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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
292Anderson Selby K ...2210Lobo Richard (ENG)22511-023 ≣B90It (active)
712Principe Alexande...1897Llacsahuanga Dieg...18101-025 ≣B90Memorial Jose Mar...22 Jan 2008
226Timman Jan H (NED)2640Ljubojevic Ljubom...26151-022 ≣B90It (cat.14)
810Kazakos Emmanouil...1981Li William1-026 ≣B90Olympiad (under 16)28 Sep 2009
647Tayar Jonathan (CAN)2214Livshits Ron (CAN)23551-023 ≣B90Zt21 Aug 2006
344Hartman Brian (CAN)2388Lim Robert1-025B90It (open)
488Wellington FranciscoLima Neto Pedro0-128 ≣B90Ch Cearense
489Magalhaes SamuelLima Neto Pedro0-128 ≣B90It (open)
258Medeiros MarneLima B1-020 ≣B90corr.
925Kyrkjebo ErlendLien Kjell Hakon1-022B90Ch Norway (kl. ju...11 Jul 2012
306Wang Lei (CHN)2484Lhagvasuren Ceden...22281-027 ≣B90It (open)
683Valdman Jan (CZE)1811Lexa Vaclav (CZE)19420-121 ≣B90It (open)07 Jul 2007
26Jimenez Eleazar (...2365Letelier Rene (CHI)21511-021 ≣B90Ch Pan-American
808Wu Xibin (CHN)2353Le Quang Liem (VIE)26020-127 ≣B90It (open)18 Sep 2009
290Schulte-Bartold C...2280Lehmann Holger (GER)21871-022 ≣B90It (open)
46Burnett LPLee Peter N (ENG)23900-128 ≣B90Ch Great Britain
21Reynolds David BLee Peter N (ENG)23900-123 ≣B90Ch Great Britain
654Wawrzaszek Jason ...1991Lee Marvin (USA)19190-119 ≣B90It (open)05 Nov 2006
132Tatai Stefano (ITA)2455Lederman Leon (ISR)24051-025 ≣B90It
811Aguilo Pons Franc...1929Lechado Artigues ...20950-116 ≣B90Ch Spain29 Sep 2009
702Darazs Zoltan (HUN)2256Lantos Attila (HUN)20041-014 ≣B90Tournament (Elo) (a)04 Nov 2007
29Prodanovic MilijanLakovljevic1-017 ≣B90Ch Yugoslavia (co...
207Mustelin JuhaniLaine Erkki (FIN)1-028 ≣B90?
742Simon Olivier (FRA)2376Lafrechoux Lauren...19190-126 ≣B90It (open)20 Jul 2008
884Adamczewski Jedrz...1820Kwiatkowski Wikto...19290-128 ≣B90Ch Poland (team) ...26 Feb 2011
176Kenworthy Gary (ENG)2297Kwiatkowski Felik...22411-025 ≣B90?
425Kazarova Irina (RUS)2175Kuznetsova Elena ...21561-027 ≣B90Cup Russia (open)
349Sanko SKusinski B1-023 ≣B90Ch Poland (corr.)
137Schwieger ClausKunselmann0-124 ≣B90?
475Zakharov Valentin...2400Kulikov Aleksandr...23931-027 ≣B90Ch Moscow
781Shabalov Alexande...2580Krush Irina (USA)24581-024 ≣B90Ch USA16 May 2009
456Drei Andrea (ITA)2340Krupkova Petra (CZE)23150-123 ≣B90It (open)
144Kroener Otto (GER)1987Krueger Heiner (GER)20801-021 ≣B90corr.
224Ueter Heinz-Diete...2187Krings Christoph ...21921-026 ≣B90Bundesliga 1984/85
9Cvetkovic Srdjan ...2406Kovac Boris (SLO)23201-028 ≣B90Tournament
343Kubitza GeorgKos Sebastian (GER)22081-018 ≣B90Ch NRW (juniors) ...
485Fojudzki Marcin (...2131Kosmowski Przemys...21761-025 ≣B90Ch Poland (team) ...
38Willberg Stig-OlofKoskinen Usko1-025 ≣B80?
219Siroky MKoskinen Pertti1-028 ≣B90Europe Tournament...
819Cizinsky Petr2062Kosek Marek19651-021 ≣B90Czech League 2009...13 Dec 2009
376Wacker Peter (GER)2270Koscielski Janus ...23661-022B90It (open) \
548Solyomvari Roxann...1974Kosa Gergely (HUN)20551-025 ≣B90It (open)
604Draz Andrey (RUS)Korolev Dmitry (RUS)16640-127 ≣B90Ch Central Region...09 Nov 2004
274Moilanen OlliKorhonen0-125 ≣B90Ch Finland (team)
436Schaefer Martin (...1978Kordonowski Frank...20340-127 ≣B90VK2 1996/97
10Gipslis Aivars (LAT)2429Korchnoi Viktor (...25561-022 ≣B90Ch URS
13Minic Dragoljub (...2355Korchnoi Viktor (...25561-024 ≣B90Match \
849Zimmermann Julian...2281Kopylov Mihail (UKR)24461-024 ≣B90It \14 Jul 2010
264Kokkila Tero (FIN)2330Kopsa Petri (FIN)20761-018 ≣B90It (open)
515Kurnosov Igor (RUS)2424Konnov Oleg (RUS)23370-127 ≣B90Ch Ural
97MaederKondratiev DN1-025 ≣B90World Tournament ...
