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Nimzo-Indian, Sämisch Variation, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. e3 c5 7. Bd3 Nc6

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
304Knoerrich Peter1396Heinz Manfred17870-136 ≣A15Ch Mittelfranken ...
393Pirogov Vladislav...1693Sanatullin Rinat ...22030-118 ≣E20Tournament (Elo) \22 Dec 2007
399Kasidonis Antonio...1703Homatidis Panagio...20920-142 ≣E46Ch Greece (junior...28 Jun 2008
450Zhou Qiyu1726Furtado Ivana Maria20921-034 ≣E20Ch World (juniors...19 Nov 2011
431Hatzoudis Gerasim...1735Kolaric Spela (SLO)20411-047 ≣E20Ch Mediterranean ...01 Sep 2010
182Berger Falk1753Fobbe Ottmar1-028 ≣E20Ch Bahn (G)
429Chmielarz Maciej ...1766Miszczak Mateusz ...19051-028 ≣E20Ch Poland (team) ...09 Jul 2010
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
406Lazkano Gaite Tom...1776Spassov Liuben (BUL)24170-143 ≣E20It (open)20 Sep 2008
420Cavaterra Umberto1801Messina Roberta (...19000-135 ≣E46Memorial Alvise Z...26 Sep 2009
266Ledig Horst1822Dezember Thomas1-028 ≣E20It (open) (5)
436Bodyagin Anton (RUS)1826Mytarev Valeriy (...1-018 ≣E47Tournament (open)
412Familari Giuseppe...1832Tricomi Massimo (...18751-042 ≣E20It (open) (b)06 Jan 2009
150Gimmel Rolf (SUI)1841Leuba Didier (SUI)22190-128 ≣A40It (open)
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
401Simovic Mladen (CRO)1859Milosavljevic Jov...20820-137 ≣E20It (open)01 Aug 2008
405Merino Araguas Jo...1880Rubio Mejia Luis ...23590-135 ≣E20It (open)20 Sep 2008
457Echeverry Maria Y...1880Lopez Carlos Manu...23020-133 ≣E20It (open)14 Jun 2012
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
404Blengino Luca (ITA)1886Bonade Massimo (ITA)21180-140 ≣E20It (open)05 Sep 2008
395Eckert Leo1893Becker Alexander ...19370-138E20Bayern Regionalli...17 Feb 2008
47Szabo Laszlo (HUN)1903Portisch Lajos (HUN)25230-141 ≣E41Ch Hungary (match)
35Szabo Laszlo (HUN)1903Smyslov Vassily (...24940-136 ≣A15Memorial A.Alekhine
13Szabo Laszlo (HUN)1903Horne DM1-030 ≣E47It
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
333Foisor Mihaela-Ve...1929Karlovich Anastaz...21550-139 ≣E20It (w)19 Nov 2004
437Miquel Badenes In...1942Navarro Palma Jav...17630-122 ≣E20Ch Provincial (pr...02 Oct 2010
408Katzer Joachim1961Giss Arthur (GER)19900-150 ≣E47Landesliga Bayern...30 Nov 2008
383Rodrigo Edson (BRA)1962Gazel Cohen Perei...22500-139 ≣E47Ch Paulista12 Oct 2007
386Rodrigo Edson (BRA)1962Zampronha Wladimi...21430-136 ≣E47Tournament (Elo)03 Nov 2007
365Kayaman Metin (TUR)1968Afyoncu Omer (TUR)21091-029 ≣E47Ch Turkey (1/2 fi...21 Dec 2006
145Birens Eric-Andre...1969Harovelo Ingmar (...22510-137 ≣E20Ch France (qual)
247Birens Eric-Andre...1969Bes Stephane (FRA)20951-030 ≣E20Ch France (team) ...
421Nunes Allan Hurba...1976Oliveira Silvio E...23570-129 ≣E20Ch Brazil (1/2 fi...02 Nov 2009
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
358Foisor Mihaela-Ve...1981Hanley Craig (ENG)24270-150 ≣A40It (open)30 Jul 2006
267Mourot Clara (FRA)1982Buland Cynthia (FRA)1-037 ≣E20Ch France (team) ...
293Mourot Clara (FRA)1982Brunner Nicolas (...22590-140 ≣E20Ch France (team) ...
426Kuluev Zagit (RUS)1984Shangaraev Ruzil ...1-019 ≣E20Ch Bashkortostan ...
351Stoehrer Philip (...1996Komarov Dimitri (...25400-125 ≣E46It (open)
81Acosta Mariano (ARG)2000Hernandez Roman (...23751-046 ≣E20Ch World (team) (...08 Aug 1969
6Ivanov Pavel (RUS)2002Piskov Kamen0-129 ≣E41Ch Bulgaria
453Benson Oisin P (IRL)2005O'Donnell Conor17800-134 ≣E47It (open)19 Feb 2012
277Amico Rosario (ITA)2007Godina Paolo16181-039 ≣E46It (open) (b)25 Aug 2000
278Amico Rosario (ITA)2007Colabrese Cary (ITA)15841-038E41It (open) (b)27 Aug 2000
224Meister Thomas2010Kordts Wolfgang (...22360-136 ≣E41Bayern Regionalli...
