open)
146Martin Andrew D (...2399Nunn John D M (ENG)25000-121 ≣B90?
497Marquez AlbertoRestrepo Alejandro1-021 ≣B90Ch Antioquia
162Marotz HJRaymaekers Rene0-119B90Europe Tournament...
630Marie Maxime (FRA)2152Eklund Kari (FIN)22281-028 ≣B90Ch Finland (team)...12 Nov 2005
6Maric Rudolf (YUG)2450Gligoric Svetozar...24470-120 ≣B90It
715Marasli Tutku Kah...2192Akyuz Alpdogan (TUR)18861-027 ≣B90Ch Antalya (open)04 Feb 2008
113Mantyniemi JaakkoRintamaki Lauri1-025 ≣B90?
733Mantler Hendrik (...2168Gustain Marc (GER)20641-020B90Ch Germany (junio...04 Jun 2008
836Manoch MauriceGoudriaan Etienne...0-119 ≣B90Ch Netherlands (j...04 May 2010
374Manik Mikulas (SVK)2370Stohl Igor (SVK)25601-028 ≣B53It (open)
577Manescu Tiberiu (...2333Nemeth Francisc (...24030-119 ≣B53It (cat.2)
446Manescu Tiberiu (...2402Shanava Konstanti...25620-117 ≣B90Ch Europe (junior...
298Manduch Milan (SVK)2200Mitov Borislav (BUL)20921-017 ≣B90Europe Tournament...
794Mamedov Rauf (AZE)2645Cernousek Lukas (...24311-028 ≣B53It \23 Jul 2009
173Malyszko AHallier Karl Hein...1-028 ≣B90Europe Tournament...
643Malykh Kristina (...1985Doroshenko Diana ...20531-020 ≣B53Ch MinPros (g)
473Mali MihaGruskovnjak Tomis...22270-121 ≣B90It (open)
325MaksimovicBogic Stevan (SRB)22021-023 ≣B90corr.
225Maki Veijo (FIN)2365Hansen Curt (DEN)25000-125 ≣B90It
882Maiorov Daniel (GER)1980Quaschner Tobias ...19890-120 ≣B90Ch Germany (junio...27 Dec 2010
679Maiorov Daniel (GER)1874Rafiee Makan (GER)21481-023 ≣B90Ch Germany (junio...13 Jun 2007
769Maidanova Irina (...1892Sidorchuk Roman (...21750-128 ≣B90Memorial T.Petros...
150Mahia Gustavo (ARG)2386Quinteros Miguel ...25151-028 ≣B90It \
489Magalhaes SamuelLima Neto Pedro0-128 ≣B90It (open)
97MaederKondratiev DN1-025 ≣B90World Tournament ...
812Mack Thomas Dr (GER)2055Schenk Andreas (GER)25090-127 ≣B90It (open)03 Oct 2009
168Machado Hermes A ...2310Sunye Neto Jaime ...24861-020 ≣B90Ch Brazil
822Macek Kamil (CZE)1961Ter-Karapetian Ar...21191-021 ≣B90It (open) (b)13 Jan 2010
534Ly Hong Nguyen (VIE)2316Duong The Anh (VIE)22431-027 ≣B90It (open)
529Luther Thomas (GER)2575Vouldis Angelos (...25401-027 ≣B90Olympiad
663Luther Thomas (GER)2534Ftacnik Lubomir (...25531-024 ≣B90Bundesliga 2006/0704 Feb 2007
386Luther Thomas (GER)2510Touzane Olivier (...23201-019 ≣B90It
526Luther Thomas (GER)2575Kersten Uwe (GER)23571-016 ≣B90It (open)
839Luther Thomas (GER)2545Thapa I B (IND)17821-026 ≣B90Cup Mayor's (open)02 Jun 2010
662Lupor Stefan (GER)2293El Moumen Younes ...22551-023 ≣B90NRW Klasse 2 2006/0728 Jan 2007
42Lukjanenko Alexan...2375Sakharov Yuri N (...24750-128 ≣B90Ch \
54Lukianenko Evgeni...2250Sakharov Yuri N (...24750-122 ≣B90?
444Lozano Martin Fra...Garcia Garcia Miguel1-023 ≣B90Tournament \
119Losev Dmitry (RUS)2326Doroshkievich Vla...24250-122 ≣B90Ch URS (qual)
315Loschi EAlaimo Riccardo (...21951-022 ≣B90Match
516Lorand Philippe (...2141Murey Jacob (ISR)24750-123 ≣B90Ch Paris (open)
233Lopez De Lerma Ru...2003Roiz Baztan David...22820-125 ≣B90Ch Asturias (pref...
383Loman JelmarBakker Sven (NED)22170-125B90It (open) (junior...
