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Nimzo-Indian, 4.e3, Botvinnik System 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+

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
6Ader Walter (CHI)2270Atias Waldo1-022 ≣E47It
112Akhsharumova Anna...2340Thorfinnsson Brag...21551-035 ≣E47It (open)
22Albert Horacio (ARG)2121Behrensen Jorge (...23250-140 ≣E47It
124Aliev Tchingiz (AZE)Mutton Jonathan (...21890-117 ≣E47Ch Europe (junior...
145Andonov Bogomil (...2412Savic Miodrag R (...24640-134 ≣E47Memorial M.Sreibe...
13Andric DragoslavKaraklajic Nikola...23030-130 ≣E47Ch Yugoslavia
14Andric DragoslavMajstorovic Ljubomir0-129 ≣E47Ch Yugoslavia
223Arun Prasad S (IND)2510Swayams Mishra (IND)23931-034 ≣A40Ch India05 Oct 2012
169Assad Karine (FRA)2054Heinz Timothee (FRA)22530-137 ≣E47Ch France (team) ...02 Apr 2005
76Bagonyai Attila (...2343Horvath Jozsef M ...21040-139 ≣E47It (open)
23BenitesForintos Gyozo V ...23170-128 ≣E47Ch World (team) (...
157Bergen Peter (AUT)2235Kaster Martin (GER)21221-026 ≣E47It (open)
140Bick John D (USA)2292Del Rio Angelis S...24670-131 ≣E47It (open)
125Binks Michael (WLS)2140Cast Jason1-025 ≣E47Ch Wales
27Birbrager Isaak (...Uusi Gunnar (EST)0-138 ≣E47Tournament
2Bolbochan Julio (...2440Garibaldi Oscar (...1-031 ≣E47Ch Argentina
10Bondarevsky Igor ...Pogats Jozsef (HUN)22301-036 ≣E47It
33Boudy Julio (CUB)2395Filip Miroslav (CZE)24950-140 ≣E47?
4Bozic AlexanderSimonovic Borko1-034 ≣E47Ch Yugoslavia
25Carvajal JohnnyHumerez Estrada C...1-036 ≣E47Ch Bolivia (match)
159Cebalo Miso (CRO)2520Pavlovic Milos (SRB)24810-137 ≣E47It (open)
149Cetinkaya Vedat A...2058Apaydin Fethi (TUR)20540-133 ≣E47Ch Turkey
43Condie Mark L (SCO)2360Speelman Jonathan...25000-132 ≣E47Zt
55Cvitan Ognjen (CRO)2510Prandstetter Edua...22961-037 ≣A40It \
70Daloz Jean-Michel...2143Verat Laurent (FRA)23380-125 ≣E47Ch France (team)
116Dauscher UlrichHeibei Juergen1-030 ≣E47It (open)
161De La Rocha Ramon...2320Roche Simon Migue...21781-024 ≣E47It (open) (c)
75Dereviagin Vladis...2320Dokhoian Yury (RUS)25450-140 ≣E47It (open)
133De Souza Mauro (BRA)2359Cabezas L1-025 ≣E47Tournament
108Dezember ThomasWolf Hans-Dietrich1-022 ≣E47Ch Pfalz (open)
17Donner Jan-Hein (...2430O'kelly De Galway...24600-135 ≣E47It
81Dumitrache Dragos...2454Barbulescu Dan (ROM)23900-125 ≣E47Ch Romania (team)
95Dumitrache Dragos...2475Alvares1-030E47Olympiad
167Dunn Michael1797Harris Benjamin (...20061-040 ≣E47Cup Doeberl (b)27 Mar 2005
182Dupre Paul Donald...2038Davies Peter (WLS)20010-127 ≣E47Ch England (team)...25 Mar 2007
28Dzindzichashvili ...2550Zaitsev Igor A (RUS)24081-034 ≣E47?
132Elsness Frode (NOR)2395Johannessen Leif ...23561-038 ≣A40Ch Norway (team)
45Enklaar Bertus F ...2395Borm Franciscus W...23851-033 ≣E47It (open)
46Ermenkov Evgenij ...2520Kindermann Stefan...25190-133 ≣E47It (cat.9)
3Euwe Max (NED)Steiner Hermann (...1-038 ≣E47It
123Feldman Vladimir ...2330Wright Cameron1-024 ≣E47It (sheveningen)
209Fernandez Francis...2313L'Ami Erwin (NED)26240-133 ≣E47Olympiad21 Sep 2010
29Filip Miroslav (CZE)2465Skold Kristian (SWE)23401-040 ≣E47Ch Europe (team) ...
158Flear Glenn C (ENG)2457Georgiev Kiril (MKD)26250-129 ≣E47Ch France (team) ...
208Foisor Mihaela-Ve...2140Gelip Ioana (ROM)18641-015 ≣E47It \03 May 2010
214Foisor Mihaela-Ve...2205Porcoleanu D18111-023 ≣E47Ch Romania (w)12 Feb 2011
63Fradkin Boris (RUS)2445Luther Thomas (GER)25180-133 ≣E47It
16Fuderer Andrija (...Krzisnik Zvone1-038 ≣E47Ch Yugoslavia
191Fuentes Jorge (URU)1913Alcarraz David0-139 ≣E47Memorial Jose Mar...22 Jan 2008
181Gagarin Vasilij (...2378Timofeev Vladimir...22941-031 ≣E47It (open)04 Feb 2007
218Gagarin Vasilij (...2417Kachar Vladimir (...22941-036 ≣E47Ch Moscow17 Mar 2012
215Gajewski Grzegorz...2607Pacher Milan (SVK)24031-029 ≣E47It (open)13 Apr 2011
66Gausel Einar (NOR)2460Petursson Margeir...25550-139 ≣E47Cup Arnold
84Gebhardt Ulrich (...2225Pinkus Lutz (GER)21700-134 ≣A40It (open)
165Gehlert Klaus (GER)2251Lechleitner Walter19771-032 ≣A40Bayern Regionalli...13 Feb 2005
97Gehlert Klaus (GER)2270Scheringer Dietrich20101-027 ≣A40Bayern Regionalli...
