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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
145Andonov Bogomil (...2412Savic Miodrag R (...24640-134 ≣E47Memorial M.Sreibe...
206Ollier Pablo (FRA)2226Krejci Jan (CZE)17190-121 ≣E47Ch Europe (junior...04 Sep 2009
122Souza Mauro G (BRA)2053Sunye Neto Jaime ...25000-132 ≣E47It (open)
143Schnepp Gunnar (AUT)2319Volke Karsten (GER)24670-132 ≣E47Bundesliga (2nd) ...
178Sokolov Ivan (NED)2670Polgar Judit (HUN)27100-139 ≣E47It (cat.20)26 Oct 2006
198Janda Zdenek (CZE)2161Lechtynsky Jiri (...24410-135 ≣E47It (open)16 Jun 2008
81Dumitrache Dragos...2454Barbulescu Dan (ROM)23900-125 ≣E47Ch Romania (team)
118Lanc Alois (SVK)2390Huba Martin Jr (SVK)21900-140 ≣E47It (open)
128Hole TerrenceRuggeri Laderchi ...0-122 ≣E47?
142Trotsenko Dmitriy...2310Efankov Egor (RUS)21190-132 ≣E47Ch Moscow Region
158Flear Glenn C (ENG)2457Georgiev Kiril (MKD)26250-129 ≣E47Ch France (team) ...
174Rendboe John (DEN)2245Michalczak Thomas...23860-131 ≣E47It (b)15 Oct 2005
187Pevzner Lev (RUS)2395Lysyj Igor (RUS)25910-128 ≣E47Ch Russia (Higher...14 Sep 2007
189Zverev Mikhail (RUS)Deev Viktor (RUS)19420-131 ≣E47Ch Chess Club19 Dec 2007
74Jelen Igor (SLO)2380Kurajica Bojan (CRO)25240-138E47It
76Bagonyai Attila (...2343Horvath Jozsef M ...21040-139 ≣E47It (open)
106Giuriato Sergio (...1961Egartner Wolfgang...21510-140 ≣E47It (open)
126Kapp Martin (GER)2215Pfeiffer Alfred (...21080-133 ≣E47It (open)
127Hurme Harri M (FIN)2258Veingold Aleksand...24850-137 ≣E47Tournament
144Riboldi Mario Gar...1688Limp Eduardo (BRA)23840-138 ≣E47Ch Paulista
136Gulko Boris F (USA)2643Adams Michael (ENG)27550-138 ≣E47It
140Bick John D (USA)2292Del Rio Angelis S...24670-131 ≣E47It (open)
146Roghani Arash (IRI)2276Ghorbani Mohsen (...23230-131 ≣E47Ch Iran
148Gomez Luesia Jesu...2206Estremera Panos S...23980-130 ≣E47It (open)
159Cebalo Miso (CRO)2520Pavlovic Milos (SRB)24810-137 ≣E47It (open)
166Lutsko Igor (BLR)2465Azarov Sergei (BLR)25990-137 ≣E47Ch Belarus14 Mar 2005
179Provotorov Ivan (...2358Benza Artyom (RUS)22950-139 ≣E47Ch Central FO (team)06 Dec 2006
186Petritaj Fotjon (...2244Goumas Georgios (...22400-122 ≣E47It (open) \19 Aug 2007
201Peng Zhaoqin (NED)2455Kosteniuk Alexand...25250-139 ≣E47World Mindsports ...05 Oct 2008
82Kjeldsen Jens (DEN)2375Sax Gyula (HUN)25150-137 ≣E47It \
169Assad Karine (FRA)2054Heinz Timothee (FRA)22530-137 ≣E47Ch France (team) ...02 Apr 2005
70Daloz Jean-Michel...2143Verat Laurent (FRA)23380-125 ≣E47Ch France (team)
13Andric DragoslavKaraklajic Nikola...23030-130 ≣E47Ch Yugoslavia
130Khenkin Igor (GER)2600Timoscenko Gennad...24700-139 ≣E47It (open)
96Richter Maik (GER)2186Gross David (GER)22400-126 ≣E47Ch Germany (junio...
105Schaefer Michael ...2210Dautov Rustem (GER)26150-139 ≣E47It (open)
109McMahon Daire (IRL)2240Tejas Bakre (IND)0-130 ≣E47It (cat.3)
115Wohl Aleksandar H...2400Renet Olivier (FRA)25050-137 ≣E47Olympiad
180Kunitson N2104Kulaots Kaido (EST)25470-133 ≣E47Ch Estonia22 Jan 2007
124Aliev Tchingiz (AZE)Mutton Jonathan (...21890-117 ≣E47Ch Europe (junior...
