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Nimzo-Indian, Sämisch Variation, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

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
5Muhring PimEuwe Max (NED)0-148 ≣E20Ch Netherlands
39Vladimirov Boris ...2340Lein Anatoly (USA)22611-033 ≣E20Ch URS
89Vladimirov Boris ...2340Szabo Laszlo (HUN)19031-021 ≣E20It
41Gligoric Svetozar...2447Germek Milan1-029 ≣E20It
44Khodos German (RUS)2200Kuijpers Frans A ...22801-040 ≣E20Olympiad (student...
45Sliwa Bogdan (POL)2235Kostro Jerzy (POL)23051-047 ≣E20Ch Poland
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
48Koblencs AleksandrsBuslaev Aleksande...1-028 ≣E20Ch Baltic Republics
50Ghitescu Theodor ...2384Soos Bela (GER)22811-036 ≣E20Ch Romania
51Richardson Keith ...2137Wade Robert G (ENG)21480-136 ≣E20Tournament
52Tal Mikhail N (LAT)2520Barstatis Reinhar...22400-143 ≣E20?
56Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
58Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
60Bukic Enver (SLO)2383Sofrevski Jovan (...23751-040 ≣E20It
61Bowen AWWade Robert G (ENG)21481-032E20Ch Great Britain
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
67Schmidt Johannes ...2243Gigas J1-046 ≣E20Ch BRD (corr.)
68Schmidt Johannes ...2243Lengyel C1-024 ≣E20Europe Tournament...
77Peterson Andrey (...Ridzvanavicius1-029 ≣E20Ch Baltik Republics
69Snellman SvenMykra Veikko1-039 ≣E20?
70Moehring Guenther...2294Liebert Heinz (GER)22470-137 ≣E20Ch DDR
72Portisch Lajos (HUN)2523Pachman Ludek (GER)22781-023 ≣A17Olympiad
74Barczay Laszlo (HUN)2381Bokor Istvan (HUN)22261-031 ≣E20Ch Hungary
75ChristensenLakjunas0-121 ≣E20Cup Baltic (corr.)
82Taimanov Mark E (...2386Hamann Svend (DEN)22981-033 ≣E20It \
83Benko Pal C (USA)2408Hudson C1-020 ≣E20Ch USA (team)
84Gipslis Aivars (LAT)2429Vitolins Alvis (LAT)24351-049 ≣E20Tournament
87Miettinen ReinoSalovaara Reino1-020 ≣E20?
92Ageichenko Genadi...2343Smyslov Vassily (...24940-132 ≣E20Tournament
93Butnorius Algiman...2388Kaunas Kestutis (...22541-036 ≣A15?
94Kwasniewski Zdzis...2213Jamroz Zbigniew (...21791-022 ≣E20Ch Poland (team)
95Walter HFWanke Rudolf1-031 ≣E20corr.
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
99Kondratiev Pavel ...Zhdanov Igor1-030 ≣E20Ch URS (team)
101Khodos German (RUS)2200Rubakhov1-030 ≣E20?
102Knezevic Milorad ...2212Jamroz Zbigniew (...21791-032 ≣E20It
103Gerusel Mathias (...2239Szabo Laszlo (HUN)19030-139 ≣E20It
104Diaconescu PaulMueller Horst (AUT)20471-044 ≣E20Olympiad (corr.)
105Portisch Lajos (HUN)2523Nagy Ervin (HUN)22691-027 ≣E20?
145Vladimirov Boris ...2340Gerasimov Nikolay...20921-021 ≣E20Tournament
108Hildenbrand Peter...2227Soelter Reinhold ...20720-139 ≣E20Ch OWL
109Ligterink Gert (NED)2405Harandi Khosro (IRI)23771-039 ≣E20Ch World (juniors)
110Engel WolfgangWalthemathe A0-121 ≣E20corr.
111Diez Del Corral J...2415Belkadi Ridha (TUN)23451-032 ≣E20Olympiad
112Khodos German (RUS)2200Asaturian S (RUS)1-029 ≣E20?
113Hartmann W (GER)Rodford DE0-130 ≣E20corr.
114Deze Anton (YUG)2400Komljenovic Davor...24510-130 ≣E20?
116Carbone ADebarnot Roberto ...23750-133 ≣E20It
117MooyBubenik J1-040 ≣E20Europe Tournament...
118KleinFleischer W0-121 ≣A15corr.
