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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
541Santella Amate Se...Herrera Irisberto...24390-124 ≣B90It (open)
369Larios Crespo Man...2025Herrero H1-021 ≣B90Ch Albacete (qual.)
479Muuss Klaus (GER)2000Hertel Peter (GER)22700-127 ≣B90It (open)
368Rodel WerniHeuer Boris (SUI)21541-022B90It (open)
685Bryson Douglas M ...2350Hilton Stephen (SCO)19671-024 ≣B90Ch Scotland09 Jul 2007
837Brandenburg Daan ...2519Hirneise Jens (GER)22981-028 ≣B90It (open) \07 May 2010
223Ernst Thomas (SWE)2450Hjartarson Johann...25051-026 ≣B90Zt
601Gur Erdal Eren (TUR)2070Hodzic Nihad (BIH)22590-126 ≣B90Cup European Club09 Oct 2004
614Stojic Svetozar (...1978Hoffmann Achim Gu...21531-022 ≣B90Cup Doeberl26 Mar 2005
898Heltzel Joost (NED)2211Hoffmann Michael ...24960-128 ≣B90It (open)
379Yerofeev Sergey (...2359Horst Lotar (GER)1-021 ≣B90World Tournament ...
927Shah Moradi Mohammad2092Hosseinipour Mehd...22571-025 ≣B90Tournament \16 Jul 2012
313Computer \Hoving Michael (NED)21961-028 ≣B90It \
252Wedberg Tom (SWE)2487Huenerkopf Heinz ...22851-017 ≣B90?
197Lobron Eric (GER)2480Hulak Krunoslav (...25301-026 ≣B90It (cat.11)
231Velasquez Manuel ...2260Ibanez1-022 ≣B90It (open)
230Hernandez AIbanez1-020 ≣B90It (open)
504Kotronias Vasilio...2539Ilincic Zlatko (SRB)25631-028 ≣B90Zt
247Tarantino Silvio ...Incelli Renato1-028 ≣B90corr.
44Arbakov Valentin ...2444Ioffe Alexander (...22731-024 ≣B90Match \
758Zivkovic Ivan (SRB)2322Irizanin Radoje (...23390-123 ≣B90Ch Serbia (team) ...22 Sep 2008
174Hakki Imad (SYR)2362Iskov Gert (DEN)23450-126 ≣B90It
859Kozganbayev Erken2206Ismailov Mukhit (...20611-027 ≣B90Tournament (open)22 Aug 2010
518D'Innocente Stefa...2207Isonzo David (ITA)23430-128 ≣B90It (open)
653Durarbeyli Vasif ...2243Ivekovic Zvonimir...20881-026 ≣B90Ch World (juniors...21 Oct 2006
58Mikulcik Ladislav...2245Ivkov Borislav (SRB)24161-020 ≣B90?
66Piuva Matti (FIN)2205Jaderholm Bo (FIN)18791-022 ≣B90?
216Wedberg Tom (SWE)2485Jakobsen Ole (DEN)24351-027 ≣B90Memorial P.Keres
625Czakon Jakub (POL)2477Jakubiec Artur (POL)25291-024 ≣B90It (open)
847Guzik Jan (POL)1623Janiszewski Filip...15781-018B90Tournament (junio...01 Jul 2010
673Bartosik Lech (POL)1898Jaworski Miroslaw...23470-19 ≣B90Ch World (IPCA) (b)15 May 2007
751Relidzynski Tadeu...1996Jaworski Miroslaw...23600-128 ≣B90Ch Poland (for Di...03 Aug 2008
387Krol Alan (POL)2072Jedynak Radoslaw ...24941-020 ≣B90Ch Poland (1/2 fi...
795Kravtsiv Martyn (...2527Jens Jelmer (NED)23561-026 ≣B90It (open)25 Jul 2009
248Wessman Richard (...2423Johansson1-025 ≣B90?
427Celis Gustavo (ARG)2390Juarez Carlos Ele...22301-027 ≣B90It (open)
125Hildebrand Gerald...2160Juhnke Karl (GER)21780-120 ≣B90Ch Germany (team)...
761Kosteniuk Alexand...2525Ju Wenjun (CHN)23971-028 ≣B90World Mindsports ...04 Oct 2008
677Koksch Florian (GER)1864Kabitzke Julian (...18160-125 ≣B90Ch Germany (open)...
871Niehaus Frank (GER)2232Kachibadze Georg ...22720-128 ≣B90It (open) \20 Oct 2010
329FuentesKaibni W1-027 ≣B90It (open)
695Bazeev German (RUS)2163Kalashnikov Pyotr...20351-025 ≣B90Ch St. Petersburg...05 Oct 2007
563Dimitrijevic Alek...2289Kalata Peter (SVK)22410-126 ≣B90Ch Europe (junior...
840Vaseptsov Maxim2197Kalinin Nikita (RUS)20231-023 ≣B90Memorial R.Nezhme...06 Jun 2010
866Pacher Milan (SVK)2449Kalugampitiya R S...20951-021 ≣B90Ch World (univers...05 Sep 2010
886Danin Alexandre (...2545Kalugin Sergei (RUS)24571-024 ≣B90Cup Rector (cat.7)14 Mar 2011
201Gromotka EKaniuth E0-128 ≣B90Europe Tournament...
380Katona Marton (HUN)2200Kanyadi Zoltan (HUN)21171-028 ≣B90Ch Chess Club
239Sasse WKarasek L1-020 ≣B90Europe Tournament...
262Melzer GeorgKarnitzschky M1-025 ≣B90corr.
