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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
471Tseitlin Mark D (...2496Deutsch Eyal (ISR)21711-022 ≣B90Ch Israel (team)
472Vuckovic Bojan (SRB)2433Colovic Aleksanda...24231-027 ≣B90It (cat.8)
473Mali MihaGruskovnjak Tomis...22270-121 ≣B90It (open)
475Zakharov Valentin...2400Kulikov Aleksandr...23931-027 ≣B90Ch Moscow
477Fernandez Eric (CUB)2290Pulido Ariel (CUB)22671-019 ≣B90Cup Santa Clara
478Braun Marton (HUN)2113Suto Gabor (HUN)22321-018B90Ch Sarospatak
479Muuss Klaus (GER)2000Hertel Peter (GER)22700-127 ≣B90It (open)
482Lafont De Sentena...2274Constantin David ...20830-126 ≣B90It (open)
483Farou Fabrice (FRA)2024Kempinski Andre (...21911-025 ≣B90It (open)
484Guseinov Gadir (AZE)2421Gadjily Raouf (AZE)24130-123 ≣B90Ch Azerbaijan (te...
485Fojudzki Marcin (...2131Kosmowski Przemys...21761-025 ≣B90Ch Poland (team) ...
486Ramirez DiegoRenteria Jorge (COL)22710-123 ≣B90It (open)
487Dzjuba Vsevolod (...2279Vaulin Alexander ...25520-121 ≣B90It (open)
488Wellington FranciscoLima Neto Pedro0-128 ≣B90Ch Cearense
489Magalhaes SamuelLima Neto Pedro0-128 ≣B90It (open)
491Krebs JuergenChun Eng Terry Toh1-011 ≣B90corr. ICCF
492Vaindl Jaroslav (...2133Kemmler Michael (...19931-020 ≣B90corr. ICCF
493Hoffmann Matej (CZE)2091Boleslav Petr (CZE)21191-022 ≣B90It (open)
494Padeiro Jose (POR)2188Guerra Joao1-024B90It (open)
495Angamarca Angamar...2051Caro Bermudez Eri...21310-114 ≣B90Ch Pan-American (...
496Sanchez Raul (CUB)2161Paramos Dominguez...24390-127 ≣B90It (open)
497Marquez AlbertoRestrepo Alejandro1-021 ≣B90Ch Antioquia
498Cardin GuillaumePneumonidis Pante...20840-120 ≣B90It (open)
499Diepeveen Vincent...2254Bosch Jeroen (NED)24050-127 ≣B90Ch Netherlands (t...
500Guseinov Gadir (AZE)2421Areshchenko Alexa...23280-124 ≣B90Ch World (juniors...
502Perez Luis Manuel...2381Castro Luaces Jos...21531-024 ≣B90It (open)
503Tchalimian Pascal...2059Nekam Karl (AUT)21121-023 ≣B90Ch Paris (open)
504Kotronias Vasilio...2539Ilincic Zlatko (SRB)25631-028 ≣B90Zt
505Dlauchy Peter (HUN)2016Molnar Marton (HUN)19921-023 ≣B90It (open)
506Meszaros Tamas (HUN)2216Guld Attila (HUN)20971-018 ≣B90Ch Hungary (junio...15 Apr 2000
507Jansen Dirk (GER)2130Zimmermann Hendri...20891-028 ≣B90It (open)
508Shushvar Vitaly (...2207Czuchnicki Jan (POL)20551-019 ≣B90Memorial Em.Laske...
509Pavlovic Milos (SRB)2488Roschina Tatiana ...23001-026 ≣B90It (open)
510Scacco Mauro (ITA)2044Timar Zsolt (HUN)21840-124 ≣B90Tournament (IECG)
511Leko Peter (HUN)2739Anand Viswanathan...27700-125 ≣B90It \
512Rojas AndresCuartas Carlos (COL)23071-024 ≣B90Ch Colombia
513Galt Aleksey (RUS)2168Lomakin A1-027 ≣B90Ch Russia (students)
515Kurnosov Igor (RUS)2424Konnov Oleg (RUS)23370-127 ≣B90Ch Ural
516Lorand Philippe (...2141Murey Jacob (ISR)24750-123 ≣B90Ch Paris (open)
517Balkiewicz Elzbie...2094Wojtaszek Radosla...22850-120 ≣B90It (open)
518D'Innocente Stefa...2207Isonzo David (ITA)23430-128 ≣B90It (open)
520Hector Jonny (SWE)2528Soderberg Per (SWE)22511-027 ≣B90Ch Sweden (team) ...
521Zenklusen Rico (SUI)2240Patuzzo Fabricio ...23181-022 ≣B90Ch Switzerland (t...
522Khruschiov Alexey...2402Vaulin Alexander ...25481-021 ≣B90Cup Russia (open)
524Tsverava AlexandreMagalashvili Davi...21650-126 ≣B90Ch Georgia (junio...
525Meszaros Tamas (HUN)2364Solti Laszlo (HUN)20951-025B90Cup Tenkes (open)19 Nov 2001
526Luther Thomas (GER)2575Kersten Uwe (GER)23571-016 ≣B90It (open)
527Martinez Martinez...2178Atienza Jesus1-027 ≣B90It (open)
528Hamdouchi Hichem ...2615Bologan Viktor (MDA)26301-026 ≣B90It (cat.14)
529Luther Thomas (GER)2575Vouldis Angelos (...25401-027 ≣B90Olympiad
531Felipe Marcos A (...Pena Dieguez Manu...20840-121 ≣B90Ch Spain (juniors...
