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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
471Burisch Christin ...1655Osterloh M500-138 ≣A13Ch Germany (junio...
784Vrajitoru Vlad-La...653Tiron Lucian-Ilie5510-124 ≣E41Ch Romania (juniors)14 Apr 2008
783Foisor Mihaela-Ve...1088Gelip Ioana (ROM)6711-029 ≣E20Ch Romania (junio...12 Apr 2008
730Voss Chantal (GER)1898Rummer Baerbel13120-150 ≣E20Ch Germany (junio...09 Jun 2006
909Russo Arianna1696Andreani Carlo13861-059 ≣E20It (open) (b)04 Sep 2011
848Stahnke Axel1412Simmonds Leteisha14240-136 ≣A40It (open) (challe...09 Apr 2010
545Le Barbier GeorgeBoraud Bruno14500-143 ≣A17Ch City
864Grochowski Marius...1919Tarajkiewicz Krzy...14661-029 ≣E41It (open)17 Jul 2010
839Altomonte Giuseppe1773Fiorentino Vincenzo15091-019 ≣E20It (open) (b)05 Jan 2010
903Andris Valentin1697Klemt Gerhard16071-036E20It \17 Jul 2011
447Diaz Iglesias Jos...2188Dominguez Piris J...16891-031 ≣E20Ch Asturias (team...
820Ruiz Rodriguez Fe...Norte Garcia Andr...17040-131 ≣E41Tournament (open)...09 May 2009
707Hogg StephenDonohue Tom (SCO)17150-127 ≣E41It (open)06 Mar 2005
464Bernardino LOliveira Vera (POR)17151-018 ≣E41Ch Coimbra (team)
769Denisov Boris (RUS)1987Mukhin Alexey (RUS)17261-061 ≣E20Ch Russia (PODA)07 Nov 2007
686Bertrand Xavier (...2132Poggioli Guillaume17501-039 ≣A40Ch France (team) ...14 Mar 2004
869Navrotescu Andree...1910Aseeva Anastasia ...17631-026 ≣E41Ch Europe (junior...23 Sep 2010
122Rossetto Hector (...2285Toth Vano P17701-037 ≣E20It
826Bisaro Andrea (ITA)1702Del Forno Sinicco...17851-041 ≣E41Tournament (open)11 Jul 2009
779Bogatenko Roman (...1978Bereziy Petr (RUS)17940-128 ≣E20Ch City09 Feb 2008
920Feliciano Vanessa...2194Da Cruz Karoliny ...17991-024 ≣E41Ch Brazil (w)22 Mar 2012
388Moulton PKennedy Michael (...17991-044 ≣E20It (open)
860Swiech Przemyslaw...1448Bartoszek Marcin ...18011-013 ≣E41Ch Poland (team) ...08 Jul 2010
933Perena Catherine ...2091Mendoza Shania Ma...18061-035 ≣E41Ch Philippines (w)16 Jul 2012
64Wise TNewman RH18151-024 ≣E20Ch Great Britain
942Bohus Adam (HUN)1758Krstulovic Alex (...18210-132 ≣E20Tournament (Elo) (a)09 Sep 2012
847Floroiu Ioana-Ale...1662Gelip Ioana (ROM)18240-139 ≣E20Ch Romania (junio...08 Apr 2010
838Altomonte Giuseppe1773Ielapi Vito (ITA)18290-150 ≣E20It (open) (b)04 Jan 2010
874Jansen Lauritz (GER)1790Grigorian Spartak...18351-022 ≣E41Ch Germany (junio...29 Dec 2010
926Goncalves Ivan Me...2100Cruz Arquias Sofo...18381-042 ≣E20Ch Brazil (junior...07 Jun 2012
617Boteanu Jean (ROM)2105Zarnescu Marius (...18440-136 ≣E20Ch Romania (1/2 f...