353Clerides ParisKasoulides Charis1-024 ≣B90Ch Cyprus
234Nunn John D M (ENG)2590Kasparov Garry (RUS)27400-127 ≣B90It \
50Matulovic Milan (...2394Kavalek Lubomir (...25271-026 ≣B90Izt
23Hennings Artur (GER)2260Kavalek Lubomir (...25271-026 ≣B90Olympiad (student...
18Steiner Ulrich A ...2160Kavalek Lubomir (...25270-125 ≣B90Ch World (team) (...18 Jul 1964
139Ziatdinov Raset (...2415Kayumov Dmitry D ...24410-128 ≣B90Ch Uzbekistan
586Apaydin Fethi (TUR)2195Keler Faruk (TUR)21721-024 ≣B90Ch Turkey06 Mar 2004
492Vaindl Jaroslav (...2133Kemmler Michael (...19931-020 ≣B90corr. ICCF
483Farou Fabrice (FRA)2024Kempinski Andre (...21911-025 ≣B90It (open)
645Lee Vicente (CAN)2236Kenney Jason (CAN)21431-027 ≣B90Zt19 Aug 2006
526Luther Thomas (GER)2575Kersten Uwe (GER)23571-016 ≣B90It (open)
490Roeberg Frank (GER)2267Kersten Uwe (GER)23390-126 ≣B90Ch Hessen
616Grabarczyk Bogdan...2472Kersten Uwe (GER)23230-128 ≣B90Ch Hessen
910Eggink Mateusz (POL)2002Kesy Maciej15831-022 ≣B90Tournament (open)
902Tsvetkov Pavel (RUS)2093Khazhipov Timur (...19891-020 ≣B90Cup Governor's18 Aug 2011
357Djonev Svetozar (...2182Khenkin Igor (GER)25700-123 ≣B90It (open)
390Arbakov Valentin ...2570Khenkin Igor (GER)25800-127 ≣B90It \
86Westphal ReinhardKleinsorgen H1-026 ≣B90Europe Tournament...
843Kudela Stanislav ...1965Klement Lukas (CZE)22050-124 ≣B90It (open)15 Jun 2010
901Lanin Alexsej (RUS)2394Klimentiev Sergey...19180-125 ≣B90Memorial M.Botvin...16 Aug 2011
724Sharafiev Azat (RUS)2412Klimov Anton (RUS)24511-023 ≣B90Ch Russia (junior...
300Vaindl Jaroslav (...2133Kloza Jaroslav (CZE)20111-025B90corr.
560Stanec Nikolaus (...2560Knoll Hermann (AUT)23561-027 ≣B90It (cat.7)
921Boehmer Christian...2233Koch Markus (GER)21040-127 ≣B90Oberliga East B 2...15 Apr 2012
321Mroz AntoniKociszewski D1-022 ≣B90corr.
277Fischer Gerd (GER)2102Koemetter Reinhar...19271-020 ≣B90It (open)
549Kurnosov Igor (RUS)2477Kokarev Dmitry (RUS)25041-027 ≣B90It (a)
550Lastin Alexander ...2636Kokarev Dmitry (RUS)25041-024 ≣B90Memorial M.Chigor...
501Abergel Thal (FRA)2279Kokorev Dmitry (RUS)0-125 ≣B90Ch World (juniors...
128Prochaska PKolbas Walrath1-022 ≣B90It \
437Rodriguez AlbaKolev Atanas (BUL)25300-127 ≣B90It (open)
934Barzanu Iulian (ROM)2222Kolev Atanas (BUL)26041-024 ≣B90Memorial Kesarovs...09 Sep 2012
823Filev Georgi (BUL)2370Kolev Atanas (BUL)25711-028 ≣B90Ch Bulgaria (1/2 ...30 Jan 2010
331Bak VictorKolwak M1-027 ≣B90Ch Poland (corr.)
661Spraggett Kevin (...2580Komljenovic Davor...24711-021 ≣B90It (open)11 Jan 2007
97MaederKondratiev DN1-025 ≣B90World Tournament ...
515Kurnosov Igor (RUS)2424Konnov Oleg (RUS)23370-127 ≣B90Ch Ural
264Kokkila Tero (FIN)2330Kopsa Petri (FIN)20761-018 ≣B90It (open)
849Zimmermann Julian...2281Kopylov Mihail (UKR)24461-024 ≣B90It \14 Jul 2010
13Minic Dragoljub (...2355Korchnoi Viktor (...25561-024 ≣B90Match \
10Gipslis Aivars (LAT)2429Korchnoi Viktor (...25561-022 ≣B90Ch URS
436Schaefer Martin (...1978Kordonowski Frank...20340-127 ≣B90VK2 1996/97
274Moilanen OlliKorhonen0-125 ≣B90Ch Finland (team)
604Draz Andrey (RUS)Korolev Dmitry (RUS)16640-127 ≣B90Ch Central Region...09 Nov 2004
548Solyomvari Roxann...1974Kosa Gergely (HUN)20551-025 ≣B90It (open)
376Wacker Peter (GER)2270Koscielski Janus ...23661-022B90It (open) \
819Cizinsky Petr2062Kosek Marek19651-021 ≣B90Czech League 2009...13 Dec 2009
219Siroky MKoskinen Pertti1-028 ≣B90Europe Tournament...
38Willberg Stig-OlofKoskinen Usko1-025 ≣B80?
485Fojudzki Marcin (...2131Kosmowski Przemys...21761-025 ≣B90Ch Poland (team) ...