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Nimzo-Indian, Sämisch Variation, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

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
195Schreiber Hans (GER)1981Reinhardt W (GER)1-037 ≣E20Europe Tournament...
665Schroer Marcel (NED)2128Tjiam Dharma (NED)23810-135 ≣E20It (open)30 May 2009
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
494Segura Ariza Jose...2181Munoz Agullo Jose...22891-040 ≣E20XVI Obert Es Vermar
660Sesma Rubio Patxi...2128Mascaro March Ped...23820-135 ≣E20Ch Spain (team) (...01 May 2009
639Shamima Akter Liz...2094Misovic Sanja (MNE)19371-025 ≣E20Ch World (juniors...05 Aug 2008
428Shariyazdanov And...2588Brumen Dinko (CRO)23601-032 ≣E20Ch Croatia (team)...
723Shatko Danil (ESP)2097Ayas Fernandez An...22860-136 ≣E20Ch Catalunia (tea...05 Mar 2011
765Shaw Peter (ENG)2180Polaczek Richard ...23770-137 ≣E20Ch England (team)...13 Nov 2011
324Shirov Alexei (ESP)2685Karpov Anatoly (RUS)27600-138 ≣E20It (blitz)
315Shirov Alexei (ESP)2710Olafsson Helgi (ISL)22701-023 ≣E20It
235Shirov Alexei (ESP)2580Unzicker Wolfgang...24751-038 ≣E20It
258Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-031 ≣E20Match
309Shirov Alexei (ESP)2710Georgiev Kiril (MKD)26100-139 ≣E20Olympiad
257Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-028 ≣E20Match
289Shirov Alexei (ESP)2710Georgiev Kiril (MKD)26100-141 ≣E20It
241Shirov Alexei (ESP)2580Lerner Konstantin...25601-041 ≣E20Zt
290Shirov Alexei (ESP)2710Karpov Anatoly (RUS)27150-139 ≣E20It
314Shirov Alexei (ESP)2710Arnason Jon L (ISL)25250-143 ≣E20It
288Shirov Alexei (ESP)2710Beliavsky Alexand...25950-140 ≣E20It
303Shirov Alexei (ESP)2710Chandler Murray G...25751-033 ≣E20It (cat.14)
395Shishkin Vladimir...2169Rodriguez Lopez R...23251-040 ≣E20It (b)
780Shyam Sundar M (IND)2462Zemerov Vladimir ...23230-140 ≣E20It (open)01 Feb 2012
625Sieciechowicz Mar...2321Sochacki Wojtek (...22441-047 ≣E20Ch Poland (junior...02 Apr 2008
742Silva Rodriguez F...2140Carstensen Jacob ...23720-129 ≣E20It (open)10 Jul 2011
787Simantsev Mikhail...2548Naumkin Igor (RUS)24430-141 ≣E20It (open)09 Mar 2012
689Simantsev Mikhail...2541Mischuk Dmitry (UKR)23551-042 ≣E20It (cat.7)
758Sisatto Olli (FIN)2236Alekseev Evgeny (...26590-128 ≣E20Cup European Club25 Sep 2011
650Sisatto Olli (FIN)2281Stips Felix (ITA)21051-032 ≣E20Cup Rilton29 Dec 2008
141Slavov Dimcho (BUL)2225Bobotsov Milko G ...24050-138 ≣E20It
45Sliwa Bogdan (POL)2235Kostro Jerzy (POL)23051-047 ≣E20Ch Poland
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
513Slupik ChrisAnton Teodor (ROM)20920-131E20Dos Hermanas Qual...18 Mar 2003
821Smirnov Alexey (RUS)2419Severina Maria (RUS)21731-037 ≣E20Cup R.Nezhmetdino...29 Sep 2012
69Snellman SvenMykra Veikko1-039 ≣E20?
175Soderman BrorSopanen Pekka1-035 ≣E20?
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
231Sokolov Sergey M ...Aleksandrov Aleks...23401-039 ≣E20Ch URS (qual)
407Solana Suarez Ern...2285Gomez Esteban Jua...24750-127 ≣E20It (open)
762Soler Colomer Val...2013Ortega Serra Marc...22340-145 ≣E20Tournament (open)15 Oct 2011
663Soler Colomer Val...2065Ortega Serra Marc...21210-127 ≣E20Tournament (Elo) (1)14 May 2009
653Solomin Maxim (RUS)1958Aksenov Anton1-038 ≣E20Ch City (1 league)14 Feb 2009
442Solon Nathan (USA)2278Ashley Maurice (USA)24820-146 ≣E20It \
727Spoelman Wouter (...2563Kraemer Martin (GER)24921-029 ≣E20Bundesliga 2010/1120 Mar 2011
318Stanimirovic Alek...2240Savic Miodrag R (...25220-140 ≣E20Ch Yugoslavia (team)
773Steadman Michael ...2258Muller Jean (LUX)20231-037 ≣E20Ch Australia04 Jan 2012
695Steadman Michael ...2309Panchanathan Mage...25460-125 ≣E20It (open)07 Apr 2010
488Steinmacher Josef...2090Auer Dieter1-044 ≣E20Ch Baden (MA)
490Stephan Eberhard ...2137Gerl Hans Dr (GER)20861-042 ≣E20Regionalliga Nort...15 Dec 2002
316Stragmueller Andr...Weiss Christian (...24020-126 ≣E20It (open)
483Strutinskaya Gali...2306Kabanova Irina (RUS)20521-018 ≣E20Ch Russia (w) (1 ...
