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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
19Korelov Alexander...2375Zlotnik Boris A (...24331-035 ≣E21Ch URS (team)
65Vaisser Anatoly (...2536Zilberstein Valer...22510-150 ≣E47Spartakiada URS
300Matveeva Svetlana...2415Zhao Xue (CHN)24670-143 ≣E47Match \19 Aug 2006
325Korobov Anton (UKR)2605Zhang Zhong (SIN)26491-032 ≣E47World Mindsports ...15 Oct 2008
358Nadanian Ashot (ARM)2411Xiu Deshun (CHN)25211-035 ≣E10It (open)02 Sep 2010
148Rout Ian1902Wood Jeff1-028 ≣E47Belconnen Spring Cup
120Preuss Manfred (GER)2016Witt Rob (NED)22391-026 ≣E21It (open)
227Pliester Leon (NED)2351Winants Luc (BEL)25230-145 ≣E41Ch Netherlands (t...
171Yakovich Yuri (RUS)2530Wilhelmi Christia...23550-140 ≣E47It (open) \
283Upton Ian J (ENG)2259Werle Jan (NED)25090-146 ≣E47Ch England (team)...30 Apr 2005
410Marusenko Petr (UKR)2164Wells Peter K (ENG)24880-141 ≣E47It \11 Jul 2012
370Wang Hao (CHN)2733Wei Yi (CHN)22991-024 ≣E47Ch China (team)12 Apr 2011
356Potkin Vladimir (...2630Wang Hao (CHN)27240-130 ≣E47Match \09 Aug 2010
14Gligoric Svetozar...2447Vukovic Milosav (...22901-028 ≣E21Ch Yugoslavia
318Stocek Jiri (CZE)2578Votava Jan (CZE)25421-042 ≣E00Extra League 2007/0813 Apr 2008
266Vogel Robert (GER)2274Vonthron Horst (GER)23291-033 ≣E41Bundesliga (2nd) ...30 Mar 2003
78Ojala JormaVisti Heikki (FIN)19740-135 ≣E41?
32Byrne Robert E (USA)2434Villarroel Geber ...22901-036 ≣E21Olympiad
115Anton V (GER)Viaud Adolphe1-033 ≣E47Memorial Bergrase...
366Flores Diego (ARG)2599Vescovi Giovanni ...26341-045 ≣E47Memorial Antonio ...21 Jan 2011
88Akkil MVella Brian (MLT)22051-025 ≣E10Ch World (juniors...
124Ibragimov Ildar (...2485Vekshenkov Nikola...24161-035 ≣E41Ch URS (1/2 final)
304Norri Joose (FIN)2356Veingold Aleksand...24520-136 ≣E47Ch Finland (team)...17 Sep 2006
184Kanko Ilkka (FIN)2255Veingold Aleksand...24500-126 ≣E47Ch Finland (open)
195Kanko Ilkka (FIN)2270Veingold Aleksand...24850-146 ≣E47It (open)
290Castillo Martinez...2133Veingold Aleksand...24440-148 ≣E47It (open)19 Aug 2005
285Peralta Fernando ...2538Vehi Bach Victor ...24161-027 ≣E47It (open)23 May 2005
273Mraz Miroslav (CZE)2048Van Oosterom Joop...22600-145 ≣E47Ch World (corr.) ...01 Jun 2004
408Van Engen Herman ...2074Van Kampen Robin ...25630-145 ≣E41It (open)22 Jun 2012
253Trevelyan John (WLS)2191Van Der Stricht G...23970-123 ≣E47Cup European Club...
192Jussupow Artur (GER)2640Van Der Sterren P...25751-040 ≣E47Bundesliga 1997/98
365Di Berardino Dieg...2483Tsuboi Edson Kenj...23501-032 ≣E47Memorial Antonio ...14 Jan 2011
13Salas Romo Julio ...Troianescu Octav ...23301-041 ≣E41Olympiad
41Donner Jan-Hein (...2500Troianescu Octav ...23300-139 ≣E41Memorial J.Capabl...
409Fernandez Maria (...2150Tristan Leonardo ...24490-126 ≣E47Ch Argentina09 Jul 2012
145Zsinka Laszlo (HUN)2286Tolnai Tibor (HUN)24900-142 ≣E47Ch Hungary (team)...
144Schneider Attila ...2266Tolnai Tibor (HUN)24900-128 ≣E47Ch Hungary (team)...
402Hillarp Persson T...2530Tisdall Jonathan ...24181-034 ≣E47Ch Norway (team) ...25 Mar 2012
111Bjerke Richard (NOR)2135Tisdall Jonathan ...24650-135 ≣E11It (open)
172Bjerke Richard (NOR)2275Tisdall Jonathan ...25150-140 ≣E47It (open)
54Lim Seng-Hoo (SIN)2440Tisdall Jonathan ...23900-127 ≣E47?
83Knaak Rainer (GER)2530Tischbierek Raj (...24500-133 ≣E47It (cat.8)
108Knaak Rainer (GER)2485Tischbierek Raj (...24541-041 ≣E46It (cat.10)
208Genkin Michael (GER)2176Tischbierek Raj (...25440-133 ≣E47Ch Hessen (open)
46Valve PekkaTiihonen Erkki1-040 ≣E47?
130Bjerke Richard (NOR)2285Thorsson Olafur (...22251-028 ≣E00It (open)
160Palacios Perez Ma...2192Tatai Stefano (ITA)24351-025 ≣E41It (open)
64Toth Bela (ITA)2345Tatai Stefano (ITA)24550-134 ≣E47Zt
263Swati Mohota (IND)2151Tania Sachdev (IND)22560-149 ≣E47Ch India (w)
102Tirabassi Maurizi...2306Taksrmo1-041 ≣E47Olympiad (corr.)
