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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
838Altomonte Giuseppe1773Ielapi Vito (ITA)18290-150 ≣E20It (open) (b)04 Jan 2010
573Kaminik Aleksanda...2179Ibragimov Ildar (...25540-140 ≣E20It (open)
322Ji Yunqi (CHN)2327Huang Zhengyuan (...21970-148 ≣E20Ch China
889Zavadil Michal (CZE)2124Hrdina Robin (CZE)20501-029 ≣E20It \23 Apr 2011
466Pribyl Martin (CZE)2390Hosek Milan (CZE)22891-048 ≣E20Czech League 1994...
731Kende Gyorgy (HUN)2211Horvath Peter_ (HUN)24510-130 ≣E20It (open)20 Jun 2006
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
318PoschustaHort Vlastimil (GER)25450-136 ≣E20It (open)
262Vaisanen VeikkoHonkaniemi Raimo1-037 ≣E20?
161Farias Sergio A (...2220Hollmann Jose0-188 ≣E20Ch Brazil
319NicolaiHoekstra W0-140 ≣E20corr.
531Vegh Endre (HUN)2350Hoang Thanh Trang...23501-059 ≣E20Ch Hungary (team)...
533Reduan Aband MohdHisar Simanjuntak0-136 ≣E41Ch World Cities
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
201Maher VincentHenry Paul (IRL)23750-138 ≣E20Ch Ireland
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
815Rano David (FRA)2183Heinz Timothee (FRA)22791-027 ≣E20Ch France (team) ...14 Mar 2009
940Carow Johannes2678Heinz Axel (GER)24021-042 ≣A40Ch Germany (junio...05 Sep 2012
724Gajewski Grzegorz...2515Heberla Bartlomie...25691-056 ≣E20Ch Poland03 Mar 2006
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
811Schwarz Dusan (SVK)2303Hausner Ivan (CZE)24460-140 ≣E20Extraliga 2008/0918 Jan 2009
493Schmidt Anton (GER)2153Hartl Aldo (GER)21151-038E20Bayern Landesliga...
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
840Stahnke Alexander...1922Haron Greg20581-070 ≣E20Ch Australia (major)06 Jan 2010
226Garcia Raimundo (...2420Hamann Svend (DEN)24901-041 ≣E20Olympiad
354Stafrace JHamalainen Sami (...22660-134 ≣E20Ch Europe (juniors)
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
932Lambert Romain (FRA)2138Hallay Axel (FRA)19831-026 ≣E20Ch Paris (open) (a)10 Jul 2012
349Grubling KarlHaas Hans (SUI)20880-141 ≣A40Ch Schleswig Hols...
423Bauerle PHaakonstad O1-030 ≣E20Tournament
751Shapran Nikita (RUS)1892Gutsuliak Yana (RUS)19490-133 ≣E41Memorial T.Petros...
316Hoffmann Alexande...2135Gutsche Klemens0-136 ≣E20Oberliga NRW 1985/86
606Russell Corey (USA)2314Gulko Boris F (USA)26430-137 ≣E20Oz.com qualifier ...
858Wohlers-Armas Fri...2011Guichard Pauline ...22930-132 ≣E20Cup France (w)27 Jun 2010
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
843Swiech Przemyslaw...1448Grudzien Piotr (POL)19771-027 ≣E41Ch Poland (junior...09 Mar 2010
331Hart Theo (GER)1927Gruber W1-025 ≣E20It (open)
294Martin Andrew D (...2445Grooten Herman (NED)23331-031 ≣E41It \
646Dufeal Julien (FRA)2141Grooten Herman (NED)24080-110 ≣E20It (open)
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
874Jansen Lauritz (GER)1790Grigorian Spartak...18351-022 ≣E41Ch Germany (junio...29 Dec 2010
818Zhmailo Yana (RUS)1746Grigorian Alvina ...1-044 ≣E20Ch Russia (junior...20 Apr 2009
798Khachatryan Vahag...2283Grekh Andrey (UKR)23911-043 ≣E20Memorial E.Geller...11 Sep 2008
393Polgar Zsuzsa (USA)2540Granda Zuniga Jul...25651-041 ≣E20It
371Pavlovic Slobodan...2159Govedarica Radova...23890-130 ≣E20Ch Yugoslavia (te...