458Suba Mihai (ROM)2535Rodriguez Soler R...19941-041 ≣E20It (open)
482Summerscale Aaron...2495Ehlvest Jaan (USA)26000-140 ≣E20It \
20Szabo Laszlo (HUN)1903Teschner Rudolf (...22951-041 ≣E20Zt
440Szymanski Marcin ...2325Held Markus (GER)21831-042 ≣E20It (cat.4) \
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
82Taimanov Mark E (...2386Hamann Svend (DEN)22981-033 ≣E20It \
52Tal Mikhail N (LAT)2520Barstatis Reinhar...22400-143 ≣E20?
12Tal Mikhail N (LAT)2520Etruk Rein T (EST)23981-040 ≣E20Tournament
150Tarjan James E (USA)2510Botterill George ...24001-038 ≣E20It
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
585Terrieux Kevin (FRA)2345Bleunven Andre (FRA)22981-031 ≣E20Ch France (access...24 Aug 2006
752Teutsch Alexander1896Bellincampi Stefa...20671-030 ≣E20It (open)25 Aug 2011
747Thybo Jan2162Buckley Graeme (ENG)23831-048 ≣E20Ch Great Britain27 Jul 2011
299Tiihonen IlpoKansanniva Markku0-124 ≣E20Ch Finland (corr.)
298Tiihonen IlpoKansanniva Markku0-124 ≣E20?
813Timofeev Artyom (...2641Nukin Ashat (KAZ)23471-038 ≣E20Memorial Izmailov...11 Aug 2012
226Tisdall Jonathan ...2465Bjarnason Saevar ...21291-030 ≣E20It (cat.9)
549Tkachenko Evgeniy...2237Lanin Alexsej (RUS)24250-135 ≣E20Spartakiada Russi...27 Jun 2005
134Toliusis LBoness A1-029 ≣E20World Tournament ...
819Toth Ervin (HUN)2477Battey Alexander ...23961-037 ≣E20It (cat.8)01 Sep 2012
601Toth Ervin (HUN)2348Caruana Fabiano (...25940-149 ≣E20It (cat.8)07 Mar 2007
579Toth Ervin (HUN)2331Banusz Tamas (HUN)24501-037 ≣E20Ch Europe (team) ...14 Jul 2006
615Toth Ervin (HUN)2348Ignacz Maria (HUN)22231-046 ≣E20It (cat.1)10 Oct 2007
679Ubiennykh Ekateri...2270Pavlov Oleg (RUS)23141-030 ≣E20Tournament (Elo)
155Uimonen Matti (FIN)2098Haggren Stig-Olof...20090-136 ≣E20?
454Ulibin Mikhail (RUS)2583Quinn Mark (IRL)23811-031 ≣E20It (open)
509Ulibin Mikhail (RUS)2556Barkhagen Jonas (...24610-135 ≣E20Cup Rilton
525Ulibin Mikhail (RUS)2556Cherniaev Alexand...22650-137 ≣E20It (open)21 Jul 2004
445Ulibin Mikhail (RUS)2583Hulak Krunoslav (...25101-038 ≣E20Ch Croatia (team)...
701Ulibin Mikhail (RUS)2544Bentefrit Samir (...21991-022 ≣E20It (open)26 Jun 2010
690Ulibin Mikhail (RUS)2544Saric Ante (CRO)24721-039 ≣E20It (open)04 Mar 2010
472Ulibin Mikhail (RUS)2581Pikula Dejan (SRB)24841-037 ≣E20It (open)
596Uljanova Nadezhda2021Glazunov Vladimir1-043 ≣E20Tournament (open)21 Dec 2006
467Utnasunov Alexand...2293Vaingorten Yaqoov...21980-141 ≣E20It (open) \
156Vallifuoco Giovan...2155Ubezio Marco (ITA)21340-148 ≣E20It (open)
751Van De Plassche B...2427Sprenger Jan Mich...25151-027 ≣E20It (open)21 Aug 2011
330Van Eaton JasonKleist Frederick ...21040-134 ≣E20It (2)
764Vanek Ladislav (CZE)2199Mojzis Jaroslav (...22191-027 ≣E20Ch Czech Republic...13 Nov 2011
357Van Ketel Raoul (...2286Berend Fred (LUX)24150-131 ≣E20It (open)
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
798Van Vliet Dennis ...2077Furman Boris (RUS)22850-132 ≣E20It (open)24 Jun 2012
207Varga Mariano (ARG)2143Escandell Juan C ...22760-145 ≣E20corr.
265Varga Peter (HUN)2418Ersek Erno (HUN)21981-040 ≣E20Ch Hungary (team)
648Veltkamp Gerben (...2221Roeder Mathias (GER)24320-141 ≣E20Ch Belgium (team)...07 Dec 2008
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
676Villegas Pierre (...2202Dobrev Nanko (BUL)23520-128 ≣E20Ch France (team) ...04 Oct 2009
632Vincenti David2482Brunello Sabino (...24551-031 ≣E20Ch Scotland06 Jul 2008
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \