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Nimzo-Indian, 4.e3, Main line with 8...Bxc3 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 Bxc3+ 9.bxc3 Qc7

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
80Juhnke Karl (GER)2178Neunhoeffer Helmu...22791-037 ≣E47Bundesliga 1983/84
174Norri Joose (FIN)2385Niemela Antti (FIN)22791-040 ≣E41Ch Helsinki
137Hladnik A2150Krumpak Hinko (SLO)20900-150 ≣E41Ch Slovenia (1 liga)
138Ibragimov Ildar (...2540Luther Thomas (GER)25180-134 ≣A13It (open)
215Bengtson Matthew ...2306Hoekstra Matthew ...21551-029 ≣E47It (open)
132Nickl Klaus (AUT)2144Liedl Wolfgang (AUT)22241-048 ≣E47Ch Austria (1/2 f...
94Zugehoer ESchulz Gert (GER)20531-028 ≣E47corr.
99Lin Weiguo (CHN)2447Ivanchuk Vassily ...26251-039 ≣E47Ch World (juniors...
52Lombard Andre (SUI)2350Langeweg Kick (NED)24101-032 ≣E47Ch Switzerland
10Pfeiffer Gerhard ...Haygarth Michael ...23750-149 ≣E47Cup Clare Benedict
20Taimanov Mark E (...2386Averbakh Yuri L (...24451-044 ≣E47Ch URS (team)
44Donner Jan-Hein (...2470Langeweg Kick (NED)24250-142 ≣E47It (cat.10)
19Korelov Alexander...2375Zlotnik Boris A (...24331-035 ≣E21Ch URS (team)
59Puronaho AarnoRomppanen Tuomo0-132 ≣E41?
100Balashov Yuri S (...2540Dizdar Goran (CRO)25001-028 ≣A40?
21Kurass Iskir (UKR)2340Sakharov Yuri N (...24750-136 ≣A17Ch \
79ThunbergFiensch Gunter0-139 ≣E47corr.
33Gligoric Svetozar...2447Korchnoi Viktor (...25560-139 ≣E47It
69Formanek Edward W...2400Enklaar Bertus F ...23950-141 ≣E46It (b)
57Fraguela Gil Jose...2380Byrne Robert E (USA)25400-125 ≣E47?
240Luehrig WalterMarcotulli Giancarlo1-012 ≣E47Tournament (IECG)
4Aronson Lev (RUS)Roizman Abram (BLR)1-030 ≣E47Ch Belarus
1Geller Efim P (RUS)2455Petrosian Tigran ...25801-046 ≣E40
2Jezek Jaroslav (CZE)2235Ragozin Viachesla...1-046 ≣E41It
3Rellstab Ludwig S...2265Scheipl Ralf (GER)22831-036 ≣E41Ch BRD
5Bannik Anatoly (GER)2175Blagidze Alexander1-049 ≣E47Ch URS (1/2 final)
7Spassky Boris V (...2548Bobotsov Milko G ...24051-027 ≣E41Match \
8Gromek JozefFilipowicz Andrze...23301-041 ≣E41Ch Poland
9Tolush Alexander ...Arulaid Alexander...0-132 ≣E41Olympiad URS
11Gligoric Svetozar...2447Burger Karl (USA)23101-039 ≣E47It
12Galeb Antoine2200O'Hare E0-131E21Olympiad
16Roizman Abram Y (...2315Anokhin Yuri1-033 ≣A17Ch URS (1/2 final)
17Lapienis Donatas ...2282Dzhanoev David0-141 ≣E41Ch Baltic Republics
18Bruemmer UllrichWeber Bernd1-029 ≣A17Ch DDR
23Hybl Jaroslav (CZE)2172Pachman Ludek (GER)22780-123 ≣E47Ch Czechoslovakia
27Akvist Hakan (SWE)2130Gonzalez Yuri (CUB)25560-140 ≣A17Ch Sweden
28Geller Efim P (RUS)2455Nikitin Aleksande...24301-031 ≣A17It \
29Mileika YaNikitin Aleksande...24300-137 ≣E47Ch URS (team)
30Osnos Viatcheslav...2384Sakharov Yuri N (...24751-027 ≣A17Ch URS
31Tiemeyer HMendel G1-031 ≣E41corr.
32Byrne Robert E (USA)2434Villarroel Geber ...22901-036 ≣E21Olympiad
34Dmitriev Igor (RUS)2392Hesse Gunter0-127 ≣E21?
37Pomar Salamanca A...2345Keller Dieter (SUI)23591-034 ≣E41Cup Clare Benedict
38Peltonen UskoHesse Gunter1-035 ≣E47?
40Wirthensohn Heinz...2359Schauwecker Meinr...22511-023 ≣E40It (juniors) (und...
41Donner Jan-Hein (...2500Troianescu Octav ...23300-139 ≣E41Memorial J.Capabl...
42Donchenko Oleg I ...2309Krogius Nikolai V...25750-139 ≣E47Ch URS (1/2 final)
43Cherepkov Alexand...2400Osnos Viatcheslav...25400-138 ≣E47?
47Stolle EFechner Jurgen1-033 ≣E47corr.
