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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
113Alster Ladislav (...Filip F1-046 ≣E20Ch Czechoslovakia...22 Aug 1955
360Kanko Ilkka (FIN)2231Manni Matti (FIN)22061-046 ≣E41Ch Finland (team)
657Hova Frode (NOR)1734Taksrud Vidar (NOR)20740-146 ≣E20It (open)
653Perchik VladimirKhliastikov Georg...20820-146 ≣E20Memorial I.Stepichev
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
937Vindas Moran Cami...1948Machado Ramirez A...20461-046 ≣A40Ch Costa Rica (team)29 Jul 2012
721Ruether Rudolf (GER)2188Kaiser Matthias (...22251-046 ≣E41Bayern Landesliga...23 Oct 2005
800Neverov Valeriy (...2571Constantin David ...20911-046 ≣E41It (open) \13 Sep 2008
363Stelzer Harald (GER)2272Lex Christoph (GER)22231-047E41Bundesliga 1988/8...
289McCambridge Vince...2465Frias Victor J (CHI)24931-047 ≣E41It (open)
905Yefimov Mstislav ...2168Szymanski Marcin ...24160-147 ≣E41It (open)06 Aug 2011
923Kaidanov Gregory ...2588Gerzhoy Leonid (CAN)24951-047 ≣E41It (open)05 Apr 2012
389Redmond John (IRL)2225Poulton James (ENG)23611-047 ≣A40It (open)
855Azevedo Eduardo J...1959Palacio Igor Da P...21430-147 ≣E41It (open)04 Jun 2010
473Lalic Susan (ENG)2315Stuart E Leslie (...20380-147 ≣E20It (open)
306Veenhuijzen RobertVan Der Linden P ...1-047 ≣E20corr.
866Huebner Alan-Ari ...1617Lang Martin (GER)19370-147 ≣E41It (open) \07 Aug 2010
708Podolchenko Evgen...2229Liassota Evgueni ...22431-047 ≣A40Ch Belarus (junio...11 Apr 2005
744Foisor Sabina-Fra...2326Padurariu Ioana-S...22211-047 ≣E20Ch Romania (team)...11 Nov 2006
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
99Lloyd Ken2200Van Hoorne1-047 ≣E41Ch World (juniors...
57Stoltz Gosta (SWE)Pachman Ludek (GER)22780-147 ≣A13It
307Belistri Ubaldo (...2051Vazquez L1-047 ≣E20Ch Uruguay (1/2 f...
938Haimovich Tal (ISR)2395Stange Sven (NED)21221-047 ≣E20It (open)09 Aug 2012
281Haik Aldo (FRA)2405Murey Jacob (ISR)24290-148 ≣E20It (open)10 Sep 1981
466Pribyl Martin (CZE)2390Hosek Milan (CZE)22891-048 ≣E20Czech League 1994...
96Balanel Ion (ROM)Olafsson Fridrik ...24340-148 ≣E41Zt
250Bosco Ricardo (ARG)2142Giudici Ernesto (...22801-048 ≣E41Tournament
168Kekki YrjoEriksson Lasse1-048 ≣E20?
373Minzer Claudio Ja...2452Ricardi Pablo (ARG)25131-048 ≣E41It \
881Maurer Jochen (GER)2264Scheffknecht Phil...20751-048 ≣E20Bundesliga B West...11 Mar 2011
760Sacchini Marco (ITA)2150Orlov Andrey (RUS)24810-148 ≣E20It (open)14 Jun 2007
322Ji Yunqi (CHN)2327Huang Zhengyuan (...21970-148 ≣E20Ch China
691Nowikow Siegfried...2004Juhasz Laszlo (HUN)22110-148 ≣E20It (open)20 May 2004
667Papacek TomasVoboril Pavel (CZE)21050-148 ≣E20Czech League 2002...
859Kotrotsos Vasilio...2355Stavrianakis Ioan...22510-148 ≣E20Ch Greece (team)07 Jul 2010
497Jetzl Joerg (AUT)2203Farago Ivan (HUN)25150-148 ≣E20It (open)
468Zaremba Andrie (USA)2348Ward Tom (USA)22650-149 ≣E20n) (b
326Gyorkos Lajos (HUN)2395Barati Laszlo1-049 ≣E20Ch Hungary (open)
147Wotulo Max A (INA)2245Momo Suren (MGL)0-149 ≣E20Olympiad
23Beni Alfred (AUT)2210Mueller Hans0-149 ≣E20It
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
8Gotthilf SVasiliev (RUS)0-149 ≣E41Ch \
924Freitas Romeu S (...2242Tsuboi Edson Kenj...23060-149 ≣E20It (open)22 Apr 2012
6Goldstein Maurice...Cornforth John Wa...0-149 ≣E41Ch Australia07 Jan 1937
527Neher MaxMoller Michael Dr...21850-149 ≣E20Bayern Landesliga...
