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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
430Rabara Frantisek ...1940Kalous Miroslav (...20910-149 ≣E20It (open)
623Gayer Michael (GER)2083Gerstner Bernhard...20940-127 ≣E20Bayern Oberliga 2...
624Kinkelin Ulrich (...2019Kwossek Georg (GER)20970-137 ≣E20Bayern Regionalli...
561Szafranski Michal...2127Dobrogost Wojciec...20981-025 ≣E20Ch Milanowek
196Morgado Juan J (ARG)2219Castelli Raul (ARG)21000-130 ≣E20Ch Chess Club
622Kaminik Aleksanda...2245Zimmermann Ralf (...21011-029 ≣E20It (open)
327Kovacs Istvan (HUN)2200Vargyas Zoltan (HUN)21020-132 ≣E20Ch Hungary (open)
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
175Behr Maxmilian (GER)2070Suess W21051-016 ≣E20Europe Tournament...
490Buettner Ulrich (...1969Weclawski Doris (...21050-124 ≣E20It (w)
727Schmidt Anton (GER)2080Oleneva Svetlana ...21101-033 ≣E20Bayern Oberliga 2...02 Apr 2006
396Vigh Bela (HUN)2349Blasovszky Istvan...21101-034 ≣E20Cup Donau (open)
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
405Baez IsidoroSaavedra Juan (CHI)21140-135 ≣E20Tournament (team) \
493Schmidt Anton (GER)2153Hartl Aldo (GER)21151-038E20Bayern Landesliga...
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
406McKay Roderick M ...2376Beaton Kenneth S ...21161-030 ≣E20Ch Scotland
596Shields Sylvia (AUS)Dekic Biljana N (...21181-044 ≣E20Ch Australia (w)
679Dor R1870Pieroni Guillaume...21180-138E20It (open)24 Oct 2003
293Schuster GuenterWeiler Wolfgang (...21191-019 ≣E20Ch Baden (HT)
938Haimovich Tal (ISR)2395Stange Sven (NED)21221-047 ≣E20It (open)09 Aug 2012
315Voigt Martin (GER)2364Pohl Walter (GER)21231-037 ≣E20corr.
178Blazek JosefSorsak Jozef Sr (...21251-044 ≣E20Ch Czechoslovakia...
664Sacchini Marco (ITA)2198Shytaj Carlo (ITA)21270-155 ≣E20It (open)13 Jul 2002
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
841Zavadil Michal (CZE)2084Goth Jiri21281-084 ≣E20Czech League 2009...17 Jan 2010
740Vrettos Vasilios ...2018Girvalakis Spyrid...21300-127 ≣E20It (open) \14 Oct 2006
902Brink Baarry (NED)2193Pauw Sander (NED)21300-138 ≣E20It (open)16 Jul 2011
249Garrido FedericoChaves Marcelo Fe...21341-040 ≣E20Olympiad
489Jetzl Joerg (AUT)2203Prudhomme Franck ...21371-028 ≣E20It (open)
550Vigh Bela (HUN)2385Hallossy Tibor (HUN)21391-040 ≣E20It (cat.3)
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
222Steudtmann Christ...2268Koehler Gerhard (...21431-032 ≣E20It (open)
910Guk Ilja (UKR)2280Fiodorov Mikhail ...21430-176 ≣E20It (open)06 Sep 2011
652Radice Luca (ITA)2077Provera Emanuele ...21440-120 ≣E20Ch Italy (team)
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
441Ernst KlausBerndt Walter (GER)21571-033 ≣E20It (open)
369Santos Carlos P (...2404Walsh Chris (WLS)21580-124 ≣E20Ch World (juniors...
773Mlcoch David (CZE)2191Plsek Miroslav (CZE)21630-137 ≣E20Czech League 2007...02 Dec 2007
834Pavlu Jiri1898Svancara Petr (CZE)21640-167 ≣E20Czech League 2009...18 Oct 2009
620Viniarski Alex (AUS)Oliver Gareth (AUS)21640-115 ≣E20Ch Australia (jun...
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
660Mcmaster Richard ...2043Taylor Robert Mar...21650-180 ≣E20Ch Great Britain
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
709Glawe Hartmut1971Bauer Norbert (GER)21680-130 ≣E20Landesliga (2nd) ...24 Apr 2005
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
555Schmidt Anton (GER)2153Stoer Andreas (GER)21701-053 ≣E20Bayern Landesliga...
