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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
17Zuckerman Bernard...2455Steinmeyer Robert1-022 ≣B90Ch Manhattan Ches...
539Zubov Oleksander ...2329Areshchenko Alexa...25660-125 ≣B90Ch Ukraine (junio...
228Zubieta RomuloSarlat Felix1-025 ≣B90Ch World (team) (...
758Zivkovic Ivan (SRB)2322Irizanin Radoje (...23390-123 ≣B90Ch Serbia (team) ...22 Sep 2008
849Zimmermann Julian...2281Kopylov Mihail (UKR)24461-024 ≣B90It \14 Jul 2010
895Ziaziulkina Nasta...2296Tahaoglu Ugur Bar...18551-026 ≣B90Ch Turkey (team) ...09 Jul 2011
139Ziatdinov Raset (...2415Kayumov Dmitry D ...24410-128 ≣B90Ch Uzbekistan
265Ziatdinov Raset (...2365Gochev Mladen (BUL)22531-023 ≣B90Ch Bulgaria
521Zenklusen Rico (SUI)2240Patuzzo Fabricio ...23181-022 ≣B90Ch Switzerland (t...
602Zeleznik Alojz (SLO)2280Mencinger Vojko (...23430-120 ≣B90Ch Slovenia (team...05 Nov 2004
334Zaremba Artur (POL)2133Stachanczyk S1-024 ≣B90Memorial Czerniak...
213Zanetti Alberto (...2167Capuano Ruggiero ...21701-015 ≣B90corr.
656Zambrana Oswaldo ...2427Macias Murillo Br...22161-023 ≣B90Memorial J.Capabl...21 Nov 2006
475Zakharov Valentin...2400Kulikov Aleksandr...23931-027 ≣B90Ch Moscow
405Zakharov Valentin...2424Nevostrujev Vladi...24100-126 ≣B90It (open)
576Zakar Dora (HUN)1954Somodi Balazs (HUN)21090-127 ≣B90It (open)
820Zahn Benno (GER)1964Schnoor Ekkehard ...19971-024 ≣B90Ch Germany (junio...27 Dec 2009
416Yoos John C (CAN)2335Haessel Dale R (CAN)22251-018 ≣B90It (open)
845Yilmaz Mustafa (TUR)2482Vural Ozge (TUR)18871-018B90Ch Turkey (team)30 Jun 2010
379Yerofeev Sergey (...2359Horst Lotar (GER)1-021 ≣B90World Tournament ...
696Yeo Michael J (ENG)2153Gibbs Dominic V (...20120-125 ≣B90It (open)06 Oct 2007
865Yee Soon Wei (BRU)2303Nayan Ahmad Fadzi...20481-028 ≣B90It (open)04 Sep 2010
536Yanayt Eugene (USA)2061Sutovsky Emil (ISR)26510-118 ≣B90Ch ICC (blitz) (f...
778Xia Jie (ITA)2206Mautone Valerio (...21251-025 ≣B90Ch Italy (team)02 May 2009
741Wyss Jonas (SUI)2211Roelli Sabrina (SUI)20051-024B90Ch Switzerland (o...11 Jul 2008
808Wu Xibin (CHN)2353Le Quang Liem (VIE)26020-127 ≣B90It (open)18 Sep 2009
552Wu Howard (CAN)2185Steininger Gavin ...19861-024 ≣B90Memorial P.Keres ...
803Wrobel Maciej (POL)1883Wiechowski Lukasz1-020 ≣B90It (open) (b)22 Aug 2009
141Wittmann Walter (...2300Groiss Werner (AUT)20471-027 ≣B90Ch Austria
241Wittmann Walter (...2415Roshkov VV0-120 ≣B90Europe Tournament...
842Will Dominik (GER)2023Raykhman Alexande...23890-125 ≣B90Ch Germany (junio...14 Jun 2010
39Willberg Stig-OlofPahta Pentti1-018 ≣B90?
38Willberg Stig-OlofKoskinen Usko1-025 ≣B80?
350Wilk BronislawaMichalski Rafael0-122 ≣B90Ch Poland (corr.)
348WhiteyVerney K0-122 ≣B90Ch Great Britain ...
568White Kevin (ENG)2043Battaggia Piergio...20761-022 ≣B90It (open)
680White E Michael (...1979Briscoe Christoph...22730-126 ≣B90It (open)17 Jun 2007
86Westphal ReinhardKleinsorgen H1-026 ≣B90Europe Tournament...
41Westerinen Heikki...2340O'kelly De Galway...24601-028 ≣B90Memorial J.Capabl...
248Wessman Richard (...2423Johansson1-025 ≣B90?
476Werner Daniel (GER)2030Balcerak Philipp ...20460-127B90Ch Germany (junio...
488Wellington FranciscoLima Neto Pedro0-128 ≣B90Ch Cearense
252Wedberg Tom (SWE)2487Huenerkopf Heinz ...22851-017 ≣B90?
216Wedberg Tom (SWE)2485Jakobsen Ole (DEN)24351-027 ≣B90Memorial P.Keres
654Wawrzaszek Jason ...1991Lee Marvin (USA)19190-119 ≣B90It (open)05 Nov 2006
393Watson FaridAnderson Renard (...22280-125 ≣B90It (open) \
339Wantiez Fabrice (...2355Roeder Mathias (GER)23950-119 ≣B90It (open)
306Wang Lei (CHN)2484Lhagvasuren Ceden...22281-027 ≣B90It (open)
244Walther ErnstLoeffler Werner0-123 ≣B90corr.
