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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
206Ollier Pablo (FRA)2226Krejci Jan (CZE)17190-121 ≣E47Ch Europe (junior...04 Sep 2009
80Seywald RalfSchwarzkopf Ralf17451-023 ≣E47It (open)
214Foisor Mihaela-Ve...2205Porcoleanu D18111-023 ≣E47Ch Romania (w)12 Feb 2011
202Inkiov Ventzislav...2455Peyre Camille (FRA)18501-040 ≣E47It (open)29 Oct 2008
208Foisor Mihaela-Ve...2140Gelip Ioana (ROM)18641-015 ≣E47It \03 May 2010
7Kottnauer Cenek (...2370Szabo Laszlo (HUN)19030-134 ≣E47It
162Lasanta Rica Cesa...2305Marin Tolosa Guil...19261-032E47It (open) (c)
199Swiech Przemyslaw...1448Lorek Milosz (POL)19281-022 ≣E47Tournament (juniors)15 Sep 2008
189Zverev Mikhail (RUS)Deev Viktor (RUS)19420-131 ≣E47Ch Chess Club19 Dec 2007
168Ludwig Remi (FRA)2097Ollier Pablo (FRA)19701-034 ≣A40Ch France (juniors)
165Gehlert Klaus (GER)2251Lechleitner Walter19771-032 ≣A40Bayern Regionalli...13 Feb 2005
24Kupka Slavoj (CZE)2169Vesely Jaromir (CZE)19790-140 ≣E47Ch Czechoslovakia
139Kenney Jason (CAN)2143Pescarus Radu (CAN)19801-034 ≣E47Ch Canada (juniors)
171Jaworski Maciej (...2203Rychlik Hanna (POL)19821-035 ≣E47It (open) (b)22 Aug 2005
192Vashchenko Jurij ...2016Komissarov Stanis...20001-024 ≣E47It (open) (b)07 Feb 2008
182Dupre Paul Donald...2038Davies Peter (WLS)20010-127 ≣E47Ch England (team)...25 Mar 2007
167Dunn Michael1797Harris Benjamin (...20061-040 ≣E47Cup Doeberl (b)27 Mar 2005
138Rodrigues Jose (POR)2085Costa Joao Guerra...20060-140 ≣E47It
97Gehlert Klaus (GER)2270Scheringer Dietrich20101-027 ≣A40Bayern Regionalli...
220Loginova Lubov1847Vershinin Mikhail...20340-140 ≣E47Memorial Sukharev...22 Jul 2012
210Jelen Igor (SLO)2399Kolaric Spela (SLO)20411-034 ≣E47Ch Slovenia (team...15 Oct 2010
149Cetinkaya Vedat A...2058Apaydin Fethi (TUR)20540-133 ≣E47Ch Turkey
89Hess Ralf (GER)2319Song Paul (USA)20661-034 ≣E47It (open)
94Wilson Jonathan (...2190Stanton William (...20951-037 ≣E47It (open)
76Bagonyai Attila (...2343Horvath Jozsef M ...21040-139 ≣E47It (open)
216Starcic Tadej (SLO)2091Pregarac Valter (...21050-140 ≣A40It (open)15 Aug 2011
151Hoi Carsten (DEN)2406Sanchez Martin Va...21051-029 ≣A40It (open) \
126Kapp Martin (GER)2215Pfeiffer Alfred (...21080-133 ≣E47It (open)
196Pliester Leon (NED)2383Hendriks Richard ...21161-031 ≣E47It (open)09 May 2008
142Trotsenko Dmitriy...2310Efankov Egor (RUS)21190-132 ≣E47Ch Moscow Region
157Bergen Peter (AUT)2235Kaster Martin (GER)21221-026 ≣E47It (open)
137Risch Michel (LUX)2086Kantinti Shadrack...21330-127 ≣E47Olympiad
185Golovlev Nikolay ...2320Kurochkin Valery ...21451-030 ≣E47It \
47Pein Malcolm (ENG)2382Morrison Graham (...21491-036 ≣E47It (young masters)
106Giuriato Sergio (...1961Egartner Wolfgang...21510-140 ≣E47It (open)
172Serna Lara Sergio...2191Krug Cortegoso Ma...21511-024 ≣E47It (open)05 Sep 2005
112Akhsharumova Anna...2340Thorfinnsson Brag...21551-035 ≣E47It (open)
183Litwin Barbara (POL)1786Warakomska Anna (...21670-140 ≣E47It (open) \28 Apr 2007
84Gebhardt Ulrich (...2225Pinkus Lutz (GER)21700-134 ≣A40It (open)
204Vybiral Zdenek (CZE)2279Toth Lili (HUN)21721-021 ≣E47It (cat.1)09 Feb 2009
177Quach Charlie (FRA)2162Delabaca Romuald ...21721-027 ≣E47Ch France (access...21 Aug 2006
72Levitt Jonathan (...2420Coste Thierry (FRA)21761-039 ≣E47It (open)
161De La Rocha Ramon...2320Roche Simon Migue...21781-024 ≣E47It (open) (c)
56Trincardi Tullio ...2235Fabbri Mario (ITA)21800-133 ≣E47?
124Aliev Tchingiz (AZE)Mutton Jonathan (...21890-117 ≣E47Ch Europe (junior...
118Lanc Alois (SVK)2390Huba Martin Jr (SVK)21900-140 ≣E47It (open)
152Salas Cristian (CHI)2343Ferrufino Boris (...22011-024 ≣E47It \
173Netusil Miroslav ...2333Srba Milan (CZE)22131-039 ≣A40It (open) \19 Sep 2005
101Santos AndreAkopyan Harutyun ...22250-134 ≣E47Ch World (juniors)
10Bondarevsky Igor ...Pogats Jozsef (HUN)22301-036 ≣E47It
35Hoi Carsten (DEN)2355Gallmeyer Peter (...22351-020 ≣E47Tournament
96Richter Maik (GER)2186Gross David (GER)22400-126 ≣E47Ch Germany (junio...
