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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
745Monticelli Romain1820De Gueldre Philip...21270-127 ≣E00Tournament (open)30 Mar 2012
680Mareco Sandro (ARG)2503Corrales Fidel (CUB)26020-142E10Ch Continental Am...30 Jul 2009
201Littleton Michael...2275Sharif Mehrshad (...23301-012 ≣E10Olympiad
88Angos AlexanderSafvat Y0-121 ≣E10Olympiad
552Shipov Sergei (RUS)2604Bagirov Rufat (AZE)24940-136 ≣E10It (open) \
682Rees Ioan (WLS)2339Pap Gyula (HUN)25030-146 ≣E10It (cat.8)03 Aug 2009
602Dias Paulo (POR)2306Blalock Rex (USA)22181-036 ≣E10It (open)03 Nov 2005
18Panno Oscar (ARG)2438Ivkov Borislav (SRB)24161-024 ≣E10Ch World (juniors)
606Van der Werf RVermeulen F0-129 ≣E10It (open)
442Karp Serge (LUX)2095Pytel Krzysztof (...24250-122 ≣E10It (open)
652Fistek Dariusz (POL)2265Sopur Lech (POL)24250-135 ≣E10It (open)28 Apr 2008
458Kock Hans-Uwe (LIE)2235Kiesslich W1-029E10It (open)
484Garcia Palermo Ca...2470Van Riemsdijk Her...24050-148 ≣E10It (cat.6)
732Rasmussen Henning...2172Byrne Ray (IRL)20540-143 ≣E10Cup European Club26 Sep 2011
758Zwirs Nico (NED)2173Leenhouts Koen (NED)23840-134 ≣E11It (open)07 Aug 2012
447Van Den Bergh Jan...2068Bjarnason Saevar ...22850-135 ≣E11It (open)
520Labat Antoine (FRA)2024Dourerassou Jonat...21030-142 ≣E11Ch France (team) ...
713Schnider Gert (AUT)2358Schwenk Andreas (...21301-035 ≣E11It (open)17 Feb 2011
572Melkumjanc NicolajDeuber Roman (SUI)20960-121 ≣E20Ch Switzerland
499Kodentsov Grisja ...2275Werle Jan (NED)22161-040 ≣E20Ch Netherlands (j...
118Lazarev Efim M (UKR)2428Kurass Iskir (UKR)23401-048 ≣E21Ch Ukraine (1/2 f...
102Spassky Boris V (...2548Ghitescu Theodor ...23841-034 ≣E21Ch World (students)
122Borisenko Georgy ...2354Kondratiev1-042 ≣E21It
638Batsiashvili Nino...2313Babujian Levon (ARM)24280-133 ≣E21It (open)17 Sep 2007
595Pacheco Daniel (ARG)2297Ferrufino Boris (...22111-041 ≣E21It (cat.2)12 Jun 2005
591Drozdowski Kacper...1812Paprocki Jaroslaw...22270-148 ≣E21Tournament (regio...04 Apr 2005
66Gligoric Svetozar...2447Evans Larry M (USA)24701-039 ≣E21It
257Pinter Jozsef (HUN)2445Rigo Janos (HUN)23851-040 ≣E21Ch Hungary
455Bjornsson Bjorn F...2230Addison James1-029 ≣E21It \
379Manchego CarlosDebarnot Roberto ...23550-143 ≣E21It (open) \
718Tyn Ondrej1902Pavelek Karel (CZE)21550-134E21Czech League 2010...03 Apr 2011
656Bagapsh Astamur (...Sanakoev Grigory ...22590-120 ≣E21It (open) (a)03 Aug 2008
647Chabanon Jean-Luc...2454Garro Pierre (FRA)21411-026 ≣E21Ch France (team) ...10 Apr 2008
443Sasata Robert (CAN)2279Ferguson Bobby (USA)22320-134 ≣E21It (open)
225Gorniak Juri (MDA)Siniavsky Alexander1-021 ≣E21Olympiad URS
273Lukacs Peter (HUN)2405Pinkas Karol (POL)23201-041 ≣E21It (a)
49Kozma Julius (CSR)2380Vesely Jaromir (CZE)19791-042 ≣E21Ch Czechoslovakia
495Kovacs Istvan (HUN)2236Somogyi Istvan (HUN)22381-050 ≣E21Ch Hungary (team)...
623D'apa Matteo (ITA)2026Cardani Roberto (...19031-050 ≣E21Memorial Crespi (...08 Dec 2006
232Palmo Pentti (FIN)2065Hietanen Pentti1-033 ≣E21?