407Skoberne D1850Marusic V18500-158 ≣E20Ch Slovenia (1 liga)
753Vishnyakov Igor (...2182Konyukhov Mikhail...18521-021 ≣E41Memorial Polyak17 Jan 2007
726Hendi Peter (SUI)1784Czimer Jozsef (HUN)18570-125 ≣E20Tournament (Elo) (b)09 Mar 2006
863Patzelt Nikolaus ...1876Bonk Andras (GER)18591-052 ≣E41Memorial Karl Mal...11 Jul 2010
520Bartl Ulf (GER)2019Oezen Alf18651-054 ≣E20It (open) \
862Musialkiewicz Jan...2104Borawski Jakub (POL)18670-121 ≣E41Ch Poland (team) ...10 Jul 2010
544Stefanek Piotr (POL)2182Kollarik Gorazd (...18731-035 ≣E20Ch Slovakia (team...
810Altomonte Giuseppe1743Tricomi Massimo (...18751-037 ≣E20It (open) (b)04 Jan 2009
722Orsi Matteo (ITA)1877Torrione William ...18831-026 ≣E41It (open) (b)30 Oct 2005
908Radice Luca (ITA)1972Robbio Pietro18831-039 ≣E20Tournament (open)
829Naipal Victoria (...1791Chavez Diana Mari...18841-043 ≣E20Ch Continent (w)05 Sep 2009
825Bisaro Andrea (ITA)1702Pillon Giovanni P...18900-146 ≣E41Tournament (open)07 Jul 2009
837Kravchuk OlegTunik Sergey (RUS)18971-033 ≣E20Ch Region30 Oct 2009
28Sanguinetti Raul ...2485Szabo Laszlo (HUN)19030-127 ≣E20It
216Tomic Dragoslav (...2125Szabo Laszlo (HUN)19030-140 ≣E20It
483Sustek Vladimir (...1959Csefalvay Stefan ...19160-163 ≣E41Ch Slovakia (open)
931Janzelj Lara1745Brankovic Slavoljub19201-066 ≣E41Ch Central Serbia...10 Jul 2012
763Sladkov Alexei (RUS)2183Mikhailenko Galin...19221-034 ≣E20It (open) \24 Jul 2007
670Barkovskaya Irina...2156Nikitina Aleksand...19321-025 ≣E20Ch Tver region (w)
796Praszak Michal (POL)2216Zmarzly Aleksandr...19321-035 ≣E41It (open) (a)21 Aug 2008
733Alonso Rosell Alv...2231Rodriguez Lorenzo...19361-018 ≣E20Ch Spain (schools)27 Jun 2006
866Huebner Alan-Ari ...1617Lang Martin (GER)19370-147 ≣E41It (open) \07 Aug 2010
257Haggren Stig-Olof...2009Lyly Seppo (FIN)19371-030 ≣E20?
788Papay Marek (CZE)1836Macek Kamil (CZE)19370-143 ≣A17It (open)19 Jun 2008
515Laimos NikolaosGalanos Dimitrios...19430-142 ≣E20Ch Greece (team)
814Stachowicz Feliks...1680Bankert Krzysztof...19450-155 ≣E20Ch Poland (team) ...01 Mar 2009
794Kirillov Nikolay ...2019Tyutyunnikov Kiri...19471-081 ≣A17Tournament (open)26 Jul 2008
751Shapran Nikita (RUS)1892Gutsuliak Yana (RUS)19490-133 ≣E41Memorial T.Petros...
683Toporov Victor (RUS)2107Part Fedor (RUS)19511-033 ≣E20It \
736Yermishin Viktor ...2410Lao Lenath (FRA)19561-019 ≣E20Memorial Georgiev...05 Sep 2006
661Nuber Blasius (GER)2303Ulmer Micha (GER)19591-072 ≣E41Ch Germany (junio...
694De Barros Frederi...2073Schmouchkovitch C...19621-021 ≣E41It (open)14 Jul 2004
392Urbatsch MarkSobczak Miroslaw ...19621-027 ≣E41corr.