48Negyesy GyorgyFagerstrom R1-023 ≣E41corr.
50Stortelder LMuysson F1-022 ≣A05corr.
51Balashov Yuri S (...2540Gulko Boris F (USA)24801-040 ≣A40Zt (play-off)
53Unzicker Wolfgang...2535Keller Dieter (SUI)23591-038 ≣A05Ch Switzerland
54Lim Seng-Hoo (SIN)2440Tisdall Jonathan ...23900-127 ≣E47?
55Bykov Valery (RUS)2301Reshko Aron G (RUS)0-134 ≣E40Ch Leningrad
56Knaak Rainer (GER)2520Averbakh Yuri L (...25300-144 ≣E47?
63Portisch Lajos (HUN)2630Hort Vlastimil (GER)26201-026 ≣E47It (cat.12)
64Toth Bela (ITA)2345Tatai Stefano (ITA)24550-134 ≣E47Zt
65Vaisser Anatoly (...2536Zilberstein Valer...22510-150 ≣E47Spartakiada URS
68Aijala JormaNiklasson Christe...23850-133 ≣E47Ch Nordic
70Shashin Alexsande...2350Osnos Viatcheslav...23841-041 ≣E47?
71Scheeren Peter (NED)2415Karsa Laszlo (HUN)23460-136 ≣E47It (open)
72Vehreschild HHess1-038 ≣E47corr.
73Berndt Klaus (GER)2164Neubert Gerhard (...19900-140 ≣E41corr.
76Vaisser Anatoly (...2490Makarichev Sergey...25050-131 ≣E47?
77Dydyshko Viachesl...2460Korzubov Peter (BLR)24500-141 ≣E10Ch Belarus
78Ojala JormaVisti Heikki (FIN)19740-135 ≣E41?
81Maresca FilippoPellegrini R1-018 ≣E47Ch Italy
83Knaak Rainer (GER)2530Tischbierek Raj (...24500-133 ≣E47It (cat.8)
85Barbero Gerardo F...2455Ricardi Pablo (ARG)24950-144 ≣E41Ch Argentina
89Hort Vlastimil (GER)2545King Daniel J (ENG)24601-049 ≣E21Bundesliga 1985/86
91Acosta Tomas (ARG)2275Servat Roberto (ARG)22851-031 ≣E47Ch Argentina
93Hutschenreiter JoergSchuetze1-047 ≣E41corr.
95Marotz HJFischer Franz19901-041 ≣E21corr.
96Semkov Semko (BUL)2450Drasko Milan (MNE)24651-034 ≣E47?
98Chabot Roland (CAN)2231Glen Graham1-027 ≣E47Ch Canada
102Tirabassi Maurizi...2306Taksrmo1-041 ≣E47Olympiad (corr.)
103BensiCasagrande Harald...23210-132 ≣E46Ch Italy
104Knaak Rainer (GER)2500Arduman Can (TUR)23361-044 ≣E47Olympiad
106Villavicencio Ada...2310Rodriguez Talaver...24051-037 ≣E10It (open)
107Calatayud ManuelDeforel Jorge Edu...1-039 ≣A15corr.
108Knaak Rainer (GER)2485Tischbierek Raj (...24541-041 ≣E46It (cat.10)
110Rastas SeppoAulaskari Pauli (...1-038 ≣E47?
111Bjerke Richard (NOR)2135Tisdall Jonathan ...24650-135 ≣E11It (open)
112Howell James C (ENG)2440King Daniel J (ENG)24950-141 ≣E41Ch Great Britain
113Muir Andrew J (SCO)2250Motwani Paul (SCO)24900-147 ≣E47Ch Great Britain
114Muir Andrew J (SCO)2311Lerner Konstantin...25600-139 ≣E47It (open)
115Anton V (GER)Viaud Adolphe1-033 ≣E47Memorial Bergrase...
116Fuka Miroslav (CZE)2072Houska1-041 ≣E46corr.
120Preuss Manfred (GER)2016Witt Rob (NED)22391-026 ≣E21It (open)
121Schneider Attila ...2266Shereshevski Mikh...24750-132 ≣E47It \
122Martinovsky Eugen...2375Dizdar Goran (CRO)25300-141 ≣A46It (open)
123Ibragimov Ildar (...2485Skomorokhin Roman...23761-026 ≣E00Ch URS (1/2 final)
124Ibragimov Ildar (...2485Vekshenkov Nikola...24161-035 ≣E41Ch URS (1/2 final)
126Semkov Semko (BUL)2450Panajotov Janko (...22191-034 ≣E47Tournament (team)
127Lehtosaari JyrkiArppi Heikki0-144 ≣E41?
128Gaso-Dengler Dija...Kadimova Ilaha (AZE)23140-137 ≣E47Ch Europe (team)
129Kievelitz Bernd (...2062Giorgadze Giorgi ...25250-141 ≣A06It (open)
130Bjerke Richard (NOR)2285Thorsson Olafur (...22251-028 ≣E00It (open)
171Yakovich Yuri (RUS)2530Wilhelmi Christia...23550-140 ≣E47It (open) \