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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
211Brinck-Claussen B...2263Schandorff Lars (...24941-044 ≣E20It (open) \
213Yurtaev Leonid (KGZ)2510Makarichev Sergey...25101-026 ≣E20It
767Grower Sahaj (IND)2515Buckley Graeme (ENG)23831-041 ≣E20It (open)09 Dec 2011
215Woestmann Hans Jo...Spenner Frank1-032 ≣E20Regionalliga NordS
218Kekki Petri (FIN)2335Kanko Ilkka (FIN)22311-031 ≣E20It
220Knudsen Per (DEN)2326Neumann Joachim (...21341-048 ≣E20It (open)
518Hillarp Persson T...2523Lehikoinen Pertti...22171-035 ≣E20It (open)07 Mar 2004
222Malaniuk Vladimir...2560Suba Mihai (ROM)25001-045 ≣E20Cup World (open)
223Flear Glenn C (ENG)2430Dunworth Christop...22651-034 ≣E20Ch Great Britain
226Tisdall Jonathan ...2465Bjarnason Saevar ...21291-030 ≣E20It (cat.9)
520Nedberg Benjamin ...2113Brasoy Aksel (NOR)19841-037 ≣E20Ch Norway (open)09 Apr 2004
229Hansen Sune Berg ...2566Panzalovic Srdjan...24581-047 ≣E20It (open)
230Beliavsky Alexand...2605Portisch Lajos (HUN)25901-040 ≣E20It \
232Prudnikova Svetla...2349Misanovic Vesna (...23261-029 ≣E20Izt (w)
800Zarate Fernandoh ...1768De Carvalho Igor ...18651-044 ≣E20Ch Pan-American (...03 Jul 2012
234FahlstromStolle E1-027 ≣E20World Tournament ...
235Shirov Alexei (ESP)2580Unzicker Wolfgang...24751-038 ≣E20It
617Khenkin Igor (GER)2600Rodriguez Amador ...24811-035 ≣E20It (open) (active)03 Nov 2007
817Feofilova Elizaveta1748Milovanova Maria18921-034 ≣E20Ch Europe (junior...22 Aug 2012
239Ponomariov Boris ...2430Brodsky Michail (...25531-029 ≣E20Ch Ukraine (1/2 f...
241Shirov Alexei (ESP)2580Lerner Konstantin...25601-041 ≣E20Zt
242Arencibia Walter ...2425Lobron Eric (GER)25451-030 ≣E20Izt
244Beliavsky Alexand...2605Hjartarson Johann...25051-023 ≣E20Cup World (qual)
773Steadman Michael ...2258Muller Jean (LUX)20231-037 ≣E20Ch Australia04 Jan 2012
246Agdestein Espen (...2374Chavannes Ivar (NOR)21481-040 ≣E20Ch Norway (team)
697Savage Nicholas W...2134Scott David20581-049 ≣E20Ch England (team)...03 May 2010
527Simantsev Mikhail...2402Goltsov Denis (RUS)22961-020 ≣A40It (c)30 Aug 2004
251Crispin Thomas A ...2198Lonoff Marc (USA)22601-033 ≣A40Ch USA (corr.)
252Crispin Thomas A ...2198Perry1-029 ≣A40Ch USA (corr.)
253Arne Mike (USA)2270Osbun Eric1-033 ≣E20Tournament
255Malaniuk Vladimir...2510Ortega Lexy (ITA)24101-040 ≣E20It (open)
256Khenkin Igor (GER)2624Lengyel Levente (...22931-028 ≣E20It \
257Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-028 ≣E20Match
258Shirov Alexei (ESP)2610Renet Olivier (FRA)24851-031 ≣E20Match
260Chabanon Jean-Luc...2481Pira Davoud (FRA)23821-026 ≣E20Ch France (team)
262Hertneck Gerald (...2555Ketzscher Roland ...20851-041 ≣E20Bundesliga 1990/91
530Volkov Sergey Vik...2628Jaracz Pawel (POL)25311-048 ≣E20It (open)06 Nov 2004
534Lettieri Giuseppe...2265Guido Flavio (ITA)23051-034 ≣E20It (open)06 Jan 2005
265Varga Peter (HUN)2418Ersek Erno (HUN)21981-040 ≣E20Ch Hungary (team)
698Malaniuk Vladimir...2527Grabher Heinz (AUT)22461-026 ≣E20It (open)14 May 2010
266Sakaev Konstantin...2495Brodsky Michail (...24151-039 ≣E20Ch URS (young mas...
271Moskalenko Viktor...2558Naumkin Igor (RUS)24901-048 ≣E20It (cat.10)
536Cebalo Miso (CRO)2512Saric Ante (CRO)24371-034 ≣E20It (open)03 Feb 2005
699Prachar Josef (CZE)1922Portych Vaclav (CZE)18251-043 ≣E20It (open)22 May 2010
778Li Zuhao Luke (NZL)2165Stuart Peter (NZL)19911-020 ≣E20It (open)19 Jan 2012
604Kirszenberg Marc ...2210Primel Dominique ...20071-040 ≣E20Ch France (team) ...
