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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
530De Groot ThijsCarstensen Jacob ...21650-168 ≣E20It (open) (juniors)
850Veleski Robert (MKD)2282Cioara Andrei Nes...24260-143 ≣E20It (open) \21 Apr 2010
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
484Vigh Bela (HUN)2355Polak Tomas (CZE)24500-129 ≣E20It (open)
81Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22350-143 ≣E20It
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
46Borisenko Georgy ...2354Sokolsky Alexey (...1-057 ≣E20Ch URS
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
14Reshevsky Samuel ...2430Denker Arnold S (...22931-045 ≣E20Ch USA
39Bronstein David I...2432Smyslov Vassily (...24941-058 ≣E20Tournament (candi...
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
54Tramoyeres PEnevoldsen Jens (...23500-174 ≣E20It
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
596Shields Sylvia (AUS)Dekic Biljana N (...21181-044 ≣E20Ch Australia (w)
252Wiedenhoft LNeckel O1-055 ≣E20corr.
242Starck Bodo (GER)2248Broberg Horst (GER)20910-159 ≣E20Ch DDR
214Nielsen Carl-EvaldOe Oluf (DEN)20610-143 ≣E20Memorial L.Rasmussen
253Swindell LMartz William R0-142 ≣E20It \
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
401Birens Eric-Andre...1969Tjiam Dharma (NED)23820-159 ≣E20It (open)
409Jansson Anders O ...2106Jagerflod Kent (SWE)19780-157 ≣E20Ch Sweden (corr.)
129Shamkovich Leonid...2342Tolush Alexander ...1-050 ≣E20Ch URS (1/2 final)
144GolschmanGonzales Gil J0-133 ≣E20Tournament
176Kekki YrjoKaasalainen Arvo0-139E20?
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
116Geller Efim P (RUS)2455Smyslov Vassily (...24940-156 ≣E20Tournament (candi...
165Colon H (PUR)Chipev T (BUL)0-140 ≣E20Olympiad
159Iljinsky Yaroslav...2270Seoev Robert (TKM)22211-045 ≣E20Ch URS (1/2 final)
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
754Van Elst Andreas ...2350Ducret Thomas (FRA)22251-055 ≣E20Ch France (team) ...21 Jan 2007
765Pak Evgeniy (KAZ)2184Salehian Sina (IRI)20301-064 ≣E20Olympiad (under 16)08 Aug 2007
107Ajanski Jordan S ...2350Kolarov Atanas S ...24150-135 ≣E20Ch Bulgaria
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
769Denisov Boris (RUS)1987Mukhin Alexey (RUS)17261-061 ≣E20Ch Russia (PODA)07 Nov 2007
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
767Wohlers-Armas Fri...2141Collas Silvia (FRA)24080-133 ≣E20Ch France (w)15 Aug 2007
732Berczes David (HUN)2415Kincs Imre (HUN)22401-041 ≣E20It (open)24 Jun 2006
799Blackburn Joathan...2175Campbell Ian (ENG)20311-035 ≣E20Ch European Union12 Sep 2008
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
756Steinmacher Josef...2067Zuelle Bruno (SUI)21401-041 ≣E20Ch Baden (b)06 Apr 2007
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
602Schroll Ralph (GER)2174Suess Helmut (GER)19861-027 ≣E20Ch Mittelfranken ...
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
489Jetzl Joerg (AUT)2203Prudhomme Franck ...21371-028 ≣E20It (open)
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
306Veenhuijzen RobertVan Der Linden P ...1-047 ≣E20corr.
319NicolaiHoekstra W0-140 ≣E20corr.
551Kovacs Lajos (HUN)2138Computer \1-029 ≣E20It (open) \
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
372Fischer Sebastian...2271Beisser Georg20451-045 ≣E20Ch Bayern (2)
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)
387McReamonn BDarby C1-034 ≣E20It (open)
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...
359Horch JMicheel1-032 ≣E20Ch DDR (corr.)
341Federau Juergen (...2186Matthigak W1-032E20Bundesliga 1987/88
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
257Haggren Stig-Olof...2009Lyly Seppo (FIN)19371-030 ≣E20?
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
938Haimovich Tal (ISR)2395Stange Sven (NED)21221-047 ≣E20It (open)09 Aug 2012
672Mesko Andrej (CRO)2067Saric Ante (CRO)24370-130 ≣E20Ch Croatia (junio...
608Rudlof JuergenStredak Josef0-136 ≣E20It (open) (b)
881Maurer Jochen (GER)2264Scheffknecht Phil...20751-048 ≣E20Bundesliga B West...11 Mar 2011
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)
621Castillo Garcia E...1858Beltran Lopez Fer...1-035 ≣E20It (open) (b)
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
651Kaminik Aleksanda...2266Ruderfer Mark B (...23440-134 ≣E20Ch Israel (team)
930Cazacu Gabriela (...1814Forthofer Robert ...22590-134 ≣E20It (open)10 Jul 2012
903Andris Valentin1697Klemt Gerhard16071-036E20It \17 Jul 2011
637Shevchenko MaksimLanin Alexsej (RUS)21660-126E20Ch Russia (junior...
66Doerner CharlesGerman Eugenio (BRA)23150-164 ≣E20Olympiad
578Konovalova Olesia...2156Kalinina Vladisla...22390-139 ≣E20Ch Ukraine (junio...