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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
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
513Dreyer Martin (NZL)2310Tissir Mohamed (MAR)24540-124 ≣E41Olympiad
803Li Ruofan (SIN)2426Vasilevich Tatjan...23680-112 ≣E41World Mindsports ...08 Oct 2008
575Jugow Alexander (...2197Reichenbach Werne...22970-132 ≣E41Ch World (seniors)
699Santos Marcus Vin...2334Tsuboi Edson Kenj...23871-059 ≣E41It (cat.5)17 Oct 2004
822Ryklis BorisKolmakov Pavel (RUS)22680-122 ≣E41It (open) \19 Jun 2009
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
329Arencibia Walter ...2511Garcia Gonzales G...25101-030 ≣E41Zt
330HoltMahdeo1-042 ≣E41corr.
851Torres Sevilla Cr...1943Martin Rodriguez ...1-034 ≣E41Memorial Francisc...25 Apr 2010
922Kleine Bruna Fern...1893Ribeiro Regina (BRA)20200-125 ≣E41Ch Brazil (w)25 Mar 2012
38Najdorf Miguel (POL)2445Matanovic Aleksan...24901-036 ≣E41It
336Ilic Dragan B (SRB)2266Nikolic Stanimir ...23201-077 ≣E41?
580Kouvatsos Filippo...2116Nikolaidis Konsta...23830-131 ≣E41It (open)
29Averbakh Yuri L (...2445Kan Ilia Abramovich0-137 ≣E41Memorial N.Riumin
339Kekki Petri (FIN)2335Welin Thomas (SWE)23750-116 ≣E41It (open)
344Shereshevski Mikh...2475Kveinys Aloyzas (...23451-043 ≣E41Ch URS (1/2 final)
582Winiwarter Felix ...2225Pilaj Herwig (AUT)21970-138 ≣E41It (open)
346Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
24Milic Borislav (YUG)Kulzinski Nikolaj0-176 ≣E41Ch Yugoslavia
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
350Napolitano Mario ...Bryson0-128 ≣E41corr.
414Wills ColinGilmour Duncan1-041 ≣E41Ch Belconnen
352Vaisser Anatoly (...2530Oll Lembit (EST)24751-041 ≣E41Cup URS (active)
416Gokhale J Tratar ...Fish Gennadij (GER)24400-154 ≣E41Ch World (juniors...
2Rjumin N (RUS)Panov Vasily N (RUS)1-042 ≣E41Ch URS
463Sukudian RubenGomez Baillo Jorg...24200-141 ≣E41It (open) \
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
584Toth JuergenPetrovic Goran1-027 ≣E41It (open)
382Winiwarter Felix ...2176Gerhold Michael (...22511-035 ≣E41Staatsliga
342Hill Robin (AUS)2175Parsonage Ian (AUS)22151-076 ≣E41Ch Australia
16Lilienthal Andor ...2385Kottnauer Cenek (...23701-015 ≣E41Match \
18Sajtar Jaroslav (...Kottnauer Cenek (...23701-032 ≣E41Memorial K.Treybal
585Chiong Luis (PHI)2387Divljan Igor (YUG)21651-032 ≣E41It (open)
21Gligoric Svetozar...2447Radojcic Miroslav1-033 ≣E41Ch Yugoslavia
22Lilienthal Andor ...2385Smyslov Vassily (...24941-044 ≣E41Tournament
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
283Kretschmar HeinzDubinin Peter V (...0-138 ≣E41corr.
30Mastichiadis FMoudzouneas N1-027 ≣E41Ch Greece
31Bolbochan Jacobo ...Luckis Marcos22700-159 ≣E41It
34Rossolimo Nichola...2450Golombek Harry (ENG)23201-022 ≣E41It
586Danielsen Arne (NOR)2243Lilleoren David (...20800-142 ≣E41Ch Norway (team) ...
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
360Kanko Ilkka (FIN)2231Manni Matti (FIN)22061-046 ≣E41Ch Finland (team)
923Kaidanov Gregory ...2588Gerzhoy Leonid (CAN)24951-047 ≣E41It (open)05 Apr 2012
363Stelzer Harald (GER)2272Lex Christoph (GER)22231-047E41Bundesliga 1988/8...
