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Nimzo-Indian, 4.e3, Main line with 8...Bxc3 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 Bxc3+ 9.bxc3 Qc7

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
1Geller Efim P (RUS)2455Petrosian Tigran ...25801-046 ≣E40
51Balashov Yuri S (...2540Gulko Boris F (USA)24801-040 ≣A40Zt (play-off)
233Lesiege Alexandre...2588Spraggett Kevin (...25411-034 ≣E47Zt (play-off)
162Van Der Sterren P...2545Renet Olivier (FRA)25201-026 ≣E47Zt
64Toth Bela (ITA)2345Tatai Stefano (ITA)24550-134 ≣E47Zt
118Meulders Richard ...2245Renet Olivier (FRA)24861-047 ≣E47Zt
161Marinelli Tullio ...2440Sosonko Gennadi (...25250-149 ≣E41Zt
325Korobov Anton (UKR)2605Zhang Zhong (SIN)26491-032 ≣E47World Mindsports ...15 Oct 2008
258Kirichenko Vitaly...2425Ovsejevitsch Serg...25210-133 ≣E47Ukrainian Games
404Wilhelms Diego Li...2170Froes Leonardo Sa...18861-018 ≣E47Tournament (zonal)21 Apr 2012
317Coqueraut Jean Do...1892Del-Monaco Andrea...22760-129 ≣E47Tournament (weeke...08 Feb 2008
309Fier Alexander Hi...2516Van Riemsdijk Her...23911-020 ≣A06Tournament (team) \03 Mar 2007
126Semkov Semko (BUL)2450Panajotov Janko (...22191-034 ≣E47Tournament (team)
240Luehrig WalterMarcotulli Giancarlo1-012 ≣E47Tournament (IECG)
241Pinasco Juan PFrignani Giorgio1-024 ≣E46Tournament (IECG)
246Varela Daniel (ARG)2164Lo Presti Roberto...20331-048 ≣E47Tournament
65Vaisser Anatoly (...2536Zilberstein Valer...22510-150 ≣E47Spartakiada URS
9Tolush Alexander ...Arulaid Alexander...0-132 ≣E41Olympiad URS
102Tirabassi Maurizi...2306Taksrmo1-041 ≣E47Olympiad (corr.)
32Byrne Robert E (USA)2434Villarroel Geber ...22901-036 ≣E21Olympiad
360Fernandez Francis...2313Krylov Sergey (RUS)23590-148 ≣E47Olympiad25 Sep 2010
104Knaak Rainer (GER)2500Arduman Can (TUR)23361-044 ≣E47Olympiad
295Batchuluun Cegmed...2404Dineley Richard (...22661-039 ≣E47Olympiad
12Galeb Antoine2200O'Hare E0-131E21Olympiad
13Salas Romo Julio ...Troianescu Octav ...23301-041 ≣E41Olympiad
361Gonzalez Zamora J...2564Moradiabadi Elsha...25780-147 ≣E10Olympiad01 Oct 2010
193Laske Matthias (GER)2209Boetzer Detlef (GER)22861-046 ≣A40Oberliga Northeas...
151Pospelov Evgeny (...2385Mochalov Evgeny V...24001-044 ≣E10Memorial Vitebsky
267Kaloskambis Mihai...2171Sigalas Frangisko...22840-135 ≣A40Memorial Siaperas...
166Taimanov Mark E (...2510Osnos Viatcheslav...24301-047 ≣E41Memorial S.Furman
306Tropin Aleksandr ...2052Askarov Marat (RUS)24800-124 ≣E47Memorial N.Aratov...27 Nov 2006
134Belov Igor (RUS)2422Zaiatz Elena (RUS)24411-050 ≣A06Memorial M.Tal
248Garcia Raimundo (...2351Lo Presti Roberto...20331-040 ≣E46Memorial M.Najdor...
26Bondarevsky Igor ...Lein Anatoly (USA)22610-141 ≣E41Memorial M.Chigorin
412Rogozenko Dorian ...2504Myshkin Nikita (RUS)22991-032 ≣E47Memorial M.Botvin...29 Aug 2012
41Donner Jan-Hein (...2500Troianescu Octav ...23300-139 ≣E41Memorial J.Capabl...
299Berkes Ferenc (HUN)2589Almasi Zoltan (HUN)26640-140 ≣E47Memorial Gyorgy M...28 Jul 2006
200Grabuzova Tatiana...2345Danielian Oganes ...24900-120 ≣E47Memorial Goldberg
109Feick Stefan (GER)2210Abramovic Bosko (...24650-128 ≣E47Memorial Em.Lasker
296Bogdanovich Stani...2215Lautier Joel (FRA)26560-141 ≣A40Memorial E.Geller...03 Jul 2006
198Alonso Luis (CUB)2054Huerta Ramon (CUB)22700-137 ≣D38Memorial C.Torre
115Anton V (GER)Viaud Adolphe1-033 ≣E47Memorial Bergrase...
