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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
234Jurka Miroslav (CZE)2335Lechtynsky Jiri (...2435½-½21 ≣A05It (open)
250Jussupow Artur (GER)2583Lobron Eric (GER)25091-028 ≣E47Cup Rilton
191Juumajarvi EeroLaine Karri1-048 ≣E41?
237Kargl Kurt (AUT)2300Lechtynsky Jiri (...24350-144 ≣E47It
259Kashlinskaya Alin...2358Ter Sahakyan Samv...25160-177 ≣E47Memorial V.Somov \09 May 2010
214Ketzscher Roland ...2085Zerbe Klaus1-040 ≣E47Europe Tournament...
211Ketzscher Roland ...2085Zerbe Klaus1-031 ≣E47Europe Tournament...
25Kluger Gyula (HUN)2250Bisguier Arthur B...2237½-½50 ≣E41Memorial G.Maroczy
175Knaak Rainer (GER)2515Gruenberg Hans-Ul...24021-048 ≣E47Ch DDR
180Knaak Rainer (GER)2515Kostro Jerzy (POL)23850-149 ≣E47Match \
201Knaak Rainer (GER)2495Lechtynsky Jiri (...2455½-½30 ≣E47It (cat.8)
23Kollberg Lothar (...2237Troeger Rainer (GER)21700-137 ≣A40It (b)02 Jan 1957
29Kolvig Bent (DEN)2244Larsen Bent (DEN)2415½-½41 ≣E41Ch Denmark
80Korchnoi Viktor (...2556Najdorf Miguel (POL)2445½-½48 ≣E41It
156Korchnoi Viktor (...2650Polugaevsky Lev A...2625½-½17 ≣E47Ch URS
185Koskela TaistoKaakinen Erkki0-144 ≣E46?
149Kropsu RaimoSalonen Simo½-½25 ≣E47?
21KrznaricSobel Robert1-031 ≣E40It (open)
247Kuzubov Yuriy (UKR)2283Miasoedov Gleb½-½71 ≣E47Ch Ukraine (junio...
2Landau Salo (POL)Alexander Conel H...½-½40 ≣E47Match \06 Jun 1938
1Landau Salo (POL)Steiner Endre (HUN)0-125 ≣E47
240Lapienis Donatas ...2340Niebling Ferdinan...22701-065 ≣E47Ch World (seniors)
31Lehmann Heinz G (...2285Ivkov Borislav (SRB)24160-146 ≣A40Memorial J.Capabl...
62Lehmann Heinz G (...2285Wade Robert G (ENG)21481-063 ≣E21It
65LenstraLangeweg0-126 ≣E41It \
183Leoncini Mario (ITA)2141Mandolfo Giuseppe1-032 ≣E47?
28Letelier Rene (CHI)2151Schweber Samuel (...23480-127 ≣E41?
129Letic Stevan (SRB)2104Sundin A½-½52 ≣E47Ch World (corr.)
128Letic Stevan (SRB)2104Necesany Zdenek (...1-028 ≣E46Ch World (corr.)
163Letic Stevan (SRB)2104Brilla Banfalvi S...0-158 ≣E46corr.
192Lindroos RaimoFroberg Aarne0-124 ≣E47?
179Lipnowski Irwin (...2260Donoso Velasco Pe...23600-134 ≣A17It
194Lombard Andre (SUI)2400Pomar Salamanca A...2420½-½25 ≣E47Olympiad
81Luckis Marcos2270Garcia Raimundo (...23270-159 ≣E47Ch Argentina (qual)
111Ludgate Alan (IRL)2265Wade Robert G (ENG)23651-047 ≣E41Ch Great Britain
112Ludgate Alan (IRL)2265Wright Daniel (ENG)2235½-½25 ≣E41Ch Great Britain
254Lugovoi Aleksei (...2550Palo Davor (DEN)2526½-½16 ≣E47It (cat.10)28 Sep 2004
195Lukacs Peter (HUN)2460Lengyel Levente (...2293½-½18 ≣E41It
198Lukacs Peter (HUN)2420Luczak Andrzej (POL)2370½-½19 ≣E41It
224Lukacs Peter (HUN)2404Lechtynsky Jiri (...23751-043 ≣E10Zt
196Luodonpaa Martti ...1900Nissi Jussi1-022 ≣E47?
145Mariotti Sergio (...2470Tatai Stefano (ITA)2460½-½21 ≣E41Match
222Martinez Acosta PedrClarizza Jorge En...0-156 ≣E41corr.
165Matera Salvatore ...2425Damjanovic Mato (...24600-140 ≣E41It
114Miettinen ReinoKiviaho Allan (FIN)21851-032 ≣E41?
197Mihalcisin Adrian...2480Kochyev Alexander...25450-140 ≣E47Ch URS (1 liga)
244Mueller Marcus (GER)2154Wenzel Johannes (...2175½-½30 ≣E47Oberliga 1999/00
241Muench Klaus-Norb...2122Schuster Karsten ...22461-044 ≣E47Bayern Regionalli...
184Mujunen PerttiHaara Pentti0-144 ≣E47?
225Muttoni Guillermo...Clarizza Jorge En...0-127 ≣E46corr.