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
855Azevedo Eduardo J...1959Palacio Igor Da P...21430-147 ≣E41It (open)04 Jun 2010
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
771Usoltseva Polina ...1842Dzemliuk Elena1-050 ≣E41Ch Ukraine (junio...18 Nov 2007
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
594Tikhanov Adolf (RUS)2235Orlov Vassily (RUS)24310-154 ≣E41It (open) \
373Minzer Claudio Ja...2452Ricardi Pablo (ARG)25131-048 ≣E41It \
860Swiech Przemyslaw...1448Bartoszek Marcin ...18011-013 ≣E41Ch Poland (team) ...08 Jul 2010
813Zell StefanFrombach Ralf (GER)22160-1114 ≣E41NRW-liga 2008/0901 Mar 2009
61Kottnauer Cenek (...2370Sliwa Bogdan (POL)22351-040 ≣E41Memorial G.Maroczy
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
65Aleman Dovo MiguelGonzalez0-136 ≣E41It
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
377Dreyer Martin (NZL)2275Teo Kok-Siong (SIN)22740-160 ≣E41Olympiad
71Rabar Braslav (YUG)Toth Vince (HUN)1-045 ≣E41It
73Cordioli Lourenci...1995De Carvalho Flavio0-138 ≣E41Ch Brazil
378Borulya Ekaterina...2308Tsiganova Monika ...21730-145 ≣E41Ch URS (w)
861Swiech Przemyslaw...1448Obrusnik Michal (...22100-140 ≣E41Ch Poland (team) ...10 Jul 2010
601Moskalenko Viktor...2508Bevia Luis Martin...21731-031 ≣E41It (open)
604Toth Bela (ITA)2389Kluss Kai (GER)22271-030 ≣E41Bundesliga (2nd) ...
862Musialkiewicz Jan...2104Borawski Jakub (POL)18670-121 ≣E41Ch Poland (team) ...10 Jul 2010
864Grochowski Marius...1919Tarajkiewicz Krzy...14661-029 ≣E41It (open)17 Jul 2010
890Dobos Jozsef (HUN)2272Kelemen Gabor (HUN)21890-141 ≣E41Ch Hungary (team)...01 May 2011
84Keres Paul (EST)2580Mikkov U1-012 ≣E41Ch Estonia (open)
524Punteri Marco (ITA)2049De Bortoli Peter ...21831-027 ≣E41Ch Italy (juniors)
610Sarthou Gaetan (FRA)2399Spiridonov Nikola...24000-134 ≣E41It
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
611Fiorito Fabian (ARG)2418Santa Coloma Ernesto1-038 ≣E41It (open)
93Kazic Bozidar (YUG)Maricic1-033 ≣E41Ch Yugoslavia (co...
392Urbatsch MarkSobczak Miroslaw ...19621-027 ≣E41corr.
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
98Kovacs Laszlo M (...2339Cala' Ugo1-025 ≣E41Olympiad12 Sep 1954
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
101Petrosian Tigran ...2580Benko Pal C (USA)24081-027 ≣E41Match \
820Ruiz Rodriguez Fe...Norte Garcia Andr...17040-131 ≣E41Tournament (open)...09 May 2009
104Sherbakov2415Levit Roman (USA)22751-023 ≣E41Ch URS (1/2 final)
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
866Huebner Alan-Ari ...1617Lang Martin (GER)19370-147 ≣E41It (open) \07 Aug 2010
292Vyzmanavin Alexey...2540Razuvaev Yuri S (...25100-127 ≣E41Ch URS (1 liga)
171Kanko Ilkka (FIN)2231Ofstad Per (NOR)21821-028 ≣E41Zt
616Petritaj Ferdinan...2194Van Hoolandt Patr...21691-028 ≣E41It (open)
743Olshevskiy Maxim ...2039Rodionov Georgy (...19811-088 ≣E41Ch Ukraine (junio...06 Nov 2006
433MacKay Ian D (SCO)2289Motwani Paul (SCO)24940-173 ≣E41Ch Scotland
402Rodrigues JPOliveira Antonio ...22221-033 ≣E41It (open)
404Dreyer Martin (NZL)2275Metge J Nigel (NZL)21301-039 ≣E41Ch New Zealand
619Berg Kurt M (NOR)Royset Paal (NOR)22570-170 ≣E41It (open)
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
173Averbakh Yuri L (...2445Matanovic Aleksan...24900-172 ≣E41Match \
749Chiong Luis (PHI)2364Paciencia Enrique...24320-141 ≣E41It (open)26 Dec 2006