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Nimzo-Indian, 4.e3, Main line 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 dxc4

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
201Littleton Michael...2275Sharif Mehrshad (...23301-012 ≣E10Olympiad
202Steiner Josef (AUT)2116Yudovich Mikhail ...1-033 ≣E41corr.
203Corleo GSchaetzel F0-124 ≣E47Ch Europe (corr.)
204Pulieri PaoloMicka0-132 ≣E47Ch Europe (corr.)
205Corleo MargheritaZlebcik L0-138 ≣E47Ch Europe (team) ...
206MoranSantoro O1-031 ≣E47Ch Europe (team) ...
207Thapper RolandZlebcik L0-149 ≣E47Ch Europe (team) ...
208Steiner Josef (AUT)2116Kauranen Risto0-130 ≣E47It (cat.7)
209Ketzscher Roland ...2085Jordan Garcia Jos...1-032 ≣E47corr.
210Pamperin Gerhard ...1999Albert Garrote Am...18681-028 ≣E47corr.
211Rajkovic Dusan (SRB)2415Hort Vlastimil (GER)25901-034 ≣E47It
212Reshevsky Samuel ...2560Tan Lian-Ann (SIN)23701-043 ≣E47Izt
213Bergdahl AssarNordstrom Felix (...21810-140 ≣E41corr.
214Loginov Valery A ...2486Ivanov Alexander ...20330-127 ≣A05Tournament (juniors)
215Donner Jan-Hein (...2495Knaak Rainer (GER)25151-038 ≣E47It \
216Knaak Rainer (GER)2515Garcia Gonzales G...24501-042 ≣E41Memorial J.Capabl...
217TothJavelle Gabriel1-037 ≣E47It (cat.6)
218Miettinen ReinoBjorkqvist Armas1-028 ≣E47corr.
219Garcia Martinez S...2400Debarnot Roberto ...24201-031 ≣E47It
220Dydyshko Viachesl...2512Begun Sergei M (BLR)22951-029 ≣E47?
221Emma Jaime (ARG)2405Link Hugo E (ARG)22751-048 ≣E47Tournament
222Ball Stephen (CAN)2225Dobrich Walter (CAN)22300-128 ≣E47Ch Canada
223CaridiCarrettoni1-026 ≣E47corr.
224Beliavsky Alexand...2500Slutzky Leonid (ISR)23281-030 ≣E47Olympiad URS
225Gorniak Juri (MDA)Siniavsky Alexander1-021 ≣E21Olympiad URS
226Kozlovskaya Valen...2281Gaprindashvili No...24250-142 ≣E47Olympiad URS
227Taimanov Mark E (...2580Zaichik Gennadi (...24571-039 ≣E21Olympiad URS
228Sorsak Jozef Sr (...2125Kolesar Milan (SVK)21750-130 ≣E21It (b)
229Svensson Gert (SWE)2215Bengtsson Bo (SWE)23000-138 ≣E47Ch Sweden
230Lombard Andre (SUI)2350Unzicker Wolfgang...25351-038 ≣E47Ch Switzerland
231Koski PekkaRantanen Veikko1-023 ≣E41?
232Palmo Pentti (FIN)2065Hietanen Pentti1-033 ≣E21?
233Uimonen Matti (FIN)2098Lampinen Juha1-032 ≣E47?
234Just Joachim (GER)2047Potthammel Joerg ...21300-140 ≣A17Ch DDR (corr.)
235Hesselbarth Karlh...1808Klatt O1-035 ≣E47corr.
236Sydor Andrzej (POL)2325Pinkas Karol (POL)23201-045 ≣E41It (b)
237Tarjan James E (USA)2490Padevsky Nikola (...23551-030 ≣E41It
238Knaak Rainer (GER)2520Timoscenko Gennad...24830-134 ≣E47?
239Reid Alan (SCO)2205Prizant Michael (...21360-120 ≣E47Ch Great Britain
240Christoffel Marti...Sarosi Zoltan (HUN)22971-040 ≣E47Olympiad (corr.)
241Kuuskmaa EndelSarosi Zoltan (HUN)22970-144 ≣E47Olympiad (corr.)
242Koski PekkaHeikkinen Jyrki0-125 ≣E47?
243Ivanov Igor V (CAN)2424Popov Nikolay (MDA)24100-140 ≣E41Tournament
244Brinck-Claussen B...2263Fries-Nielsen Jen...23871-042 ≣E47Ch Denmark
245Juhnke Karl (GER)2178Ruehrig Volkhard ...0-137 ≣E47Ch Germany (team)...
246Lukacs Peter (HUN)2460Barczay Laszlo (HUN)24650-122 ≣E47Ch Hungary
247Brilla Banfalvi S...Gisbrecht Ewgeni ...24151-049 ≣E47Ch Europe (team) ...
248KeneszDuenhaupt HW (GER)1-040 ≣E41Ch Europe (team) ...