45Korelov Alexander...2375Roizman Abram Y (...23150-142 ≣E41Memorial A.Sokolsky
365Di Berardino Dieg...2483Tsuboi Edson Kenj...23501-032 ≣E47Memorial Antonio ...14 Jan 2011
366Flores Diego (ARG)2599Vescovi Giovanni ...26341-045 ≣E47Memorial Antonio ...21 Jan 2011
155Sitoe Titos (MOZ)Rizouk Ryad (ALG)23900-127 ≣E46Match (team)
7Spassky Boris V (...2548Bobotsov Milko G ...24051-027 ≣E41Match \
175Ravi Lanka (IND)2400Ooi Chern Ee (MAS)22251-044A46Match \
356Potkin Vladimir (...2630Wang Hao (CHN)27240-130 ≣E47Match \09 Aug 2010
300Matveeva Svetlana...2415Zhao Xue (CHN)24670-143 ≣E47Match \19 Aug 2006
97Baragar Fletcher ...2320Ehlvest Jaan (USA)25401-046 ≣E47Izt
39Portisch Lajos (HUN)2523Rubinetti Jorge (...23821-039 ≣E47Izt
170Galliamova Alisa ...2475Maric Alisa (SRB)24601-041 ≣E47It (w)
180Zhukova Natalia (...2330Maric Mirjana (SRB)23051-041 ≣A46It (w)
303Ipatov Alexander ...2234Dudyev Volodymyr ...20411-044 ≣E47It (open) \29 Aug 2006
139Ibragimov Ildar (...2540Roeder Mathias (GER)24051-031 ≣E47It (open) \
398Gajewski Grzegorz...2616Khismatullin Deni...26641-036 ≣E47It (open) \13 Feb 2012
399Ovod Evgenija (RUS)2412Bakre Tejas (IND)25090-128 ≣E41It (open) \15 Feb 2012
131Giorgadze Giorgi ...2525Bjerke Richard (NOR)22851-041 ≣E47It (open) \
381Johansson Linus (...2195Hammer Jon Ludvig...26010-125 ≣E41It (open) \
165Dib Ashur Elias A...2050Quiroga Facundo (...24300-148 ≣E47It (open) \
382Lund Esben (DEN)2380Bu Xiangzhi (CHN)26660-146E47It (open) \
156Neverov Valeriy (...2485Anka Emil (HUN)24101-038 ≣E41It (open) \
326Berkes Ferenc (HUN)2647Lopez Martinez Jo...25550-144 ≣E40It (open) \02 Feb 2009
367Vuckovic Bojan (SRB)2623Movsesian Sergei ...27151-034 ≣E40It (open) \14 Feb 2011
245Fokin Andrey (RYS)Smirnov Artem (RUS)22831-040 ≣E41It (open) \
171Yakovich Yuri (RUS)2530Wilhelmi Christia...23550-140 ≣E47It (open) \
268Ravi Lanka (IND)2431Landa Konstantin ...25711-032 ≣E21It (open) \19 Feb 2004
377Pohjala Henri (FIN)2263Agopov Mikael (FIN)24450-116 ≣E47It (open) \16 Jul 2011
285Peralta Fernando ...2538Vehi Bach Victor ...24161-027 ≣E47It (open)23 May 2005
291Cardili Mariano (...2066Del-Monaco Andrea...22340-140 ≣E46It (open)15 Dec 2005
217Fahed Ahmad (UAE)2001Maharramzade Java...24330-133E21It (open)
275Golovchenko Gleb ...2353Horvath Peter_ (HUN)24770-148 ≣E21It (open)15 Jul 2004
152Bjarnason Saevar ...2290Shneider Aleksand...25350-127 ≣E41It (open)
406Peralta Fernando ...2591Solomon Kenny (RSA)24491-032 ≣E47It (open)03 Jun 2012
204Giorgadze Giorgi ...2610Arlandi Ennio (ITA)24401-043 ≣E47It (open)
206Mancini Mario (FRA)2342Dizdar Goran (CRO)25491-050 ≣E47It (open)
302Zakaria Fairin (MAS)2225Hamid Rani (BAN)21651-020 ≣E47It (open)26 Aug 2006
160Palacios Perez Ma...2192Tatai Stefano (ITA)24351-025 ≣E41It (open)
186Zsinka Laszlo (HUN)2355Loginov Valery A ...25501-043 ≣E47It (open)
320Garcia Vicente Ni...2220Rubio Mejia Luis ...23590-147 ≣E47It (open)23 Jul 2008
188Zeeck Detlef1850Ksieski Zbigniew ...23900-125 ≣E47It (open)
210Lesiege Alexandre...2553Onischuk Alexande...26571-041 ≣E47It (open)
232Maurer Fritz (SUI)2181Balogh Csaba (HUN)23670-127 ≣E47It (open)
251Potter John Russe...2295Kacheishvili Gior...25970-138E47It (open)
179Ketzscher Roland ...2085Alterman Boris (ISR)26150-127 ≣E47It (open)
106Villavicencio Ada...2310Rodriguez Talaver...24051-037 ≣E10It (open)
385Andreev Stanislav...2201Petkov Vladimir (...25110-146 ≣E47It (open)18 Aug 2011
111Bjerke Richard (NOR)2135Tisdall Jonathan ...24650-135 ≣E11It (open)
138Ibragimov Ildar (...2540Luther Thomas (GER)25180-134 ≣A13It (open)
119Pop T (ROM)Maksimovic Branim...24550-142 ≣E46It (open)
221Koukolik Alexande...2138Hladik Lumir (CZE)20641-017 ≣E40It (open)
173Emodi Barnabas (HUN)2315Anka Emil (HUN)24000-135 ≣E11It (open)
146Maksimovic Suzana...2223Stefansson Hannes...25000-132 ≣E47It (open)
319Sanzhaev Darsen (...2082Kurukin Dmitry (RUS)21861-030 ≣E47It (open)19 Jun 2008
172Bjerke Richard (NOR)2275Tisdall Jonathan ...25150-140 ≣E47It (open)
195Kanko Ilkka (FIN)2270Veingold Aleksand...24850-146 ≣E47It (open)
215Bengtson Matthew ...2306Hoekstra Matthew ...21551-029 ≣E47It (open)
154Zoebisch Herbert ...2149Lerner Konstantin...25550-123 ≣E47It (open)
218Aarland Stein Ari...2259Johannessen Leif ...24221-034 ≣A40It (open)