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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
764Kazakova AnastasiaAbdrakhmanova Sar...20040-141 ≣E20Tournament (junio...
434Minzer Claudio Ja...2370Aberbach Angel (ARG)20301-027 ≣E41It (open)
704Nikolaeva Alexand...2133Abrashkin Boris (...23880-131 ≣E20Ch PriFO11 Dec 2004
540Vladimirov Boris ...2340Abzhirko Nikolay ...20571-047 ≣E41It (seniors)
712Navarro Nicolas V...2182Adekola Adedeji (...20800-151 ≣E41It \24 May 2005
346Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
347Palsson B (ISL)2020Adorjan Andras (HUN)25200-133 ≣E41It (open)
412Karsa Laszlo (HUN)2346Adorjan Andras (HUN)25500-131 ≣E41It (open) (active)
181Piket Joop J (NED)2125Agnes Corrado1-022 ≣E20Ch World (team) (...29 Jul 1964
635Tan Kenneth (SIN)2123Aizuddin Che Hassan1-040 ≣E20It (open)
303Anderson AnthonyAlmeida Jose T (POR)21980-142 ≣E41Ch World (team) (...
188Cotta EduardoAlves Francisco1-032 ≣E41Ch Brazil
875Galojan Lilit (ARM)2389Ambartsumova Kari...23091-0114 ≣E41It (w)
898Ezat Mohamed (EGY)2434Ameir Moheb (EGY)21921-043E41It \05 Jul 2011
836Ezat Mohamed (EGY)2459Ameir Moheb (EGY)20881-050 ≣E41Ch Arab Cities29 Oct 2009
588Mensch Etienne (FRA)2281Amigues Emmanuel ...21771-027 ≣E20It (open)
927Ghollasi Mood Moj...1991Amin Afshar Hossein1-066 ≣E20Tournament (Elo)09 Jun 2012
755Radjabov Teimour ...2742Anand Viswanathan...28010-153 ≣E20It \18 Mar 2007
793Spirin Oleg (RUS)2438Andersen Morten (...21871-042 ≣E41Cup North Sea (open)16 Jul 2008
89Kelly TAnderson Frank R ...0-122 ≣E20Olympiad
374Hirsch RobertAnderton David W ...22210-120 ≣E20corr.
909Russo Arianna1696Andreani Carlo13861-059 ≣E20It (open) (b)04 Sep 2011
370Efimov Igor (MNC)2395Andreoli Renato (...21380-126 ≣E41It (open)
491Liardet Fabrice (...2360Anka Emil (HUN)24001-032 ≣E20It (open)
195Mihaljcisin Mihaj...2280Ankerst Marjan (SLO)22101-040 ≣E20?
521Taggatz Mario (GER)2303Ankerst Mihael (SLO)23501-039 ≣E20It (open) (a)
688Liascovich Lucas ...2415Arambel Sergio (ARG)22961-042 ≣E20It (open)08 Apr 2004
921Bahzad Zeenaldeen...2118Ares Saber Majeed21421-040 ≣E20Ch Iraq23 Mar 2012
893Dupre Paul Donald...2037Arkell Keith C (ENG)24090-114 ≣E41It (open)27 May 2011
618Santurbano Maria ...1873Arnetta Maria Ter...20170-135 ≣E20Ch Italy (w)03 Sep 2000
36Furman Semen (RUS)2550Arulaid Alexander...1-038 ≣E41Ch URS (1/2 final)
916Unanyan KlaraAseeva Anastasia ...19810-126 ≣E00It (open) (w)28 Jan 2012
869Navrotescu Andree...1910Aseeva Anastasia ...17631-026 ≣E41Ch Europe (junior...23 Sep 2010
121Polugaevsky Lev A...2585Averbakh Yuri L (...24450-132 ≣E20Ch URS
812Foisor Mihaela-Ve...2123Baciu Anca-Otilia...21831-036 ≣E20Ch Romania (w)06 Feb 2009
780Olarasu Ioana (ROM)1820Baciu Anca-Otilia...21770-134 ≣E41Ch Romania (w)25 Feb 2008
395Adler Bo (SWE)2171Backe Peter (SWE)22350-160 ≣E20Ch Sweden (master...
380Santos Carlos P (...2404Badev Kiril (BUL)23171-028 ≣E20Ch World (juniors...
668Moskalenko Viktor...2551Bagheri Amir (FRA)24960-136 ≣E41Ch France (team) ...
685Le Roux Jean-Pier...2460Bagheri Amir (FRA)24961-020 ≣E41It (cat.11)16 Feb 2004
781Sokolov Ivan (NED)2650Bakker Sven (NED)22321-030 ≣E41Ch Netherlands (t...08 Mar 2008
60Ciejka TadeuszBalcarek Wiktor0-162 ≣E41It
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
748Kocabalkan Tayfun...1653Bapci Hikmet0-125 ≣E20Ch Turkey (1/2 fi...19 Dec 2006
326Gyorkos Lajos (HUN)2395Barati Laszlo1-049 ≣E20Ch Hungary (open)
100Somogyi Istvan (HUN)2205Barczay Laszlo (HUN)23810-135 ≣E41Ch Hungary
41Van't Veer PBarda Olaf (NOR)0-145 ≣E20Ch World (corr.)
