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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
255Niklasson Christe...2350Kaiszauri Konstan...24200-131 ≣E20?
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
761Hubel Merten (GER)2093Rueberg Jobst (GER)22230-143 ≣E20It (open)26 Jun 2007
48Enevoldsen HaraldPoulsen Christian1-030 ≣E20Ch Denmark (play-...
732Berczes David (HUN)2415Kincs Imre (HUN)22401-041 ≣E20It (open)24 Jun 2006
59Geller Efim P (RUS)2455Lipnitsky Isaak (...1-033 ≣E20Ch URS
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
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
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)
257Haggren Stig-Olof...2009Lyly Seppo (FIN)19371-030 ≣E20?
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
847Floroiu Ioana-Ale...1662Gelip Ioana (ROM)18240-139 ≣E20Ch Romania (junio...08 Apr 2010
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
769Denisov Boris (RUS)1987Mukhin Alexey (RUS)17261-061 ≣E20Ch Russia (PODA)07 Nov 2007
621Castillo Garcia E...1858Beltran Lopez Fer...1-035 ≣E20It (open) (b)
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
79Gawlikowski Stani...Gadalinski Jan (POL)0-132 ≣E20Ch Poland27 Oct 1952
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
155Taieb AKuijpers Frans A ...22800-136 ≣E20Olympiad (student...
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
602Schroll Ralph (GER)2174Suess Helmut (GER)19861-027 ≣E20Ch Mittelfranken ...
55Esposito AlfredoSouza Mendes Joao1-023 ≣E20Zt
75Santiago Oliveira...Paiva Omar0-136 ≣E20Ch Brazil
105Geller Efim P (RUS)2455Spassky Boris V (...25480-131 ≣E20Ch URS
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
543Lutter Ladislav (...1940Janos Jozef (SVK)21450-168 ≣E20Ch Slovakia (team...
577Heindrich Janos (...2147Horvath Karoly (HUN)21460-144 ≣E20Cup Hajduboszormeny
498Garneli EvageliaKalesis Nikolaos ...23900-123 ≣E20It (open)
43Castillo Larenas ...O'kelly De Galway...24600-142 ≣E20Olympiad
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
587Feoktistov Alexey...2359Ovod Evgenija (RUS)23031-040 ≣E20Cup Russia (open)
15Reshevsky Samuel ...2430Levin Jacob1-039 ≣E20Ch USA
387McReamonn BDarby C1-034 ≣E20It (open)
231Haut HKetzscher Roland ...20850-159 ≣E20corr.
156Trapl Jindrich (CZE)2336Marsalek Josef (CZE)20711-025 ≣E20Ch Czechoslovakia
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
44Mastichiadis FotisEuwe Max (NED)0-134 ≣E20Olympiad
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
176Kekki YrjoKaasalainen Arvo0-139E20?
444Thron CarstenHelms Sven (GER)20600-144 ≣E20Ch JBLN East 1993/94
362Birens Eric-Andre...1969Stawiarski Edmond...21680-140 ≣E20Ch France (qual)
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
523Liardet Fabrice (...2380Zhu Chen (QAT)25151-041 ≣E20It (open)
288Vyzmanavin Alexey...2540Chernin Alexander...24751-042 ≣E20Ch URS
50Szabo Laszlo (HUN)1903Laszlo C (HUN)1-029 ≣E20Ch Hungary
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
340SacchiniMalloni Marcello ...23090-126 ≣E20?
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
144GolschmanGonzales Gil J0-133 ≣E20Tournament
49Donner Jan-Hein (...2430Matanovic Aleksan...24900-142 ≣E20Zt
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
361Birens Eric-Andre...1969Roos Celine (FRA)21450-169 ≣E20Ch France (qual)
745Calisi Elia (ITA)1884Gambardella Piero...20370-143 ≣E20Memorial Magari12 Nov 2006
45Mastichiadis FotisO'kelly De Galway...24600-141 ≣E20Olympiad
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
286SchreiberWicklund Hansen G...1-025 ≣E20corr.
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
299Quinque KFauth Heinz1-041 ≣E20corr.
316Hoffmann Alexande...2135Gutsche Klemens0-136 ≣E20Oberliga NRW 1985/86
70Averbakh Yuri L (...2445Estrin Yakov B (RUS)24500-164 ≣E20Ch Moscow
192Szabo Laszlo (HUN)1903Ortega Ruiz Jose ...22661-041 ≣E20Olympiad
87Fragoso DarcyVasconcellos Fern...0-158 ≣E20Ch Brazil
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
186Hruska Tomas (CZE)2026Petras Jan (CZE)20850-175 ≣E20Ch Czechoslovakia...
127Esposito AlfredoPiro A1-035 ≣E20Tournament
211Piket Joop J (NED)2125Tatai Stefano (ITA)23670-133 ≣E20It \
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
239Brilla Banfalvi S...Koskinen Unto1-027 ≣E20corr.
325Schlenga KlausPliester Leon (NED)23920-137 ≣E20Ch Netherlands (o...
12Cruz Walter Oswal...De Souza Mendes J...1-035 ≣E20Ch Brazil (qual)
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
69Balanel Ion (ROM)Szabo Stefan1-078E20It
359Horch JMicheel1-032 ≣E20Ch DDR (corr.)
154Eriksson GHavansi Erkki E T...22230-144 ≣E20Olympiad (student...
341Federau Juergen (...2186Matthigak W1-032E20Bundesliga 1987/88
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
403Wallace John Paul...2398Kagan Naum (AUS)22130-160 ≣E20It
63Huguet HLuckis Marcos22701-031 ≣E20Ch Argentina
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
544Stefanek Piotr (POL)2182Kollarik Gorazd (...18731-035 ≣E20Ch Slovakia (team...
152Robatsch Karl (AUT)2349Pachman Ludek (GER)22780-129 ≣E20It
39Bronstein David I...2432Smyslov Vassily (...24941-058 ≣E20Tournament (candi...
627Holopainen Timo (...2231Henttinen Markku ...22850-138 ≣E20Ch Finland (team)...
143Maska JWolff H20001-039 ≣E20Europe Tournament...
706Niklasson Christe...2375Brynell Stellan (...24960-128 ≣E20Ch Sweden (team) ...26 Feb 2005
111Kwapisz StanislawSolecki Zbigniew0-177 ≣E20Ch Poland
129Shamkovich Leonid...2342Tolush Alexander ...1-050 ≣E20Ch URS (1/2 final)