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Nimzo-Indian, Sämisch Variation, 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3

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
646Dufeal Julien (FRA)2141Grooten Herman (NED)24080-110 ≣E20It (open)
620Viniarski Alex (AUS)Oliver Gareth (AUS)21640-115 ≣E20Ch Australia (jun...
175Behr Maxmilian (GER)2070Suess W21051-016 ≣E20Europe Tournament...
877Coy William (COL)1903Tapia Daniel (COL)22801-017 ≣E20Tournament (open)05 Feb 2011
187Kasanen JuhaSoom1-017 ≣E20Olympiad (student...
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
68Pafnutieff VladimirGligoric Svetozar...24470-118 ≣E20It
733Alonso Rosell Alv...2231Rodriguez Lorenzo...19361-018 ≣E20Ch Spain (schools)27 Jun 2006
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
839Altomonte Giuseppe1773Fiorentino Vincenzo15091-019 ≣E20It (open) (b)05 Jan 2010
736Yermishin Viktor ...2410Lao Lenath (FRA)19561-019 ≣E20Memorial Georgiev...05 Sep 2006
475Salman Joel (USA)2225Goregliad Sergei ...23201-019 ≣E20It
237Venalainen Unto E...2350Day Lawrence A (CAN)23301-019 ≣E20?
293Schuster GuenterWeiler Wolfgang (...21191-019 ≣E20Ch Baden (HT)
537Maksimovic Suzana...2300Lazic Marina (YUG)22201-019 ≣E20Ch Yugoslavia (te...
236Kornath Heinrich ...1901Teichgraber G1-019 ≣E20Europe Tournament...
172Engerer HansZeitler Hans-Juer...19621-019 ≣E20It (open)
625Mensch Etienne (FRA)2299Somogyi Istvan (HUN)22541-019 ≣E20It (cat.2)
477Kojetsky Pavel (CZE)2114Vasek Dalibor (CZE)1-019 ≣E20Ch Moravia (open)
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
238Brilla Banfalvi S...Bjorkqvist Armas1-020 ≣E20corr.
652Radice Luca (ITA)2077Provera Emanuele ...21440-120 ≣E20Ch Italy (team)
374Hirsch RobertAnderton David W ...22210-120 ≣E20corr.
452LibertNilsson Nils S (DEN)22600-120E20Memorial I.Bolesl...
271Sherwood CharlesCasey Kevin (AUS)20700-120 ≣E20It (open) \
338Wohlers-Armas Fri...2050Borisova Borislav...20891-021 ≣E20?
823Selnes Hamish (AUS)1912Milligan Helen (NZL)19761-022 ≣E20Zt24 Jun 2009
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
244Kaltofen HSchwanfelder Martin1-022 ≣E20corr.
181Piket Joop J (NED)2125Agnes Corrado1-022 ≣E20Ch World (team) (...29 Jul 1964
658Moskalenko Viktor...2510Flores Enrique1-022 ≣E20It (open)
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
576Sipka Zoltan (HUN)1908Vereb Andras (HUN)20860-122 ≣E20It (open)
569Gomez Ruben (ARG)1893Lichtentein Juan1-022 ≣E20It (open)
213Epelman E GProkopp Heinz1-022 ≣E20Europe Tournament...
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
234Vehreschild HScheffer G1-023 ≣E20corr.
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
605Olsson Simon (SWE)2130Nordstrom K1-023 ≣E20It (open)
777Rozhkov DDanchinov Viktor ...22150-123 ≣E20Ch City
398Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23411-023 ≣E20Ch World (juniors...
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
247Fodor Istvan (HUN)1988Lepsenyi Lorant (...20550-123 ≣E20Tournament \
55Esposito AlfredoSouza Mendes Joao1-023 ≣E20Zt
480Ilham Abd Hamid (...Ooi Chern Ee (MAS)22200-123 ≣E20Ch Asia (team)
369Santos Carlos P (...2404Walsh Chris (WLS)21580-124 ≣E20Ch World (juniors...
560Durao Pedro (POR)2138Damaso Rui (POR)24300-124 ≣E20It (young masters)
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
554Ghozali CholidChan James (CAN)20121-024 ≣E20Ch Asian Cities (...
64Wise TNewman RH18151-024 ≣E20Ch Great Britain
254Siff Boris2230Peters John A (USA)23700-124 ≣E20?