119Bohm Hans (NED)2317Timman Jan H (NED)24800-140 ≣A17Ch Netherlands
120Diez Del Corral J...2470Jakobsen Ole (DEN)24401-031 ≣E20Olympiad
121Kirsch Michael2200Wostin Rik H (BEL)22500-141 ≣E20Olympiad
122Pribyl Josef (CZE)2450Timoscenko Gennad...24831-042 ≣E20It
123GretskinEstrin Yakov B (RUS)24500-137 ≣E20corr.
124Petran Pal (HUN)2384Farago Ivan (HUN)24400-140 ≣A40Ch Hungary
126Mikenas Vladas I ...2405Salamon1-048 ≣E20Ch Europe (team) ...
127Hollis Adrian Swa...Steiner Josef (AUT)21161-039 ≣E20It (cat.7)
129Kirsch Gerard (LUX)1957Pritchett Craig W...23500-130 ≣E20It (open)
130Hoehne EduardReichenbacher Ger...18400-125 ≣A40corr.
131Butze RolandGlausius G1-028 ≣E20World Tournament ...
132Diaconescu PaulPrieditis G1-026 ≣E20World Tournament ...
133Molenbroek HansDetmer Herbert1-025 ≣E20World Tournament ...
134Toliusis LBoness A1-029 ≣E20World Tournament ...
135Lempiainen HeimoKumpare Matti1-016 ≣E20?
136Pitkanen Juhani (...1724Inkinen Jorma0-124 ≣E20?
137Pyhala Antti (FIN)2305Ahonen Tauno1-026 ≣E20?
138Pyhala Antti (FIN)2305Martois Karl-Erik0-147 ≣E20?
139Butze RolandWeder Erhard1-050 ≣E20corr.
140HoewelBusch Raimund (GER)23200-146 ≣E20Ch NRW
143Belistri Ubaldo (...2051Dienavorian Manue...22801-048 ≣E20Ch Uruguay
144Lempiainen HeimoValo Veikko0-130 ≣E20?
379Pomes Marcet Juan...2420Ortega JI1-032 ≣E20Ch Catalunia (team)
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
442Solon Nathan (USA)2278Ashley Maurice (USA)24820-146 ≣E20It \
304Kilpi Teemu (FIN)2135Aseev Konstantin ...25600-137 ≣E20It (open)
394Sbarra Marco (ITA)2280Bossi Alessandro ...20191-031 ≣E20It (open)
323Manion Josh (USA)2400Herchalia1-040 ≣E20It (open)
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
312Levtchouk George ...2323St Pierre Benoit ...22261-039 ≣E20It (open)
141Slavov Dimcho (BUL)2225Bobotsov Milko G ...24050-138 ≣E20It
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
85Bellin Jana (ENG)2133Norman Dinah M (ENG)19021-046 ≣A40Olympiad (w)
364Crouch Colin S (ENG)2410Kosten Anthony C ...25400-143 ≣E20It (open)
148Neckel OHobusch Werner (GER)21611-050 ≣E20corr.
380Aaltio Erkki (FIN)2133Kytoniemi Jyrki (...22100-139 ≣E20?
147Rubinetti Jorge (...2420Sanguinetti Raul ...25050-142 ≣E20Ch Argentina
763Volkov Sergey Vik...2614Stockmann Michael...22841-038 ≣E20It (open)
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
351Hubert Ralf (GER)2293Rechmann Peter (GER)23160-148 ≣E20It (open)
187Moskalenko Viktor...2435Karpman Vadim (UKR)23821-026 ≣E20It
333Andriana Anca (ROM)2102Peptan Corina-Isa...22550-124 ≣E20Ch Europe (junior...
200Gutman Lev (GER)2465Gligoric Svetozar...25001-041 ≣E20It (open)
146Vladimirov Boris ...2340Gerasimov N (RUS)23551-021 ≣E20?
10Kuzminykh Evgeni FKondratiev Pavel ...0-139 ≣E20Ch URS (1/2 final)
532Gaule Patrick (SUI)2150Trajkovic Predrag...24320-135 ≣E20It (open)
40Germek MilanDonner Jan-Hein (...24301-040 ≣E20It
271Moskalenko Viktor...2558Naumkin Igor (RUS)24901-048 ≣E20It (cat.10)
245Ballon Guenther J...2183Vyzmanavin Alexey...25400-130 ≣E20It (open)