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Nimzo-Indian, 4.e3, Main line with 7...Nc6 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 dxc4 9. Bxc4 Ba5

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
261Straka Josef Jr (...2370Neumann Joachim (...2118½-½15 ≣E47It (open)01 Jul 2012
260Zsinka Laszlo (HUN)2286Nagy Ervin (HUN)2269½-½40 ≣E47Ch Hungary (team)...29 Jan 2012
259Kashlinskaya Alin...2358Ter Sahakyan Samv...25160-177 ≣E47Memorial V.Somov \09 May 2010
258Potkin Vladimir (...2619Corrales Fidel (CUB)26021-054 ≣E10Memorial J.Capabl...10 Jun 2009
257Hampel Johannes (...2192Macdonald-Ross St...20491-029 ≣E47Ch Europe (senior...23 Feb 2006
256Netusil Miroslav ...2333Oulovsky Pavel (CZE)21651-026 ≣E41It (open)03 Jul 2005
255Nguyen Chi-Minh (...2371Renet Olivier (FRA)24970-144 ≣E46Ch France (team) ...04 May 2005
254Lugovoi Aleksei (...2550Palo Davor (DEN)2526½-½16 ≣E47It (cat.10)28 Sep 2004
253Zilberstein Dmitr...2379Stein Alan (USA)23620-130 ≣E47It (cat.3)27 Jul 2004
252Bernadsky VitalyBortnik Alexandr ...23600-159 ≣E40Ch Ukraine (junio...04 Mar 2004
251Sutter Oliver (SUI)2378Renet Olivier (FRA)25070-136 ≣E47Ch Switzerland (t...29 Feb 2004
250Jussupow Artur (GER)2583Lobron Eric (GER)25091-028 ≣E47Cup Rilton
249Telea Stefan (ROM)2155Seder Nicolae (ROM)2166½-½72 ≣E21It (open)
248Ban Aly AlyAhmed Esam Aly (EGY)23930-133 ≣E41It (open)
247Kuzubov Yuriy (UKR)2283Miasoedov Gleb½-½71 ≣E47Ch Ukraine (junio...
246Zhang Zhong (SIN)2657Zhang Haining1-037 ≣E47Ch China (team)
245Elsness Frode (NOR)2383Gabrielsen Stig (...23051-053 ≣E41Ch Norway
244Mueller Marcus (GER)2154Wenzel Johannes (...2175½-½30 ≣E47Oberliga 1999/00
243Gual Pascual Anto...2420Garcia Ilundain D...2495½-½13 ≣E47It (open)
241Muench Klaus-Norb...2122Schuster Karsten ...22461-044 ≣E47Bayern Regionalli...
240Lapienis Donatas ...2340Niebling Ferdinan...22701-065 ≣E47Ch World (seniors)
239Buerger Carsten (...2166Traudes Wolfgang ...22020-158 ≣E47It (open)
238Becker Christoph ...2156Freise Friedhelm ...21380-138 ≣E21It (open)
237Kargl Kurt (AUT)2300Lechtynsky Jiri (...24350-144 ≣E47It
236Frolik Martin (CZE)2265Lechtynsky Jiri (...2435½-½64 ≣E47Extra League 1995/96
235Romanov Oleg (BLR)2345Lechtynsky Jiri (...24350-131 ≣E47It (open)
233Petrosian Karen (...2400Lengyel Levente (...2365½-½19 ≣E47It (cat.8)
232Vergara Jose (FRA)2152Nielsen (FAI)0-128E41Olympiad
231Helwig FrankKane John½-½36 ≣E47corr.
230Hrtanek Jiri (CZE)2117Lechtynsky Jiri (...23750-138 ≣E47It (open) \
229Fabris Alberto (ITA)2230Iotti Pierluigi (...22931-062 ≣E21It (open)
228Santa Luis A (PUR)2184Schinis M (CYP)2205½-½30 ≣E41Olympiad
227Bokor Istvan (HUN)2226Nagy Ervin (HUN)2269½-½15 ≣E47Ch Hungary (team)...
226Thorsteins Karl (...2469Olafsson Helgi (ISL)2270½-½44 ≣E47Ch Iceland
225Muttoni Guillermo...Clarizza Jorge En...0-127 ≣E46corr.
224Lukacs Peter (HUN)2404Lechtynsky Jiri (...23751-043 ≣E10Zt
223De Baere DavidKuhnert1-029 ≣E47World Tournament ...
222Martinez Acosta PedrClarizza Jorge En...0-156 ≣E41corr.
221Hansson StigGoransson Gert0-125 ≣E47Ch Sweden (corr.)
220Juan Roldan Jose ...2304Aguera Naredo Jav...23451-041 ≣E47Ch Asturias (juni...
219Thompson (USA)Devault Roy½-½27 ≣E47Ch USA (corr.)
218Sarwinski Mirosla...2313Luczak Andrzej (POL)23701-032 ≣E21Ch Poland (team)
217Sonntag Hans-Hube...2385Lechtynsky Jiri (...24401-038 ≣E46It (open)
216Danner Georg (AUT)2415Lechtynsky Jiri (...24500-135 ≣E47It \
215Garcia Palermo Ca...2515Garcia Martinez S...24301-036 ≣E47It
214Ketzscher Roland ...2085Zerbe Klaus1-040 ≣E47Europe Tournament...
