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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
76Bagonyai Attila (...2343Horvath Jozsef M ...21040-139 ≣E47It (open)
79Hoegerl Felix1795Braeutigam Rudolf1-019 ≣E47It (open)
80Seywald RalfSchwarzkopf Ralf17451-023 ≣E47It (open)
81Dumitrache Dragos...2454Barbulescu Dan (ROM)23900-125 ≣E47Ch Romania (team)
83Jelen Igor (SLO)2380Roskar Robert (SLO)22901-035 ≣E47It (open)
84Gebhardt Ulrich (...2225Pinkus Lutz (GER)21700-134 ≣A40It (open)
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)
92Levitt Jonathan (...2425Kveinys Aloyzas (...25101-030 ≣E47It
161De La Rocha Ramon...2320Roche Simon Migue...21781-024 ≣E47It (open) (c)
95Dumitrache Dragos...2475Alvares1-030E47Olympiad
96Richter Maik (GER)2186Gross David (GER)22400-126 ≣E47Ch Germany (junio...
98Knechtel Roland (...2220Von Werner Konrad1-028 ≣E47Bayern Regionalli...
100Roobol Martin (NED)2325Langeweg Kick (NED)23751-026 ≣E47Ch Netherlands (t...
102Winning Graham (SCO)2080Shaw Kevin F1-027 ≣A40It (open) \
103Golubovic Zoran (...2289Abramovic Bosko (...24801-036 ≣E47It (open)
51Valiente Cristoba...2350Bammoune Abd'Enna...22801-038 ≣E47Olympiad
106Giuriato Sergio (...1961Egartner Wolfgang...21510-140 ≣E47It (open)
108Dezember ThomasWolf Hans-Dietrich1-022 ≣E47Ch Pfalz (open)
110Mukhaev Alexander...2310Bezukladov O D (RUS)1-034 ≣E47Memorial A.Alekhi...
111Milov Vadim (SUI)2565Gerber Richard (SUI)23951-038 ≣E47It (open)
112Akhsharumova Anna...2340Thorfinnsson Brag...21551-035 ≣E47It (open)
113Milov Vadim (SUI)2565Rozentalis Eduard...26100-140 ≣A40It (open)
114Zemerov Vladimir ...2400Eismont Oleg (RUS)24551-026 ≣E47It (open)
116Dauscher UlrichHeibei Juergen1-030 ≣E47It (open)
117Ronkko ErkkiEilu Tarmo1-036 ≣E47?
126Kapp Martin (GER)2215Pfeiffer Alfred (...21080-133 ≣E47It (open)
118Lanc Alois (SVK)2390Huba Martin Jr (SVK)21900-140 ≣E47It (open)
121Souza Mauro G (BRA)2053Borges Leomar Bar...22551-032 ≣E47It (open)
122Souza Mauro G (BRA)2053Sunye Neto Jaime ...25000-132 ≣E47It (open)
123Feldman Vladimir ...2330Wright Cameron1-024 ≣E47It (sheveningen)
124Aliev Tchingiz (AZE)Mutton Jonathan (...21890-117 ≣E47Ch Europe (junior...
125Binks Michael (WLS)2140Cast Jason1-025 ≣E47Ch Wales
128Hole TerrenceRuggeri Laderchi ...0-122 ≣E47?
129Indbryn Tommy (NOR)2165Joergensen Finn A1-037 ≣E47Ch Norway (team)
131Goormachtigh Joha...2280De Waal Mark (NED)23000-126 ≣E47It (cat.4)
132Elsness Frode (NOR)2395Johannessen Leif ...23561-038 ≣A40Ch Norway (team)
133De Souza Mauro (BRA)2359Cabezas L1-025 ≣E47Tournament
135Hilmer Frank (GER)2209Becker Marcel (GER)22451-021 ≣A40It (open)
136Gulko Boris F (USA)2643Adams Michael (ENG)27550-138 ≣E47It
139Kenney Jason (CAN)2143Pescarus Radu (CAN)19801-034 ≣E47Ch Canada (juniors)
140Bick John D (USA)2292Del Rio Angelis S...24670-131 ≣E47It (open)
141Milov Vadim (SUI)2602Masserey Yvan (SUI)23761-038 ≣E47It (open)
142Trotsenko Dmitriy...2310Efankov Egor (RUS)21190-132 ≣E47Ch Moscow Region
143Schnepp Gunnar (AUT)2319Volke Karsten (GER)24670-132 ≣E47Bundesliga (2nd) ...
145Andonov Bogomil (...2412Savic Miodrag R (...24640-134 ≣E47Memorial M.Sreibe...