172Engerer HansZeitler Hans-Juer...19621-019 ≣E20It (open)
529Sull Gyula (HUN)2059Pribula Nandor (HUN)19661-029 ≣E20It (open) \
907Barlocco Carlo (ITA)2135Pierantozzi Stani...19711-057 ≣E20It (open)28 Aug 2011
886Passeri Marco1521De Carolis Massimo19720-155 ≣E20Tournament (weekend)03 Apr 2011
728Karayiannis Costa...2166Low Ying-Min (SIN)19751-031 ≣E20It (open)16 Apr 2006
823Selnes Hamish (AUS)1912Milligan Helen (NZL)19761-022 ≣E20Zt24 Jun 2009
642Pfleger Sascha (GER)2214Machenski Jerome ...19771-063 ≣E20It (open)
843Swiech Przemyslaw...1448Grudzien Piotr (POL)19771-027 ≣E41Ch Poland (junior...09 Mar 2010
409Jansson Anders O ...2106Jagerflod Kent (SWE)19780-157 ≣E20Ch Sweden (corr.)
723Chatard Patrice (...1961Ljubotina Lazo (FRA)19790-145 ≣A40It \12 Nov 2005
916Unanyan KlaraAseeva Anastasia ...19810-126 ≣E00It (open) (w)28 Jan 2012
817Vlasova Darja (RUS)Severina Maria (RUS)19810-131 ≣E20Ch Russia (junior...15 Apr 2009
743Olshevskiy Maxim ...2039Rodionov Georgy (...19811-088 ≣E41Ch Ukraine (junio...06 Nov 2006
824Stahnke Alexander...1799Muller Jonas19810-142 ≣E20Zt25 Jun 2009
821Berkell Peder (SWE)2218Ranby Hans (SWE)19811-029 ≣E20Tournament (Elo)23 May 2009
137Kunz HorstDorawa Bernhard (...19820-159 ≣E20Ch DDR
932Lambert Romain (FRA)2138Hallay Axel (FRA)19831-026 ≣E20Ch Paris (open) (a)10 Jul 2012
790Colin Vincent (FRA)2421Primel Dominique ...19851-025 ≣E41It (open)
602Schroll Ralph (GER)2174Suess Helmut (GER)19861-027 ≣E20Ch Mittelfranken ...
143Maska JWolff H20001-039 ≣E20Europe Tournament...
169Bratcko ICeglar Michael (GER)20000-129 ≣E20Tournament
764Kazakova AnastasiaAbdrakhmanova Sar...20040-141 ≣E20Tournament (junio...
853Simovic Mladen (CRO)1862Marcic Ivica (CRO)20050-184 ≣E20It (open)06 May 2010
72Primavera Giusepp...Mueller Klaus (GER)20100-152 ≣E41Olympiad26 Aug 1952
888Stanciu Alexandru...2308Martian Dragos-Da...20111-052 ≣E20Ch Romania (junio...15 Apr 2011
554Ghozali CholidChan James (CAN)20121-024 ≣E20Ch Asian Cities (...
153Ben Hassan ALund Per (DEN)20150-124 ≣E41Olympiad (student...
917Vlasova Daria (RUS)1849Belova Olga (RUS)20161-044 ≣E20It (open) (w)05 Feb 2012
618Santurbano Maria ...1873Arnetta Maria Ter...20170-135 ≣E20Ch Italy (w)03 Sep 2000
922Kleine Bruna Fern...1893Ribeiro Regina (BRA)20200-125 ≣E41Ch Brazil (w)25 Mar 2012
787Kostak Tatiana (UKR)2106Ivanenko Olga (UKR)20220-131 ≣E20Ch Ukraine (1/2 f...26 May 2008
762Huynh Lam Binh Ng...2021Tran Quang Khai (...20251-035 ≣E41Ch Vietnam (junio...07 Jul 2007
375Borici Ylvije (ALB)Mills Natalie (AUS)20290-141 ≣E20Olympiad
765Pak Evgeniy (KAZ)2184Salehian Sina (IRI)20301-064 ≣E20Olympiad (under 16)08 Aug 2007
434Minzer Claudio Ja...2370Aberbach Angel (ARG)20301-027 ≣E41It (open)
799Blackburn Joathan...2175Campbell Ian (ENG)20311-035 ≣E20Ch European Union12 Sep 2008