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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
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
53Perez Perez Franc...Prins Lodewijk (NED)22200-132 ≣E20It
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
37Spanjaard EduardVan Den Berg Care...24100-118 ≣E20Ch Netherlands
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
51Udovcic Mijo (YUG)2460Puc Stojan (SLO)22550-139E20Ch Yugoslavia
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
44Mastichiadis FotisEuwe Max (NED)0-134 ≣E20Olympiad
439Ceragioli JohnHimes Harold0-130 ≣E20Ch State California
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
26Olivera AlfredoLuckis Marcos22700-167 ≣E20It
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
409Jansson Anders O ...2106Jagerflod Kent (SWE)19780-157 ≣E20Ch Sweden (corr.)
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
612Duchateau Thomas ...2060Harovelo Ingmar (...21980-137 ≣E20It (open)
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
214Nielsen Carl-EvaldOe Oluf (DEN)20610-143 ≣E20Memorial L.Rasmussen
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
253Swindell LMartz William R0-142 ≣E20It \
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
401Birens Eric-Andre...1969Tjiam Dharma (NED)23820-159 ≣E20It (open)
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
319NicolaiHoekstra W0-140 ≣E20corr.
144GolschmanGonzales Gil J0-133 ≣E20Tournament
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
176Kekki YrjoKaasalainen Arvo0-139E20?
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
316Hoffmann Alexande...2135Gutsche Klemens0-136 ≣E20Oberliga NRW 1985/86
340SacchiniMalloni Marcello ...23090-126 ≣E20?
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
706Niklasson Christe...2375Brynell Stellan (...24960-128 ≣E20Ch Sweden (team) ...26 Feb 2005
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
853Simovic Mladen (CRO)1862Marcic Ivica (CRO)20050-184 ≣E20It (open)06 May 2010
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
608Rudlof JuergenStredak Josef0-136 ≣E20It (open) (b)
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
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)
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
930Cazacu Gabriela (...1814Forthofer Robert ...22590-134 ≣E20It (open)10 Jul 2012
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \