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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
1Kotov Alexander A...2500Lilienthal Andor ...23851-033 ≣E47
2Bolbochan Julio (...2440Garibaldi Oscar (...1-031 ≣E47Ch Argentina
3Euwe Max (NED)Steiner Hermann (...1-038 ≣E47It
4Bozic AlexanderSimonovic Borko1-034 ≣E47Ch Yugoslavia
5Marini LuisLuckis Marcos22700-137 ≣A17Ch Argentina
6Ader Walter (CHI)2270Atias Waldo1-022 ≣E47It
7Kottnauer Cenek (...2370Szabo Laszlo (HUN)19030-134 ≣E47It
8Hugot ClaudeDonner Jan-Hein (...24300-140 ≣E47It
9Ojanen Kaarle S (...2335Bolbochan Julio (...24400-117 ≣E47Olympiad
10Bondarevsky Igor ...Pogats Jozsef (HUN)22301-036 ≣E47It
11Weiner MilanWestbrock C0-117 ≣A40It (open)
12Moisieev Oleg L (...2385Bondarevsky Igor ...1-033 ≣E47Ch URS (1/2 final)
13Andric DragoslavKaraklajic Nikola...23030-130 ≣E47Ch Yugoslavia
14Andric DragoslavMajstorovic Ljubomir0-129 ≣E47Ch Yugoslavia
15Sumar Julio (PER)2120Marini Luis0-140 ≣E47Zt
16Fuderer Andrija (...Krzisnik Zvone1-038 ≣E47Ch Yugoslavia
17Donner Jan-Hein (...2430O'kelly De Galway...24600-135 ≣E47It
18Petrosian Tigran ...2580Troianescu Octav ...23301-032 ≣E47Memorial G.Maroczy
19Sliwa Bogdan (POL)2235Gadalinski Jan (POL)1-035 ≣E47Ch Poland14 Oct 1952
20Pelitov Dimitar (...2165Padevsky Nikola (...23550-136 ≣E47Ch Bulgaria28 Oct 1953
21Sanguinetti Raul ...2485Wexler Francisco0-140E47Ch Argentina
22Albert Horacio (ARG)2121Behrensen Jorge (...23250-140 ≣E47It
23BenitesForintos Gyozo V ...23170-128 ≣E47Ch World (team) (...
24Kupka Slavoj (CZE)2169Vesely Jaromir (CZE)19790-140 ≣E47Ch Czechoslovakia
25Carvajal JohnnyHumerez Estrada C...1-036 ≣E47Ch Bolivia (match)
26Minev Nikolay N (...2370Mosen (TUN)1-022 ≣E47Olympiad
27Birbrager Isaak (...Uusi Gunnar (EST)0-138 ≣E47Tournament
28Dzindzichashvili ...2550Zaitsev Igor A (RUS)24081-034 ≣E47?
29Filip Miroslav (CZE)2465Skold Kristian (SWE)23401-040 ≣E47Ch Europe (team) ...
30RumiancevKondratiev Pavel ...0-132 ≣E47Ch URS (team)
31Kotka ReinoTuominen Rauno1-027 ≣E47?
32Lev Arieh (ISR)2265Buch Avital0-140 ≣E47Ch Israel
33Boudy Julio (CUB)2395Filip Miroslav (CZE)24950-140 ≣E47?
34Reshevsky Samuel ...2490Piesina Gintautas...23900-135 ≣E47It \
35Hoi Carsten (DEN)2355Gallmeyer Peter (...22351-020 ≣E47Tournament
36Krockert E (GER)Drescher Wolfgang0-136 ≣E47corr.
37Hoi Carsten (DEN)2355Niklasson Christe...23850-129 ≣E47It
38Hoi Carsten (DEN)2415Pokojowczyk Jerzy...23901-029 ≣E47It (open)
39Watson Ian R (ENG)Chandler Murray G...25300-131 ≣E47Ch Great Britain
40Hoi Carsten (DEN)2390Brinck-Claussen B...23751-040 ≣E47Tournament
41Sutton Richard J ...2259Garbett Paul Anth...22900-131 ≣E47Ch New Zealand
42Miles Anthony J (...2565Hawksworth John C...23551-031 ≣E47Ch Great Britain
43Condie Mark L (SCO)2360Speelman Jonathan...25000-132 ≣E47Zt
44Ravikumar Vaidyan...2385Martin Andrew D (...24450-134 ≣E47It \
45Enklaar Bertus F ...2395Borm Franciscus W...23851-033 ≣E47It (open)
46Ermenkov Evgenij ...2520Kindermann Stefan...25190-133 ≣E47It (cat.9)
47Pein Malcolm (ENG)2382Morrison Graham (...21491-036 ≣E47It (young masters)
48Hansen Curt (DEN)2500Larsen Bent (DEN)25650-140 ≣E47?
49Pyrich George (SCO)2014Muir Andrew J (SCO)23110-131 ≣E47Ch Scotland
50KrnicnujNoseda JM0-125 ≣E47Cup Latin (corr.)