532Ballester Alexand...2068Monteau Luc (FRA)22240-128 ≣B90Ch France (team) ...
534Ly Hong Nguyen (VIE)2316Duong The Anh (VIE)22431-027 ≣B90It (open)
535Rohonyan Katerina...2332Zhao Xue (CHN)24280-128 ≣B90Ch World (juniors...
536Yanayt Eugene (USA)2061Sutovsky Emil (ISR)26510-118 ≣B90Ch ICC (blitz) (f...
537Vasquez Rodrigo (...2481Shipov Sergei (RUS)26040-124 ≣B90It \
538Mikhalichenko Vla...2234Zubov Oleksander ...23290-125 ≣B90Ch Ukraine (junio...
539Zubov Oleksander ...2329Areshchenko Alexa...25660-125 ≣B90Ch Ukraine (junio...
540Kotronias Vasilio...2573Froehlich Peter (...24211-028 ≣B90It (open)
541Santella Amate Se...Herrera Irisberto...24390-124 ≣B90It (open)
542Pruess David (USA)2346Shahade Gregory (...24520-127 ≣B90Tournament \
543Kravchenko Leonid...2061Delorme Axel (FRA)20711-022 ≣B90Ch Europe (junior...
544Quinta Daniel (POR)2084Wanderley Rafaell...21080-125 ≣B90Ch Portugal (juni...
545Kokarev Dmitry (RUS)2504Melkozerov Dmitry...23901-026 ≣B90Cup Russia (open)
548Solyomvari Roxann...1974Kosa Gergely (HUN)20551-025 ≣B90It (open)
549Kurnosov Igor (RUS)2477Kokarev Dmitry (RUS)25041-027 ≣B90It (a)
550Lastin Alexander ...2636Kokarev Dmitry (RUS)25041-024 ≣B90Memorial M.Chigor...
551Simacek Pavel (CZE)2420Vojtek Vladimir (...22781-028 ≣B90It (open)
552Wu Howard (CAN)2185Steininger Gavin ...19861-024 ≣B90Memorial P.Keres ...
553Gelencser Jozsef ...2118Dombai Istvan (HUN)22070-125B90It (open)05 Jan 2002
554Nevanlinna Risto ...2343Roeder Mathias (GER)24421-09 ≣B90It (open)15 Jan 2002
555Sanikidze Tornike...2168Maglaperidze Grig...20961-027 ≣B90Ch Georgia (junio...08 Feb 2002
556Kruppa Dominik (SVK)2091Meszaros Michal (...23090-117 ≣B90Ch Slovakia (juni...25 Feb 2002
557Sanikidze Tornike...2168Shanava Konstanti...24060-122 ≣B90Ch Georgia (junio...21 Mar 2002
558Laquini Bernardo ...1790Schmidt Osmar Rau...18750-127 ≣B90Tournament (final)30 Nov 2002
559Silveira Sergio R...2083Osorio Jose Eusta...20491-028 ≣B90Tournament (final)07 Dec 2002
560Stanec Nikolaus (...2560Knoll Hermann (AUT)23561-027 ≣B90It (cat.7)
561Fernandez De Pabl...2222Madina Martin (ARG)22740-117 ≣B90It (open)
562Kosteniuk Alexand...2508Dvoirys Semen I (...26151-025 ≣B90It (open)
563Dimitrijevic Alek...2289Kalata Peter (SVK)22410-126 ≣B90Ch Europe (junior...
564Milher AlbertoCuberli Emiliano ...21360-128 ≣B90It (open)
565Christensen Henri...2126Busk Casper (DEN)21071-020 ≣B90It (open) \
567Monsieux Cyril (FRA)2187Delorme Axel (FRA)21851-020 ≣B90Ch France (junior...
568White Kevin (ENG)2043Battaggia Piergio...20761-022 ≣B90It (open)
569Edwards MartinGrant Alan (SCO)22060-128 ≣B90It (open)
600Baikova Irina (RUS)2039Nechepurenko Roma...23530-121 ≣B90Memorial Kopylov ...
570Krejci Jan (CZE)1719Sobek Jaroslav (CZE)23210-127 ≣B90It (open)
571Schindler Jonas (...1940Becker Martin (GER)22410-120 ≣B90It (open)
572Trkaljanov Vladim...2235Berlinsky Vladimi...23471-025 ≣B90It \
573Petrossian Armen ...2329Piquemal Christia...20541-025 ≣B90It (open)
574Hansen Torbjorn R...2328Senff Martin (GER)24300-127 ≣B90It (open)
576Zakar Dora (HUN)1954Somodi Balazs (HUN)21090-127 ≣B90It (open)
578Huynh Mai Phuong ...2128Bui T Mai Tram (VIE)1-025 ≣B90Ch Vjetnam (junio...
581Terletsky Oleg (UKR)2176Pilipenko Andrey ...22390-127 ≣B90Ch Ukraine (junio...03 Dec 2003
583Carlsen Magnus (NOR)2581Popov Valerij (RUS)25831-026 ≣B90It (cat.9)
584Huisman Hugues (FRA)2082Delacotte Bruno (...21181-022 ≣B90It (open)15 Feb 2004
585Martin Perez Javi...2232Pereira Figueroa ...20971-021 ≣B90It (open)18 Feb 2004
586Apaydin Fethi (TUR)2195Keler Faruk (TUR)21721-024 ≣B90Ch Turkey06 Mar 2004
587Velasquez Cesar (...2310Valenzuela Fuente...24150-124 ≣B90It (cat.9)27 Mar 2004
588Fedoseev Sergey (...2225Fayzrakhmanov Gen...1-026 ≣B90Ch Russia (junior...