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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
573Kaminik Aleksanda...2179Ibragimov Ildar (...25540-140 ≣E20It (open)
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
393Polgar Zsuzsa (USA)2540Granda Zuniga Jul...25651-041 ≣E20It
724Gajewski Grzegorz...2515Heberla Bartlomie...25691-056 ≣E20Ch Poland03 Mar 2006
40Szabo Laszlo (HUN)1903Keres Paul (EST)25800-146 ≣E20Tournament (candi...
280Asfora Marco (BRA)2219Milos Gilberto (BRA)25970-156 ≣E20Ch Brazil
455Suarez Soria CEhlvest Jaan (USA)26000-127 ≣E20It (open)
287Vyzmanavin Alexey...2540Beliavsky Alexand...26001-042 ≣E20Ch URS
595Miton Kamil (POL)2401Goldin Alexander ...26021-036 ≣E20It (open)
729Lockwood William ...1895Spraggett Kevin (...26100-144 ≣E20It (open)22 Apr 2006
935Bosiocic Marin (CRO)2570Fedorchuk Sergey ...26301-050 ≣E20It \21 Jul 2012
606Russell Corey (USA)2314Gulko Boris F (USA)26430-137 ≣E20Oz.com qualifier ...
914Cyra Dariusz (POL)1832Riazantsev Alexan...27100-136 ≣E20Ch Europe (active)17 Dec 2011
865Nielsen John Baun...2148Eljanov Pavel (UKR)27610-140 ≣E20It (open) \01 Aug 2010
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007
899Rodriguez Eric (USA)2337Poza Juan Carlos0-131 ≣E20It (open)08 Jul 2011
901Williams Ron (WLS)1819Dodington Russell H1-029 ≣E20It \12 Jul 2011
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
927Ghollasi Mood Moj...1991Amin Afshar Hossein1-066 ≣E20Tournament (Elo)09 Jun 2012
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
939Schulte-Braeucker...Essegern K1-028 ≣E20Ch Germany (seniors)16 Aug 2012
477Kojetsky Pavel (CZE)2114Vasek Dalibor (CZE)1-019 ≣E20Ch Moravia (open)
139Espinoza CarlosPinzon Solis Filipe0-141 ≣E20It
246Gotzhein HKuehn0-143 ≣E20corr.
474Kuta MiroslavVesely Roman1-043 ≣E20It (open)
417Petrov Peter2325Christov I0-133 ≣E20corr.
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
140Sumar Julio (PER)2120Del Pozo Nestor1-054 ≣E20It
78Grynfeld Izaak (POL)Gadalinski Jan (POL)1-036E20Ch Poland17 Oct 1952
168Kekki YrjoEriksson Lasse1-048 ≣E20?
218Cafure EmilioCruz Raul0-125 ≣E20It (open)
220Dreesbach HSchafer Rudiger1-038 ≣E20corr.
221PopovCarosi1-029 ≣E20corr.
690Willinger TimO'Reilly Gerard0-168 ≣E20It (open)24 Apr 2004
702Khattapova Aigul ...1956Ishmurzina Liliya...1-065 ≣E20Ch Privolzhskogo ...
234Vehreschild HScheffer G1-023 ≣E20corr.
236Kornath Heinrich ...1901Teichgraber G1-019 ≣E20Europe Tournament...
238Brilla Banfalvi S...Bjorkqvist Armas1-020 ≣E20corr.
241Lim Kok Ann Dr (SIN)2038Sztekel1-041 ≣E20Olympiad
244Kaltofen HSchwanfelder Martin1-022 ≣E20corr.
245Putkonen HeikkiRantanen Veikko0-135 ≣E20?
316Hoffmann Alexande...2135Gutsche Klemens0-136 ≣E20Oberliga NRW 1985/86
213Epelman E GProkopp Heinz1-022 ≣E20Europe Tournament...
258Koskinen Erkki (FIN)1952Virtanen Matti1-044 ≣E20?
262Vaisanen VeikkoHonkaniemi Raimo1-037 ≣E20?
263Gotzhein HLauer F0-155 ≣E20corr.
266Toth Bela (ITA)2345Olivotto Roberto1-031 ≣E20Ch Italy
205Piket Joop J (NED)2125Kunnen1-026 ≣E20Ch Netherlands (t...
282Brkusanin DBiukovic Goran (CRO)1-027 ≣E20It (open)
285SchreiberJakimenko A0-138 ≣E20corr.
