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Nimzo-Indian, 4.e3, Main line with 7...Nc6 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 dxc4 9. Bxc4 Ba5

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
87Reshevsky Samuel ...2430Szabo Laszlo (HUN)19031-030 ≣E41It
257Hampel Johannes (...2192Macdonald-Ross St...20491-029 ≣E47Ch Europe (senior...23 Feb 2006
139Vasquez Julio E (...2265Gonda Gentaro (JPN)20781-025 ≣E41Olympiad
261Straka Josef Jr (...2370Neumann Joachim (...2118½-½15 ≣E47It (open)01 Jul 2012
238Becker Christoph ...2156Freise Friedhelm ...21380-138 ≣E21It (open)
93Emma Jaime (ARG)2395Anelli Antonio (ARG)21451-051 ≣A17It (open)
105Donner Jan-Hein (...2430Wade Robert G (ENG)21481-045 ≣E41Match \
61Donner Jan-Hein (...2430Wade Robert G (ENG)21481-028 ≣E41It
62Lehmann Heinz G (...2285Wade Robert G (ENG)21481-063 ≣E21It
63Ivkov Borislav (SRB)2416Wade Robert G (ENG)21481-059 ≣E21It
44Gheorghiu Florin ...2383Wade Robert G (ENG)21481-046 ≣E47?
171Greben KVan Der Raaf Erik...21561-033 ≣A40Ch Netherlands (j...
256Netusil Miroslav ...2333Oulovsky Pavel (CZE)21651-026 ≣E41It (open)03 Jul 2005
249Telea Stefan (ROM)2155Seder Nicolae (ROM)2166½-½72 ≣E21It (open)
23Kollberg Lothar (...2237Troeger Rainer (GER)21700-137 ≣A40It (b)02 Jan 1957
244Mueller Marcus (GER)2154Wenzel Johannes (...2175½-½30 ≣E47Oberliga 1999/00
115Bjerre Troels (DEN)2320Saren Ilkka J (FIN)21841-034 ≣E41Tournament (team)
114Miettinen ReinoKiviaho Allan (FIN)21851-032 ≣E41?
239Buerger Carsten (...2166Traudes Wolfgang ...22020-158 ≣E47It (open)
162Gligoric Svetozar...2595Milicevic Miodrag...22041-041 ≣E41?
136Cassidy Raymond2200Takahashi Takayos...22050-141 ≣A13Olympiad
228Santa Luis A (PUR)2184Schinis M (CYP)2205½-½30 ≣E41Olympiad
59Gligoric Svetozar...2447Ilievski Borce (MKD)22251-052 ≣E47It
112Ludgate Alan (IRL)2265Wright Daniel (ENG)2235½-½25 ≣E41Ch Great Britain
27Bolbochan Julio (...2440Bisguier Arthur B...2237½-½34 ≣A17Izt
13Pilnik Hermann (GER)Bisguier Arthur B...2237½-½16 ≣E47Izt
25Kluger Gyula (HUN)2250Bisguier Arthur B...2237½-½50 ≣E41Memorial G.Maroczy
12Ilivitzki Georgi ...2380Bisguier Arthur B...2237½-½31 ≣A17Izt
84De Fotis Gregory ...2390Votruba Pavel (CZE)22411-040 ≣E47Ch World (team) (...08 Aug 1969
146Helmers Knut J (NOR)2465Rorvall Goran (SWE)22420-127 ≣E41It (open) (juniors)28 Dec 1972
242Wolfsteiner Helmu...2315Schuster Karsten ...2246½-½25 ≣A17Bayern Regionalli...
241Muench Klaus-Norb...2122Schuster Karsten ...22461-044 ≣E47Bayern Regionalli...
187Dietze Wolfgang D...2250Liebert Heinz (GER)2247½-½32 ≣E47Ch DDR
177Niklasson Christe...2350Fridh Anton (SWE)22551-041 ≣E41Ch Sweden
133Panno Oscar (ARG)2570Vasquez Julio E (...2265½-½22 ≣E47Zt
134Quinones Oscar C ...2310Vasquez Julio E (...22651-028 ≣E47Zt
148Yepez Olavo (ECU)2305Gonzales Eliseo (...2265½-½45 ≣E41It
227Bokor Istvan (HUN)2226Nagy Ervin (HUN)2269½-½15 ≣E47Ch Hungary (team)...
260Zsinka Laszlo (HUN)2286Nagy Ervin (HUN)2269½-½40 ≣E47Ch Hungary (team)...29 Jan 2012
226Thorsteins Karl (...2469Olafsson Helgi (ISL)2270½-½44 ≣E47Ch Iceland
240Lapienis Donatas ...2340Niebling Ferdinan...22701-065 ≣E47Ch World (seniors)
73Portisch Lajos (HUN)2523Haag Ervin (HUN)22841-044 ≣E41?
