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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
46Valve PekkaTiihonen Erkki1-040 ≣E47?
17Lapienis Donatas ...2282Dzhanoev David0-141 ≣E41Ch Baltic Republics
116Fuka Miroslav (CZE)2072Houska1-041 ≣E46corr.
47Stolle EFechner Jurgen1-033 ≣E47corr.
127Lehtosaari JyrkiArppi Heikki0-144 ≣E41?
74Kuehne RAuerswald U1-030 ≣E41corr.
48Negyesy GyorgyFagerstrom R1-023 ≣E41corr.
117RiemannShanholtzer1-030 ≣E46corr.
241Pinasco Juan PFrignani Giorgio1-024 ≣E46Tournament (IECG)
2Jezek Jaroslav (CZE)2235Ragozin Viachesla...1-046 ≣E41It
38Peltonen UskoHesse Gunter1-035 ≣E47?
59Puronaho AarnoRomppanen Tuomo0-132 ≣E41?
55Bykov Valery (RUS)2301Reshko Aron G (RUS)0-134 ≣E40Ch Leningrad
219Computer \Computer \1-032 ≣E41It (computers)
115Anton V (GER)Viaud Adolphe1-033 ≣E47Memorial Bergrase...
61Brilla Banfalvi S...Napolitano Mario ...1-035 ≣E47Ch Poland (team)
102Tirabassi Maurizi...2306Taksrmo1-041 ≣E47Olympiad (corr.)
25Zheliandinov Vikt...2356Makienko1-023 ≣E47Ch \
240Luehrig WalterMarcotulli Giancarlo1-012 ≣E47Tournament (IECG)
9Tolush Alexander ...Arulaid Alexander...0-132 ≣E41Olympiad URS
12Galeb Antoine2200O'Hare E0-131E21Olympiad
207Yerofeev Sergey (...2370Ponjakov V S (RUS)1-043 ≣E47Ch Russia (corr.)...
75Poppe GaetanMay Hans Werner1-020E21corr.
22Cherepkov Alexand...2395Reshko Aron G (RUS)0-133 ≣E47Ch Leningrad
234Computer \Computer \1-046 ≣E47It (computers)
4Aronson Lev (RUS)Roizman Abram (BLR)1-030 ≣E47Ch Belarus
72Vehreschild HHess1-038 ≣E47corr.
79ThunbergFiensch Gunter0-139 ≣E47corr.
148Rout Ian1902Wood Jeff1-028 ≣E47Belconnen Spring Cup
167Garcia Martinez F...2211Gurri Ferran1-029 ≣E40Ch Catalunia (jun...
220Computer \Computer \0-150 ≣E47It (computers)
34Dmitriev Igor (RUS)2392Hesse Gunter0-127 ≣E21?
93Hutschenreiter JoergSchuetze1-047 ≣E41corr.
31Tiemeyer HMendel G1-031 ≣E41corr.
81Maresca FilippoPellegrini R1-018 ≣E47Ch Italy
265Computer \Computer \0-141 ≣E47It (computers)
110Rastas SeppoAulaskari Pauli (...1-038 ≣E47?
209Nabel MatthiasRaffaele Enzo1-050 ≣E47corr. ICCF
5Bannik Anatoly (GER)2175Blagidze Alexander1-049 ≣E47Ch URS (1/2 final)
223Vassia Elio (ITA)Gutsche Dieter1-026 ≣E47corr. ICCF
98Chabot Roland (CAN)2231Glen Graham1-027 ≣E47Ch Canada
216Sokolov Ivan (NED)2656Kasparov Garry (RUS)28511-028 ≣E47It (cat.17)
183Lautier Joel (FRA)2660Kramnik Vladimir ...27701-034 ≣E47It \
226Khalifman Alexand...2667Kramnik Vladimir ...27700-135 ≣E47It (cat.21)
380Nakamura Hikaru (...2753Ponomariov Ruslan...27580-141 ≣E47It (cat.20)23 Jul 2011
356Potkin Vladimir (...2630Wang Hao (CHN)27240-130 ≣E47Match \09 Aug 2010
367Vuckovic Bojan (SRB)2623Movsesian Sergei ...27151-034 ≣E40It (open) \14 Feb 2011
362Dambacher Martijn...2476Jobava Baadur (GEO)27101-029 ≣E41Cup European Club23 Oct 2010
388Pavlovic Milos (SRB)2541Naiditsch Arkadij...27060-132 ≣E47Ch Serbia (team P...