300SchreiberSchmidt0-132 ≣E20corr.
310Tacu Victor-Mihai...2173Sutton0-132 ≣E20Europe Tournament...
307Belistri Ubaldo (...2051Vazquez L1-047 ≣E20Ch Uruguay (1/2 f...
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
203Nevole Vladimir (...2051Slizak1-042 ≣E20?
197Litkiewicz Kurt (...2240Maton A1-022 ≣E20Europe Tournament...
187Kasanen JuhaSoom1-017 ≣E20Olympiad (student...
326Gyorkos Lajos (HUN)2395Barati Laszlo1-049 ≣E20Ch Hungary (open)
185Lubienski Tadeusz...2033Salminsh Gedimins...0-135 ≣E20Cup Baltic (corr.)
331Hart Theo (GER)1927Gruber W1-025 ≣E20It (open)
345Computer \Computer \0-138 ≣E20Ch Netherlands (c...
357LarssonJohansson1-026 ≣E20Cup Nordic (corr.)
358Mustonen VesaWelling Pauli1-054 ≣E20?
182Camara Helder (BRA)2347De Freitas Marcio...1-042 ≣E20Ch Brazil
364Schmidt KerstinPirrung Robert0-132 ≣E20Ch BRD (under 25)...
181Piket Joop J (NED)2125Agnes Corrado1-022 ≣E20Ch World (team) (...29 Jul 1964
180Detthow BoDe Freitas Marcio...0-141 ≣E20Zt
376Clement CCallychurn J1-062 ≣E20Olympiad
167Kristinsson (ISL)Tsagan T (MNG)1-038 ≣E20Olympiad
166Johannessen Svein...2273Filipov F (BUL)1-041 ≣E20Olympiad
161Farias Sergio A (...2220Hollmann Jose0-188 ≣E20Ch Brazil
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
397Hagstrom AllanKalveus Jan (SWE)1-039 ≣E20Ch Sweden (corr.)
399Blanco Cesar Augu...2105Roldan Manzo Eddy R1-041 ≣E20Ch Guatemala \
400Blanco Cesar Augu...2105Roldan Manzo Eddy R0-139 ≣E20Ch Guatemala (may...
158Iljinsky Yaroslav...2270Rosenfeld Isai K0-166 ≣E20Ch URS (1/2 final)
423Bauerle PHaakonstad O1-030 ≣E20Tournament
420Kozlowski Waldema...2042Bonarek L1-044 ≣E20Ch Poland (corr.)
424Kaminik Aleksanda...2200Port Hans Juergen1-032 ≣E20Ch Bahn (G)
427Schaedler Juergen...2096Mettendorf G1-040 ≣E20Oberliga Baden 19...
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
435Port Hans JuergenWalther Karl Heinz1-045 ≣E20Ch Bahn (H)
436Maenner AchimThom Ulrich0-138 ≣E20Verbandsliga Nort...
146Toran Albero Roma...2445O'Hare E1-031 ≣E20Olympiad
440Kozlowski Waldema...2042Chruszcz T0-126 ≣E20Ch Poland (corr.)
145Toran Albero Roma...2445De Lange Daan1-030 ≣E20Olympiad
442Bauerle PBluestone M1-032E20It (open) \
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
138Matchett HGTTanfield G1-030 ≣E20Memorial Stevenson
126KabanovBoleslavsky Isaak...0-134 ≣E20Ch Belarus
125Mastichiadis Foti...O'Riordan Kenneth...1-026 ≣E20Olympiad17 Sep 1956
123Mastichiadis Foti...Weichselbaumer Er...0-150 ≣E20Olympiad11 Sep 1956
118Geller Efim P (RUS)2455Djurasevic Bozida...1-042 ≣E20Match \
470Port Hans JuergenWalther Karl Heinz0-150 ≣E20Ch Bahn (team)
114Rubio Aguado Fern...Reisdoerfer1-030 ≣E20Cup European Club02 Oct 1955
113Alster Ladislav (...Filip F1-046 ≣E20Ch Czechoslovakia...22 Aug 1955
119KunzDudeck1-040 ≣E20Memorial Dyckhoff...
94Geller Efim P (RUS)2455Broadbent Reginal...1-044 ≣E20Match \
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
525Mustonen VesaLehtinen Pentti0-160 ≣E20?