540Kretchetov Alexan...2314Aradhyula Vaishna...21481-026 ≣E20It \25 Mar 2005
495Khenkin Igor (GER)2587Guido Flavio (ITA)23531-041E20It (open)
272Golod Vitali (ISR)2579Pushkov Nikolai (...24041-034 ≣E20It (open) \
18Korchnoi Viktor (...2556Bykov Valery (RUS)23011-045 ≣E20Ch Leningrad
274Janakiev Ivan (BUL)2177Pajkovic Vladimir...24171-029 ≣E20It (cat.4)
227Malaniuk Vladimir...2560Komarov Dimitri (...25191-030 ≣E20It (open)
160Welling Gerard (NED)2322Brusila1-035E20Memorial Heilimo ...
275Misanovic Vesna (...2326Nutu-Gajic Dana (...23501-047 ≣E20Cup Yugoslavia (w)
413Golod Vitali (ISR)2555Solomon Stephen J...24351-040 ≣E20It (open)
276Moskalenko Viktor...2558Lawson O (SCO)1-044 ≣E20It (open)
277Loebler Heimo (AUT)2153Chloupek Stanisla...23381-026 ≣E20It (open) (juniors)
278Krizsany Laszlo (...2445Csoke Adrienn (HUN)20971-041 ≣E20It (open) (junior...
696Muheim Sebastian ...2175Boure Hugo (FRA)19091-040 ≣E20Ch France (junior...12 Apr 2010
279Dao Thien Hai (VIE)2493Macieja Bartlomie...26131-042 ≣E20Ch World (juniors)
281Rohwer Paul (USA)2225Benjamin Dan (USA)22801-034 ≣E20Ch USA (juniors) ...
702Volkov Sergey Vik...2595De-Lisa Carmine (...17361-032 ≣E20It (open)22 Jul 2010
818Drakoulakos Grigo...1736Mouratidis Harala...18581-044 ≣E20It (open)29 Aug 2012
287Wells Peter K (ENG)2497Grosar Aljosa (SLO)24151-036 ≣E20It (open)
819Toth Ervin (HUN)2477Battey Alexander ...23961-037 ≣E20It (cat.8)01 Sep 2012
805Ter Steeg Markus ...1905Florstedt Johanne...20711-028 ≣A40It (open)11 Jul 2012
710Halay Taufik (INA)2358Garcia Raul (AND)22361-039 ≣E20Olympiad24 Sep 2010
537Berkes Ferenc (HUN)2596David Alberto (LUX)25951-041 ≣E20It (open) \23 Feb 2005
550Moranda Wojciech ...2451Szymanska Maria (...21591-037 ≣A40It (open)
821Smirnov Alexey (RUS)2419Severina Maria (RUS)21731-037 ≣E20Cup R.Nezhmetdino...29 Sep 2012
454Ulibin Mikhail (RUS)2583Quinn Mark (IRL)23811-031 ≣E20It (open)
651Zentai Peter (HUN)2219Antos Zoltan (HUN)20871-028 ≣E20Memorial Bela Per...15 Jan 2009
552Moskalenko Viktor...2529Cuadras Avellana ...23761-025 ≣E20It (open)19 Aug 2005
712Alvarez Johan (VEN)2414Kett T (WLS)22191-041 ≣E20Olympiad25 Sep 2010
297Chapman RogerEriksen Ove P1-029 ≣A40Memorial F.Bogaty...
72Portisch Lajos (HUN)2523Pachman Ludek (GER)22781-023 ≣A17Olympiad
23Portisch Lajos (HUN)2523Padevsky Nikola (...23551-049 ≣A17It
422Cano Sanchez Josu...2277Baron Rodriguez J...24091-041 ≣E20Ch Spain (team) (...
96Hollis Adrian Swa...Lambshire MV1-046 ≣E20Ch Great Britain
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
555Grabliauskas Virg...2430Groenn Atle (NOR)23861-036 ≣E20Cup European Club...24 Sep 2005
556Penalver Osmani (...2131Casey Gerry1-034 ≣E20Cup European Club...24 Sep 2005
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
302Matveeva Svetlana...2425Van Gisbergen Sta...23191-033 ≣E20It (open)
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
212Ballon Guenther J...2183Pritchett Craig W...23431-042 ≣E20It (open)
126Mikenas Vladas I ...2405Salamon1-048 ≣E20Ch Europe (team) ...
303Shirov Alexei (ESP)2710Chandler Murray G...25751-033 ≣E20It (cat.14)
560Bente Bjoern (GER)2259Stark Thomas (GER)20771-024 ≣E20It (open)05 Oct 2005
561Berkes Ferenc (HUN)2596Romanov Evgeny (RUS)24791-046 ≣E20Ch World (juniors...18 Nov 2005
308Marin Mihail (ROM)2505Motwani Paul (SCO)24551-050 ≣E20Olympiad
713Hlavacek Robert (...2236Rehurek Lukas (CZE)21861-027 ≣E20Czech League 2010...17 Oct 2010
709Simantsev Mikhail...2541Milanovic Slavisa...23891-041 ≣A40Ch Serbia (team) ...19 Sep 2010
310Sagalchik Gennadi...2442Moskow Eric (USA)21771-022 ≣E20It
563Moranda Wojciech ...2451Szymanska Maria (...21591-043 ≣A40Ch Europe (active)17 Dec 2005
497Carleton John J (...2284Walsh Chris (WLS)21581-038 ≣E20Ch England (team)...
394Sbarra Marco (ITA)2280Bossi Alessandro ...20191-031 ≣E20It (open)
569Braun Arik (GER)2525Atlas Valeri (AUT)24821-039 ≣E20It (cat.12)02 Mar 2006
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark