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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
1Rellstab Ludwig S...2265Pahl Kurt1-012 ≣E41
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
5Mikenas Vladas I ...2405Fairhurst William...23001-030 ≣E41It
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
9Kotov Alexander A...2500Lisitsyn Georgy (...1-033 ≣E41Ch URS
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
17Najdorf Miguel (POL)2445Rohacek Vladimir ...1-020 ≣E41Memorial K.Treybal
18Sajtar Jaroslav (...Kottnauer Cenek (...23701-032 ≣E41Memorial K.Treybal
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
30Mastichiadis FMoudzouneas N1-027 ≣E41Ch Greece
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
38Najdorf Miguel (POL)2445Matanovic Aleksan...24901-036 ≣E41It
58Brunet PhilipZalys Ignas0-160 ≣E41Match
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
83Gligoric Svetozar...2447Bolbochan Jacobo ...1-045 ≣E41It
84Keres Paul (EST)2580Mikkov U1-012 ≣E41Ch Estonia (open)
85Geller Efim P (RUS)2455Euwe Max (NED)0-126 ≣E41Tournament (candi...
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
93Kazic Bozidar (YUG)Maricic1-033 ≣E41Ch Yugoslavia (co...
95Ribeiro Joao Mari...2276Golombek Harry (ENG)23200-143 ≣E41Zt
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
98Kovacs Laszlo M (...2339Cala' Ugo1-025 ≣E41Olympiad12 Sep 1954
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
101Petrosian Tigran ...2580Benko Pal C (USA)24081-027 ≣E41Match \
103Vladimirov Boris ...2340Simagin Vladimir ...0-143 ≣E41Ch URS (1/2 final)
104Sherbakov2415Levit Roman (USA)22751-023 ≣E41Ch URS (1/2 final)
124Johannessen Svein...2273Gislason Sigurgei...1-040 ≣E41Olympiad16 Sep 1956
128Napolitano Mario ...Batik Frantisek0-112 ≣E41?
134Cintron RafaelCardoso Radolfo T...23300-142 ≣E41Olympiad
135Pasman MarksKlasups Karlis1-040 ≣E41Ch Riga
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
148Owtschinkin GPopp Franz1-041 ≣E41corr.
151Gasztonyi Endre (...2295Vladimirov Boris ...23400-135E41Match \
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
171Kanko Ilkka (FIN)2231Ofstad Per (NOR)21821-028 ≣E41Zt
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil
200Tabakiernik WLambshire MV0-140 ≣E41Ch Great Britain
209Muratov Vladimir ...Kacaiev1-031 ≣E41Ch Kazakhstan
212Szabo Laszlo (HUN)1903Najdorf Miguel (POL)24450-125 ≣E41It
215Holmers EJGibbs Peter C (ENG)1-039 ≣E41corr.
219Glotov VSoloviev Vladimir...23420-125 ≣E41?
224Shereshevski Mikh...2475Korelov Alexander...23751-045 ≣E41Memorial A.Sokolsky
229Szabo Laszlo (HUN)1903Gheorghiu Florin ...25501-042 ≣E41Ch Europe (team)
235Shereshevski Mikh...2475Ubilava Elizbar (...25271-040 ≣E41Ch URS (young mas...
243Dittmann Hans-Ado...2170Groenegres Wilfri...21340-142 ≣E41It (b)
250Bosco Ricardo (ARG)2142Giudici Ernesto (...22801-048 ≣E41Tournament
251Kretschmar HeinzKramer Haije J (NED)23300-134 ≣E41Olympiad (corr.)
261Rastenis Gedimina...2333Zaichik Gennadi (...24570-126 ≣E41Ch URS (young mas...
267Szabo Laszlo (HUN)1903Lein Anatoly (USA)25350-142 ≣E41?
269Barbero Gerardo F...2441Panno Oscar (ARG)25400-144 ≣E41It (open)
274Schuster Carlos (...2294Moscovich Fabian ...20501-026 ≣E41Ch Argentina (und...
275Brionne Thierry (...2112Borg Geoffrey (MLT)23670-127 ≣E41Ch Europe (juniors)
276Brionne Thierry (...2112Michiels Dirk0-127 ≣E41Ch Europe (juniors)
278Toth Bela (ITA)2400Csom Istvan (HUN)25000-140 ≣E41It \
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
289McCambridge Vince...2465Frias Victor J (CHI)24931-047 ≣E41It (open)
292Vyzmanavin Alexey...2540Razuvaev Yuri S (...25100-127 ≣E41Ch URS (1 liga)
294Martin Andrew D (...2445Grooten Herman (NED)23331-031 ≣E41It \
296Toth Bela (ITA)2345Mandl Robert (GER)22881-029 ≣E41It (open)
297Popp Klaus2200Weigel Herbert (GER)21181-031 ≣E41Ch Mittelfranken
298Psakhis Lev (ISR)2540Plaskett Jim (ENG)24800-126 ≣E41?
301Vallifuoco Giovan...2155Belotti Bruno (ITA)24330-132 ≣E41Ch Italy
303Anderson AnthonyAlmeida Jose T (POR)21980-142 ≣E41Ch World (team) (...
304McCambridge Vince...2465Contin Daniel (ITA)22301-044 ≣E41Ch World (team) (...
311Ehrnrooth JohanPlank Gosta1-029 ≣E41?
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
323Peterman RRohde Michael A (...25500-124 ≣E41It (open)
329Arencibia Walter ...2511Garcia Gonzales G...25101-030 ≣E41Zt
330HoltMahdeo1-042 ≣E41corr.
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
333Deze Anton (YUG)2405Rajkovic Dusan (SRB)24800-139 ≣E41?
335Ilic Dragan B (SRB)2266Busch Wladimir1-028 ≣E41It (open)
336Ilic Dragan B (SRB)2266Nikolic Stanimir ...23201-077 ≣E41?
339Kekki Petri (FIN)2335Welin Thomas (SWE)23750-116 ≣E41It (open)
342Hill Robin (AUS)2175Parsonage Ian (AUS)22151-076 ≣E41Ch Australia
344Shereshevski Mikh...2475Kveinys Aloyzas (...23451-043 ≣E41Ch URS (1/2 final)
346Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
350Napolitano Mario ...Bryson0-128 ≣E41corr.
352Vaisser Anatoly (...2530Oll Lembit (EST)24751-041 ≣E41Cup URS (active)
360Kanko Ilkka (FIN)2231Manni Matti (FIN)22061-046 ≣E41Ch Finland (team)
363Stelzer Harald (GER)2272Lex Christoph (GER)22231-047E41Bundesliga 1988/8...
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
373Minzer Claudio Ja...2452Ricardi Pablo (ARG)25131-048 ≣E41It \