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Nimzo-Indian, 4.e3, Main line 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 Bxc3+ 9. bxc3 dxc4

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
450Lyrberg Patrik (SWE)2415Bilalic Merim (BIH)22810-129 ≣E41Ch World (juniors...
458Kock Hans-Uwe (LIE)2235Kiesslich W1-029E10It (open)
727Gomez Ledo Robert...2452Gensana Berzunces...19971-029 ≣E41It (open)18 Jul 2011
195FehsingerSchlosser1-029 ≣E41Europe Tournament...
54Enevoldsen Jens (...2350Larsen Bent (DEN)24150-129 ≣E41It
733Urkedal Frode (NOR)2447Tari Aryan (NOR)22241-029 ≣E47It (open)02 Oct 2011
673Bublei Pavel (RUS)2189Musaev Rasul (RUS)21100-129 ≣E41Ch Russia (junior...19 Apr 2009
149Niemela IlmariSafvat Y1-029 ≣E41Olympiad
137Tanin SRausch Wilfried (...22451-029 ≣E41corr.
734Kamel Salama (EGY)2037Elhares Alaa17411-029 ≣E47Tournament (Elo) \15 Oct 2011
392Hlavnicka Jiri (CZE)2243Prandstetter Edua...24100-129 ≣E47Ch Czech Chess Union
106Bertholdt DieterSzabo Laszlo (HUN)19031-029 ≣E47It
542Johannessen Leif ...2527Jenni Florian (SUI)25161-029 ≣A15Bundesliga 2002/03
374Ferrer Serrano Ro...2138Dominguez Ofretor...21380-129 ≣E41It \
455Bjornsson Bjorn F...2230Addison James1-029 ≣E21It \
53Kozma Julius (CSR)2380Lax Hendrich1-029 ≣E41Ch Czechoslovakia...
47Furman Semen (RUS)2550Spassky Boris V (...25481-029 ≣E41Ch URS
606Van der Werf RVermeulen F0-129 ≣E10It (open)
50Palmason Gudmundu...2270Einarsson Jon1-029 ≣E41It
586Belov Vladimir (RUS)2620Zhao Jun (CHN)25001-029 ≣E47It (open) \19 Feb 2005
289Panno Oscar (ARG)2515Hase Juan C (ARG)24151-029 ≣A05It (a)
669Mogoranskikh Anto...2080Sotnikovich Georg...20431-029 ≣E47Ch Club MEPHI (1 ...19 Feb 2009
261Cherek GunterSchimron H0-129 ≣E40corr.
431Glianietz Alexand...2398Murzin Lenar (RUS)22651-029 ≣E47Ch Russia (1/2 fi...
440Giddins Stephen (...2345Kaspi Alexander (...24700-129 ≣E47Cup European Club
441Sanchez Cutillas ...2083Reig Albero Ferra...21621-029 ≣E41Ch Aragon (team)
271Gerusel Mathias (...2395Behle Karl-Willi ...22561-028 ≣E41Bundesliga (2nd) ...
316Danner Georg (AUT)2360Horvath Jozsef M ...21041-028 ≣E47?
33Uusi Gunnar (EST)2410Levenfish Grigori...1-028 ≣E41Ch Moscow
329MatthaeiSebald Ralph1-028 ≣E41corr.
6Nikolac Juraj (CRO)2438Matanovic Aleksan...24900-128 ≣E41Ch Yugoslavia
276Beutler MKuhn0-128 ≣E47corr.
306Ostenstad Berge (...2315O'Cinneide Mel (IRL)22341-028 ≣E46Ch World (juniors...03 Aug 1984
308Kulbacki JamesHosey L1-028 ≣E47It (open)
222Ball Stephen (CAN)2225Dobrich Walter (CAN)22300-128 ≣E47Ch Canada
218Miettinen ReinoBjorkqvist Armas1-028 ≣E47corr.
720Maroszyk Wieslaw ...1938Jaworski Miroslaw...23200-128 ≣E47It (open)22 May 2011
158Farago Ivan (HUN)2488Pogats Jozsef (HUN)22301-028 ≣E47Ch Hungary
172Kolarov Atanas S ...2415Sapunov Lilko1-028 ≣E41Ch Bulgaria01 Mar 1966
210Pamperin Gerhard ...1999Albert Garrote Am...18681-028 ≣E47corr.
196Karjarinta TapaniNurmi Toivo0-128 ≣E41?
371Wiederkehr WMold C1-028 ≣E47corr.
35Szabo Laszlo (HUN)1903Sliwa Bogdan (POL)22351-028 ≣E47Zt
461Mancini Mario (FRA)2290Gosset Arnaud (FRA)22201-028 ≣E47It (open)
3Wood GabrielMitchell Graham1-028 ≣E41Ch World (corr.)
58Barda Yngvar (NOR)2280Keller Dieter Ren...23590-128 ≣E41Olympiad (sf)02 Sep 1956
421Almer JohanWelin Mats (SWE)22511-027 ≣A17It (open) (b)
147Krutiansky Anatoly AZhdanov Igor0-127 ≣E41Ch Latvia
214Loginov Valery A ...2486Ivanov Alexander ...20330-127 ≣A05Tournament (juniors)
501Babula Vlastimil ...2567Rigo Zsolt (SVK)22221-027 ≣E47Ch Slovakia
52Taimanov Mark E (...2386Darga Klaus (GER)24531-027 ≣A17It
695Kozenkov Valery (...2132Rutman Aleksandr ...21441-027 ≣E40It (open) \24 Jun 2010
745Monticelli Romain1820De Gueldre Philip...21270-127 ≣E00Tournament (open)30 Mar 2012
737Lund Esben (DEN)2398De Verdier Michae...23861-027 ≣E47It (open)26 Nov 2011
288Knaak Rainer (GER)2490Prandstetter Edua...24401-027 ≣E47Ch Czechoslovakia...