45Farago Ivan (HUN)2488Haag Ervin (HUN)2284½-½17 ≣E41Ch Hungary
53Visier Segovia Fe...2233Kristinsson Jon (...2290½-½33 ≣E41Olympiad
41Donner Jan-Hein (...2430Lengyel Levente (...2293½-½19 ≣E41It \
195Lukacs Peter (HUN)2460Lengyel Levente (...2293½-½18 ≣E41It
229Fabris Alberto (ITA)2230Iotti Pierluigi (...22931-062 ≣E21It (open)
39Bogdanovic Rajko ...2308Damjanovic Mato (...2303½-½17 ≣E21Memorial M.Chigorin
17Udovcic Mijo (YUG)2460Karaklajic Nikola...2303½-½41 ≣E46Ch Yugoslavia
77Reshevsky Samuel ...2430Damjanovic Mato (...23031-046 ≣E41It
18Gligoric Svetozar...2447Karaklajic Nikola...23031-042 ≣E47It
16Gligoric Svetozar...2447Karaklajic Nikola...2303½-½28 ≣E47Ch Yugoslavia
14Stahlberg Gideon ...Karaklajic Nikola...23031-048 ≣E47It
20Gromek JozefKaraklajic Nikola...2303½-½40 ≣E47It
64Portisch Lajos (HUN)2523Karaklajic Nikola...23031-048 ≣E41It \
5Nikolac Juraj (CRO)2438Karaklajic Nikola...23031-043 ≣E47Ch Yugoslavia
4Germek MilanKaraklajic Nikola...2303½-½29 ≣E47Ch Yugoslavia
245Elsness Frode (NOR)2383Gabrielsen Stig (...23051-053 ≣E41Ch Norway
66Portisch Lajos (HUN)2523Langeweg Kick (NED)23091-024 ≣E41It \
99Sirkia Mauri O (FIN)2350Langeweg Kick (NED)23090-135 ≣E41Olympiad
78Reshevsky Samuel ...2430Burger Karl (USA)23101-026 ≣E47Ch USA
101Gheorghiu Florin ...2383Nicevski Risto (MKD)23101-042 ≣E41It
205Brinck-Claussen B...2375Fries-Nielsen Nie...23170-142 ≣E47Tournament
37Haygarth Michael ...2375Golombek Harry (ENG)2320½-½13 ≣E41Ch Great Britain
81Luckis Marcos2270Garcia Raimundo (...23270-159 ≣E47Ch Argentina (qual)
11Furman Semen (RUS)2550Troianescu Octav ...23301-040 ≣E41It
213Garcia Palermo Ca...2515Armas Jorge (CUB)23301-028 ≣E47It
209Goldstein G (RUS)2126Zamruk Aleksandar...23350-126 ≣E41Ch Uzbekistan
22Thibaut Georges P...Skoeld Kristian (...2340½-½74 ≣E41Olympiad20 Sep 1956
52Toran Albero Roma...2445Bouwmeester Hans ...2343½-½28 ≣E47Olympiad
98Rodriguez Orestes...2403Pomar Salamanca A...2345½-½38 ≣E41Olympiad
220Juan Roldan Jose ...2304Aguera Naredo Jav...23451-041 ≣E47Ch Asturias (juni...
28Letelier Rene (CHI)2151Schweber Samuel (...23480-127 ≣E41?
24Cruz RaulSchweber Samuel (...23480-135 ≣E41Ch Argentina
69Panno Oscar (ARG)2438Bronstein Luis (ARG)23491-046 ≣E47Ch Argentina
178Niklasson Christe...2350Kaiszauri Konstan...23501-041 ≣E47Ch Sweden
188Donner Jan-Hein (...2475Amos Bruce M (CAN)23550-148 ≣E47Olympiad
252Bernadsky VitalyBortnik Alexandr ...23600-159 ≣E40Ch Ukraine (junio...04 Mar 2004
179Lipnowski Irwin (...2260Donoso Velasco Pe...23600-134 ≣A17It
253Zilberstein Dmitr...2379Stein Alan (USA)23620-130 ≣E47It (cat.3)27 Jul 2004
118Gligoric Svetozar...2600Wade Robert G (ENG)23651-024 ≣E47?
124Furman Semen (RUS)2550Wade Robert G (ENG)23651-067 ≣E41It
233Petrosian Karen (...2400Lengyel Levente (...2365½-½19 ≣E47It (cat.8)
116Gligoric Svetozar...2600Wade Robert G (ENG)23651-024 ≣E47It
111Ludgate Alan (IRL)2265Wade Robert G (ENG)23651-047 ≣E41Ch Great Britain
68Vogel Jaap (NED)2207Neckar Lubomir (CZE)2367½-½17 ≣E46It
67Bjerre Troels (DEN)2380Neckar Lubomir (CZE)23670-137 ≣E47It
198Lukacs Peter (HUN)2420Luczak Andrzej (POL)2370½-½19 ≣E41It
143Gasiorowski Rysza...2230Adamski Jan (POL)23700-132 ≣E47Ch Poland
218Sarwinski Mirosla...2313Luczak Andrzej (POL)23701-032 ≣E21Ch Poland (team)
202Danner Georg (AUT)2410Luczak Andrzej (POL)23701-059 ≣E41It
190Trapl Jindrich (CZE)2336Lechtynsky Jiri (...23750-142 ≣E47Ch Czechoslovakia
224Lukacs Peter (HUN)2404Lechtynsky Jiri (...23751-043 ≣E10Zt
138Takahashi Takayos...2205Wade Robert G (ENG)23751-050 ≣E21Olympiad
230Hrtanek Jiri (CZE)2117Lechtynsky Jiri (...23750-138 ≣E47It (open) \
140Vasquez Julio E (...2265Wade Robert G (ENG)2375½-½24 ≣A46Olympiad
137Ogaard Leif (NOR)2340Wade Robert G (ENG)23750-132 ≣E10Olympiad
135Bisguier Arthur B...2430Medina-Garcia Ant...2380½-½27 ≣A17Olympiad
113Farago Ivan (HUN)2410Polgar Istvan (HUN)2380½-½25 ≣E41Ch Hungary
102Gligoric Svetozar...2447Barczay Laszlo (HUN)2381½-½27 ≣E47It