6Najdorf Miguel (POL)2445Reshevsky Samuel ...2430½-½37 ≣E46Match
7Najdorf Miguel (POL)2445Reshevsky Samuel ...2430½-½46 ≣E47Match
8Najdorf Miguel (POL)2445Reshevsky Samuel ...2430½-½26 ≣E41Match
256Netusil Miroslav ...2333Oulovsky Pavel (CZE)21651-026 ≣E41It (open)03 Jul 2005
255Nguyen Chi-Minh (...2371Renet Olivier (FRA)24970-144 ≣E46Ch France (team) ...04 May 2005
177Niklasson Christe...2350Fridh Anton (SWE)22551-041 ≣E41Ch Sweden
178Niklasson Christe...2350Kaiszauri Konstan...23501-041 ≣E47Ch Sweden
5Nikolac Juraj (CRO)2438Karaklajic Nikola...23031-043 ≣E47Ch Yugoslavia
137Ogaard Leif (NOR)2340Wade Robert G (ENG)23750-132 ≣E10Olympiad
48Ojanen Kaarle S (...2335Johansson Martin ...24301-036 ≣E41Olympiad
47O'Riordan KennethNejjar Abderrahman½-½24 ≣E47Olympiad
133Panno Oscar (ARG)2570Vasquez Julio E (...2265½-½22 ≣E47Zt
71Panno Oscar (ARG)2438Parma Bruno (SLO)2480½-½17 ≣E41Memorial J.Capabl...
69Panno Oscar (ARG)2438Bronstein Luis (ARG)23491-046 ≣E47Ch Argentina
233Petrosian Karen (...2400Lengyel Levente (...2365½-½19 ≣E47It (cat.8)
13Pilnik Hermann (GER)Bisguier Arthur B...2237½-½16 ≣E47Izt
159Podgaets Mikhail ...2465Osnos Viatcheslav...25101-040 ≣E47Ch URS (1 liga)
131Podgaets Mikhail ...2485Yuferov Sergey N ...24121-039 ≣E47Memorial A.Sokolsky
132Podgaets Mikhail ...2485Anikaev Yuri N (RUS)24751-049 ≣E41Ch URS (young mas...
166Polugaevsky Lev A...2630Olafsson Fridrik ...2550½-½23 ≣E41It
170Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½41 ≣E47Ch World (match) ...
169Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½44 ≣E47Ch World (match) ...
167Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½32 ≣E47Ch World (match) ...
168Polugaevsky Lev A...2630Karpov Anatoly (RUS)2700½-½21 ≣E47Ch World (match) ...
72Pomar Salamanca A...2345Parma Bruno (SLO)24800-162 ≣E41Memorial J.Capabl...
79Pomar Salamanca A...2345O'kelly De Galway...2460½-½47 ≣E41It
207Portisch Ferenc (...2435Lechtynsky Jiri (...24751-024 ≣E47Ch Czechoslovakia...
212Portisch Ferenc (...2445Lechtynsky Jiri (...24701-035 ≣E47It (cat.7)
30Portisch Ferenc (...2342Dely Peter (HUN)2391½-½23 ≣E47Ch Hungary
91Portisch Ferenc (...2342Lengyel½-½20 ≣E41It
96Portisch Lajos (HUN)2523Polugaevsky Lev A...25850-144 ≣E47Izt
82Portisch Lajos (HUN)2523Benko Pal C (USA)2408½-½35 ≣E47It
66Portisch Lajos (HUN)2523Langeweg Kick (NED)23091-024 ≣E41It \
57Portisch Lajos (HUN)2523Larsen Bent (DEN)24151-057 ≣E47Ch World (match) ...
107Portisch Lajos (HUN)2630Browne Walter S (...25001-039 ≣E41It \
108Portisch Lajos (HUN)2630Smyslov Vassily (...2620½-½49 ≣E47It \
56Portisch Lajos (HUN)2523Larsen Bent (DEN)2415½-½41 ≣E47Ch World (match) ...
130Portisch Lajos (HUN)2640Pomar Salamanca A...2460½-½32 ≣A17It (cat.8)
55Portisch Lajos (HUN)2523Larsen Bent (DEN)2415½-½41 ≣E47Ch World (match) ...
155Portisch Lajos (HUN)2650Furman Semen (RUS)2540½-½44 ≣E47It
73Portisch Lajos (HUN)2523Haag Ervin (HUN)22841-044 ≣E41?
74Portisch Lajos (HUN)2523Polugaevsky Lev A...2585½-½31 ≣E41?
64Portisch Lajos (HUN)2523Karaklajic Nikola...23031-048 ≣E41It \
83Portisch Lajos (HUN)2523Olafsson Fridrik ...24340-141 ≣E41It
258Potkin Vladimir (...2619Corrales Fidel (CUB)26021-054 ≣E10Memorial J.Capabl...10 Jun 2009
134Quinones Oscar C ...2310Vasquez Julio E (...22651-028 ≣E47Zt
10Rabar Braslav (YUG)Ivkov Borislav (SRB)2416½-½21 ≣E41It
49Reshevsky Samuel ...2430Larsen Bent (DEN)24151-042 ≣E47Olympiad
122Reshevsky Samuel ...2550Parma Bruno (SLO)2530½-½42 ≣E41It
78Reshevsky Samuel ...2430Burger Karl (USA)23101-026 ≣E47Ch USA