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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
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
597Moskalenko Viktor...2471Campos Moreno Jav...24840-120 ≣E41It (open)
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
350Napolitano Mario ...Bryson0-128 ≣E41corr.
494Schubert Ralf (GER)2145Mattick Lutz (GER)22750-130 ≣E41Bundesliga (2nd) ...
516Sinclair Mark (NZL)2215Smith Robert W (NZL)23050-127 ≣E41Ch New Zealand
292Vyzmanavin Alexey...2540Razuvaev Yuri S (...25100-127 ≣E41Ch URS (1 liga)
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
674Santos Marcus Vin...2334Rosito Jorge (ARG)24030-154 ≣E41Cup Itau (open)
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
450Sarmiento Alfonso...2230Garcia Padron Jua...22020-141 ≣E41It (open)
483Sustek Vladimir (...1959Csefalvay Stefan ...19160-163 ≣E41Ch Slovakia (open)
505Eriksson Johan (SWE)2310Nordstrom Felix (...22200-125 ≣E41Ch Sweden (master...
512Kluss Kai (GER)2150Ruzele Darius (LTU)25200-140 ≣E41It (open)
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
575Jugow Alexander (...2197Reichenbach Werne...22970-132 ≣E41Ch World (seniors)
276Brionne Thierry (...2112Michiels Dirk0-127 ≣E41Ch Europe (juniors)
346Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
410Markotic Gordan (...2287Kolev Atanas (BUL)25910-119 ≣E41It (open)
437Richter Michael (...2225Lagershausen Thomas0-153 ≣E41It (open) \
467Pyka Andreas (GER)2056Esser Norbert (GER)21880-138 ≣E41Cup Germany
478Lancz Ondrej (SVK)2099Zhidkov Valery S ...23250-136 ≣E41It (open)
496Aurich MPfaff Timo0-133 ≣E41Ch Region
502Pompa Alessandro ...2070Malloni Marcello ...23090-130 ≣E41Ch Rome
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
533Reduan Aband MohdHisar Simanjuntak0-136 ≣E41Ch World Cities
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
251Kretschmar HeinzKramer Haije J (NED)23300-134 ≣E41Olympiad (corr.)
275Brionne Thierry (...2112Borg Geoffrey (MLT)23670-127 ≣E41Ch Europe (juniors)
303Anderson AnthonyAlmeida Jose T (POR)21980-142 ≣E41Ch World (team) (...
339Kekki Petri (FIN)2335Welin Thomas (SWE)23750-116 ≣E41It (open)
377Dreyer Martin (NZL)2275Teo Kok-Siong (SIN)22740-160 ≣E41Olympiad
378Borulya Ekaterina...2308Tsiganova Monika ...21730-145 ≣E41Ch URS (w)
418Horsch HeinerBrodsky Michail (...25200-129 ≣E41It (open) \
421Siciarz JTustanowski Rober...22740-136 ≣E41Ch Poland (corr.)
460Ryskin Alexander ...2435Pushkov Nikolai (...25150-134 ≣E41It
453AkopianUtemov Vladimir (...23850-129 ≣E41It (open)
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
267Szabo Laszlo (HUN)1903Lein Anatoly (USA)25350-142 ≣E41?
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
128Napolitano Mario ...Batik Frantisek0-112 ≣E41?
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
750Ganaus Hannes (AUT)2326Slaby Jerzy (POL)24370-155 ≣E41It (open)29 Dec 2006
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
219Glotov VSoloviev Vladimir...23420-125 ≣E41?
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
261Rastenis Gedimina...2333Zaichik Gennadi (...24570-126 ≣E41Ch URS (young mas...
58Brunet PhilipZalys Ignas0-160 ≣E41Match
301Vallifuoco Giovan...2155Belotti Bruno (ITA)24330-132 ≣E41Ch Italy
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
323Peterman RRohde Michael A (...25500-124 ≣E41It (open)
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
448Borovicka Bohumil...1997Michenka Jozef (CZE)23460-140 ≣E41It (open)
518Jugow Alexander (...2230Escher Clemens (GER)22340-139 ≣E41It (open)