186Petritaj Fotjon (...2244Goumas Georgios (...22400-122 ≣E47It (open) \19 Aug 2007
135Hilmer Frank (GER)2209Becker Marcel (GER)22451-021 ≣A40It (open)
169Assad Karine (FRA)2054Heinz Timothee (FRA)22530-137 ≣E47Ch France (team) ...02 Apr 2005
121Souza Mauro G (BRA)2053Borges Leomar Bar...22551-032 ≣E47It (open)
212Szabo Zsolt (HUN)2196Amstadt Aron (HUN)22621-029 ≣E47Ch Hungary (team)...20 Nov 2010
134Ploehn Heiko2165Scheipl Ralf (GER)22680-124 ≣E47Bayern Regionalli...
219Li Shilong (CHN)2549Kashashvili Alexa...22700-129 ≣E47It (open)
5Marini LuisLuckis Marcos22700-137 ≣A17Ch Argentina
147Kaptsan Aron (CAN)2175Baragar Fletcher ...22720-135 ≣E47It (open) \
150Romanov Oleg (BLR)2407Jegorovas Aleksan...22751-039 ≣E47It (open)
51Valiente Cristoba...2350Bammoune Abd'Enna...22801-038 ≣E47Olympiad
160Goncalves HALebredo Gerardo (...22850-134 ≣E47Cup Itau (open)
83Jelen Igor (SLO)2380Roskar Robert (SLO)22901-035 ≣E47It (open)
41Sutton Richard J ...2259Garbett Paul Anth...22900-131 ≣E47Ch New Zealand
218Gagarin Vasilij (...2417Kachar Vladimir (...22941-036 ≣E47Ch Moscow17 Mar 2012
181Gagarin Vasilij (...2378Timofeev Vladimir...22941-031 ≣E47It (open)04 Feb 2007
179Provotorov Ivan (...2358Benza Artyom (RUS)22950-139 ≣E47Ch Central FO (team)06 Dec 2006
55Cvitan Ognjen (CRO)2510Prandstetter Edua...22961-037 ≣A40It \
131Goormachtigh Joha...2280De Waal Mark (NED)23000-126 ≣E47It (cat.4)
13Andric DragoslavKaraklajic Nikola...23030-130 ≣E47Ch Yugoslavia
49Pyrich George (SCO)2014Muir Andrew J (SCO)23110-131 ≣E47Ch Scotland
77Jelen Iztok (SLO)2430Brglez Rado (SLO)23151-027 ≣E47It (open)
69Hobuss Udo (GER)2393Rechmann Peter (GER)23161-035 ≣E47It (open)
23BenitesForintos Gyozo V ...23170-128 ≣E47Ch World (team) (...
211Klimov Sergey (RUS)2506Khantuev Alexande...23220-129 ≣E47Memorial M.Chigor...29 Oct 2010
146Roghani Arash (IRI)2276Ghorbani Mohsen (...23230-131 ≣E47Ch Iran
22Albert Horacio (ARG)2121Behrensen Jorge (...23250-140 ≣E47It
18Petrosian Tigran ...2580Troianescu Octav ...23301-032 ≣E47Memorial G.Maroczy
99Heinimaki Leo (FIN)2072Hermlin Aarne (EST)23350-136 ≣E47It (open)
70Daloz Jean-Michel...2143Verat Laurent (FRA)23380-125 ≣E47Ch France (team)
155Mohota Nisha (IND)2286Gordon Stephen J ...23401-040 ≣E47Ch Great Britain
29Filip Miroslav (CZE)2465Skold Kristian (SWE)23401-040 ≣E47Ch Europe (team) ...
78Konings Leon (NED)2240Pliester Leon (NED)23450-124 ≣E47Ch Netherlands (q...
42Miles Anthony J (...2565Hawksworth John C...23551-031 ≣E47Ch Great Britain
20Pelitov Dimitar (...2165Padevsky Nikola (...23550-136 ≣E47Ch Bulgaria28 Oct 1953
132Elsness Frode (NOR)2395Johannessen Leif ...23561-038 ≣A40Ch Norway (team)
217Szabo Zsolt (HUN)2196Rudolf Anna (HUN)23591-034 ≣A40Ch Hungary (team)...25 Sep 2011
170Limeres Cristobal...2254Hernando Rodrigo ...23610-130 ≣E47Ch Spain (team) (...13 Aug 2005
156Sundararajan Kida...2476Greet Andrew (ENG)23621-037 ≣E47Ch Great Britain
64Riemersma Liafber...2420Langeweg Kick (NED)23650-127 ≣E47It (c)
153Sasikiran Krishna...2664Babu N Sudhakar (...23671-027 ≣E47Ch India
164Kovacevic Blazimi...2503Kutuzovic Branko ...23690-129 ≣E47It (open)16 Dec 2004
53Schlehoefer Ralf ...2312Cladouras Panagio...23700-137 ≣E47Bundesliga 1987/88
100Roobol Martin (NED)2325Langeweg Kick (NED)23751-026 ≣E47Ch Netherlands (t...
40Hoi Carsten (DEN)2390Brinck-Claussen B...23751-040 ≣E47Tournament
141Milov Vadim (SUI)2602Masserey Yvan (SUI)23761-038 ≣E47It (open)
88Neiman Emmanuel (...2335Giffard Nicolas (...23801-028 ≣E47Ch France (open)
144Riboldi Mario Gar...1688Limp Eduardo (BRA)23840-138 ≣E47Ch Paulista