383Reinemer Frank (GER)2216Szabo Krisztian (...25460-126 ≣E47It (open)06 Aug 2011
378Kanarek Marcel (POL)2444Szabo Bence (HUN)23331-049 ≣E47Ch Europe (team) ...17 Jul 2011
49Borisenko Georgy ...2354Sturua Zurab (GEO)25241-042 ≣E21Ch URS (qual)
353Baumegger Siegfri...2398Strauss Anton (AUT)21701-022 ≣E10Ch Austria24 Jul 2010
189Shabalov Alexande...2585Stefansson Hannes...25451-024 ≣E47It (open)
146Maksimovic Suzana...2223Stefansson Hannes...25000-132 ≣E47It (open)
233Lesiege Alexandre...2588Spraggett Kevin (...25411-034 ≣E47Zt (play-off)
161Marinelli Tullio ...2440Sosonko Gennadi (...25250-149 ≣E41Zt
331Kovacs G_ (HUN)2514Solomon Kenny (RSA)23511-035 ≣E46It (cat.8)06 Jun 2009
406Peralta Fernando ...2591Solomon Kenny (RSA)24491-032 ≣E47It (open)03 Jun 2012
203Garza Marco Sergi...2255Solana Suarez Ern...22850-135 ≣E47Ch Spain (team)
90Jussupow Artur (GER)2660Sokolov Andrei (FRA)26200-148 ≣E47Ch World (match) ...
280Sutter Oliver (SUI)2403Sokolov Andrei (FRA)26230-135 ≣E47Ch Switzerland (t...20 Mar 2005
279Andrist Pascal (SUI)2155Sokolov Andrei (FRA)26230-125 ≣E47It (open)
86Ricardi Pablo (ARG)2495Smith J R (WLS)21651-041 ≣E47Ch World (team) (...
245Fokin Andrey (RYS)Smirnov Artem (RUS)22831-040 ≣E41It (open) \
123Ibragimov Ildar (...2485Skomorokhin Roman...23761-026 ≣E00Ch URS (1/2 final)
62Brinck-Claussen B...2385Sigurjonsson Gudm...25000-135 ≣E41It (cat.7)
255Fournarakos Geras...2040Sigalas Frangisko...21570-137 ≣E41It (open)
411Obolentseva Alexa...1950Sieber Fiona17811-039 ≣E47Ch Europe (junior...22 Aug 2012
294Aronian Levon (ARM)2741Shomoev Anton (RUS)25281-028 ≣E47Ch Russia (club)30 Apr 2006
152Bjarnason Saevar ...2290Shneider Aleksand...25350-127 ≣E41It (open)
250Sherbakov Ruslan ...2557Shetty Rahul (IND)23720-147 ≣E47It (open)
121Schneider Attila ...2266Shereshevski Mikh...24750-132 ≣E47It \
117RiemannShanholtzer1-030 ≣E46corr.
225Ivanov Andrey A (...2297Shalimov Valery (...24060-126 ≣E46It (cat.4)
312Paikidze Nazi (GEO)2292Shalimov Valery (...24390-143 ≣E47It24 Jul 2007
247Kallio Heikki (FIN)2474Shahade Gregory (...24521-038 ≣E47It (cat.8)
238Bengtson Matthew ...2264Shahade Gregory (...24590-137 ≣E47It \
91Acosta Tomas (ARG)2275Servat Roberto (ARG)22851-031 ≣E47Ch Argentina
94Zugehoer ESchulz Gert (GER)20531-028 ≣E47corr.
93Hutschenreiter JoergSchuetze1-047 ≣E41corr.
3Rellstab Ludwig S...2265Scheipl Ralf (GER)22831-036 ≣E41Ch BRD
194Lapienis Donatas ...2305Scheipl Ralf (GER)22701-041 ≣E41Ch World (seniors)
40Wirthensohn Heinz...2359Schauwecker Meinr...22511-023 ≣E40It (juniors) (und...
405Ramakrishna J (IND)2232Satyapragyan Sway...24320-145 ≣E40Ch India (challen...22 May 2012
269Garcia Jhoel (PER)2201Samame Castillo J...22430-136 ≣E41Ch Peru08 Mar 2004
36Vaganian Rafael A...2577Sakharov Yuri N (...24751-032 ≣E41Ch URS (1/2 final)
355Wojtaszek Radosla...2711Rusev Krasimir (BUL)25241-045 ≣E47Ch Spain (team) (...09 Aug 2010
320Garcia Vicente Ni...2220Rubio Mejia Luis ...23590-147 ≣E47It (open)23 Jul 2008
39Portisch Lajos (HUN)2523Rubinetti Jorge (...23821-039 ≣E47Izt
376Kashlinskaya Alin...2385Roser Kevin (FRA)24440-128 ≣E47Ch Paris (open)09 Jul 2011
59Puronaho AarnoRomppanen Tuomo0-132 ≣E41?
45Korelov Alexander...2375Roizman Abram Y (...23150-142 ≣E41Memorial A.Sokolsky
4Aronson Lev (RUS)Roizman Abram (BLR)1-030 ≣E47Ch Belarus
66Lerch RRoisman Mario (ISR)21300-135 ≣E47Europe Tournament...
139Ibragimov Ildar (...2540Roeder Mathias (GER)24051-031 ≣E47It (open) \
106Villavicencio Ada...2310Rodriguez Talaver...24051-037 ≣E10It (open)
155Sitoe Titos (MOZ)Rizouk Ryad (ALG)23900-127 ≣E46Match (team)
85Barbero Gerardo F...2455Ricardi Pablo (ARG)24950-144 ≣E41Ch Argentina