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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
65LenstraLangeweg0-126 ≣E41It \
99Sirkia Mauri O (FIN)2350Langeweg Kick (NED)23090-135 ≣E41Olympiad
161Balashov Yuri S (...2580Langeweg Kick (NED)24301-041 ≣A17It (cat.11)
66Portisch Lajos (HUN)2523Langeweg Kick (NED)23091-024 ≣E41It \
158Van Scheltinga Th...2330Langeweg Kick (NED)2430½-½27 ≣E10Ch Netherlands (t...
126Gligoric Svetozar...2600Langeweg Kick (NED)2425½-½22 ≣E47It (a)
142Timman Jan H (NED)2480Langeweg Kick (NED)2425½-½47 ≣E41It (a)
55Portisch Lajos (HUN)2523Larsen Bent (DEN)2415½-½41 ≣E47Ch World (match) ...
36Taimanov Mark E (...2386Larsen Bent (DEN)24150-142 ≣E47Memorial J.Capabl...
29Kolvig Bent (DEN)2244Larsen Bent (DEN)2415½-½41 ≣E41Ch Denmark
33Gligoric Svetozar...2447Larsen Bent (DEN)24151-047 ≣E41It
56Portisch Lajos (HUN)2523Larsen Bent (DEN)2415½-½41 ≣E47Ch World (match) ...
40Gligoric Svetozar...2447Larsen Bent (DEN)2415½-½14 ≣E41Izt
49Reshevsky Samuel ...2430Larsen Bent (DEN)24151-042 ≣E47Olympiad
57Portisch Lajos (HUN)2523Larsen Bent (DEN)24151-057 ≣E47Ch World (match) ...
230Hrtanek Jiri (CZE)2117Lechtynsky Jiri (...23750-138 ≣E47It (open) \
236Frolik Martin (CZE)2265Lechtynsky Jiri (...2435½-½64 ≣E47Extra League 1995/96
174Farago Ivan (HUN)2475Lechtynsky Jiri (...23900-139 ≣E47?
212Portisch Ferenc (...2445Lechtynsky Jiri (...24701-035 ≣E47It (cat.7)
234Jurka Miroslav (CZE)2335Lechtynsky Jiri (...2435½-½21 ≣A05It (open)
235Romanov Oleg (BLR)2345Lechtynsky Jiri (...24350-131 ≣E47It (open)
190Trapl Jindrich (CZE)2336Lechtynsky Jiri (...23750-142 ≣E47Ch Czechoslovakia
237Kargl Kurt (AUT)2300Lechtynsky Jiri (...24350-144 ≣E47It
207Portisch Ferenc (...2435Lechtynsky Jiri (...24751-024 ≣E47Ch Czechoslovakia...
224Lukacs Peter (HUN)2404Lechtynsky Jiri (...23751-043 ≣E10Zt
216Danner Georg (AUT)2415Lechtynsky Jiri (...24500-135 ≣E47It \
200Sobek Jaroslav (CZE)2267Lechtynsky Jiri (...24500-156 ≣E21It
217Sonntag Hans-Hube...2385Lechtynsky Jiri (...24401-038 ≣E46It (open)
201Knaak Rainer (GER)2495Lechtynsky Jiri (...2455½-½30 ≣E47It (cat.8)
91Portisch Ferenc (...2342Lengyel½-½20 ≣E41It
233Petrosian Karen (...2400Lengyel Levente (...2365½-½19 ≣E47It (cat.8)
41Donner Jan-Hein (...2430Lengyel Levente (...2293½-½19 ≣E41It \
123Bobotsov Milko G ...2485Lengyel Levente (...2485½-½21 ≣A17It
195Lukacs Peter (HUN)2460Lengyel Levente (...2293½-½18 ≣E41It
199Danner Georg (AUT)2408Lengyel Levente (...2455½-½16 ≣E47It
187Dietze Wolfgang D...2250Liebert Heinz (GER)2247½-½32 ≣E47Ch DDR
250Jussupow Artur (GER)2583Lobron Eric (GER)25091-028 ≣E47Cup Rilton
198Lukacs Peter (HUN)2420Luczak Andrzej (POL)2370½-½19 ≣E41It
218Sarwinski Mirosla...2313Luczak Andrzej (POL)23701-032 ≣E21Ch Poland (team)
202Danner Georg (AUT)2410Luczak Andrzej (POL)23701-059 ≣E41It
257Hampel Johannes (...2192Macdonald-Ross St...20491-029 ≣E47Ch Europe (senior...23 Feb 2006
183Leoncini Mario (ITA)2141Mandolfo Giuseppe1-032 ≣E47?
109Donner Jan-Hein (...2500Matanovic Aleksan...2520½-½16 ≣E41Ch BRD
153Gligoric Svetozar...2595Matanovic Aleksan...2490½-½18 ≣E41Memorial M.Vidmar
97Taimanov Mark E (...2386Mecking Henrique ...25780-173 ≣E41Izt
135Bisguier Arthur B...2430Medina-Garcia Ant...2380½-½27 ≣A17Olympiad
247Kuzubov Yuriy (UKR)2283Miasoedov Gleb½-½71 ≣E47Ch Ukraine (junio...
162Gligoric Svetozar...2595Milicevic Miodrag...22041-041 ≣E41?
260Zsinka Laszlo (HUN)2286Nagy Ervin (HUN)2269½-½40 ≣E47Ch Hungary (team)...29 Jan 2012
227Bokor Istvan (HUN)2226Nagy Ervin (HUN)2269½-½15 ≣E47Ch Hungary (team)...
