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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
449Porras RubenVaras Carlos (CHI)22970-19 ≣E20It (open)
578Moranda Wojciech ...2462Rewasiewicz Milos...18551-012 ≣E20Tournament (juniors)13 Jul 2006
201Panovic TTodorovic Goran N...23961-013 ≣E20?
826Fusco Leonardo (ARG)2379Espinoza Palomino...22650-113 ≣E20Ch American Conti...20 Oct 2012
553Colom Andres Xavi...2023Panelo Marcelo (ARG)24070-113 ≣E20It (open)19 Aug 2005
135Lempiainen HeimoKumpare Matti1-016 ≣E20?
221Ruygrok DennisHotting Arend0-116 ≣E20corr.
647Posedaru Bogdan (...2212Bozilov Dragan (SRB)18631-018 ≣E20It (open)27 Nov 2008
483Strutinskaya Gali...2306Kabanova Irina (RUS)20521-018 ≣E20Ch Russia (w) (1 ...
405Galiano ADel Rio Angelis S...23750-118 ≣E20Ch Spain
646Bouget Alexandre ...1998Jolly Jean-Franco...23550-119 ≣E20It (open)
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
673Moroder Stefan2062Van Hoolandt Patr...22330-119 ≣E20It (open)
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
347Chowaniec WSzuszkiewicz J1-019 ≣E20corr.
296Niemic AGnudsenem0-120 ≣E20Europe Tournament...
517Jianu Vlad-Cristi...2444Kalinin Alexander...24730-120 ≣E20It (open)26 Feb 2004
87Miettinen ReinoSalovaara Reino1-020 ≣E20?
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
573De Val Daniele (ITA)2182Brunello Sabino (...24600-120 ≣E20Ch Italy (team)23 Apr 2006
83Benko Pal C (USA)2408Hudson C1-020 ≣E20Ch USA (team)
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
778Li Zuhao Luke (NZL)2165Stuart Peter (NZL)19911-020 ≣E20It (open)19 Jan 2012
339Bogdanovich Grigo...2385Pilgaard Kim (DEN)22850-120 ≣E20It (open)
233Bykhovsky Avigdor...2495Danielsen Henrik ...25430-121 ≣E20It
146Vladimirov Boris ...2340Gerasimov N (RUS)23551-021 ≣E20?
592La-Manna Francesc...2119Vezzosi Paolo (ITA)23111-021 ≣E20It (open)27 Oct 2006
145Vladimirov Boris ...2340Gerasimov Nikolay...20921-021 ≣E20Tournament
582Moskalenko Viktor...2543Lapshun Yury (USA)24671-021 ≣E20It (open)02 Aug 2006
337Saldano Horacio (...2275Zarnicki Pablo (ARG)24750-121 ≣E20It (open)
541Guthrie David (NZL)2184Hinks-Edwards Tho...23430-121 ≣E20It (open)26 Mar 2005
89Vladimirov Boris ...2340Szabo Laszlo (HUN)19031-021 ≣E20It
110Engel WolfgangWalthemathe A0-121 ≣E20corr.
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
75ChristensenLakjunas0-121 ≣E20Cup Baltic (corr.)
444Likavsky Tomas (SVK)2409Bartel Mateusz (POL)23131-021 ≣E20It (open)
166Foulds EVWalters0-122 ≣E20Ch Great Britain ...
194Schreiber Hans (GER)1981Bascetta Biagio0-122 ≣E20Europe Tournament...
178Ylisela JuhaniPalenius Jarmo1-022 ≣E20Ch Finland (team)
159Botterill George ...2360Van Der Vliet Fre...23951-022 ≣E20It \29 Aug 1981
654Leon Varela Luis ...2121Santana Montero P...19781-022 ≣E20Tournament18 Feb 2009
210Hubert Ralf (GER)2293Fischer Michael (...21081-022 ≣E20It (open) \
310Sagalchik Gennadi...2442Moskow Eric (USA)21771-022 ≣E20It
701Ulibin Mikhail (RUS)2544Bentefrit Samir (...21991-022 ≣E20It (open)26 Jun 2010
726Zivanic Marko (SRB)2479Panchanathan Mage...25861-022 ≣E20It (sheveningen) \13 Mar 2011
94Kwasniewski Zdzis...2213Jamroz Zbigniew (...21791-022 ≣E20Ch Poland (team)
250Safin Shukhrat (UZB)2472Teplitsky Yan (CAN)24481-022 ≣E20Ch Uzbekistan
236KuglerGabriel0-122 ≣E20corr.
436Salmela Hannu (FIN)2047Solozhenkin Evgen...25040-123 ≣E20It (open) \
115Mileika YaLevchenkov Vitaly...22600-123 ≣E20?