490Buettner Ulrich (...1969Weclawski Doris (...21050-124 ≣E20It (w)
156Trapl Jindrich (CZE)2336Marsalek Josef (CZE)20711-025 ≣E20Ch Czechoslovakia
227Lim Kok Ann Dr (SIN)2038Le Marquand22001-025 ≣E20Olympiad
600Nikolopoulos Dimi...Roubeglis Nikolaos1-025 ≣E20It (open) \
913Dambaev Bilikto (...1764Dashibalov Erdem ...23690-125 ≣E20Tournament (open) \17 Dec 2011
302Karsa Laszlo (HUN)2346Rajna George (ISR)23901-025 ≣E20It (open)
589Karner Christoph ...2181Medvegy Zoltan (HUN)23970-125 ≣E20Ch Europe (junior...
218Cafure EmilioCruz Raul0-125 ≣E20It (open)
286SchreiberWicklund Hansen G...1-025 ≣E20corr.
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
390Chapman RogerVan Dijk Timon (NED)22330-125 ≣E20corr.
670Barkovskaya Irina...2156Nikitina Aleksand...19321-025 ≣E20Ch Tver region (w)
673Mafra Kaiser Luiz...2140Zambrana Oswaldo ...24720-125 ≣E20Cup Itau (open)
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
726Hendi Peter (SUI)1784Czimer Jozsef (HUN)18570-125 ≣E20Tournament (Elo) (b)09 Mar 2006
331Hart Theo (GER)1927Gruber W1-025 ≣E20It (open)
149Vladimirov Boris ...2340Shamkovich Leonid...23420-125 ≣E20Ch URS
385Hess AlexanderSutterer Robert (...22050-125 ≣E20It (open)
932Lambert Romain (FRA)2138Hallay Axel (FRA)19831-026 ≣E20Ch Paris (open) (a)10 Jul 2012
440Kozlowski Waldema...2042Chruszcz T0-126 ≣E20Ch Poland (corr.)
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
562Legemaat Gert (NED)2216Lambers Gerrit Hans1-026 ≣E20Tournament
125Mastichiadis Foti...O'Riordan Kenneth...1-026 ≣E20Olympiad17 Sep 1956
205Piket Joop J (NED)2125Kunnen1-026 ≣E20Ch Netherlands (t...
915Vebel Goran (SRB)2123Mladenovic Stefan...21810-126 ≣E20Ch City (open)22 Jan 2012
689Garcia Galeote Lo...2124Minzer Claudio Ja...24240-126 ≣E20It (open)09 Apr 2004
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
654Marquez Molina Jo...Lorenzini Martin ...23750-126 ≣E20It (open)
340SacchiniMalloni Marcello ...23090-126 ≣E20?
357LarssonJohansson1-026 ≣E20Cup Nordic (corr.)
272Mendoza Navas Ped...2195Martin Marfil Fra...20311-026 ≣E20Ch Malaga16 Feb 1980
894Van Vliet Dennis ...2101Feys Bert (BEL)20331-026 ≣E20Ch Flanders04 Jun 2011
791Sidorov Kirill (RUS)1981Lubanski Mark1-027 ≣E20Cup Volga (open)
239Brilla Banfalvi S...Koskinen Unto1-027 ≣E20corr.
815Rano David (FRA)2183Heinz Timothee (FRA)22791-027 ≣E20Ch France (team) ...14 Mar 2009
602Schroll Ralph (GER)2174Suess Helmut (GER)19861-027 ≣E20Ch Mittelfranken ...
623Gayer Michael (GER)2083Gerstner Bernhard...20940-127 ≣E20Bayern Oberliga 2...
740Vrettos Vasilios ...2018Girvalakis Spyrid...21300-127 ≣E20It (open) \14 Oct 2006
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
432Tourneur Jean-Fra...2223Solozhenkin Evgen...24890-127 ≣E20It (open)
735Lhost Geoffrey (BEL)1969Denayer Eric (BEL)22760-127 ≣E20It (open)30 Jul 2006
282Brkusanin DBiukovic Goran (CRO)1-027 ≣E20It (open)
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
588Mensch Etienne (FRA)2281Amigues Emmanuel ...21771-027 ≣E20It (open)
918Sipos Istvan (HUN)2447Csom Istvan (HUN)24261-027 ≣E20Ch Hungary (team)...19 Feb 2012
789Rawicz Karol (POL)2242Kravtsiv Martyn (...25490-128 ≣E20It (open)25 Jun 2008
805Roubalik Jakub (CZE)2216Juricek Stanislav...21890-128 ≣E20Czech League 2008...23 Nov 2008
489Jetzl Joerg (AUT)2203Prudhomme Franck ...21371-028 ≣E20It (open)
779Bogatenko Roman (...1978Bereziy Petr (RUS)17940-128 ≣E20Ch City09 Feb 2008