249Kaarlonen KaarloMettinen Timo1-031 ≣E47?
250Lerner Konstantin...2515Zaichik Gennadi (...24571-041 ≣E41Memorial V.Karsel...
251Rodriguez Orestes...2485Olafsson Fridrik ...25300-126 ≣E41It (cat.10)
252Boudy Julio (CUB)2188Campos Lopez Mari...23551-042 ≣E41It
253Portisch Lajos (HUN)2630Sosonko Gennadi (...25751-038 ≣E41It (cat.14)
254Podgaets Mikhail ...2465Donchenko Anatoly...23851-033 ≣E41?
255Webb Simon (ENG)2420Boehlig Heinz Dr ...22371-049 ≣E47It \04 Jun 1978
256Chandler Murray G...2380Speelman Jonathan...24700-144 ≣E47It
257Pinter Jozsef (HUN)2445Rigo Janos (HUN)23851-040 ≣E21Ch Hungary
258Portisch Ferenc (...2475Rigo Janos (HUN)23851-036 ≣E41Ch Hungary
259Yrjonen MarkkuMolarius Reijo (FIN)1-036 ≣E41?
260Anton V (GER)Bunke Wilfried (GER)20901-046E47corr.
261Cherek GunterSchimron H0-129 ≣E40corr.
262Mueller Georg (GER)2054Zimmermann Martin...22381-042 ≣E47corr.
263Keene Raymond D (...2455Romanishin Oleg M...25600-140 ≣E41?
264Clayton JAWilson PA1-048 ≣A15corr.
265Podgaets Mikhail ...2450Romanishin Oleg M...25601-049 ≣E41?
266Heiberg ThomasJohannessen Svein...22730-124 ≣E41Memorial Sigurd S...30 Aug 1979
267Endzelins Lucius ...Bouwmeester Hans ...23430-144 ≣E47Memorial Perfors ...
268Hermlin Aarne (EST)2233Oberwalthal1-047 ≣E47World Tournament ...
269Luft Josef2155Grzeskowiak Felix1-034 ≣E47World Tournament ...
270Ravikumar Vaidyan...2305Hovde Frank (NOR)22850-130 ≣E47It (open)
271Gerusel Mathias (...2395Behle Karl-Willi ...22561-028 ≣E41Bundesliga (2nd) ...
272Hovde Frank (NOR)2285Henttinen Markku ...22700-136 ≣E46It (open)
273Lukacs Peter (HUN)2405Pinkas Karol (POL)23201-041 ≣E21It (a)
274Hawelko Marek (POL)2380Radziejewski Dari...23001-045 ≣E47It
275Mann VPiastowski Kurt (...19780-124 ≣E41Ch DDR (corr.)
276Beutler MKuhn0-128 ≣E47corr.
277Loschi EQuattrocchi Gaetano1-022E46?
278Dries JVlugt F (NED)19981-036 ≣E47corr.
279Easton Alex (SCO)2147Miles Jana0-135 ≣E47It (open)
280Glasewald Stefan ...2079Selke Horst1-047 ≣A40corr.
281KahlGuenther1-045 ≣E47corr.
282Kell KlausSelke Horst1-024 ≣A40corr.
283Goehring Karl-Hei...2335Unzicker Wolfgang...25100-139 ≣E47Bundesliga 1982/83
284Olafsson Helgi (ISL)2270Zaltsman Vitaly F...24451-036 ≣A17It (open)
285Hoi Carsten (DEN)2390Norgaard Jesper (...24081-034 ≣E47Tournament
286Knaak Rainer (GER)2505Tischbierek Raj (...24541-042 ≣E41It
287Gomez AmalioCorral Blanco Jua...24360-144 ≣E47Ch Asturias (team)
288Knaak Rainer (GER)2490Prandstetter Edua...24401-027 ≣E47Ch Czechoslovakia...
289Panno Oscar (ARG)2515Hase Juan C (ARG)24151-029 ≣A05It (a)
290Savolainen MattiHaapasalo Risto1-037 ≣E41?
291Hesselbarth Karlh...1808Piastowski Kurt (...19781-039 ≣E41Ch DDR (corr.)
292BarbagalloLyne Colin18700-131 ≣A17corr.
293Azmaiparashvili Z...2455Franzen Jozef (SVK)23021-030 ≣E41Cup Tatran
294DadicUlkjar1-034 ≣E47corr.
295Letic Stevan (SRB)2104Franzen Jozef (SVK)23020-140 ≣E41corr.
296Movre DKalvelis1-025 ≣E47corr.
297Kausek KZlebcik L1-037 ≣E41Ch Czechoslovakia...
298Van Meggelen AHoffmann Gerfried0-133 ≣E46Europe Tournament...
299Gneusz WEichenberg1-034 ≣E41corr.
300GriesbachTucek Jan1-036 ≣E47corr.