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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
606Russell Corey (USA)2314Gulko Boris F (USA)26430-137 ≣E20Oz.com qualifier ...
758Georgiev Kiril (MKD)2649Socko Bartosz (POL)26461-038 ≣A15Ch Europe (play-o...15 Apr 2007
696Le Roux Jean-Pier...2460Lautier Joel (FRA)26820-125 ≣E41Ch France22 Aug 2004
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
160Trapl Jindrich (CZE)2336Tolush Alexander ...1-024 ≣E20Ch Europe (team)
158Iljinsky Yaroslav...2270Rosenfeld Isai K0-166 ≣E20Ch URS (1/2 final)
148Owtschinkin GPopp Franz1-041 ≣E41corr.
697Losev Sergey (RUS)2117Emeljanova M1-029 ≣E41Ch Moscow Region ...30 Aug 2004
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
701Kazakova Anastasi...1938Dokuchaeva Veroni...1-035 ≣E20Ch Privolzhskogo ...
146Toran Albero Roma...2445O'Hare E1-031 ≣E20Olympiad
145Toran Albero Roma...2445De Lange Daan1-030 ≣E20Olympiad
141Lehmann Heinz G (...2285Weise Dietrich1-041 ≣E20Ch BRD
138Matchett HGTTanfield G1-030 ≣E20Memorial Stevenson
128Napolitano Mario ...Batik Frantisek0-112 ≣E41?
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 \
117Averbakh Yuri L (...2445Rabar Braslav (YUG)1-095 ≣A17Match \
114Rubio Aguado Fern...Reisdoerfer1-030 ≣E20Cup European Club02 Oct 1955
113Alster Ladislav (...Filip F1-046 ≣E20Ch Czechoslovakia...22 Aug 1955
119KunzDudeck1-040 ≣E20Memorial Dyckhoff...
108Doda Zbigniew (POL)2345Solecki Zbigniew0-134 ≣A17Ch Poland
734Pham Nguyen Hoang...Truong Bao Thach ...0-143 ≣E20Ch Vietnam (junio...18 Jul 2006
98Kovacs Laszlo M (...2339Cala' Ugo1-025 ≣E41Olympiad12 Sep 1954
94Geller Efim P (RUS)2455Broadbent Reginal...1-044 ≣E20Match \
93Kazic Bozidar (YUG)Maricic1-033 ≣E41Ch Yugoslavia (co...
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
84Keres Paul (EST)2580Mikkov U1-012 ≣E41Ch Estonia (open)
83Gligoric Svetozar...2447Bolbochan Jacobo ...1-045 ≣E41It
79Gawlikowski Stani...Gadalinski Jan (POL)0-132 ≣E20Ch Poland27 Oct 1952
77Boleslawski ZbigniewGawlikowski Stani...1-051 ≣E20Ch Poland17 Oct 1952
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
75Santiago Oliveira...Paiva Omar0-136 ≣E20Ch Brazil
74Lima EdmundoPaiva Omar0-139 ≣E20Ch Brazil
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
59Geller Efim P (RUS)2455Lipnitsky Isaak (...1-033 ≣E20Ch URS
55Esposito AlfredoSouza Mendes Joao1-023 ≣E20Zt
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
48Enevoldsen HaraldPoulsen Christian1-030 ≣E20Ch Denmark (play-...
47Gruber BratoljubDe Stefani Carlo0-139 ≣E20Match \
772Yezhel ValiantsinMoradi Amir Masoud0-157 ≣E20Ch World (juniors...25 Nov 2007
46Borisenko Georgy ...2354Sokolsky Alexey (...1-057 ≣E20Ch URS
44Mastichiadis FotisEuwe Max (NED)0-134 ≣E20Olympiad
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
782Temirov B (KAZ)2278Dzhangabylov Bakhyt1-045 ≣E20Ch Kazakhstan (ju...27 Mar 2008
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
35Aratovsky NikolaySokolsky Alexey (...0-145 ≣E20Ch URS (1/2 final)
30Mastichiadis FMoudzouneas N1-027 ≣E41Ch Greece
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
791Sidorov Kirill (RUS)1981Lubanski Mark1-027 ≣E20Cup Volga (open)
20Lisitsyn Georgy (...Sokolsky Alexey (...1-031 ≣E20Ch URS (1/2 final)
15Reshevsky Samuel ...2430Levin Jacob1-039 ≣E20Ch USA
240Samani MSharifi Poor M R0-126 ≣E20Ch Iran
12Cruz Walter Oswal...De Souza Mendes J...1-035 ≣E20Ch Brazil (qual)
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
808Slyusarenko YuGevak A0-120 ≣E41Ch City (open)
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
239Brilla Banfalvi S...Koskinen Unto1-027 ≣E20corr.
13Nuernberg FriedrichMuller Hans (AUT)0-134 ≣E20Ch Germany
10Rudakovsky Iosif ...Lisitsyn Georgy (...0-161 ≣E20Ch URS
7Klein Ernst LudwigEuwe Max (NED)0-161 ≣E20It
42Purdy John S (AUS)2143Napolitano Mario ...1-045 ≣A15?
62Huguet HGaribaldi Oscar (...1-020 ≣E20Ch Argentina
50Szabo Laszlo (HUN)1903Laszlo C (HUN)1-029 ≣E20Ch Hungary
82Keres Paul (EST)2580Ragozin Viachesla...1-041 ≣E20Tournament
818Zhmailo Yana (RUS)1746Grigorian Alvina ...1-044 ≣E20Ch Russia (junior...20 Apr 2009
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
86Berenzon MauricioMangini Jose Thiago0-136 ≣E20Ch Brazil
827Williams Ron (WLS)1944Wills Alex1-033 ≣E20It (open)14 Jul 2009
477Kojetsky Pavel (CZE)2114Vasek Dalibor (CZE)1-019 ≣E20Ch Moravia (open)
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
415Loehr GernotWingender Hans Peter1-040 ≣E20Verbandsliga Nort...
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
56Rossetto Hector (...2285Vasconcellos Fern...1-042 ≣E20Zt
419Garcia LealPerello J0-134 ≣E20Ch Europe (corr.)
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
771Usoltseva Polina ...1842Dzemliuk Elena1-050 ≣E41Ch Ukraine (junio...18 Nov 2007
69Balanel Ion (ROM)Szabo Stefan1-078E20It
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
846Chub Alexey (RUS)2094Suprunenko Yury1-034 ≣E20Tournament (Elo) \
127Esposito AlfredoPiro A1-035 ≣E20Tournament
851Torres Sevilla Cr...1943Martin Rodriguez ...1-034 ≣E41Memorial Francisc...25 Apr 2010
112Szapiro GSolecki Zbigniew1-018 ≣E20Ch Poland
4Goldstein Maurice...Lindgren George1-032 ≣A17Ch Australia29 Dec 1936
426Dauner KarlKatz Markus1-025 ≣A40Liga North Baden
286SchreiberWicklund Hansen G...1-025 ≣E20corr.
191Erozbek Akdogan2200Suwandhio Eddy0-140 ≣E20Olympiad
32Geller Efim P (RUS)2455Sokolsky Alexey (...0-172 ≣E20Ch URS
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006