816Feofilova Elizaveta1748Marjanovics Annam...18810-123E20Ch Europe (junior...21 Aug 2012
244Beliavsky Alexand...2605Hjartarson Johann...25051-023 ≣E20Cup World (qual)
354Krizsany Laszlo (...2395Berset Philippe (...20761-023 ≣E20It (open) (b)
315Shirov Alexei (ESP)2710Olafsson Helgi (ISL)22701-023 ≣E20It
414Volkov Sergey Vik...2605Obukhov Alexander...24351-023 ≣E20Cup Russia (open)
397Lauber Arnd (GER)2325Anka Emil (HUN)24300-123 ≣E20It (cat.8)
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
358Knuth Hannes (GER)2265Gerstner Wolfgang...23701-024 ≣E20Ch Germany
224Yakovich Yuri (RUS)2450Kharitonov Andrei...25201-024 ≣E20Tournament (swiss)
298Tiihonen IlpoKansanniva Markku0-124 ≣E20?
560Bente Bjoern (GER)2259Stark Thomas (GER)20771-024 ≣E20It (open)05 Oct 2005
136Pitkanen Juhani (...1724Inkinen Jorma0-124 ≣E20?
420Avrukh Boris (ISR)2588Van Der Sterren P...25351-024 ≣E20It (cat.14)
68Schmidt Johannes ...2243Lengyel C1-024 ≣E20Europe Tournament...
535Cox John J (ENG)2384Greet Andrew (ENG)24280-124 ≣E20It \29 Jan 2005
677Yudkevich Mikhail...2159Gousseinov Aguif ...20211-024 ≣E20It \20 Oct 2009
801Coleman Teddy (USA)2379Shyam Nikil P (IND)25020-124 ≣E20It \06 Jul 2012
192Murshed Niaz (BAN)2475Mithrakanth Poorn...23201-024 ≣E20?
142Gutman Lev (GER)2450Uusi Gunnar (EST)24101-024 ≣E20?
299Tiihonen IlpoKansanniva Markku0-124 ≣E20Ch Finland (corr.)
153Kataev Simcho (RUS)2246Tavadian Hrachik ...23150-124 ≣E20Olympiad URS
333Andriana Anca (ROM)2102Peptan Corina-Isa...22550-124 ≣E20Ch Europe (junior...
508Lin Ta (CHN)2418Rizouk Aimen (ALG)24651-024 ≣E20It (open)
514Khenkin Igor (GER)2587Palac Mladen (CRO)25431-024 ≣E20Memorial Leonardo...25 Apr 2003
607Fox Pierre (BEL)1835Zenklusen Rico (SUI)24070-125 ≣E20It (open)13 May 2007
433Heinola Vesa (SWE)2218Keeling Karen (ENG)19411-025 ≣E20It (open) \
164EsnaolaPiastowski Kurt (...19780-125 ≣E20corr.
552Moskalenko Viktor...2529Cuadras Avellana ...23761-025 ≣E20It (open)19 Aug 2005
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
264Kumaran Dharshan ...2505Wells Peter K (ENG)24600-125 ≣E20It (open)
695Steadman Michael ...2309Panchanathan Mage...25460-125 ≣E20It (open)07 Apr 2010
163Pupols Viktors (USA)2155Wang Arthur D (USA)20901-025 ≣E20It \
133Molenbroek HansDetmer Herbert1-025 ≣E20World Tournament ...
489Jakab Attila (HUN)2358Ruck Robert (HUN)25830-125 ≣E20Ch Hungary (team)...08 Dec 2002
499Nguyen Chi-Minh (...2370Van Den Doel Erik...25600-125 ≣E20Ch France (team) ...
399Malaniuk Vladimir...2615Springer Karl (AUT)20991-025 ≣E20It (open)
642Meerovich IlanHarper Warren (USA)23091-025 ≣E20US Chess League27 Aug 2008
639Shamima Akter Liz...2094Misovic Sanja (MNE)19371-025 ≣E20Ch World (juniors...05 Aug 2008
363Kos Sebastian (GER)2208Von Gleich Alexan...23400-126 ≣E20Bundesliga (2nd) ...
365Martinez Daniel (...2185Solozhenkin Evgen...25150-126 ≣E20It (open)
277Loebler Heimo (AUT)2153Chloupek Stanisla...23381-026 ≣E20It (open) (juniors)
568Braun Arik (GER)2525Prusikin Michael ...25600-126 ≣E20It (cat.12)28 Feb 2006
137Pyhala Antti (FIN)2305Ahonen Tauno1-026 ≣E20?
608Hohluks Aleksandr...2049Vedrickas Tautvyd...22870-126 ≣E20Cup Baltija (open)20 Jun 2007
415Nguyen Chi-Minh (...2401Spiridonov Nikola...24050-126 ≣E20It (open) \
417Volkov Sergey Vik...2605Yakovich Yuri (RUS)25601-026 ≣E20Ch Russia
260Chabanon Jean-Luc...2481Pira Davoud (FRA)23821-026 ≣E20Ch France (team)
540Kretchetov Alexan...2314Aradhyula Vaishna...21481-026 ≣E20It \25 Mar 2005
243Khenkin Igor (GER)2624Karpman Vadim (UKR)23821-026 ≣E20Ch URS (young mas...
213Yurtaev Leonid (KGZ)2510Makarichev Sergey...25101-026 ≣E20It