80Korchnoi Viktor (...2556Najdorf Miguel (POL)2445½-½48 ≣E41It
88Smyslov Vassily (...2494Najdorf Miguel (POL)2445½-½21 ≣A17It
128Letic Stevan (SRB)2104Necesany Zdenek (...1-028 ≣E46Ch World (corr.)
67Bjerre Troels (DEN)2380Neckar Lubomir (CZE)23670-137 ≣E47It
68Vogel Jaap (NED)2207Neckar Lubomir (CZE)2367½-½17 ≣E46It
50Robles JavierNejjar Abderrahman½-½33 ≣E47Olympiad
47O'Riordan KennethNejjar Abderrahman½-½24 ≣E47Olympiad
261Straka Josef Jr (...2370Neumann Joachim (...2118½-½15 ≣E47It (open)01 Jul 2012
101Gheorghiu Florin ...2383Nicevski Risto (MKD)23101-042 ≣E41It
240Lapienis Donatas ...2340Niebling Ferdinan...22701-065 ≣E47Ch World (seniors)
232Vergara Jose (FRA)2152Nielsen (FAI)0-128E41Olympiad
196Luodonpaa Martti ...1900Nissi Jussi1-022 ≣E47?
26Cruz RaulObregoso½-½65 ≣E47Ch Argentina
34Gligoric Svetozar...2447O'kelly De Galway...2460½-½19 ≣E41It
89Addison Wiliam G ...2490O'kelly De Galway...2460½-½20 ≣E41It
60Donner Jan-Hein (...2430O'kelly De Galway...2460½-½20 ≣E41It
79Pomar Salamanca A...2345O'kelly De Galway...2460½-½47 ≣E41It
83Portisch Lajos (HUN)2523Olafsson Fridrik ...24340-141 ≣E41It
92Unzicker Wolfgang...2433Olafsson Fridrik ...24341-036 ≣E41It
166Polugaevsky Lev A...2630Olafsson Fridrik ...2550½-½23 ≣E41It
226Thorsteins Karl (...2469Olafsson Helgi (ISL)2270½-½44 ≣E47Ch Iceland
159Podgaets Mikhail ...2465Osnos Viatcheslav...25101-040 ≣E47Ch URS (1 liga)
256Netusil Miroslav ...2333Oulovsky Pavel (CZE)21651-026 ≣E41It (open)03 Jul 2005
254Lugovoi Aleksei (...2550Palo Davor (DEN)2526½-½16 ≣E47It (cat.10)28 Sep 2004
173Visier Segovia Fe...2345Parma Bruno (SLO)2510½-½24 ≣E41Olympiad
90Addison Wiliam G ...2490Parma Bruno (SLO)24800-134 ≣E41It
120Byrne Robert E (USA)2510Parma Bruno (SLO)2530½-½47 ≣E41Memorial A.Alekhine
141Wade Robert G (ENG)2375Parma Bruno (SLO)2510½-½20 ≣E41It (cat.10)
122Reshevsky Samuel ...2550Parma Bruno (SLO)2530½-½42 ≣E41It
72Pomar Salamanca A...2345Parma Bruno (SLO)24800-162 ≣E41Memorial J.Capabl...
110Donner Jan-Hein (...2500Parma Bruno (SLO)2530½-½23 ≣E41Ch BRD
104Taimanov Mark E (...2386Parma Bruno (SLO)24801-023 ≣E41It
160Taimanov Mark E (...2585Parma Bruno (SLO)2500½-½27 ≣E41Match \
70Donner Jan-Hein (...2430Parma Bruno (SLO)2480½-½35 ≣E41Memorial J.Capabl...
71Panno Oscar (ARG)2438Parma Bruno (SLO)2480½-½17 ≣E41Memorial J.Capabl...
113Farago Ivan (HUN)2410Polgar Istvan (HUN)2380½-½25 ≣E41Ch Hungary
85Gligoric Svetozar...2447Polugaevsky Lev A...25850-1108 ≣E47It \
76Taimanov Mark E (...2386Polugaevsky Lev A...2585½-½41 ≣E41Ch URS
74Portisch Lajos (HUN)2523Polugaevsky Lev A...2585½-½31 ≣E41?
95Gligoric Svetozar...2447Polugaevsky Lev A...2585½-½19 ≣E47Izt
127Donner Jan-Hein (...2470Polugaevsky Lev A...2645½-½41 ≣E47It (cat.10)
96Portisch Lajos (HUN)2523Polugaevsky Lev A...25850-144 ≣E47Izt
156Korchnoi Viktor (...2650Polugaevsky Lev A...2625½-½17 ≣E47Ch URS
154Calvo Minguez Ric...2470Pomar Salamanca A...2435½-½30 ≣E47It
194Lombard Andre (SUI)2400Pomar Salamanca A...2420½-½25 ≣E47Olympiad
98Rodriguez Orestes...2403Pomar Salamanca A...2345½-½38 ≣E41Olympiad
189Betancort Curbelo...2255Pomar Salamanca A...2430½-½20 ≣E46It
130Portisch Lajos (HUN)2640Pomar Salamanca A...2460½-½32 ≣A17It (cat.8)
251Sutter Oliver (SUI)2378Renet Olivier (FRA)25070-136 ≣E47Ch Switzerland (t...29 Feb 2004
255Nguyen Chi-Minh (...2371Renet Olivier (FRA)24970-144 ≣E46Ch France (team) ...04 May 2005