892Ilic Dragan (SRB)2388Govedarica Radova...23891-028 ≣E41Cup Serbia (team)20 May 2011
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
906Ivanov FedorGoryachkin Alexan...20690-154 ≣E20Memorial Ermolaev...10 Aug 2011
475Salman Joel (USA)2225Goregliad Sergei ...23201-019 ≣E20It
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
144GolschmanGonzales Gil J0-133 ≣E20Tournament
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
595Miton Kamil (POL)2401Goldin Alexander ...26021-036 ≣E20It (open)
68Pafnutieff VladimirGligoric Svetozar...24470-118 ≣E20It
312WinklerGlasewald Stefan ...20791-043 ≣E20corr.
250Bosco Ricardo (ARG)2142Giudici Ernesto (...22801-048 ≣E41Tournament
124Johannessen Svein...2273Gislason Sigurgei...1-040 ≣E41Olympiad16 Sep 1956
740Vrettos Vasilios ...2018Girvalakis Spyrid...21300-127 ≣E20It (open) \14 Oct 2006
130Vladimirov Boris ...2340Gipslis Aivars (LAT)24290-128 ≣E20Ch URS (1/2 final)
163Mileika JanisGipslis Aivars (LAT)24290-134 ≣E20Ch Latvia
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
215Holmers EJGibbs Peter C (ENG)1-039 ≣E41corr.
256Garcia Raimundo (...2327Giardelli Sergio ...23151-041 ≣E20Olympiad
229Szabo Laszlo (HUN)1903Gheorghiu Florin ...25501-042 ≣E41Ch Europe (team)
808Slyusarenko YuGevak A0-120 ≣E41Ch City (open)
923Kaidanov Gregory ...2588Gerzhoy Leonid (CAN)24951-047 ≣E41It (open)05 Apr 2012
268Weber Robert1Gerusel Mathias (...24251-064 ≣E20It
623Gayer Michael (GER)2083Gerstner Bernhard...20940-127 ≣E20Bayern Oberliga 2...
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
67Szabo Laszlo (HUN)1903German Eugenio (BRA)23151-059 ≣A13Olympiad
382Winiwarter Felix ...2176Gerhold Michael (...22511-035 ≣E41Staatsliga
720Dimov Kiril (BUL)2213Genov Petar (BUL)24640-138 ≣E20Ch Bulgaria (team)26 Sep 2005
783Foisor Mihaela-Ve...1088Gelip Ioana (ROM)6711-029 ≣E20Ch Romania (junio...12 Apr 2008
847Floroiu Ioana-Ale...1662Gelip Ioana (ROM)18240-139 ≣E20Ch Romania (junio...08 Apr 2010
472Schelter Thomas (...2170Gebhardt Ulrich (...22250-129 ≣E20Oberliga East 199...
77Boleslawski ZbigniewGawlikowski Stani...1-051 ≣E20Ch Poland17 Oct 1952
277Kovalev Andrei (BLR)2513Gavrikov Viktor (...23651-043 ≣E20Memorial A.Sokolsky
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
329Arencibia Walter ...2511Garcia Gonzales G...25101-030 ≣E41Zt
599Peralta Fernando ...2433Gaprindashvili Va...23900-165 ≣A40Ch World (juniors...
778Dommes Vladimir M...2264Gaprindashvili No...20751-031 ≣E20Tournament \18 Jan 2008
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
849Boutsioukis Nikol...1930Galopoulos Panagi...20851-037 ≣E20It (open)10 Apr 2010
759Rodrigo Edson (BRA)1962Gallo Ponce Elber...22020-1103 ≣E41It (open)27 May 2007
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
78Grynfeld Izaak (POL)Gadalinski Jan (POL)1-036E20Ch Poland17 Oct 1952
79Gawlikowski Stani...Gadalinski Jan (POL)0-132 ≣E20Ch Poland27 Oct 1952
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
813Zell StefanFrombach Ralf (GER)22160-1114 ≣E41NRW-liga 2008/0901 Mar 2009
629Kask OveFritz Manfred0-130 ≣E20Tournament (IECG)
429Belcher EdwardFriedman Josef (USA)21860-160 ≣E20It (open)
289McCambridge Vince...2465Frias Victor J (CHI)24931-047 ≣E41It (open)
693Santos Marcus Vin...2334Frenklakh Valery ...22961-019 ≣E41It20 Jun 2004