408Alipayo Rodulfo (...2380Hergott Deen (CAN)24300-127 ≣A05It (open) \
190Poulsson Eivind (...2340Hernandez Roman (...23751-027 ≣E47Ch World (team) (...01 Aug 1969
177Barczay Laszlo (HUN)2381Korchnoi Viktor (...25560-127 ≣E47Izt
90Johannsson Ingi R...2410Anderson Frank R ...0-127 ≣A17Olympiad
750Shiva Ravi Pillai...1861Podolchenko Evgen...24640-127 ≣E46Cup Mayors (open)10 Jun 2012
162Ojanen Kaarle S (...2335Cuartas Carlos (COL)22561-026 ≣E41Olympiad
473Cherepkov Alexand...2395Leonidov Vitaly (...23651-026 ≣E47Memorial V.Zagoro...
434Vaisser Anatoly (...2555Petursson Margeir...25651-026 ≣E47It (open)
647Chabanon Jean-Luc...2454Garro Pierre (FRA)21411-026 ≣E21Ch France (team) ...10 Apr 2008
223CaridiCarrettoni1-026 ≣E47corr.
712Verko Tatiana (KAZ)2104Kovanova Baira (RUS)23691-026 ≣E47It (open) (w)
251Rodriguez Orestes...2485Olafsson Fridrik ...25300-126 ≣E41It (cat.10)
574Garcia Gata Jorge...2021Dimitrov Vladimir...24340-126 ≣E47Memorial Narciso ...
175Neumann AbrahamCabezudo Carlos1-026 ≣E46Ch World (juniors...
622Ackermann Peter1935Malzacher Wolfgang18080-126 ≣A46Verbandsliga Bade...26 Nov 2006
625Henrichs Thomas (...2498Prusikin Michael ...25640-126 ≣E47Ch Germany23 Jan 2007
403Lengyel Ferenc (HUN)2280Kladiva Imre (HUN)20141-026 ≣E41It (open)
377Allacher Erwin (AUT)2124Wutte H20101-026 ≣E47Staatsliga B
761Spindelboeck Gern...2227Sakelsek Tadej (SLO)24361-026 ≣E46It (open)26 Aug 2012
337Michenka Jozef (CZE)2346Kazek Krzysztof (...20001-026 ≣E41It
167Luckis Marcos2270Alvarez Jose_ (CUB)23680-126 ≣E47Zt
581Ruetten Ingmar (GER)2047Hilmer Frank (GER)21790-126 ≣A40It (open)01 Oct 2004
322Pohl Walter (GER)2123Bernard H0-126 ≣E47corr.
360RimpinevaKivisto Mikko (SIN)22771-026 ≣E41Ch Finland (corr.)
453Wabschke AlfredHenrich Thomas (GER)22221-026 ≣E47VL1 1996/97
645Danilov Evgeny (RUS)2215Iljiushenok Ilia ...23140-126 ≣E41Ch Russia (junior...
580Jovic Stevan (SRB)2080Ilincic Zlatko (SRB)25220-125 ≣E47Ch Vojvodina (team)26 Sep 2004
296Movre DKalvelis1-025 ≣E47corr.
391Bjerke Richard (NOR)2285Hultin Johan (SWE)23071-025 ≣A06It (b)
407Livshits Ron (CAN)2336McGarrett Ian (CAN)21721-025 ≣E47It
422HolstLundin Alexandr (...23030-125 ≣E47Ch Sweden (team)
242Koski PekkaHeikkinen Jyrki0-125 ≣E47?
592Radojevic Sasa (SRB)2104Jovic Aleksandar ...24090-125 ≣A40Cup Belgrade 2005...05 Apr 2005
601Peralta Fernando ...2538Papp Gabor (HUN)24740-125 ≣E47It (open)24 Oct 2005
352Cenni F1620Alagna S0-125 ≣E46corr.
759Arishin Sergei (KGZ)2183Nukin Ashat (KAZ)23470-125 ≣E21Memorial Izmailov...12 Aug 2012
731Kovalenko Igor (UKR)2567Voronov Yuri (UKR)22811-025 ≣E47It (open)04 Sep 2011
320Hoffmann Hans (GER)2120Garscha F0-125 ≣E46corr.
282Kell KlausSelke Horst1-024 ≣A40corr.
203Corleo GSchaetzel F0-124 ≣E47Ch Europe (corr.)
485Mancini Mario (FRA)2285Marzolo Cyril (FRA)23701-024 ≣E47Ch France (b)
159Lapienis Donatas ...2282Rusakov Jury (RUS)22470-124 ≣E41Ch Lithuania
18Panno Oscar (ARG)2438Ivkov Borislav (SRB)24161-024 ≣E10Ch World (juniors)
157MeeristePulliainen Erkki1-024 ≣E47Cup Baltic (corr.)
151Farago Ivan (HUN)2488Dely Peter (HUN)23910-124 ≣E47Ch Hungary