15Sumar Julio (PER)2120Marini Luis0-140 ≣E47Zt
43Condie Mark L (SCO)2360Speelman Jonathan...25000-132 ≣E47Zt
149Cetinkaya Vedat A...2058Apaydin Fethi (TUR)20540-133 ≣E47Ch Turkey
131Goormachtigh Joha...2280De Waal Mark (NED)23000-126 ≣E47It (cat.4)
39Watson Ian R (ENG)Chandler Murray G...25300-131 ≣E47Ch Great Britain
90Sanchez Gavilan MPogorelov Ruslan ...24000-132 ≣E47It (open)
137Risch Michel (LUX)2086Kantinti Shadrack...21330-127 ≣E47Olympiad
119Mancini Mario (FRA)2290Chuchelov Vladimi...25400-132 ≣E47It (open)
147Kaptsan Aron (CAN)2175Baragar Fletcher ...22720-135 ≣E47It (open) \
24Kupka Slavoj (CZE)2169Vesely Jaromir (CZE)19790-140 ≣E47Ch Czechoslovakia
52Thorsteins Karl (...2469Petursson Margeir...25350-135 ≣E47Ch Iceland
183Litwin Barbara (POL)1786Warakomska Anna (...21670-140 ≣E47It (open) \28 Apr 2007
160Goncalves HALebredo Gerardo (...22850-134 ≣E47Cup Itau (open)
164Kovacevic Blazimi...2503Kutuzovic Branko ...23690-129 ≣E47It (open)16 Dec 2004
78Konings Leon (NED)2240Pliester Leon (NED)23450-124 ≣E47Ch Netherlands (q...
7Kottnauer Cenek (...2370Szabo Laszlo (HUN)19030-134 ≣E47It
101Santos AndreAkopyan Harutyun ...22250-134 ≣E47Ch World (juniors)
182Dupre Paul Donald...2038Davies Peter (WLS)20010-127 ≣E47Ch England (team)...25 Mar 2007
14Andric DragoslavMajstorovic Ljubomir0-129 ≣E47Ch Yugoslavia
34Reshevsky Samuel ...2490Piesina Gintautas...23900-135 ≣E47It \
8Hugot ClaudeDonner Jan-Hein (...24300-140 ≣E47It
9Ojanen Kaarle S (...2335Bolbochan Julio (...24400-117 ≣E47Olympiad
220Loginova Lubov1847Vershinin Mikhail...20340-140 ≣E47Memorial Sukharev...22 Jul 2012
17Donner Jan-Hein (...2430O'kelly De Galway...24600-135 ≣E47It
58Hallila EetuYlijoki Marko0-140 ≣E47?
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) (...
213Lutsko Igor (BLR)2345Lomako Pavel (BLR)23920-138 ≣E47Ch Belarus24 Jan 2011
209Fernandez Francis...2313L'Ami Erwin (NED)26240-133 ≣E47Olympiad21 Sep 2010
27Birbrager Isaak (...Uusi Gunnar (EST)0-138 ≣E47Tournament
138Rodrigues Jose (POR)2085Costa Joao Guerra...20060-140 ≣E47It
30RumiancevKondratiev Pavel ...0-132 ≣E47Ch URS (team)
191Fuentes Jorge (URU)1913Alcarraz David0-139 ≣E47Memorial Jose Mar...22 Jan 2008
32Lev Arieh (ISR)2265Buch Avital0-140 ≣E47Ch Israel
33Boudy Julio (CUB)2395Filip Miroslav (CZE)24950-140 ≣E47?
75Dereviagin Vladis...2320Dokhoian Yury (RUS)25450-140 ≣E47It (open)
36Krockert E (GER)Drescher Wolfgang0-136 ≣E47corr.
37Hoi Carsten (DEN)2355Niklasson Christe...23850-129 ≣E47It
170Limeres Cristobal...2254Hernando Rodrigo ...23610-130 ≣E47Ch Spain (team) (...13 Aug 2005
120Kupreichik Viktor...2500Lau Ralf (GER)24950-125 ≣E47It (open)
41Sutton Richard J ...2259Garbett Paul Anth...22900-131 ≣E47Ch New Zealand
44Ravikumar Vaidyan...2385Martin Andrew D (...24450-134 ≣E47It \
46Ermenkov Evgenij ...2520Kindermann Stefan...25190-133 ≣E47It (cat.9)
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.)
53Schlehoefer Ralf ...2312Cladouras Panagio...23700-137 ≣E47Bundesliga 1987/88
60Zaiatz Elena (RUS)2230Vitolins Alvis (LAT)24150-134 ≣E47Ch URS (1/2 final)
56Trincardi Tullio ...2235Fabbri Mario (ITA)21800-133 ≣E47?
91Hoffmann Regis (FRA)2097Smagin Sergey (RUS)25400-140 ≣E47It (open)
61Hoi Carsten (DEN)2372Tolnai Tibor (HUN)24700-137 ≣E47It \
63Fradkin Boris (RUS)2445Luther Thomas (GER)25180-133 ≣E47It
64Riemersma Liafber...2420Langeweg Kick (NED)23650-127 ≣E47It (c)
66Gausel Einar (NOR)2460Petursson Margeir...25550-139 ≣E47Cup Arnold
134Ploehn Heiko2165Scheipl Ralf (GER)22680-124 ≣E47Bayern Regionalli...
68Lein Anatoly (USA)2485Hjartarson Johann...25050-134 ≣E47Match 4 Teams
99Heinimaki Leo (FIN)2072Hermlin Aarne (EST)23350-136 ≣E47It (open)
211Klimov Sergey (RUS)2506Khantuev Alexande...23220-129 ≣E47Memorial M.Chigor...29 Oct 2010