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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
186Gutman Lev (GER)2530Stranegger Engelbert1-029 ≣E20?
196Schreiber Hans (GER)1981Stammberger S0-129 ≣E20Europe Tournament...
172Ree Hans (NED)2465Ligterink Gert (NED)24500-129 ≣E20Ch Netherlands
274Janakiev Ivan (BUL)2177Pajkovic Vladimir...24171-029 ≣E20It (cat.4)
455Aaltio Erkki (FIN)2133Veingold Aleksand...24570-129 ≣E20It (open)
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
177Brinck-Claussen B...2263Kruszynski Wlodzi...23141-029 ≣E20It (open) \
239Ponomariov Boris ...2430Brodsky Michail (...25531-029 ≣E20Ch Ukraine (1/2 f...
237Davies Nigel R (ENG)2475Schneider Lars-Ak...23640-129 ≣E20It \
297Chapman RogerEriksen Ove P1-029 ≣A40Memorial F.Bogaty...
165Neunhoeffer Helmu...2279Kiefer Gerhard (GER)22571-029 ≣E20Ch Baden (MA)
446Halldorsson Bragi...2244Sokolov Ivan (NED)26110-129 ≣E20It (open)
371Vulfson Vladimir ...2435Ionov Sergey (RUS)25250-129 ≣E20It (open)
280Dao Thien Hai (VIE)2493Tzoumbas Anastasi...23410-129 ≣E20Ch World (juniors)
249Hartman Christer ...2329Brynell Stellan (...24910-129 ≣A40It (open)
741Iljushin Alexei (...2523Faizrakhmanov Ram...21711-029 ≣E20Memorial L.Poluga...06 Jul 2011
595Demin Dmitry (RUS)1714Avanesyan Georgy ...19790-129 ≣A17Ch Region (1 liga)10 Dec 2006
181Bykhovsky Avigdor...2434Solozhenkin Evgen...24891-029 ≣E20?
501Pitselis Grigorio...2132Papadopoulos I (GRE)22590-129 ≣E20Ch Greece (team)
666Kohlweyer Bernd (...2418Deepthamsh Reddy ...21261-029 ≣E20It (open)25 Jun 2009
742Silva Rodriguez F...2140Carstensen Jacob ...23720-129 ≣E20It (open)10 Jul 2011
305Kilpi Teemu (FIN)2135Oll Lembit (EST)26000-129 ≣E20It (open)
727Spoelman Wouter (...2563Kraemer Martin (GER)24921-029 ≣E20Bundesliga 2010/1120 Mar 2011
724Van Ketel Raoul (...2286Van Der Auweraert...1-029 ≣E20Memorial Noteboom...05 Mar 2011
232Prudnikova Svetla...2349Misanovic Vesna (...23261-029 ≣E20Izt (w)
134Toliusis LBoness A1-029 ≣E20World Tournament ...
731Robertson J StuartHarley-Yeo Gareth...20061-029E20Ch England (team)...01 May 2011
626Ovod Evgenija (RUS)2429Maksimovic Suzana...22841-029 ≣E20Ch Europe (w)21 Apr 2008
204Olsson Tomas (SWE)2008Knutsson Bengt0-129 ≣A15Ch Sweden (corr.)
252Crispin Thomas A ...2198Perry1-029 ≣A40Ch USA (corr.)
733Ding Liren (CHN)2660Zhou Weiqi (CHN)25980-129 ≣A40It (cat.17)18 May 2011
576Galyas Miklos (HUN)2428Kjartansson Gudmu...22461-029 ≣E20It (cat.2)06 Jul 2006
112Khodos German (RUS)2200Asaturian S (RUS)1-029 ≣E20?
718Lalic Bogdan (ENG)2456Melero Fidalgo Ju...22211-029 ≣E20It (open)10 Jan 2011
245Ballon Guenther J...2183Vyzmanavin Alexey...25400-130 ≣E20It (open)
752Teutsch Alexander1896Bellincampi Stefa...20671-030 ≣E20It (open)25 Aug 2011
791Izzat Kanan Azar ...2309Cornette Matthieu...25450-130 ≣E20Ch Europe27 Mar 2012
242Arencibia Walter ...2425Lobron Eric (GER)25451-030 ≣E20Izt
694Cebrian Flores Ju...1642Alcaraz Ortega Ja...22290-130 ≣E20Ch Valencia (juni...07 Apr 2010
631Harley-Yeo Gareth...2036Radovanovic Jovic...23450-130 ≣E20Ch South Wales (o...05 Jul 2008
78Khodos German (RUS)2200Polgar Istvan (HUN)24251-030 ≣E20Olympiad (student...
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
583Moskalenko Viktor...2543Cuadras Avellana ...23751-030 ≣E20It (open)19 Aug 2006
680Plesek Jiri (CZE)2150Dvorak Jan (CZE)21791-030 ≣A40Czech League 2009...06 Dec 2009
219Malaniuk Vladimir...2560Tolnai Tibor (HUN)24701-030 ≣E20It
571Grigorieva Olga (...Bazhenova Dina (RUS)18710-130 ≣E20Ch Russia (junior...
375Alcala Valiente J...2133Marciano David (FRA)24800-130 ≣E20It (open) (active)
437Formanek Edward W...2298Kohlweyer Bernd (...24550-130 ≣E20It (open)
158Navas NormanTempone Marcelo (...24110-130 ≣E20Ch Pan-American (...