345Loehn Carsten (GER)2180Roeder Mathias (GER)24051-025 ≣B90It (open)
197Lobron Eric (GER)2480Hulak Krunoslav (...25301-026 ≣B90It (cat.11)
108Litvinov Viktor (...2052Valiev Neron (TKM)22010-121 ≣B40Olympiad URS
285Litovicius Miguel...2226Martinez Acosta Pedr1-026 ≣B90Memorial Ellerman...
143Lindroos RaimoVirtanen Kauko1-024 ≣B90?
105Lindroos RaimoSchellhorn Wolfga...21771-023 ≣B90?
130Ligterink Gert (NED)2430Geller Efim P (RUS)25900-125 ≣B90It (cat.11)
687Lie Kjetil A (NOR)2563Bulski Krzysztof ...24211-026 ≣B53It (open) \27 Jul 2007
693Li Chao (CHN)2548Sandipan Chanda (...25931-025 ≣B90Ch Asia28 Sep 2007
149Liberzon Vladimir...2545Gruenfeld Yehuda ...24550-128 ≣B90?
861Leysa Ferdinand (...1991Nolte Rolando (PHI)24250-121 ≣B90Cup Prospero A Pi...26 Aug 2010
62Levitina Irina S ...2405Semenova Lidia K ...22090-127 ≣B90Ch URS (team)
166Levchenkov Vitaly...2260Zilberstein David...25001-027 ≣B90Ch URS (1/2 final)
358Leuw Micha (NED)2249Van Wely Loek (NED)25850-122 ≣B90It (open)
606Le Thi Phuong Lie...2249Nguyen Thi Thanh ...23451-024 ≣B90Ch Vietnam (w)30 Nov 2004
242Lembidakis Konsta...Urpilainen Erkki1-024 ≣B21?
511Leko Peter (HUN)2739Anand Viswanathan...27700-125 ≣B90It \
192Leisebein PeterNeubauer Ralf Dr ...20371-021 ≣B90corr.
243Leisebein PeterSchlupeck Helmut1-025 ≣B90corr.
645Lee Vicente (CAN)2236Kenney Jason (CAN)21431-027 ≣B90Zt19 Aug 2006
639Lee Marvin (USA)1919Parsons M19461-022 ≣B90It (open)27 May 2006
665Lee Marvin (USA)1932Aveskulov Valeriy...25450-126 ≣B53It (open)17 Feb 2007
877Lecic Predrag (SRB)2156Marinkov Svetisla...19391-028 ≣B90It (open)26 Nov 2010
699Lecic Predrag (SRB)2089Martic Nemanja (SRB)21640-126 ≣B90Ch Belgrade (team...17 Oct 2007
22Leban Slavko (SRB)2400Buljovcic Ivan (SCG)23010-126 ≣B90Tournament
550Lastin Alexander ...2636Kokarev Dmitry (RUS)25041-024 ≣B90Memorial M.Chigor...
369Larios Crespo Man...2025Herrero H1-021 ≣B90Ch Albacete (qual.)
558Laquini Bernardo ...1790Schmidt Osmar Rau...18750-127 ≣B90Tournament (final)30 Nov 2002
593Lanneau Bertrand ...2173Verspecht Thierry...21201-026 ≣B90Tournament (Elo)07 May 2004
901Lanin Alexsej (RUS)2394Klimentiev Sergey...19180-125 ≣B90Memorial M.Botvin...16 Aug 2011
122Lang HerbertHallier Karl Hein...1-021 ≣B90corr.
468Langer Michael (USA)2253Endsley Barry E1-022 ≣B90It (open) \
482Lafont De Sentena...2274Constantin David ...20830-126 ≣B90It (open)
116LacavallaBalasso1-022 ≣B90corr.
925Kyrkjebo ErlendLien Kjell Hakon1-022B90Ch Norway (kl. ju...11 Jul 2012
413Kviatkovska Zuzan...2018Stepanovic Branis...19951-020B90Ch Slovakia (open)
607Kutzner Stephen (...2077Schoen Ralf Dr (GER)21970-119 ≣B90It (open)29 Dec 2004
515Kurnosov Igor (RUS)2424Konnov Oleg (RUS)23370-127 ≣B90Ch Ural
549Kurnosov Igor (RUS)2477Kokarev Dmitry (RUS)25041-027 ≣B90It (a)
638Kuran Avelino (AUT)2046Azad Razik (AUT)21521-027 ≣B90Ch Austria (junio...09 Apr 2006
222Kupreichik Viktor...2490Szekely Peter (HUN)24301-027 ≣B90It (cat.9)
295Kunze Markus (AUT)2179Loginov Valery A ...24860-128 ≣B90It (open) \
135Kunerth Werner Eb...Schonherr W0-125 ≣B90Europe Tournament...