228Sorsak Jozef Sr (...2125Kolesar Milan (SVK)21750-130 ≣E21It (b)
631Hoang Thi Bao Tra...2265Andriasian Siranu...22341-044 ≣E21Ch World (team) (w)21 May 2007
227Taimanov Mark E (...2580Zaichik Gennadi (...24571-039 ≣E21Olympiad URS
759Arishin Sergei (KGZ)2183Nukin Ashat (KAZ)23470-125 ≣E21Memorial Izmailov...12 Aug 2012
624Pushkov Nikolai (...2513Kornyukov Alexey ...24161-037 ≣E21Memorial G.I.Ivan...03 Jan 2007
173Lukic ArsenijeDamjanovic Mato (...23030-134 ≣E21It
594Brener Ilja (GER)2334Lettieri Giuseppe...22650-150 ≣E40Cup Mitropa25 May 2005
694Potkin Vladimir (...2630Corrales Fidel (CUB)25991-035 ≣E40Memorial J.Capabl...16 Jun 2010
62Tserendagva D (MGL)Reissmann Paul (PRO)1-030 ≣E40Olympiad12 Sep 1956
739Ramon Solans Albe...2280Cruz Jonathan (PER)23860-122 ≣E40It (cat.2)07 Dec 2011
692Ruschukov BojanNikolova Adriana ...22950-137 ≣E40It \22 May 2010
742Baciu Stefan (ROM)2222Tudose Cristian (...18541-039 ≣E40Ch Romania17 Feb 2012
657Nikolaev Alexande...1986Abylkassymova Rau...18341-039E40Tournament (open) \05 Aug 2008
678Murillo Alexis (CRC)2310Iturrizaga Eduard...25550-146 ≣E40Zt24 Jun 2009
648Stegariu Vlad-Ionut1937Frusescu Dorian-C...1-041 ≣E40Ch Romania (juniors)12 Apr 2008
616Jakab Attila (HUN)2402Ilincic Zlatko (SRB)24510-130 ≣E40It (cat.7)07 Jun 2006
68Golz Werner (GER)2410Rellstab Ludwig S...22650-124 ≣E40It
639Enchev Evgeni (BUL)1988Nikolova Adriana ...22250-133 ≣E40Ch Bulgaria (stud...10 Nov 2007
566Bromberger Stefan...2440Loeffler Stefan (...24320-130 ≣E40Bundesliga 2002/03
396Yepez Olavo (ECU)2305Narciso Dublan Ma...23000-123 ≣E40It (open)
561Giuriato Sergio (...2020Wronn Bernd (GER)22510-120 ≣E40It (open)
517Graf Alexander (GER)2610Zeller Frank (GER)24530-139 ≣E40It (open)
372Cacho Reigadas Se...2524Corral Blanco Jua...24361-030 ≣E40It (active)
380Popov Sinisa S (SRB)2443Stanimirovic Alek...22401-031 ≣E40Ch Yugoslavia (team)
261Cherek GunterSchimron H0-129 ≣E40corr.
599Brener Ilja (GER)2334Warakomski Tomasz...23960-124 ≣E40Ch Europe (junior...
198Bjerre Troels (DEN)2320Hamann Svend (DEN)24900-130 ≣E40Tournament
695Kozenkov Valery (...2132Rutman Aleksandr ...21441-027 ≣E40It (open) \24 Jun 2010
533Zolotov Bogdan (RUS)2207Chuiko Alexander ...24130-141 ≣E40Ch Tula Region (o...
113Minev Nikolay N (...2370Blatny Frantisek ...21120-137 ≣E41It
17Najdorf Miguel (POL)2445Reshevsky Samuel ...24300-135 ≣E41Match
115Donner Jan-Hein (...2430Matanovic Aleksan...24900-137 ≣E41It
200Cardoso Carlos Al...2207Sharif Mehrshad (...23300-141 ≣E41Olympiad
112Souza Mendes JoaoShocron Ruben (USA)22591-046 ≣E41?
496Balogh JBoros Laszlo (HUN)19190-139 ≣E41Ch Hungary (team)...
25Taimanov Mark E (...2386Euwe Max (NED)0-141 ≣E41Tournament (candi...
107Geller Efim P (RUS)2455Padevsky Nikola (...23551-044 ≣E41It
92Ojanen Kaarle S (...2335Euwe Max (NED)0-131 ≣E41Olympiad
105O'kelly De Galway...2460Secchi Ernesto1-042 ≣E41Ch World (corr.)
110Ivkov Borislav (SRB)2416Wexler Bernardo (...1-040 ≣E41?
120Thorbergsson Frey...2340Humerez C0-132 ≣E41Olympiad
87Donner Jan-Hein (...2430Larsen Bent (DEN)24150-133 ≣E41Match
196Karjarinta TapaniNurmi Toivo0-128 ≣E41?
95Evans Larry M (USA)2470Sherwin James T (...22460-142 ≣E41Ch USA
54Enevoldsen Jens (...2350Larsen Bent (DEN)24150-129 ≣E41It
84Panno Oscar (ARG)2438Garcia Vera Romeo1-032 ≣E41Ch Argentina
104Donner Jan-Hein (...2430Clarke Peter H (ENG)23001-032 ≣E41Match \
111Letelier Rene (CHI)2151Redolfi1-049 ≣E41?
728Salem A R Saleh (...2489Ashwath R (IND)22491-036 ≣E41Ch World (juniors...07 Aug 2011
57Bisguier Arthur B...2237Turner Abe22001-046 ≣E41Memorial Rosenwald
67Gligoric Svetozar...2447Stenborg Ake (SWE)22800-148 ≣E41Zt
27Cuellar Gacharna ...2280Vesterinen J1-043 ≣E41Olympiad
58Barda Yngvar (NOR)2280Keller Dieter Ren...23590-128 ≣E41Olympiad (sf)02 Sep 1956
50Palmason Gudmundu...2270Einarsson Jon1-029 ≣E41It
81Yepez Olavo (ECU)2305Blatny Frantisek ...21120-123 ≣E41Ch World (team) (...
82Dzieciolowski AdamWiniwarter Felix ...21760-133 ≣E41Memorial Przepiorka
53Kozma Julius (CSR)2380Lax Hendrich1-029 ≣E41Ch Czechoslovakia...
138Omari FatosSafvat Younnus0-142 ≣E41Olympiad
337Michenka Jozef (CZE)2346Kazek Krzysztof (...20001-026 ≣E41It
26Bronstein David I...2432Horberg Bengt-Eric1-033 ≣E41Olympiad