146Roghani Arash (IRI)2276Ghorbani Mohsen (...23230-131 ≣E47Ch Iran
147Kaptsan Aron (CAN)2175Baragar Fletcher ...22720-135 ≣E47It (open) \
148Gomez Luesia Jesu...2206Estremera Panos S...23980-130 ≣E47It (open)
150Romanov Oleg (BLR)2407Jegorovas Aleksan...22751-039 ≣E47It (open)
151Hoi Carsten (DEN)2406Sanchez Martin Va...21051-029 ≣A40It (open) \
153Sasikiran Krishna...2664Babu N Sudhakar (...23671-027 ≣E47Ch India
154Khalifman Alexand...2702Bologan Viktor (MDA)26301-040 ≣E47It \
155Mohota Nisha (IND)2286Gordon Stephen J ...23401-040 ≣E47Ch Great Britain
156Sundararajan Kida...2476Greet Andrew (ENG)23621-037 ≣E47Ch Great Britain
157Bergen Peter (AUT)2235Kaster Martin (GER)21221-026 ≣E47It (open)
158Flear Glenn C (ENG)2457Georgiev Kiril (MKD)26250-129 ≣E47Ch France (team) ...
160Goncalves HALebredo Gerardo (...22850-134 ≣E47Cup Itau (open)
162Lasanta Rica Cesa...2305Marin Tolosa Guil...19261-032E47It (open) (c)
163Martic Zlatko (CRO)2297Dizdar Goran (CRO)25351-026 ≣E47Cup Croatia (team)
168Ludwig Remi (FRA)2097Ollier Pablo (FRA)19701-034 ≣A40Ch France (juniors)
185Golovlev Nikolay ...2320Kurochkin Valery ...21451-030 ≣E47It \
219Li Shilong (CHN)2549Kashashvili Alexa...22700-129 ≣E47It (open)
104Milov Vadim (SUI)2565Lautier Joel (FRA)26201-034 ≣E47It (cat.16)
89Hess Ralf (GER)2319Song Paul (USA)20661-034 ≣E47It (open)
17Donner Jan-Hein (...2430O'kelly De Galway...24600-135 ≣E47It
99Heinimaki Leo (FIN)2072Hermlin Aarne (EST)23350-136 ≣E47It (open)
47Pein Malcolm (ENG)2382Morrison Graham (...21491-036 ≣E47It (young masters)
2Bolbochan Julio (...2440Garibaldi Oscar (...1-031 ≣E47Ch Argentina
32Lev Arieh (ISR)2265Buch Avital0-140 ≣E47Ch Israel
85Thorfinnsson Brag...2427Simila V1-031E47Ch Scandinavia (s...
94Wilson Jonathan (...2190Stanton William (...20951-037 ≣E47It (open)
21Sanguinetti Raul ...2485Wexler Francisco0-140E47Ch Argentina
56Trincardi Tullio ...2235Fabbri Mario (ITA)21800-133 ≣E47?
97Gehlert Klaus (GER)2270Scheringer Dietrich20101-027 ≣A40Bayern Regionalli...
55Cvitan Ognjen (CRO)2510Prandstetter Edua...22961-037 ≣A40It \
6Ader Walter (CHI)2270Atias Waldo1-022 ≣E47It
107Milov Vadim (SUI)2565Kishnev Sergey (RUS)24851-040 ≣E47Oberliga NRW 1996/97
52Thorsteins Karl (...2469Petursson Margeir...25350-135 ≣E47Ch Iceland
26Minev Nikolay N (...2370Mosen (TUN)1-022 ≣E47Olympiad
77Jelen Iztok (SLO)2430Brglez Rado (SLO)23151-027 ≣E47It (open)
127Hurme Harri M (FIN)2258Veingold Aleksand...24850-137 ≣E47Tournament
105Schaefer Michael ...2210Dautov Rustem (GER)26150-139 ≣E47It (open)
115Wohl Aleksandar H...2400Renet Olivier (FRA)25050-137 ≣E47Olympiad
109McMahon Daire (IRL)2240Tejas Bakre (IND)0-130 ≣E47It (cat.3)
159Cebalo Miso (CRO)2520Pavlovic Milos (SRB)24810-137 ≣E47It (open)
119Mancini Mario (FRA)2290Chuchelov Vladimi...25400-132 ≣E47It (open)
130Khenkin Igor (GER)2600Timoscenko Gennad...24700-139 ≣E47It (open)
138Rodrigues Jose (POR)2085Costa Joao Guerra...20060-140 ≣E47It
120Kupreichik Viktor...2500Lau Ralf (GER)24950-125 ≣E47It (open)
137Risch Michel (LUX)2086Kantinti Shadrack...21330-127 ≣E47Olympiad
101Santos AndreAkopyan Harutyun ...22250-134 ≣E47Ch World (juniors)
144Riboldi Mario Gar...1688Limp Eduardo (BRA)23840-138 ≣E47Ch Paulista
39Watson Ian R (ENG)Chandler Murray G...25300-131 ≣E47Ch Great Britain
73Sadler Matthew (ENG)2440Motwani Paul (SCO)24941-036 ≣A40It (open)
60Zaiatz Elena (RUS)2230Vitolins Alvis (LAT)24150-134 ≣E47Ch URS (1/2 final)
72Levitt Jonathan (...2420Coste Thierry (FRA)21761-039 ≣E47It (open)
24Kupka Slavoj (CZE)2169Vesely Jaromir (CZE)19790-140 ≣E47Ch Czechoslovakia
1Kotov Alexander A...2500Lilienthal Andor ...23851-033 ≣E47