129Pyrich George (SCO)2014Morrison Graham (...23390-141 ≣E46Ch Scotland
340Grozdanic Goran (...2019Bilobrk Franjo (CRO)23950-119 ≣E46Cup Croatia (team)02 Jun 2005
373Foisor Mihaela-Ve...2029Calandri Fausto (...21231-040 ≣A40Ch European Union23 Jun 2007
452Matanovic Zlatko ...2035Kovacevic Blazimi...24490-133 ≣E20It (open)06 Jan 2012
85Lim Kok Ann Dr (SIN)2038Malagon Alberto22001-039 ≣E20Olympiad
458Cutmore Martin J ...2044Mackle Dominic (ENG)21301-029 ≣E20It (open)02 Sep 2012
262Neubauer Ralf Dr ...2049Koeck Brigit0-133E47It (open)
239Punteri Marco (ITA)2049Sale Srdjan (CRO)24250-141 ≣E41It (open)
166Harwar Julie (ENG)2050Christensen Wayne...21420-130 ≣E20It \
135Harwar Julie (ENG)2050Jackson Sheila (ENG)22451-038 ≣E20It \
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
280Picazo Lopez Juan...2055Garcia Carbo Marc...23540-140 ≣E41Ch Spain (open)
193Pyka Andreas (GER)2056Brauer Christian ...21150-143 ≣A40It (open) \
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
387Mendes Diego Silv...2062Diniz Paulo Nobil...18051-050 ≣E47Tournament (Elo)04 Nov 2007
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
151Remensberger Paul...2065Milosevic Goran (...23490-124 ≣E47It (open)
268Pyka Andreas (GER)2065Morsch Andreas17161-033 ≣E41It (open)
170Loiza Martin (ARG)2070Veron Jorge (ARG)18111-020 ≣E20It (open) \
285Carrabeo Garcia M...2072Campora Daniel H ...25360-140 ≣E41It (open)
251Micheel Astrid (GER)2075Vinci Sebastiano1-017 ≣E47It (open)
276Abreu Guilherme (...2076Reis Paulo F J (BRA)22800-126 ≣A40Cup Vila Velha
292Unmack Christian ...2085Schmied Andreas (...21281-024 ≣E20It (open) \
371Abreu Guilherme (...2085Gazel Frederico (...22500-133 ≣E47Tournament (regio...07 Jun 2007
291Unmack Christian ...2085Palo Davor (DEN)24840-128 ≣E20It (open) \
152Meira Wagner2086Goncalves Tasso19771-033 ≣E20Ch Brasiliense
312Roubalik Vlastimi...2089Ginzburg Mikhail ...23460-123 ≣E20Memorial O.Duras ...
388Da Silva Tiago He...2096Diniz Paulo Nobil...18051-039 ≣E46Tournament (Elo)06 Nov 2007
355Weser Adam (USA)2100Friedman Josef (USA)22010-136 ≣E20It \01 Jul 2006
445Manukyan Sargis A...2102Abrahamyan Tatev ...22891-032 ≣E20Memorial Karen As...24 Jun 2011
228Arizanov Tome (MKD)2108Bogdanovski Vlatk...24600-128 ≣E46It (open)
432Mirzoev Emil (UKR)2109Benidze Gigla (GEO)19180-140 ≣E41Ch Europe (junior...22 Sep 2010
418Rosmuller Anton (...2112Vovk Yuri (UKR)25670-124 ≣E47It (open)03 Aug 2009
90Carvajal A2115Van Riemsdijk Her...23451-037 ≣A40Zt
204Beaton Kenneth S ...2116Duthie Gordon1-046E41Ch Scotland (team)
391Sahelices Casado ...2117Lopez Gonzalez Da...21760-137 ≣A13It (open) (under ...04 Dec 2007
335Garcia Galeote Lo...2124Lopez Martinez Jo...24810-127 ≣E20It (open)05 Dec 2004
65Piket Joop J (NED)2125Flesch Janos0-118 ≣E20It \
288Scharping Hans-Ma...2125Schenk Andreas (GER)24780-147 ≣A40It (open) \
301Miron Lucian-Cost...2131Popa Marian (ROM)20681-035 ≣E20It \
308Chouquet Adrien (...2132Shchekachev Andre...25460-128 ≣E41It (open)
258Aaltio Erkki (FIN)2133Sammalvuo Tapani ...23930-147 ≣E20It (open)
80Aijala Jouko (FIN)2133Damiron Dickson A1-025 ≣E41Ch World (team) (...04 Aug 1969
322Martin Catalan Ju...2134Trigo Conde Isaac...22650-144 ≣E20It (open) (c)
97Clarke Thomas (IRL)2137Keeshan Michael1-023 ≣E41It (open)
427Foisor Mihaela-Ve...2140Fragkou Eleni (GRE)18891-034 ≣E47It \04 May 2010
98Flockert Ruediger...2140Kreie Guenther (GER)19391-039 ≣E20Ch OWL
352Rink Christian (GER)2140Weigel Robert Dr ...22330-149 ≣E41Bayern Landesliga...19 Feb 2006
413Swaraj Palit (IND)2140Sharma Dinesh K (...23760-121 ≣E20It (open)11 Jan 2009
275Petersen Terji (FAI)2142Berg Olaf (FAI)22790-134 ≣E47It (open)
346Velecky Viktor (CZE)2146Bernard Borek (CZE)22720-129 ≣A17Czech League 2005...16 Oct 2005
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
108Rau Juergen (GER)2152Zuchner1-026 ≣A15Ch DDR (corr.)