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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
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
514Khairunnisa W (MAS)1967Mouradian Knarik ...21851-042 ≣E41Olympiad (w)
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
360Kanko Ilkka (FIN)2231Manni Matti (FIN)22061-046 ≣E41Ch Finland (team)
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
378Borulya Ekaterina...2308Tsiganova Monika ...21730-145 ≣E41Ch URS (w)
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
434Minzer Claudio Ja...2370Aberbach Angel (ARG)20301-027 ≣E41It (open)
443Roobol Martin (NED)2325Lemmers Oscar (NED)23701-041 ≣E41Ch Netherlands (q...
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
675Guseva Marina (RUS)2289Kryukova Irina (RUS)22610-138 ≣E41It (b)
267Szabo Laszlo (HUN)1903Lein Anatoly (USA)25350-142 ≣E41?
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
488Pham Gia HuyDuong Thanh Binh1-045 ≣E41Ch Vietnam (team)
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
499Chiong Luis (PHI)2390Perez Roland22301-031 ≣E41It (open)
661Nuber Blasius (GER)2303Ulmer Micha (GER)19591-072 ≣E41Ch Germany (junio...
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
261Rastenis Gedimina...2333Zaichik Gennadi (...24570-126 ≣E41Ch URS (young mas...
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
911Abdel Razik Khale...2423Omorere Benjamin ...22231-043 ≣E41Tournament \10 Sep 2011
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
898Ezat Mohamed (EGY)2434Ameir Moheb (EGY)21921-043E41It \05 Jul 2011
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
93Kazic Bozidar (YUG)Maricic1-033 ≣E41Ch Yugoslavia (co...
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
383Winiwarter Felix ...2176Titz Heimo (AUT)22021-062 ≣E41Staatsliga
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
335Ilic Dragan B (SRB)2266Busch Wladimir1-028 ≣E41It (open)
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
304McCambridge Vince...2465Contin Daniel (ITA)22301-044 ≣E41Ch World (team) (...
801Yurkov Alexey (UKR)2174Minenko Andrey (RUS)23261-052 ≣E41Ch Ukraine (junio...02 Oct 2008
148Owtschinkin GPopp Franz1-041 ≣E41corr.
382Winiwarter Felix ...2176Gerhold Michael (...22511-035 ≣E41Staatsliga
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil
721Ruether Rudolf (GER)2188Kaiser Matthias (...22251-046 ≣E41Bayern Landesliga...23 Oct 2005
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
377Dreyer Martin (NZL)2275Teo Kok-Siong (SIN)22740-160 ≣E41Olympiad
363Stelzer Harald (GER)2272Lex Christoph (GER)22231-047E41Bundesliga 1988/8...
404Dreyer Martin (NZL)2275Metge J Nigel (NZL)21301-039 ≣E41Ch New Zealand
526Manakova Maria (SRB)2345Saunina Ludmila (...22601-060 ≣E41Ch Russia (w)
699Santos Marcus Vin...2334Tsuboi Edson Kenj...23871-059 ≣E41It (cat.5)17 Oct 2004
58Brunet PhilipZalys Ignas0-160 ≣E41Match
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
931Janzelj Lara1745Brankovic Slavoljub19201-066 ≣E41Ch Central Serbia...10 Jul 2012
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
487Chiong Luis (PHI)2390Nirav Y Rajasuba ...22551-053 ≣E41It (open)
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
695Santos Marcus Vin...2334Rosito Jorge (ARG)24031-032 ≣E41It06 Aug 2004
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
857Gongora Maikel (CUB)2468Morales Rolando (...22651-042 ≣E41Memorial J.Capabl...16 Jun 2010
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
684Eriksson Johan (SWE)2423Lappalainen Tommy...21881-024 ≣E41Cup Rilton
460Ryskin Alexander ...2435Pushkov Nikolai (...25150-134 ≣E41It
464Bernardino LOliveira Vera (POR)17151-018 ≣E41Ch Coimbra (team)
875Galojan Lilit (ARM)2389Ambartsumova Kari...23091-0114 ≣E41It (w)
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
687Pushin Vladimir (...2231Kiselev Vitaliy (...21621-035 ≣E41Ch Russia (junior...
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
171Kanko Ilkka (FIN)2231Ofstad Per (NOR)21821-028 ≣E41Zt
524Punteri Marco (ITA)2049De Bortoli Peter ...21831-027 ≣E41Ch Italy (juniors)
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
640Tsadzikidze Natia...2308Epitashvili Ketev...21731-051 ≣E41Ch Georgia (w)02 Apr 2001
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
465Herraiz Hidalgo H...2260Sanz Alonso Franc...23901-049 ≣E41Ch Spain (team)
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
301Vallifuoco Giovan...2155Belotti Bruno (ITA)24330-132 ≣E41Ch Italy
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
518Jugow Alexander (...2230Escher Clemens (GER)22340-139 ≣E41It (open)