213Garcia Palermo Ca...2515Armas Jorge (CUB)23301-028 ≣E47It
212Portisch Ferenc (...2445Lechtynsky Jiri (...24701-035 ≣E47It (cat.7)
211Ketzscher Roland ...2085Zerbe Klaus1-031 ≣E47Europe Tournament...
210Azmaiparashvili Z...2455Andrianov Nikolai...24001-040 ≣E41Ch URS (young mas...
209Goldstein G (RUS)2126Zamruk Aleksandar...23350-126 ≣E41Ch Uzbekistan
208Rimpilainen OssiLahti Lauri0-135 ≣E47?
207Portisch Ferenc (...2435Lechtynsky Jiri (...24751-024 ≣E47Ch Czechoslovakia...
206Vladimirov Evgeny...2495Grigorian Karen (...2415½-½14 ≣E41It
205Brinck-Claussen B...2375Fries-Nielsen Nie...23170-142 ≣E47Tournament
204WolfRutgersson N1-030 ≣E47corr.
203Chow Albert (USA)2206Bass Leonid (USA)24100-141 ≣E41Tournament
202Danner Georg (AUT)2410Luczak Andrzej (POL)23701-059 ≣E41It
201Knaak Rainer (GER)2495Lechtynsky Jiri (...2455½-½30 ≣E47It (cat.8)
200Sobek Jaroslav (CZE)2267Lechtynsky Jiri (...24500-156 ≣E21It
199Danner Georg (AUT)2408Lengyel Levente (...2455½-½16 ≣E47It
198Lukacs Peter (HUN)2420Luczak Andrzej (POL)2370½-½19 ≣E41It
197Mihalcisin Adrian...2480Kochyev Alexander...25450-140 ≣E47Ch URS (1 liga)
196Luodonpaa Martti ...1900Nissi Jussi1-022 ≣E47?
195Lukacs Peter (HUN)2460Lengyel Levente (...2293½-½18 ≣E41It
194Lombard Andre (SUI)2400Pomar Salamanca A...2420½-½25 ≣E47Olympiad
193Huebner Robert Dr...2600Andersson Ulf (SWE)25651-056 ≣E41It (cat.14)
192Lindroos RaimoFroberg Aarne0-124 ≣E47?
191Juumajarvi EeroLaine Karri1-048 ≣E41?
190Trapl Jindrich (CZE)2336Lechtynsky Jiri (...23750-142 ≣E47Ch Czechoslovakia
189Betancort Curbelo...2255Pomar Salamanca A...2430½-½20 ≣E46It
188Donner Jan-Hein (...2475Amos Bruce M (CAN)23550-148 ≣E47Olympiad
187Dietze Wolfgang D...2250Liebert Heinz (GER)2247½-½32 ≣E47Ch DDR
186Stolle EHerschel Knut0-127 ≣E47corr.
185Koskela TaistoKaakinen Erkki0-144 ≣E46?
184Mujunen PerttiHaara Pentti0-144 ≣E47?
183Leoncini Mario (ITA)2141Mandolfo Giuseppe1-032 ≣E47?
182Horst HKoegler K½-½42 ≣E47World Tournament ...
181Endzelins Lucius ...Bengtsson E1-024 ≣E47Ch World (corr.)
180Knaak Rainer (GER)2515Kostro Jerzy (POL)23850-149 ≣E47Match \
178Niklasson Christe...2350Kaiszauri Konstan...23501-041 ≣E47Ch Sweden
177Niklasson Christe...2350Fridh Anton (SWE)22551-041 ≣E41Ch Sweden
176Deze Anton (YUG)2375Damjanovic Mato (...2460½-½18 ≣E41It
175Knaak Rainer (GER)2515Gruenberg Hans-Ul...24021-048 ≣E47Ch DDR
174Farago Ivan (HUN)2475Lechtynsky Jiri (...23900-139 ≣E47?
173Visier Segovia Fe...2345Parma Bruno (SLO)2510½-½24 ≣E41Olympiad
172JogorKraidman Yair (ISR)24701-048 ≣E47Olympiad
170Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½41 ≣E47Ch World (match) ...
169Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½44 ≣E47Ch World (match) ...
168Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½21 ≣E47Ch World (match) ...
167Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½32 ≣E47Ch World (match) ...
166Polugaevsky Lev A...2630Olafsson Fridrik ...2550½-½23 ≣E41It
165Matera Salvatore ...2425Damjanovic Mato (...24600-140 ≣E41It
164Timman Jan H (NED)2540Tal Mikhail N (LAT)2635½-½48 ≣E47It
163Letic Stevan (SRB)2104Brilla Banfalvi S...0-158 ≣E46corr.
162Gligoric Svetozar...2595Milicevic Miodrag...22041-041 ≣E41?
160Taimanov Mark E (...2585Parma Bruno (SLO)2500½-½27 ≣E41Match \
159Podgaets Mikhail ...2465Osnos Viatcheslav...25101-040 ≣E47Ch URS (1 liga)
158Van Scheltinga Th...2330Langeweg Kick (NED)2430½-½27 ≣E10Ch Netherlands (t...
157Taimanov Mark E (...2585Karpov Anatoly (RUS)2660½-½20 ≣E41Ch URS