296Waglorz Janusz (POL)2208Borkowski Francis...24050-125 ≣B90Ch Poland (team)
40Wade Robert G (ENG)2148O'kelly De Galway...24600-126 ≣B90It
376Wacker Peter (GER)2270Koscielski Janus ...23661-022B90It (open) \
755Vymazal Bronislav...2337Trichkov Vasil (CZE)23440-121 ≣B53It (b)23 Aug 2008
469Vuckovic Bojan (SRB)2433Novikov Igor A (USA)26141-027 ≣B90It (open)
472Vuckovic Bojan (SRB)2433Colovic Aleksanda...24231-027 ≣B90It (cat.8)
804Vucinic Gojko (SRB)1937Milosavljevic Mar...18481-028 ≣B90It (open)26 Aug 2009
648Vovk Yuri (UKR)2444Aliavdin Nikolai ...23711-022 ≣B90It (open) \30 Aug 2006
435Vouldis Angelos (...2430Paunovic Tomislav...23651-023 ≣B90It (open)
834Vos TjarkBeerdsen Thomas0-127 ≣B90Ch Netherlands (j...01 May 2010
431Volkmann Friedric...2395Danner Georg (AUT)24151-024 ≣A04Memorial Elekes (a)
766Vocaturo Daniele ...2383Aleksic Nenad (MNE)20141-016 ≣B90It (open)22 Dec 2008
777Vlasak Lukas (CZE)2177Poloch Petr (CZE)22740-124 ≣B90Cup KFP (cat.3)12 Apr 2009
48Vitolins Alvis (LAT)2435Gutman Lev (GER)24501-024 ≣B90?
205Vitahlius EWittmann1-023 ≣B90Europe Tournament...
749Videnova Iva (BUL)2182Savova Stefka (BUL)21161-022B90Ch Bulgaria (w) (...
904Videnova Iva (BUL)2353Milosavljevic Mil...18811-028B90Ch Serbia (team P...27 Aug 2011
145Vetter Herbert (GER)2215Andre1-024 ≣B90Ch Germany (team)...
736Venkatesh M R (IND)2468Meera Sai (IND)21541-027 ≣B90It (open)26 Jun 2008
231Velasquez Manuel ...2260Ibanez1-022 ≣B90It (open)
587Velasquez Cesar (...2310Valenzuela Fuente...24150-124 ≣B90It (cat.9)27 Mar 2004
256Veerman Johan (NED)2172Van Der Wiel John...25700-122 ≣B90It (thematic)
752Vavric Pavel (MDA)2216Aswin Jayaram (IND)24370-121 ≣B90Ch World (juniors...04 Aug 2008
537Vasquez Rodrigo (...2481Shipov Sergei (RUS)26040-124 ≣B90It \
840Vaseptsov Maxim2197Kalinin Nikita (RUS)20231-023 ≣B90Memorial R.Nezhme...06 Jun 2010
745Van Opheusden Bas...2156Ootes Lars (NED)22101-022 ≣B90Ch Netherlands (o...25 Jul 2008
767Van Der Wiel John...2501Van Assendelft Fl...22531-028 ≣B90It (open)26 Dec 2008
218Van Der Wiel John...2520Quinteros Miguel ...25251-020 ≣B90Izt (cat.12)
182Van Der Wiel John...2515Ftacnik Lubomir (...25351-023 ≣B53It (cat.7)
255Van Der Tuuk Jaap...2218Timman Jan H (NED)26200-119 ≣B90It (thematic)
312Van Der Kleij CarelSzulmistrat Egon1-026 ≣B90World Tournament ...
330Valinis GPalatnik Semon (USA)24480-122 ≣B29It (sheveningen)
683Valdman Jan (CZE)1811Lexa Vaclav (CZE)19420-121 ≣B90It (open)07 Jul 2007
300Vaindl Jaroslav (...2133Kloza Jaroslav (CZE)20111-025B90corr.
492Vaindl Jaroslav (...2133Kemmler Michael (...19931-020 ≣B90corr. ICCF
797Ulvnes Roar (NOR)1997Sander Jean Louis1-024 ≣B90It (open)27 Jul 2009
908Ulusoy Nisan (TUR)1646Coetzee Ryan1-028 ≣B90Olympiad (under 16)26 Oct 2011
224Ueter Heinz-Diete...2187Krings Christoph ...21921-026 ≣B90Bundesliga 1984/85
889Tvarijonas Povila...2309Vaitonis Vytautas...20401-022 ≣B90Ch Lithuania25 Apr 2011
722Tsydypov Zhamsara...1995Bodak Artem (RUS)19051-018B90Ch SibFO 16 Mar 2008
902Tsvetkov Pavel (RUS)2093Khazhipov Timur (...19891-020 ≣B90Cup Governor's18 Aug 2011
524Tsverava AlexandreMagalashvili Davi...21650-126 ≣B90Ch Georgia (junio...
632Tsomis Dimitrios ...2186Vlahos Athanasios...20111-025 ≣B90Ch Piraeus16 Nov 2005
471Tseitlin Mark D (...2496Deutsch Eyal (ISR)21711-022 ≣B90Ch Israel (team)
572Trkaljanov Vladim...2235Berlinsky Vladimi...23471-025 ≣B90It \
27Tringov Georgi P ...2379Palmason Gudmundu...22701-023 ≣B90Olympiad
20Tringov Georgi P ...2379Fischer Robert J ...27800-122 ≣B90Memorial J.Capabl...
131Tratatovici Moise...2265Urzica Aurel (ROM)23900-127 ≣B90Ch Romania
127Tratatovici Moise...2265Urzica Aurel (ROM)23900-126 ≣B90Ch Romania
360TrancartRoeder Mathias (GER)24050-125 ≣B90It (open) (2)
366Tosic TomislavAndersson Mats (SWE)23281-022 ≣B90Ch Sweden (team)