430Rabara Frantisek ...1940Kalous Miroslav (...20910-149 ≣E20It (open)
11Stolberg Mark (RUS)Lisitsyn Georgy (...0-149 ≣E20Ch URS
795Shirobokov Roman ...2166Lykov Sergey (RUS)22511-049 ≣E20Memorial V.Emshanov
202Oestreich ReinhardSoelter Reinhold ...20720-149 ≣E20Ch OWL
465Herraiz Hidalgo H...2260Sanz Alonso Franc...23901-049 ≣E41Ch Spain (team)
806Arana Garate Jon ...1917Sanz Perez Eduard...21841-049 ≣A40Tournament (a)29 Nov 2008
570Roobol Martin (NED)2260Janssen Ruud (NED)23450-149 ≣E41It (open)
486Jugow Alexander (...2152Breustedt Werner ...22401-049 ≣E41Ch World (seniors)
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
90Maher VLorson Gerhard24750-149 ≣E41Olympiad
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
367KikrushkinMalikov S0-150 ≣E20Ch Club URS (team...
713Van Elst Andreas ...2282Fedorchuk Sergey ...25640-150 ≣E20It (open)10 Jul 2005
665Solano Lasierra J...2129Lafarga Santorrom...22710-150 ≣A40It (open) \22 Dec 2002
129Shamkovich Leonid...2342Tolush Alexander ...1-050 ≣E20Ch URS (1/2 final)
714Bricard Emmanuel ...2474Miezis Normunds (...24701-050 ≣E20It21 Jul 2005
680Muhammad Kamal (MAS)Yeo Min-Yang Evan...22450-150 ≣E20Ch ASEAN (juniors...
771Usoltseva Polina ...1842Dzemliuk Elena1-050 ≣E41Ch Ukraine (junio...18 Nov 2007
381Birens Eric-Andre...1969Sonntag Hans-Hube...23850-150 ≣E20It (open)
935Bosiocic Marin (CRO)2570Fedorchuk Sergey ...26301-050 ≣E20It \21 Jul 2012
590Krak Tomas (SVK)2076Juricek Stanislav...22740-150 ≣E41It (open)
831Ruiz Delgado BasilioRamirez Victor (ARG)21130-150 ≣A40Tournament (open)01 Oct 2009
836Ezat Mohamed (EGY)2459Ameir Moheb (EGY)20881-050 ≣E41Ch Arab Cities29 Oct 2009
838Altomonte Giuseppe1773Ielapi Vito (ITA)18290-150 ≣E20It (open) (b)04 Jan 2010
123Mastichiadis Foti...Weichselbaumer Er...0-150 ≣E20Olympiad11 Sep 1956
470Port Hans JuergenWalther Karl Heinz0-150 ≣E20Ch Bahn (team)
97Chistiakov Alexan...Lisitsyn Georgy (...1-051 ≣E20Ch URS (team)
431Boudin NUlveling Jacques ...21610-151 ≣A17It (open)
142Baturinsky Victor...Estrin Yakov B (RUS)24500-151 ≣E41Ch URS (corr.)
742Brossard Armel (FRA)2183Vallet Marc (FRA)21770-151 ≣E20Ch France (team) ...06 Nov 2006
332Vokac Marek (CZE)2471Damjanovic Mato (...23030-151 ≣E41It \
76Boleslawski ZbigniewGadalinski Jan (POL)0-151 ≣E20Ch Poland11 Oct 1952
528Gruss SManigk Sebastian ...21511-051 ≣E20Bundesliga (junio...
643Gutierrez Coll Ju...2050Oliver Jose Luis0-151 ≣E41It (open)
640Tsadzikidze Natia...2308Epitashvili Ketev...21731-051 ≣E41Ch Georgia (w)02 Apr 2001
321Ezeokoli MMartin Benjamin (...23750-151 ≣E41Ch World (juniors...
712Navarro Nicolas V...2182Adekola Adedeji (...20800-151 ≣E41It \24 May 2005
666Pages Rafart Jord...2120Fluvia Jordi (ESP)23940-151 ≣E20It (open)
223Oliva Lobato Pedr...2162Luckis Marcos22700-151 ≣E20It (open)
835Sedlak Nikola (SRB)2571Van Hoolandt Patr...22331-051 ≣E20Ch Europe (team)23 Oct 2009
77Boleslawski ZbigniewGawlikowski Stani...1-051 ≣E20Ch Poland17 Oct 1952
379Forster Richard (...2456Gabriel Christian...24950-151 ≣E20Ch World (juniors...
775Ipatov Alexander ...2265Golubka Petr (UKR)22701-051 ≣E41Ch Ukraine (junio...06 Dec 2007
313Knoppert Erik G J...2336Riemersma Liafber...24200-151 ≣E20Ch Netherlands (1...
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
801Yurkov Alexey (UKR)2174Minenko Andrey (RUS)23261-052 ≣E41Ch Ukraine (junio...02 Oct 2008
538Manakova Maria (SRB)2345Peptan Corina-Isa...24601-052 ≣E41Ch Yugoslavia (te...
698Lane Peter Christ...2044Brown Alan (ENG)21390-152 ≣E41It \07 Sep 2004
888Stanciu Alexandru...2308Martian Dragos-Da...20111-052 ≣E20Ch Romania (junio...15 Apr 2011
615Nikolaeva Alexand...2202Dordzhieva Nadezh...20561-052 ≣E20Ch Russia (junior...
854Chen Yun (CHN)2181Li Wenliang (CHN)24410-152 ≣E20Tournament \18 May 2010
925Sutkovic Damir (BIH)2339Smith Bryan G (USA)24500-152 ≣E20It (open)06 May 2012
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
503Karttunen Mika (FIN)2423Sorvari Jarmo (FIN)1-053 ≣A17It (open) \