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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
1Euwe Max (NED)Golombek Harry (ENG)23201-038 ≣E20
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
5Muhring PimEuwe Max (NED)0-148 ≣E20Ch Netherlands
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
8Gligoric Svetozar...2447Martin Pedro (ARG)20211-041 ≣E20It
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
10Kuzminykh Evgeni FKondratiev Pavel ...0-139 ≣E20Ch URS (1/2 final)
12Tal Mikhail N (LAT)2520Etruk Rein T (EST)23981-040 ≣E20Tournament
13Benko Pal C (USA)2408Dely Peter (HUN)23911-042 ≣E20Memorial Szikra
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
15Baumbach Friedric...2239Schlieder Rolf0-131 ≣E20It (a)30 Dec 1956
17Portisch Lajos (HUN)2523Bilek Istvan (HUN)23751-032 ≣E20Ch Hungary
18Korchnoi Viktor (...2556Bykov Valery (RUS)23011-045 ≣E20Ch Leningrad
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
20Szabo Laszlo (HUN)1903Teschner Rudolf (...22951-041 ≣E20Zt
21Hadjipetrov Aleks...Ivanov Pavel (RUS)20021-040 ≣E20Ch Bulgaria
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
25Taimanov Mark E (...2386Milic Borislav (YUG)1-034 ≣E20Match \
26Weinstein Raymond...Denker Arnold S (...22931-041 ≣E20Ch USA
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
28Hadjipetrov Alexa...2290Kolarov Atanas S ...24150-134 ≣E20Ch Bulgaria
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
32KondratievUnzicker Wolfgang...24330-139 ≣E20It
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
35Porreca Giorgio (...Tatai Stefano (ITA)23671-044 ≣E20Tournament
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
37Purdy Cecil J S (...Sarapu Ortvin (NZL)22551-037 ≣E20Ch Australia15 Oct 1960
38Weise DietrichClemens Christian...23140-148 ≣E20Ch BRD
39Vladimirov Boris ...2340Lein Anatoly (USA)22611-033 ≣E20Ch URS
40Germek MilanDonner Jan-Hein (...24301-040 ≣E20It
41Gligoric Svetozar...2447Germek Milan1-029 ≣E20It
43Gulbrandsen A V (...Wostin Rik H (BEL)22501-041 ≣E20Ch World (juniors)
44Khodos German (RUS)2200Kuijpers Frans A ...22801-040 ≣E20Olympiad (student...
45Sliwa Bogdan (POL)2235Kostro Jerzy (POL)23051-047 ≣E20Ch Poland
46Polugaevsky Lev A...2585Niephaus Walter (...1-046 ≣E20Ch Europe (team)
47Weise DietrichLengyel Levente (...22930-144 ≣E20Ch Europe (team)
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?
53Sliwa Bogdan (POL)2235Lengyel Levente (...22930-141 ≣E20It
54Moehring Guenther...2294Neukirch Detlef (...22671-033 ≣E20Ch DDR
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
56Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
58Wade Robert G (ENG)2148Luginbuhl Erwin (...23701-032 ≣E20Olympiad
59Wade Robert G (ENG)2148Ortega Lexy (ITA)24750-137 ≣E20Olympiad
60Bukic Enver (SLO)2383Sofrevski Jovan (...23751-040 ≣E20It
61Bowen AWWade Robert G (ENG)21481-032E20Ch Great Britain
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
63Kottnauer Cenek (...2370Nora Georges1-027 ≣E20It
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
65Tay Cheong AnnBerger Bela (HUN)0-137 ≣E20Zt
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
67Schmidt Johannes ...2243Gigas J1-046 ≣E20Ch BRD (corr.)
68Schmidt Johannes ...2243Lengyel C1-024 ≣E20Europe Tournament...
69Snellman SvenMykra Veikko1-039 ≣E20?
70Moehring Guenther...2294Liebert Heinz (GER)22470-137 ≣E20Ch DDR
71Asmundsson Ingvar...2292Palmason Gudmundu...22700-128 ≣E20It
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
74Barczay Laszlo (HUN)2381Bokor Istvan (HUN)22261-031 ≣E20Ch Hungary
75ChristensenLakjunas0-121 ≣E20Cup Baltic (corr.)
76Gheorghiu Florin ...2383Unzicker Wolfgang...24331-036 ≣E20Ch Europe (team)
77Peterson Andrey (...Ridzvanavicius1-029 ≣E20Ch Baltik Republics
78Khodos German (RUS)2200Polgar Istvan (HUN)24251-030 ≣E20Olympiad (student...
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
80Petersen Sejer Ho...Hamann Svend (DEN)22981-041 ≣E20Ch Denmark
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
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
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
87Miettinen ReinoSalovaara Reino1-020 ≣E20?
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
89Vladimirov Boris ...2340Szabo Laszlo (HUN)19031-021 ≣E20It
90Forintos Gyozo V ...2317Smyslov Vassily (...24940-147 ≣E20It
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
92Ageichenko Genadi...2343Smyslov Vassily (...24940-132 ≣E20Tournament
94Kwasniewski Zdzis...2213Jamroz Zbigniew (...21791-022 ≣E20Ch Poland (team)
95Walter HFWanke Rudolf1-031 ≣E20corr.
96Hollis Adrian Swa...Lambshire MV1-046 ≣E20Ch Great Britain
97Vitolins Alvis (LAT)2435Gerasimov N (RUS)23550-121 ≣E20Ch Armed Forces
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
99Kondratiev Pavel ...Zhdanov Igor1-030 ≣E20Ch URS (team)
100Kondratiev Pavel ...Zhdanov Igor1-028 ≣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?
106Khodos German (RUS)2200Platonov Igor V (...24300-129 ≣E20Ch URS (1/2 final)
107Hempson Peter W (...2085Gavrilovic Mikhail22001-047 ≣E20Ch Great Britain
108Hildenbrand Peter...2227Soelter Reinhold ...20720-139 ≣E20Ch OWL
109Ligterink Gert (NED)2405Harandi Khosro (IRI)23771-039 ≣E20Ch World (juniors)
110Engel WolfgangWalthemathe A0-121 ≣E20corr.