641Furesz Jorsef (HUN)2038Bardossi Jeno (HUN)21980-142 ≣E20Ch Hungary (team)...18 Nov 2001
413Russell Corey (USA)2155Barnes Joel (USA)22481-080 ≣E41It \
746Pedersen Nicolai ...2510Barrientos Sergio...24210-133 ≣A17Memorial J.Capabl...26 Nov 2006
860Swiech Przemyslaw...1448Bartoszek Marcin ...18011-013 ≣E41Ch Poland (team) ...08 Jul 2010
571Andrade Romo Anib...2034Bastidas Rodrigue...22450-119 ≣E41Tournament \18 Sep 1998
128Napolitano Mario ...Batik Frantisek0-112 ≣E41?
709Glawe Hartmut1971Bauer Norbert (GER)21680-130 ≣E20Landesliga (2nd) ...24 Apr 2005
406McKay Roderick M ...2376Beaton Kenneth S ...21161-030 ≣E20Ch Scotland
372Fischer Sebastian...2271Beisser Georg20451-045 ≣E20Ch Bayern (2)
287Vyzmanavin Alexey...2540Beliavsky Alexand...26001-042 ≣E20Ch URS
301Vallifuoco Giovan...2155Belotti Bruno (ITA)24330-132 ≣E41Ch Italy
895Ezat Mohamed (EGY)2434Belouadah Saad (ALG)22870-141 ≣E41Ch Africa08 Jun 2011
917Vlasova Daria (RUS)1849Belova Olga (RUS)20161-044 ≣E20It (open) (w)05 Feb 2012
621Castillo Garcia E...1858Beltran Lopez Fer...1-035 ≣E20It (open) (b)
101Petrosian Tigran ...2580Benko Pal C (USA)24081-027 ≣E41Match \
718Lapshun Yury (USA)2445Berczes David (HUN)24750-134 ≣E20It (cat.8)07 Aug 2005
779Bogatenko Roman (...1978Bereziy Petr (RUS)17940-128 ≣E20Ch City09 Feb 2008
441Ernst KlausBerndt Walter (GER)21571-033 ≣E20It (open)
459Geyer UlfBerresheim Helmut...21160-149 ≣E20Ch RLP (juniors) ...
598Kostadinov George...2097Berry Jonathan (CAN)22871-031 ≣E41Memorial P.Keres ...
260Holley MaxBerry Jonathan (CAN)22490-144 ≣E20corr.
601Moskalenko Viktor...2508Bevia Luis Martin...21731-031 ≣E41It (open)
715Shevchenko Tanya ...2157Biriukov Oleg V (...23890-143 ≣E20It (open) (a)22 Jul 2005
282Brkusanin DBiukovic Goran (CRO)1-027 ≣E20It (open)
238Brilla Banfalvi S...Bjorkqvist Armas1-020 ≣E20corr.
396Vigh Bela (HUN)2349Blasovszky Istvan...21101-034 ≣E20Cup Donau (open)
174Machacek Petr (CZE)Blatny Frantisek ...21121-030 ≣E20Memorial Gargulak
481Molinari Gianfran...2085Blevinal T20600-139 ≣E41Tournament
291Sahu Sekhar Chand...2320Blocker Calvin (USA)23781-022 ≣A13It
308Thompson (USA)Blomquist Gary1-049 ≣E20Ch USA (corr.)
792Johansson Alexand...2022Blomqvist Erik (SWE)24180-123 ≣E20Ch Sweden (juniors)11 Jul 2008
442Bauerle PBluestone M1-032E20It (open) \
819Avram Veselin (SRB)2134Bodiroga Predrag ...24310-139 ≣E20Cup Vojvodina (team)30 Apr 2009
422Metzger Christian1985Boeckenhaupt Rudi...20601-042 ≣E20Ch Pfalz
207Payrhuber KlausBohm Hans (NED)23170-140 ≣E20Ch Europe (juniors)
83Gligoric Svetozar...2447Bolbochan Jacobo ...1-045 ≣E41It
25Najdorf Miguel (POL)2445Bolbochan Julio (...24401-038 ≣E41It
33Benko Francisco (...2036Bolbochan Julio (...24400-161 ≣E41It
126KabanovBoleslavsky Isaak...0-134 ≣E20Ch Belarus
564Minzer Claudio Ja...2390Bombardiere Rosas...23451-054 ≣E41It (open)
833Barlotti Gabriele...1667Bonade Massimo (ITA)21270-123 ≣E20It (open)18 Oct 2009
420Kozlowski Waldema...2042Bonarek L1-044 ≣E20Ch Poland (corr.)
52Kopaev Nikolay An...Bonch-Osmolovsky ...0-146 ≣E20Ch URS (1/2 final)
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
545Le Barbier GeorgeBoraud Bruno14500-143 ≣A17Ch City
862Musialkiewicz Jan...2104Borawski Jakub (POL)18670-121 ≣E41Ch Poland (team) ...10 Jul 2010
275Brionne Thierry (...2112Borg Geoffrey (MLT)23670-127 ≣E41Ch Europe (juniors)
338Wohlers-Armas Fri...2050Borisova Borislav...20891-021 ≣E20?
738Birens Eric-Andre...2007Bosman Michiel (NED)23390-134E20Cup European Club11 Oct 2006
80Kan Ilya A (RUS)Botvinnik Mikhail...23070-136 ≣E20Match (training)
348Thorsteins Karl (...2430Boyd Stephen (FRA)22901-041 ≣E41It (open)
678Pereira Figueroa ...2097Bozzo Rodolfo1-039 ≣E20Dos Hermanas Qual...16 Mar 2003
265Lombardy William ...2520Bradford Joseph M...23801-034 ≣A40It (open)