278Korotylev Alexey ...2596Grischuk Alexande...27041-037 ≣E47Ch Russia26 Nov 2004
338Onischuk Alexande...2699Moiseenko Alexand...26821-047 ≣E47It (cat.15)30 Aug 2009
346Shchekachev Andre...2527Miroshnichenko Ev...26770-130 ≣E47It \24 May 2010
382Lund Esben (DEN)2380Bu Xiangzhi (CHN)26660-146E47It (open) \
398Gajewski Grzegorz...2616Khismatullin Deni...26641-036 ≣E47It (open) \13 Feb 2012
299Berkes Ferenc (HUN)2589Almasi Zoltan (HUN)26640-140 ≣E47Memorial Gyorgy M...28 Jul 2006
272Lugovoi Aleksei (...2550Aleksandrov Aleks...26590-147 ≣E47Ch Russia (club)20 Apr 2004
210Lesiege Alexandre...2553Onischuk Alexande...26571-041 ≣E47It (open)
284Adler Viktor (USA)2394Milov Vadim (SUI)26520-141 ≣E47It (open)19 May 2005
325Korobov Anton (UKR)2605Zhang Zhong (SIN)26491-032 ≣E47World Mindsports ...15 Oct 2008
397Melkumyan Hrant (...2620Lupulescu Constan...26481-048 ≣E47Bundesliga 2011/1205 Feb 2012
347Lahiri Atanu (IND)2341Aleksandrov Aleks...26470-128 ≣E47It (open)26 May 2010
400Dambacher Martijn...2491Landa Konstantin ...26450-138 ≣E47Ch Netherlands (t...10 Mar 2012
366Flores Diego (ARG)2599Vescovi Giovanni ...26341-045 ≣E47Memorial Antonio ...21 Jan 2011
99Lin Weiguo (CHN)2447Ivanchuk Vassily ...26251-039 ≣E47Ch World (juniors...
142Korchnoi Viktor (...2625Illescas Cordoba ...26251-031 ≣E47It
135Huebner Robert Dr...2630Lobron Eric (GER)26250-140 ≣E47It
257Stankovic Zelijko...2168Pelletier Yannick...26240-136 ≣E41It (open)
279Andrist Pascal (SUI)2155Sokolov Andrei (FRA)26230-125 ≣E47It (open)
280Sutter Oliver (SUI)2403Sokolov Andrei (FRA)26230-135 ≣E47Ch Switzerland (t...20 Mar 2005
90Jussupow Artur (GER)2660Sokolov Andrei (FRA)26200-148 ≣E47Ch World (match) ...
63Portisch Lajos (HUN)2630Hort Vlastimil (GER)26201-026 ≣E47It (cat.12)
332Bernasek Jan (CZE)2470Laznicka Viktor (...26170-126 ≣E10It (active)06 Jun 2009
179Ketzscher Roland ...2085Alterman Boris (ISR)26150-127 ≣E47It (open)
149Lukacs Peter (HUN)2490Loginov Valery A ...26100-139 ≣E47It
357Dvirnyy Daniyyl (...2481Chatalbashev Bori...26060-143 ≣E46It (open)28 Aug 2010
392Urkedal Frode (NOR)2460Hammer Jon Ludvig...26060-145 ≣E21Ch Norway (team) ...05 Nov 2011
147Jussupow Artur (GER)2630Hjartarson Johann...26051-028 ≣E47It
413Murali Krishnan B...2329Aleksandrov Aleks...26020-138 ≣E47It (open)16 Oct 2012
381Johansson Linus (...2195Hammer Jon Ludvig...26010-125 ≣E41It (open) \
251Potter John Russe...2295Kacheishvili Gior...25970-138E47It (open)
191Lusto Alexey (RUS)2375Aleksandrov Aleks...25950-128 ≣E10Cup President
327Maruejols Claude ...2044Balogh Csaba (HUN)25950-143 ≣E47It (open)11 Apr 2009
349Nguyen Chi-Minh (...2391Pelletier Yannick...25921-029 ≣E21Ch France (team) ...05 Jun 2010
328Peralta Fernando ...2545Graf Alexander (GER)25831-031 ≣E47It (open)12 Apr 2009
1Geller Efim P (RUS)2455Petrosian Tigran ...25801-046 ≣E40
361Gonzalez Zamora J...2564Moradiabadi Elsha...25780-147 ≣E10Olympiad01 Oct 2010
42Donchenko Oleg I ...2309Krogius Nikolai V...25750-139 ≣E47Ch URS (1/2 final)
192Jussupow Artur (GER)2640Van Der Sterren P...25751-040 ≣E47Bundesliga 1997/98
315Holmberg Rune2513Drake Diez de Riv...25740-141 ≣E47Ch World (corr.) ...
364Zilka Stepan (CZE)2517Babula Vlastimil ...25721-043 ≣E47Extra League 2010/1109 Jan 2011
286Brulic Denis (CRO)2247Palac Mladen (CRO)25710-146 ≣E10Cup Croatia (team)30 May 2005
268Ravi Lanka (IND)2431Landa Konstantin ...25711-032 ≣E21It (open) \19 Feb 2004
259Tauber Manfred (GER)2268Landa Konstantin ...25710-136 ≣E21It (open)
202Arlandi Ennio (ITA)2440Komarov Dimitri (...25700-127 ≣E47It (cat.10)
231Sturua Zurab (GEO)2594Kacheishvili Gior...25640-137 ≣E47Ch Georgia
350Timofeev Artyom (...2690Brkic Ante (CRO)25641-028 ≣E47Ch Bosnia & Herze...06 Jun 2010
408Van Engen Herman ...2074Van Kampen Robin ...25630-145 ≣E41It (open)22 Jun 2012
114Muir Andrew J (SCO)2311Lerner Konstantin...25600-139 ≣E47It (open)
196Nikolov Sasho (BUL)2400Palac Mladen (CRO)25601-025 ≣E47It (open)
33Gligoric Svetozar...2447Korchnoi Viktor (...25560-139 ≣E47It