676Dommes Vladimir M...2281Ermolov Vasily (RUS)21711-030 ≣E20Tournament (open)\
588Mensch Etienne (FRA)2281Amigues Emmanuel ...21771-027 ≣E20It (open)
742Brossard Armel (FRA)2183Vallet Marc (FRA)21770-151 ≣E20Ch France (team) ...06 Nov 2006
915Vebel Goran (SRB)2123Mladenovic Stefan...21810-126 ≣E20Ch City (open)22 Jan 2012
812Foisor Mihaela-Ve...2123Baciu Anca-Otilia...21831-036 ≣E20Ch Romania (w)06 Feb 2009
607Sidorchuk Dmitry ...2266Katuzian Valery (...21831-031 ≣E20It (open)
527Neher MaxMoller Michael Dr...21850-149 ≣E20Bayern Landesliga...
429Belcher EdwardFriedman Josef (USA)21860-160 ≣E20It (open)
805Roubalik Jakub (CZE)2216Juricek Stanislav...21890-128 ≣E20Czech League 2008...23 Nov 2008
868Burcu Cagatay (TUR)1878Rindlisbacher Lar...21900-157 ≣E20Ch Europe (junior...22 Sep 2010
885Reznik Vladimir (...2170Palchun Grigory (...21941-034 ≣E20Tournament \
133Shianovsky Vladis...2255Usachyi Mark (UKR)21961-040 ≣E20Ch Kiev
446Werner MariaPluemer Detlef (GER)21960-140 ≣E20Oberliga Northeas...
384Lim Kok Ann Dr (SIN)2038Usachyi Mark (UKR)21960-162 ≣E20Ch World (seniors)
878Schwarz Dusan (SVK)2286Travenec Igor (SVK)21961-060 ≣E20Ch Slovakia (team...13 Feb 2011
322Ji Yunqi (CHN)2327Huang Zhengyuan (...21970-148 ≣E20Ch China
641Furesz Jorsef (HUN)2038Bardossi Jeno (HUN)21980-142 ≣E20Ch Hungary (team)...18 Nov 2001
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
228Sorri Kari Juhani...2251Keeshan M22001-037 ≣E20Olympiad
193Kaminik Aleksanda...2168Shmit Anatoly (LAT)22000-132 ≣E20Ch URS (team)
227Lim Kok Ann Dr (SIN)2038Le Marquand22001-025 ≣E20Olympiad
852Brustkern Juergen...2299Lyell Mark (ENG)22021-031 ≣E20It (cat.1) (a)04 May 2010
230De Carbonnel HeinzKeglevic Pavao (CRO)22030-132 ≣E20Ch Europe (team) ...
454Vasquez Goncalo1950Weill Roland (FRA)22050-135 ≣E20It (open)
385Hess AlexanderSutterer Robert (...22050-125 ≣E20It (open)
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
691Nowikow Siegfried...2004Juhasz Laszlo (HUN)22110-148 ≣E20It (open)20 May 2004
476Belcher EdwardEncencarnacion Er...22111-033 ≣E20It \
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
626Churikov Kirill (...2220Shkalov Oleg (RUS)22151-031 ≣E20Ch Russia (junior...
777Rozhkov DDanchinov Viktor ...22150-123 ≣E20Ch City
457Masip Tressera Or...2035Jove Grau Lluis (...22170-139 ≣E20It (open)
929Maksimovic Branim...2452Milovanovic Srbol...22171-035 ≣E20Ch Central Serbia...07 Jul 2012
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
480Ilham Abd Hamid (...Ooi Chern Ee (MAS)22200-123 ≣E20Ch Asia (team)
537Maksimovic Suzana...2300Lazic Marina (YUG)22201-019 ≣E20Ch Yugoslavia (te...
509Cherniack Alex (USA)2270Nute Gary A (USA)22201-028 ≣E20It \
159Iljinsky Yaroslav...2270Seoev Robert (TKM)22211-045 ≣E20Ch URS (1/2 final)
374Hirsch RobertAnderton David W ...22210-120 ≣E20corr.
744Foisor Sabina-Fra...2326Padurariu Ioana-S...22211-047 ≣E20Ch Romania (team)...11 Nov 2006
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
461Tejero Royo Fermi...2100Lerch Gallemi Jos...22240-130 ≣E20Ch Catalunia
472Schelter Thomas (...2170Gebhardt Ulrich (...22250-129 ≣E20Oberliga East 199...
754Van Elst Andreas ...2350Ducret Thomas (FRA)22251-055 ≣E20Ch France (team) ...21 Jan 2007
492Gayer Michael (GER)2083Straub Juergen (GER)22280-175 ≣E20Bayern Landesliga...
785Blok Michiel (NED)2212Wustefeld Emile (...22320-158 ≣E20It (open)11 May 2008
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009