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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
343Kubitza GeorgKos Sebastian (GER)22081-018 ≣B90Ch NRW (juniors) ...
9Cvetkovic Srdjan ...2406Kovac Boris (SLO)23201-028 ≣B90Tournament
224Ueter Heinz-Diete...2187Krings Christoph ...21921-026 ≣B90Bundesliga 1984/85
144Kroener Otto (GER)1987Krueger Heiner (GER)20801-021 ≣B90corr.
456Drei Andrea (ITA)2340Krupkova Petra (CZE)23150-123 ≣B90It (open)
781Shabalov Alexande...2580Krush Irina (USA)24581-024 ≣B90Ch USA16 May 2009
475Zakharov Valentin...2400Kulikov Aleksandr...23931-027 ≣B90Ch Moscow
137Schwieger ClausKunselmann0-124 ≣B90?
349Sanko SKusinski B1-023 ≣B90Ch Poland (corr.)
425Kazarova Irina (RUS)2175Kuznetsova Elena ...21561-027 ≣B90Cup Russia (open)
176Kenworthy Gary (ENG)2297Kwiatkowski Felik...22411-025 ≣B90?
884Adamczewski Jedrz...1820Kwiatkowski Wikto...19290-128 ≣B90Ch Poland (team) ...26 Feb 2011
742Simon Olivier (FRA)2376Lafrechoux Lauren...19190-126 ≣B90It (open)20 Jul 2008
207Mustelin JuhaniLaine Erkki (FIN)1-028 ≣B90?
29Prodanovic MilijanLakovljevic1-017 ≣B90Ch Yugoslavia (co...
702Darazs Zoltan (HUN)2256Lantos Attila (HUN)20041-014 ≣B90Tournament (Elo) (a)04 Nov 2007
811Aguilo Pons Franc...1929Lechado Artigues ...20950-116 ≣B90Ch Spain29 Sep 2009
132Tatai Stefano (ITA)2455Lederman Leon (ISR)24051-025 ≣B90It
654Wawrzaszek Jason ...1991Lee Marvin (USA)19190-119 ≣B90It (open)05 Nov 2006
46Burnett LPLee Peter N (ENG)23900-128 ≣B90Ch Great Britain
21Reynolds David BLee Peter N (ENG)23900-123 ≣B90Ch Great Britain
290Schulte-Bartold C...2280Lehmann Holger (GER)21871-022 ≣B90It (open)
808Wu Xibin (CHN)2353Le Quang Liem (VIE)26020-127 ≣B90It (open)18 Sep 2009
26Jimenez Eleazar (...2365Letelier Rene (CHI)21511-021 ≣B90Ch Pan-American
683Valdman Jan (CZE)1811Lexa Vaclav (CZE)19420-121 ≣B90It (open)07 Jul 2007
306Wang Lei (CHN)2484Lhagvasuren Ceden...22281-027 ≣B90It (open)
925Kyrkjebo ErlendLien Kjell Hakon1-022B90Ch Norway (kl. ju...11 Jul 2012
258Medeiros MarneLima B1-020 ≣B90corr.
488Wellington FranciscoLima Neto Pedro0-128 ≣B90Ch Cearense
489Magalhaes SamuelLima Neto Pedro0-128 ≣B90It (open)
344Hartman Brian (CAN)2388Lim Robert1-025B90It (open)
647Tayar Jonathan (CAN)2214Livshits Ron (CAN)23551-023 ≣B90Zt21 Aug 2006
810Kazakos Emmanouil...1981Li William1-026 ≣B90Olympiad (under 16)28 Sep 2009
226Timman Jan H (NED)2640Ljubojevic Ljubom...26151-022 ≣B90It (cat.14)
712Principe Alexande...1897Llacsahuanga Dieg...18101-025 ≣B90Memorial Jose Mar...22 Jan 2008
292Anderson Selby K ...2210Lobo Richard (ENG)22511-023 ≣B90It (active)
244Walther ErnstLoeffler Werner0-123 ≣B90corr.
414Fejzullahu Afrim ...2255Loginov Valery A ...25250-123 ≣B90It (open)
295Kunze Markus (AUT)2179Loginov Valery A ...24860-128 ≣B90It (open) \
513Galt Aleksey (RUS)2168Lomakin A1-027 ≣B90Ch Russia (students)
582Petrossian Armen ...2329Lopez Gracia Fern...23421-025 ≣B53Ch France (team) ...06 Dec 2003
860Petras Marian (SVK)1767Lukac Tomas (SVK)19800-125 ≣B90It (open)25 Aug 2010
180Radev Nikolai (BUL)2304Lukov Valentin (BUL)24200-123 ≣B90Ch Bulgaria
763Szefer Michal (POL)2065Luksik Mateusz (POL)21580-125 ≣B90Tournament (Elo) \10 Oct 2008
251Schiller Eric (USA)2109MacArthur John (USA)20351-021 ≣B90It (open)
656Zambrana Oswaldo ...2427Macias Murillo Br...22161-023 ≣B90Memorial J.Capabl...21 Nov 2006
561Fernandez De Pabl...2222Madina Martin (ARG)22740-117 ≣B90It (open)
524Tsverava AlexandreMagalashvili Davi...21650-126 ≣B90Ch Georgia (junio...
605Sulskis Sarunas (...2555Magalashvili Davi...23891-024 ≣B90Memorial T.Petros...27 Nov 2004
555Sanikidze Tornike...2168Maglaperidze Grig...20961-027 ≣B90Ch Georgia (junio...08 Feb 2002
774Mascarenhas Alber...2206Maia Marco Aureli...21361-028 ≣B90Tournament (open)04 Apr 2009
95Dahlhaus Friedhel...2100Maier Thomas1-017 ≣B90corr.
