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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
199Swiech Przemyslaw...1448Lorek Milosz (POL)19281-022 ≣E47Tournament (juniors)15 Sep 2008
144Riboldi Mario Gar...1688Limp Eduardo (BRA)23840-138 ≣E47Ch Paulista
183Litwin Barbara (POL)1786Warakomska Anna (...21670-140 ≣E47It (open) \28 Apr 2007
79Hoegerl Felix1795Braeutigam Rudolf1-019 ≣E47It (open)
167Dunn Michael1797Harris Benjamin (...20061-040 ≣E47Cup Doeberl (b)27 Mar 2005
220Loginova Lubov1847Vershinin Mikhail...20340-140 ≣E47Memorial Sukharev...22 Jul 2012
193Palomar Felix (FRA)1877Barsov Alexei (UZB)25130-130 ≣D31It (open)25 Feb 2008
191Fuentes Jorge (URU)1913Alcarraz David0-139 ≣E47Memorial Jose Mar...22 Jan 2008
106Giuriato Sergio (...1961Egartner Wolfgang...21510-140 ≣E47It (open)
49Pyrich George (SCO)2014Muir Andrew J (SCO)23110-131 ≣E47Ch Scotland
192Vashchenko Jurij ...2016Komissarov Stanis...20001-024 ≣E47It (open) (b)07 Feb 2008
197Rodrigo Edson (BRA)2038Pinto Renato R Qu...1-034 ≣E47It (open)17 May 2008
182Dupre Paul Donald...2038Davies Peter (WLS)20010-127 ≣E47Ch England (team)...25 Mar 2007
65Lehtosaari Kalevi...2043Ekmark Raimo1-034 ≣A15?
121Souza Mauro G (BRA)2053Borges Leomar Bar...22551-032 ≣E47It (open)
122Souza Mauro G (BRA)2053Sunye Neto Jaime ...25000-132 ≣E47It (open)
169Assad Karine (FRA)2054Heinz Timothee (FRA)22530-137 ≣E47Ch France (team) ...02 Apr 2005
149Cetinkaya Vedat A...2058Apaydin Fethi (TUR)20540-133 ≣E47Ch Turkey
59Hampel Janusz (POL)2061Fechner Jurgen1-025 ≣E47corr.
99Heinimaki Leo (FIN)2072Hermlin Aarne (EST)23350-136 ≣E47It (open)
102Winning Graham (SCO)2080Shaw Kevin F1-027 ≣A40It (open) \
138Rodrigues Jose (POR)2085Costa Joao Guerra...20060-140 ≣E47It
137Risch Michel (LUX)2086Kantinti Shadrack...21330-127 ≣E47Olympiad
216Starcic Tadej (SLO)2091Pregarac Valter (...21050-140 ≣A40It (open)15 Aug 2011
168Ludwig Remi (FRA)2097Ollier Pablo (FRA)19701-034 ≣A40Ch France (juniors)
91Hoffmann Regis (FRA)2097Smagin Sergey (RUS)25400-140 ≣E47It (open)
180Kunitson N2104Kulaots Kaido (EST)25470-133 ≣E47Ch Estonia22 Jan 2007
15Sumar Julio (PER)2120Marini Luis0-140 ≣E47Zt
22Albert Horacio (ARG)2121Behrensen Jorge (...23250-140 ≣E47It
125Binks Michael (WLS)2140Cast Jason1-025 ≣E47Ch Wales
208Foisor Mihaela-Ve...2140Gelip Ioana (ROM)18641-015 ≣E47It \03 May 2010
70Daloz Jean-Michel...2143Verat Laurent (FRA)23380-125 ≣E47Ch France (team)
139Kenney Jason (CAN)2143Pescarus Radu (CAN)19801-034 ≣E47Ch Canada (juniors)
198Janda Zdenek (CZE)2161Lechtynsky Jiri (...24410-135 ≣E47It (open)16 Jun 2008
177Quach Charlie (FRA)2162Delabaca Romuald ...21721-027 ≣E47Ch France (access...21 Aug 2006
129Indbryn Tommy (NOR)2165Joergensen Finn A1-037 ≣E47Ch Norway (team)
134Ploehn Heiko2165Scheipl Ralf (GER)22680-124 ≣E47Bayern Regionalli...
20Pelitov Dimitar (...2165Padevsky Nikola (...23550-136 ≣E47Ch Bulgaria28 Oct 1953
24Kupka Slavoj (CZE)2169Vesely Jaromir (CZE)19790-140 ≣E47Ch Czechoslovakia
147Kaptsan Aron (CAN)2175Baragar Fletcher ...22720-135 ≣E47It (open) \
96Richter Maik (GER)2186Gross David (GER)22400-126 ≣E47Ch Germany (junio...
94Wilson Jonathan (...2190Stanton William (...20951-037 ≣E47It (open)
172Serna Lara Sergio...2191Krug Cortegoso Ma...21511-024 ≣E47It (open)05 Sep 2005
217Szabo Zsolt (HUN)2196Rudolf Anna (HUN)23591-034 ≣A40Ch Hungary (team)...25 Sep 2011
212Szabo Zsolt (HUN)2196Amstadt Aron (HUN)22621-029 ≣E47Ch Hungary (team)...20 Nov 2010
171Jaworski Maciej (...2203Rychlik Hanna (POL)19821-035 ≣E47It (open) (b)22 Aug 2005
214Foisor Mihaela-Ve...2205Porcoleanu D18111-023 ≣E47Ch Romania (w)12 Feb 2011
148Gomez Luesia Jesu...2206Estremera Panos S...23980-130 ≣E47It (open)
135Hilmer Frank (GER)2209Becker Marcel (GER)22451-021 ≣A40It (open)
105Schaefer Michael ...2210Dautov Rustem (GER)26150-139 ≣E47It (open)
126Kapp Martin (GER)2215Pfeiffer Alfred (...21080-133 ≣E47It (open)
98Knechtel Roland (...2220Von Werner Konrad1-028 ≣E47Bayern Regionalli...