207Genocchio Daniele...2449Vocaturo Daniele ...25811-040 ≣E47Ch Italy (team)01 May 2010
221Gerzhoy Leonid (CAN)2459Panjwani Raja (CAN)23921-029 ≣E47Ch Quebec (invita...26 Jul 2012
106Giuriato Sergio (...1961Egartner Wolfgang...21510-140 ≣E47It (open)
185Golovlev Nikolay ...2320Kurochkin Valery ...21451-030 ≣E47It \
103Golubovic Zoran (...2289Abramovic Bosko (...24801-036 ≣E47It (open)
148Gomez Luesia Jesu...2206Estremera Panos S...23980-130 ≣E47It (open)
160Goncalves HALebredo Gerardo (...22850-134 ≣E47Cup Itau (open)
131Goormachtigh Joha...2280De Waal Mark (NED)23000-126 ≣E47It (cat.4)
57Greenfeld Alon (ISR)2550Shrentzel Israel ...23851-026 ≣E47It (cat.10)
184Guliev Sarhan (AZE)2487Al-Modiahki Moham...25721-038 ≣E47It (open)29 Apr 2007
86Gulko Boris F (USA)2635Hjartarson Johann...26051-024 ≣E47Ch World (qual) (...
136Gulko Boris F (USA)2643Adams Michael (ENG)27550-138 ≣E47It
87Gulko Boris F (USA)2635Lobron Eric (GER)25751-031 ≣E47Ch World (qual) (...
54Gulko Boris F (USA)2565Koepcke1-030 ≣E47It \
58Hallila EetuYlijoki Marko0-140 ≣E47?
59Hampel Janusz (POL)2061Fechner Jurgen1-025 ≣E47corr.
48Hansen Curt (DEN)2500Larsen Bent (DEN)25650-140 ≣E47?
99Heinimaki Leo (FIN)2072Hermlin Aarne (EST)23350-136 ≣E47It (open)
89Hess Ralf (GER)2319Song Paul (USA)20661-034 ≣E47It (open)
135Hilmer Frank (GER)2209Becker Marcel (GER)22451-021 ≣A40It (open)
69Hobuss Udo (GER)2393Rechmann Peter (GER)23161-035 ≣E47It (open)
79Hoegerl Felix1795Braeutigam Rudolf1-019 ≣E47It (open)
91Hoffmann Regis (FRA)2097Smagin Sergey (RUS)25400-140 ≣E47It (open)
35Hoi Carsten (DEN)2355Gallmeyer Peter (...22351-020 ≣E47Tournament
151Hoi Carsten (DEN)2406Sanchez Martin Va...21051-029 ≣A40It (open) \
61Hoi Carsten (DEN)2372Tolnai Tibor (HUN)24700-137 ≣E47It \
40Hoi Carsten (DEN)2390Brinck-Claussen B...23751-040 ≣E47Tournament
38Hoi Carsten (DEN)2415Pokojowczyk Jerzy...23901-029 ≣E47It (open)
37Hoi Carsten (DEN)2355Niklasson Christe...23850-129 ≣E47It
128Hole TerrenceRuggeri Laderchi ...0-122 ≣E47?
8Hugot ClaudeDonner Jan-Hein (...24300-140 ≣E47It
127Hurme Harri M (FIN)2258Veingold Aleksand...24850-137 ≣E47Tournament
190Ibragimov Ildar (...2598Friedel Joshua E ...24771-027 ≣E47It \28 Dec 2007
129Indbryn Tommy (NOR)2165Joergensen Finn A1-037 ≣E47Ch Norway (team)
202Inkiov Ventzislav...2455Peyre Camille (FRA)18501-040 ≣E47It (open)29 Oct 2008
198Janda Zdenek (CZE)2161Lechtynsky Jiri (...24410-135 ≣E47It (open)16 Jun 2008
171Jaworski Maciej (...2203Rychlik Hanna (POL)19821-035 ≣E47It (open) (b)22 Aug 2005
83Jelen Igor (SLO)2380Roskar Robert (SLO)22901-035 ≣E47It (open)
74Jelen Igor (SLO)2380Kurajica Bojan (CRO)25240-138E47It
210Jelen Igor (SLO)2399Kolaric Spela (SLO)20411-034 ≣E47Ch Slovenia (team...15 Oct 2010
77Jelen Iztok (SLO)2430Brglez Rado (SLO)23151-027 ≣E47It (open)
126Kapp Martin (GER)2215Pfeiffer Alfred (...21080-133 ≣E47It (open)
147Kaptsan Aron (CAN)2175Baragar Fletcher ...22720-135 ≣E47It (open) \
139Kenney Jason (CAN)2143Pescarus Radu (CAN)19801-034 ≣E47Ch Canada (juniors)