226Tisdall Jonathan ...2465Bjarnason Saevar ...21291-030 ≣E20It (cat.9)
144Lempiainen HeimoValo Veikko0-130 ≣E20?
227Malaniuk Vladimir...2560Komarov Dimitri (...25191-030 ≣E20It (open)
129Kirsch Gerard (LUX)1957Pritchett Craig W...23500-130 ≣E20It (open)
487Hellborg Teodor (...2240Schneider Lars-Ak...23850-130 ≣E20Ch Sweden (team) ...
238Arencibia Walter ...2425Franco Ocampos Ze...24951-030 ≣E20Memorial J.Capabl...
114Deze Anton (YUG)2400Komljenovic Davor...24510-130 ≣E20?
113Hartmann W (GER)Rodford DE0-130 ≣E20corr.
708De Jong Jan Wille...2444Istratescu Andrei...26310-130 ≣E20It \07 Sep 2010
170Ernst Thomas (SWE)2450Hansen Curt (DEN)25000-130 ≣E20Zt
679Ubiennykh Ekateri...2270Pavlov Oleg (RUS)23141-030 ≣E20Tournament (Elo)
101Khodos German (RUS)2200Rubakhov1-030 ≣E20?
99Kondratiev Pavel ...Zhdanov Igor1-030 ≣E20Ch URS (team)
632Vincenti David2482Brunello Sabino (...24551-031 ≣E20Ch Scotland06 Jul 2008
812Ovod Evgenija (RUS)2412Kosintseva Tatian...25300-131 ≣A40Ch Russia (superf...03 Aug 2012
74Barczay Laszlo (HUN)2381Bokor Istvan (HUN)22261-031 ≣E20Ch Hungary
481Pomes Marcet Juan...2380Tome Vazquez Osca...20011-031 ≣E20It (open)
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
786Yudkevich Mikhail...2200Demianjuk Alexand...23131-031 ≣E20Ch Moscow (1/2 fi...05 Mar 2012
218Kekki Petri (FIN)2335Kanko Ilkka (FIN)22311-031 ≣E20It
792Zulfic Fedja (AUS)2103Farago Ivan (HUN)24970-131 ≣E20It (open)05 Apr 2012
454Ulibin Mikhail (RUS)2583Quinn Mark (IRL)23811-031 ≣E20It (open)
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
247Hertneck Gerald (...2547Huebner Robert Dr...25150-131 ≣E20It (active)
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
261Khenkin Igor (GER)2624Schneider Lars-Ak...23641-031 ≣E20It \
775Krajic Karel (CZE)2072Misicko Jan (CZE)20580-131 ≣E20Czech League 2011...08 Jan 2012
619Beckett Christoph...2096Parker Robert (ENG)20921-031 ≣E20Ch England (team)...13 Jan 2008
668Marusenko Petr (UKR)2323Zakhartsov Viache...25410-131 ≣E20It \22 Jul 2009
790Biriukov Ilja (RUS)2409Katkov Sergey (RUS)19841-031 ≣E20It (cat.2)19 Mar 2012
513Slupik ChrisAnton Teodor (ROM)20920-131E20Dos Hermanas Qual...18 Mar 2003
374Peric Slavisa (SRB)2365Campos Moreno Jav...24850-131E20It (open)
566Cafolla Peter (IRL)2066Sbia Bachir (MAR)19221-031 ≣E20It (open) \02 Feb 2006
585Terrieux Kevin (FRA)2345Bleunven Andre (FRA)22981-031 ≣E20Ch France (access...24 Aug 2006
432Moskalenko Viktor...2508Jerez Perez Alfon...23861-031 ≣E20It (open)
502Frangez Simon (SLO)2195Bratovic Blaz (SLO)23360-131 ≣E20It (open)
394Sbarra Marco (ITA)2280Bossi Alessandro ...20191-031 ≣E20It (open)
258Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-031 ≣E20Match
357Van Ketel Raoul (...2286Berend Fred (LUX)24150-131 ≣E20It (open)
307Draskovic Dragan ...2135Maksimovic Branim...24550-131 ≣E20Ch Yugoslavia
655Vujovic Veselin (...2028Simeonidis Ioanni...22660-131 ≣E20Ch Europe12 Mar 2009
400Dubinskaya M (UKR)2081Volzhin Alexander...24950-131 ≣E20It (open)
190Moskalenko Viktor...2435Yakovich Yuri (RUS)24501-031 ≣E20Ch URS
355Rittler Robert (AUT)2199Janetschek Karl (...23100-131 ≣E20Staatsliga B East...
120Diez Del Corral J...2470Jakobsen Ole (DEN)24401-031 ≣E20Olympiad
717Hughes Tyler B (USA)2266Yang Darwin (USA)24020-131 ≣E20It (cat.10)20 Dec 2010
95Walter HFWanke Rudolf1-031 ≣E20corr.
589Galyas Miklos (HUN)2428Malakhatko Vadim ...26171-032 ≣E20It (open)09 Oct 2006
92Ageichenko Genadi...2343Smyslov Vassily (...24940-132 ≣E20Tournament
636Galyas Miklos (HUN)2454Antal Laszlo (HUN)22021-032 ≣E20It (open) \24 Jul 2008
343Ballon Guenther J...2195Conquest Stuart (...25050-132 ≣E20It (open)