200Misojcic Miroslav...2221Dimitrov Vladimir...24251-031 ≣E47Ch Serbia (team) ...25 Sep 2008
84Gebhardt Ulrich (...2225Pinkus Lutz (GER)21700-134 ≣A40It (open)
206Ollier Pablo (FRA)2226Krejci Jan (CZE)17190-121 ≣E47Ch Europe (junior...04 Sep 2009
60Zaiatz Elena (RUS)2230Vitolins Alvis (LAT)24150-134 ≣E47Ch URS (1/2 final)
19Sliwa Bogdan (POL)2235Gadalinski Jan (POL)1-035 ≣E47Ch Poland14 Oct 1952
157Bergen Peter (AUT)2235Kaster Martin (GER)21221-026 ≣E47It (open)
56Trincardi Tullio ...2235Fabbri Mario (ITA)21800-133 ≣E47?
109McMahon Daire (IRL)2240Tejas Bakre (IND)0-130 ≣E47It (cat.3)
78Konings Leon (NED)2240Pliester Leon (NED)23450-124 ≣E47Ch Netherlands (q...
186Petritaj Fotjon (...2244Goumas Georgios (...22400-122 ≣E47It (open) \19 Aug 2007
174Rendboe John (DEN)2245Michalczak Thomas...23860-131 ≣E47It (b)15 Oct 2005
165Gehlert Klaus (GER)2251Lechleitner Walter19771-032 ≣A40Bayern Regionalli...13 Feb 2005
170Limeres Cristobal...2254Hernando Rodrigo ...23610-130 ≣E47Ch Spain (team) (...13 Aug 2005
127Hurme Harri M (FIN)2258Veingold Aleksand...24850-137 ≣E47Tournament
41Sutton Richard J ...2259Garbett Paul Anth...22900-131 ≣E47Ch New Zealand
93Ludden Gert-Jan (...2262De Boer Reijer1-031 ≣E47Ch Netherlands (c...
32Lev Arieh (ISR)2265Buch Avital0-140 ≣E47Ch Israel
97Gehlert Klaus (GER)2270Scheringer Dietrich20101-027 ≣A40Bayern Regionalli...
6Ader Walter (CHI)2270Atias Waldo1-022 ≣E47It
175Zakharchenko Arno...2273Kuznetsov Gennady...24161-033 ≣E47Memorial M.Chigor...23 Oct 2005
146Roghani Arash (IRI)2276Ghorbani Mohsen (...23230-131 ≣E47Ch Iran
204Vybiral Zdenek (CZE)2279Toth Lili (HUN)21721-021 ≣E47It (cat.1)09 Feb 2009
131Goormachtigh Joha...2280De Waal Mark (NED)23000-126 ≣E47It (cat.4)
155Mohota Nisha (IND)2286Gordon Stephen J ...23401-040 ≣E47Ch Great Britain
103Golubovic Zoran (...2289Abramovic Bosko (...24801-036 ≣E47It (open)
119Mancini Mario (FRA)2290Chuchelov Vladimi...25400-132 ≣E47It (open)
140Bick John D (USA)2292Del Rio Angelis S...24670-131 ≣E47It (open)
163Martic Zlatko (CRO)2297Dizdar Goran (CRO)25351-026 ≣E47Cup Croatia (team)
162Lasanta Rica Cesa...2305Marin Tolosa Guil...19261-032E47It (open) (c)
110Mukhaev Alexander...2310Bezukladov O D (RUS)1-034 ≣E47Memorial A.Alekhi...
142Trotsenko Dmitriy...2310Efankov Egor (RUS)21190-132 ≣E47Ch Moscow Region
53Schlehoefer Ralf ...2312Cladouras Panagio...23700-137 ≣E47Bundesliga 1987/88
209Fernandez Francis...2313L'Ami Erwin (NED)26240-133 ≣E47Olympiad21 Sep 2010
89Hess Ralf (GER)2319Song Paul (USA)20661-034 ≣E47It (open)
143Schnepp Gunnar (AUT)2319Volke Karsten (GER)24670-132 ≣E47Bundesliga (2nd) ...
185Golovlev Nikolay ...2320Kurochkin Valery ...21451-030 ≣E47It \
75Dereviagin Vladis...2320Dokhoian Yury (RUS)25450-140 ≣E47It (open)
161De La Rocha Ramon...2320Roche Simon Migue...21781-024 ≣E47It (open) (c)
100Roobol Martin (NED)2325Langeweg Kick (NED)23751-026 ≣E47Ch Netherlands (t...
123Feldman Vladimir ...2330Wright Cameron1-024 ≣E47It (sheveningen)
173Netusil Miroslav ...2333Srba Milan (CZE)22131-039 ≣A40It (open) \19 Sep 2005
88Neiman Emmanuel (...2335Giffard Nicolas (...23801-028 ≣E47Ch France (open)
9Ojanen Kaarle S (...2335Bolbochan Julio (...24400-117 ≣E47Olympiad
112Akhsharumova Anna...2340Thorfinnsson Brag...21551-035 ≣E47It (open)
76Bagonyai Attila (...2343Horvath Jozsef M ...21040-139 ≣E47It (open)
152Salas Cristian (CHI)2343Ferrufino Boris (...22011-024 ≣E47It \
213Lutsko Igor (BLR)2345Lomako Pavel (BLR)23920-138 ≣E47Ch Belarus24 Jan 2011
51Valiente Cristoba...2350Bammoune Abd'Enna...22801-038 ≣E47Olympiad