668Sammalvuo Tapani ...2464Maki Veijo (FIN)24051-022 ≣B90Ch Finland (team)...10 Mar 2007
721Bjarnason Saevar ...2219Malisauskas Vidma...24790-126 ≣B90It (open)11 Mar 2008
928Grota Mateusz (POL)1815Malisauskas Vidma...24600-124 ≣B90Ch City (open)22 Jul 2012
438Darazs Zoltan (HUN)2127Manafov Ilkin (AZE)21271-028 ≣B90It (open) \
439Semenova Irina (RUS)2280Manafov Ilkin (AZE)21271-026 ≣B90It (open) \
440Sklavounos Panayo...1992Manouvelos Evange...20031-024 ≣B90Ch Piraeus
351Curtacci Sergio (...2034Mantyla Risto1-027 ≣B90World Tournament ...
160Brat VacslavMarcinkiewicz Jan0-124 ≣B90Ch World (corr.) ...
877Lecic Predrag (SRB)2156Marinkov Svetisla...19391-028 ≣B90It (open)26 Nov 2010
98Henao Raul Fernan...2386Marjanovic Slavol...24680-128 ≣B90Ch World (juniors)
70Djukic Zeljko (SRB)2399Marjanovic Slavol...24681-028 ≣B90?
235Kosanovic Goran A...2362Marjanovic Slavol...25150-126 ≣B90Ch Yugoslavia
267Subasic Ilijas (BIH)2279Marjanovic Slavol...25050-125 ≣B90It
287Nowak StanislavMarkiewicz Maria1-020 ≣B90Memorial Jadasza ...
398Spice Alan (WLS)2125Marley Justin C (...20351-021 ≣A00Ch Wales
699Lecic Predrag (SRB)2089Martic Nemanja (SRB)21640-126 ≣B90Ch Belgrade (team...17 Oct 2007
285Litovicius Miguel...2226Martinez Acosta Pedr1-026 ≣B90Memorial Ellerman...
96Garcia Palermo Ca...2488Martinez Carlos A...25011-014 ≣B50Ch Argentina
448Martins Carlos (BRA)2305Martinez Carlos A...24250-127 ≣B90Ch Paulista
697Perez Orelvis (CUB)2421Martinez Escriban...20271-026 ≣B90It (open)10 Oct 2007
672Castellanos Renie...2471Martinez Lozano M...22031-024 ≣B90It (open)07 Apr 2007
140Hass JMartinez Puigros Ric1-028 ≣B90corr.
575Bokros Albert (HUN)2456Matejovic Juraj (...22040-128 ≣B90Ch Slovakia (team...
183Sevo Dusan (SRB)2268Matkovic Tonci (CRO)23021-027 ≣B90It (open)
2Grabczewski Romua...2275Matkowski Wiktor22001-021 ≣B90Ch Poland
825Dobrowolski Piotr...2399Matuszewski Micha...23611-015 ≣B90It (open)11 Feb 2010
762De Dovitiis Alejo...2347Maucci Marcelo (ARG)19591-026 ≣B90It \10 Oct 2008
778Xia Jie (ITA)2206Mautone Valerio (...21251-025 ≣B90Ch Italy (team)02 May 2009
909Ssegwanyi A (UGA)Mawanda Michael1-024 ≣B90Ch Uganda
802Pac Maciej (POL)1830Mazalon Mariusz (...21670-127 ≣B90It (open) (b)20 Aug 2009
410Dahlhaus Friedhel...2100Mazurkiewicz Kazi...20961-023 ≣B90Ch Region (seniors)
597Damia Angelo (ITA)2118Mazzilli Piero (ITA)23120-125 ≣B90It (open)11 Jul 2004
319Cooke Eric (USA)2148McDonald James (ENG)20150-127 ≣B90It (open)
660Stojic Dusan (AUS)2193McNamara Gary (AUS)20841-024 ≣B90It (open)02 Jan 2007
659Fedec John (AUS)2029McNamara Gary (AUS)21400-119 ≣B90It (open)30 Dec 2006
101Buisman AlbertMeddeler H1-014 ≣B90Ch Netherlands (c...
736Venkatesh M R (IND)2468Meera Sai (IND)21541-027 ≣B90It (open)26 Jun 2008
786Bradler Stephan (...2061Meissner Felix (GER)20991-025 ≣B90Ch Germany (junio...06 Jun 2009
100Petrik Karol (SVK)2082Meissner Hans-Jue...22490-126 ≣B90Match \
545Kokarev Dmitry (RUS)2504Melkozerov Dmitry...23901-026 ≣B90Cup Russia (open)
787Hernandez Moya Yu...2111Mena Crespo Carlo...23421-023 ≣B90Memorial J.Capabl...18 Jun 2009
688Hasberger Walter ...1913Mencinger Vojko (...23810-127 ≣B90It (open)11 Aug 2007
602Zeleznik Alojz (SLO)2280Mencinger Vojko (...23430-120 ≣B90Ch Slovenia (team...05 Nov 2004
333Rosinski ZenonMendys S1-024 ≣B90Ch Poland (corr.)
868Taube Gregor (NOR)1926Menezes Christoph...20401-023 ≣B90Ch Europe (junior...23 Sep 2010
317Perez Orelvis (CUB)2451Menvielle Lacourr...22611-022 ≣B90It (open)
556Kruppa Dominik (SVK)2091Meszaros Michal (...23090-117 ≣B90Ch Slovakia (juni...25 Feb 2002
350Wilk BronislawaMichalski Rafael0-122 ≣B90Ch Poland (corr.)