51Valiente Cristoba...2350Bammoune Abd'Enna...22801-038 ≣E47Olympiad
52Thorsteins Karl (...2469Petursson Margeir...25350-135 ≣E47Ch Iceland
53Schlehoefer Ralf ...2312Cladouras Panagio...23700-137 ≣E47Bundesliga 1987/88
54Gulko Boris F (USA)2565Koepcke1-030 ≣E47It \
55Cvitan Ognjen (CRO)2510Prandstetter Edua...22961-037 ≣A40It \
56Trincardi Tullio ...2235Fabbri Mario (ITA)21800-133 ≣E47?
57Greenfeld Alon (ISR)2550Shrentzel Israel ...23851-026 ≣E47It (cat.10)
58Hallila EetuYlijoki Marko0-140 ≣E47?
59Hampel Janusz (POL)2061Fechner Jurgen1-025 ≣E47corr.
60Zaiatz Elena (RUS)2230Vitolins Alvis (LAT)24150-134 ≣E47Ch URS (1/2 final)
61Hoi Carsten (DEN)2372Tolnai Tibor (HUN)24700-137 ≣E47It \
62Sadler Matthew (ENG)2625Wilder Michael (USA)25401-031 ≣E47It (cat.10)
63Fradkin Boris (RUS)2445Luther Thomas (GER)25180-133 ≣E47It
64Riemersma Liafber...2420Langeweg Kick (NED)23650-127 ≣E47It (c)
65Lehtosaari Kalevi...2043Ekmark Raimo1-034 ≣A15?
66Gausel Einar (NOR)2460Petursson Margeir...25550-139 ≣E47Cup Arnold
67Suba Mihai (ROM)2520Chandler Murray G...25601-039 ≣E47It (open) \
68Lein Anatoly (USA)2485Hjartarson Johann...25050-134 ≣E47Match 4 Teams
69Hobuss Udo (GER)2393Rechmann Peter (GER)23161-035 ≣E47It (open)
70Daloz Jean-Michel...2143Verat Laurent (FRA)23380-125 ≣E47Ch France (team)
71Sadler Matthew (ENG)2440Chandler Murray G...26051-040 ≣E47It (open) \
72Levitt Jonathan (...2420Coste Thierry (FRA)21761-039 ≣E47It (open)
73Sadler Matthew (ENG)2440Motwani Paul (SCO)24941-036 ≣A40It (open)
74Jelen Igor (SLO)2380Kurajica Bojan (CRO)25240-138E47It
75Dereviagin Vladis...2320Dokhoian Yury (RUS)25450-140 ≣E47It (open)
76Bagonyai Attila (...2343Horvath Jozsef M ...21040-139 ≣E47It (open)
77Jelen Iztok (SLO)2430Brglez Rado (SLO)23151-027 ≣E47It (open)
78Konings Leon (NED)2240Pliester Leon (NED)23450-124 ≣E47Ch Netherlands (q...
79Hoegerl Felix1795Braeutigam Rudolf1-019 ≣E47It (open)
80Seywald RalfSchwarzkopf Ralf17451-023 ≣E47It (open)
81Dumitrache Dragos...2454Barbulescu Dan (ROM)23900-125 ≣E47Ch Romania (team)
82Kjeldsen Jens (DEN)2375Sax Gyula (HUN)25150-137 ≣E47It \
83Jelen Igor (SLO)2380Roskar Robert (SLO)22901-035 ≣E47It (open)
84Gebhardt Ulrich (...2225Pinkus Lutz (GER)21700-134 ≣A40It (open)
85Thorfinnsson Brag...2427Simila V1-031E47Ch Scandinavia (s...
86Gulko Boris F (USA)2635Hjartarson Johann...26051-024 ≣E47Ch World (qual) (...
87Gulko Boris F (USA)2635Lobron Eric (GER)25751-031 ≣E47Ch World (qual) (...
88Neiman Emmanuel (...2335Giffard Nicolas (...23801-028 ≣E47Ch France (open)
89Hess Ralf (GER)2319Song Paul (USA)20661-034 ≣E47It (open)
90Sanchez Gavilan MPogorelov Ruslan ...24000-132 ≣E47It (open)
91Hoffmann Regis (FRA)2097Smagin Sergey (RUS)25400-140 ≣E47It (open)
92Levitt Jonathan (...2425Kveinys Aloyzas (...25101-030 ≣E47It
93Ludden Gert-Jan (...2262De Boer Reijer1-031 ≣E47Ch Netherlands (c...
94Wilson Jonathan (...2190Stanton William (...20951-037 ≣E47It (open)
95Dumitrache Dragos...2475Alvares1-030E47Olympiad
96Richter Maik (GER)2186Gross David (GER)22400-126 ≣E47Ch Germany (junio...
97Gehlert Klaus (GER)2270Scheringer Dietrich20101-027 ≣A40Bayern Regionalli...
98Knechtel Roland (...2220Von Werner Konrad1-028 ≣E47Bayern Regionalli...
99Heinimaki Leo (FIN)2072Hermlin Aarne (EST)23350-136 ≣E47It (open)
100Roobol Martin (NED)2325Langeweg Kick (NED)23751-026 ≣E47Ch Netherlands (t...