661Spraggett Kevin (...2580Komljenovic Davor...24711-021 ≣B90It (open)11 Jan 2007
331Bak VictorKolwak M1-027 ≣B90Ch Poland (corr.)
823Filev Georgi (BUL)2370Kolev Atanas (BUL)25711-028 ≣B90Ch Bulgaria (1/2 ...30 Jan 2010
437Rodriguez AlbaKolev Atanas (BUL)25300-127 ≣B90It (open)
934Barzanu Iulian (ROM)2222Kolev Atanas (BUL)26041-024 ≣B90Memorial Kesarovs...09 Sep 2012
128Prochaska PKolbas Walrath1-022 ≣B90It \
501Abergel Thal (FRA)2279Kokorev Dmitry (RUS)0-125 ≣B90Ch World (juniors...
550Lastin Alexander ...2636Kokarev Dmitry (RUS)25041-024 ≣B90Memorial M.Chigor...
549Kurnosov Igor (RUS)2477Kokarev Dmitry (RUS)25041-027 ≣B90It (a)
277Fischer Gerd (GER)2102Koemetter Reinhar...19271-020 ≣B90It (open)
321Mroz AntoniKociszewski D1-022 ≣B90corr.
921Boehmer Christian...2233Koch Markus (GER)21040-127 ≣B90Oberliga East B 2...15 Apr 2012
560Stanec Nikolaus (...2560Knoll Hermann (AUT)23561-027 ≣B90It (cat.7)
300Vaindl Jaroslav (...2133Kloza Jaroslav (CZE)20111-025B90corr.
724Sharafiev Azat (RUS)2412Klimov Anton (RUS)24511-023 ≣B90Ch Russia (junior...
901Lanin Alexsej (RUS)2394Klimentiev Sergey...19180-125 ≣B90Memorial M.Botvin...16 Aug 2011
843Kudela Stanislav ...1965Klement Lukas (CZE)22050-124 ≣B90It (open)15 Jun 2010
86Westphal ReinhardKleinsorgen H1-026 ≣B90Europe Tournament...
390Arbakov Valentin ...2570Khenkin Igor (GER)25800-127 ≣B90It \
357Djonev Svetozar (...2182Khenkin Igor (GER)25700-123 ≣B90It (open)
902Tsvetkov Pavel (RUS)2093Khazhipov Timur (...19891-020 ≣B90Cup Governor's18 Aug 2011
910Eggink Mateusz (POL)2002Kesy Maciej15831-022 ≣B90Tournament (open)
490Roeberg Frank (GER)2267Kersten Uwe (GER)23390-126 ≣B90Ch Hessen
616Grabarczyk Bogdan...2472Kersten Uwe (GER)23230-128 ≣B90Ch Hessen
526Luther Thomas (GER)2575Kersten Uwe (GER)23571-016 ≣B90It (open)
645Lee Vicente (CAN)2236Kenney Jason (CAN)21431-027 ≣B90Zt19 Aug 2006
483Farou Fabrice (FRA)2024Kempinski Andre (...21911-025 ≣B90It (open)
492Vaindl Jaroslav (...2133Kemmler Michael (...19931-020 ≣B90corr. ICCF
586Apaydin Fethi (TUR)2195Keler Faruk (TUR)21721-024 ≣B90Ch Turkey06 Mar 2004
139Ziatdinov Raset (...2415Kayumov Dmitry D ...24410-128 ≣B90Ch Uzbekistan
23Hennings Artur (GER)2260Kavalek Lubomir (...25271-026 ≣B90Olympiad (student...
50Matulovic Milan (...2394Kavalek Lubomir (...25271-026 ≣B90Izt
18Steiner Ulrich A ...2160Kavalek Lubomir (...25270-125 ≣B90Ch World (team) (...18 Jul 1964
234Nunn John D M (ENG)2590Kasparov Garry (RUS)27400-127 ≣B90It \
353Clerides ParisKasoulides Charis1-024 ≣B90Ch Cyprus
262Melzer GeorgKarnitzschky M1-025 ≣B90corr.
239Sasse WKarasek L1-020 ≣B90Europe Tournament...
380Katona Marton (HUN)2200Kanyadi Zoltan (HUN)21171-028 ≣B90Ch Chess Club
201Gromotka EKaniuth E0-128 ≣B90Europe Tournament...
886Danin Alexandre (...2545Kalugin Sergei (RUS)24571-024 ≣B90Cup Rector (cat.7)14 Mar 2011
866Pacher Milan (SVK)2449Kalugampitiya R S...20951-021 ≣B90Ch World (univers...05 Sep 2010
840Vaseptsov Maxim2197Kalinin Nikita (RUS)20231-023 ≣B90Memorial R.Nezhme...06 Jun 2010
563Dimitrijevic Alek...2289Kalata Peter (SVK)22410-126 ≣B90Ch Europe (junior...
695Bazeev German (RUS)2163Kalashnikov Pyotr...20351-025 ≣B90Ch St. Petersburg...05 Oct 2007
329FuentesKaibni W1-027 ≣B90It (open)
871Niehaus Frank (GER)2232Kachibadze Georg ...22720-128 ≣B90It (open) \20 Oct 2010
677Koksch Florian (GER)1864Kabitzke Julian (...18160-125 ≣B90Ch Germany (open)...
761Kosteniuk Alexand...2525Ju Wenjun (CHN)23971-028 ≣B90World Mindsports ...04 Oct 2008
125Hildebrand Gerald...2160Juhnke Karl (GER)21780-120 ≣B90Ch Germany (team)...