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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
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
700Tregubov Vadim (UKR)2390Yaremko Nazar (UKR)22030-140 ≣E41Ch Ukraine (junio...
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
656Deruelle Sala Alb...2158Lozano Arribas Ca...21880-142 ≣E41It (open)
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
719Longa Yauca Javie...2324Rivas Pastor Manu...24610-157 ≣E41It (open)25 Aug 2005
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
574Andersen Ejnar (DEN)2111Petersen Steen (DEN)21660-126 ≣E41Tournament
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
319NicolaiHoekstra W0-140 ≣E20corr.
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
316Hoffmann Alexande...2135Gutsche Klemens0-136 ≣E20Oberliga NRW 1985/86
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
786Hasanova Turkan (...1897Timman Jan H (NED)25800-143 ≣E41Cup President13 May 2008
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
449Cerpa Deniz Jose ...2085Dominguez Santas ...0-146 ≣E41It (open)
603Boskovic Martin (...1999Siegmund Rainer (...21430-128 ≣E41It (open)
706Niklasson Christe...2375Brynell Stellan (...24960-128 ≣E20Ch Sweden (team) ...26 Feb 2005
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
750Ganaus Hannes (AUT)2326Slaby Jerzy (POL)24370-155 ≣E41It (open)29 Dec 2006
853Simovic Mladen (CRO)1862Marcic Ivica (CRO)20050-184 ≣E20It (open)06 May 2010
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
608Rudlof JuergenStredak Josef0-136 ≣E20It (open) (b)
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
865Nielsen John Baun...2148Eljanov Pavel (UKR)27610-140 ≣E20It (open) \01 Aug 2010
655Ditiatev Sergey (...2385Malinin Vasily B ...24990-140E20It (cat.8)
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
847Floroiu Ioana-Ale...1662Gelip Ioana (ROM)18240-139 ≣E20Ch Romania (junio...08 Apr 2010
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
816Laitinen Martti (...1857Reuben Stewart (ENG)21520-145 ≣E20Ch Europe (senior...06 Apr 2009
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
340SacchiniMalloni Marcello ...23090-126 ≣E20?
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
609Fernandez Juan C ...2410Gonzalez Aguirre ...21440-163 ≣E41It (open)
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
522Jetzl Joerg (AUT)2203Lopushnoy Denis (...23850-120 ≣E41It (cat.3)
930Cazacu Gabriela (...1814Forthofer Robert ...22590-134 ≣E20It (open)10 Jul 2012
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
511Semmel MarkusDoery Jeno (HUN)23400-141 ≣E41It (open)
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
856Doelker Kai (GER)1723Gruenter Martin (...21780-126 ≣E41Ch Germany (junio...06 Jun 2010
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
429Belcher EdwardFriedman Josef (USA)21860-160 ≣E20It (open)
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
581Sanchez BenitoCaselas Cabanas J...23160-128 ≣E41It (open)