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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
23Portisch Lajos (HUN)2523Padevsky Nikola (...23551-049 ≣A17It
63Kottnauer Cenek (...2370Nora Georges1-027 ≣E20It
36Vesely Jaromir (CZE)1979Florian Jaromir (...0-128 ≣E20Ch Czechoslovakia
574Konovalov Nikolay...2443Bagirov Rufat (AZE)25040-146 ≣D31Memorial F.Pripis
504Marinangeli Marti...2139Arambel Sergio (ARG)22960-142 ≣E20Ch City (match)
497Carleton John J (...2284Walsh Chris (WLS)21581-038 ≣E20Ch England (team)...
188Moskalenko Viktor...2435Vaiverman1-042 ≣E20Ch URS (qual)
80Petersen Sejer Ho...Hamann Svend (DEN)22981-041 ≣E20Ch Denmark
54Moehring Guenther...2294Neukirch Detlef (...22671-033 ≣E20Ch DDR
231Sokolov Sergey M ...Aleksandrov Aleks...23401-039 ≣E20Ch URS (qual)
435Erdogan Hakan (TUR)2217Olsen Heini (FAI)23130-147 ≣E20Olympiad
8Gligoric Svetozar...2447Martin Pedro (ARG)20211-041 ≣E20It
288Shirov Alexei (ESP)2710Beliavsky Alexand...25950-140 ≣E20It
77Peterson Andrey (...Ridzvanavicius1-029 ≣E20Ch Baltik Republics
402Khenkin Igor (GER)2550Naumkin Igor (RUS)24100-141 ≣A40It (open)
407Solana Suarez Ern...2285Gomez Esteban Jua...24750-127 ≣E20It (open)
20Szabo Laszlo (HUN)1903Teschner Rudolf (...22951-041 ≣E20Zt
13Benko Pal C (USA)2408Dely Peter (HUN)23911-042 ≣E20Memorial Szikra
224Yakovich Yuri (RUS)2450Kharitonov Andrei...25201-024 ≣E20Tournament (swiss)
442Solon Nathan (USA)2278Ashley Maurice (USA)24820-146 ≣E20It \
248Yurtaev Leonid (KGZ)2472Utemov Vladimir (...23851-048 ≣E20Ch URS (club)
76Gheorghiu Florin ...2383Unzicker Wolfgang...24331-036 ≣E20Ch Europe (team)
225Danner Georg (AUT)2408Brglez Rado (SLO)23150-141 ≣E20It (cat.8)
259Hurme Harri M (FIN)2258Lindberg Bengt (SWE)24141-046 ≣E20It (open)
21Hadjipetrov Aleks...Ivanov Pavel (RUS)20021-040 ≣E20Ch Bulgaria
261Khenkin Igor (GER)2624Schneider Lars-Ak...23641-031 ≣E20It \
329Yakovich Yuri (RUS)2525Jussupow Artur (GER)26300-136 ≣E20It (active)
71Asmundsson Ingvar...2292Palmason Gudmundu...22700-128 ≣E20It
217Pieterse Gert (NED)2361Bosman Michiel (NED)23420-146 ≣E20It (open)
428Shariyazdanov And...2588Brumen Dinko (CRO)23601-032 ≣E20Ch Croatia (team)...
301Gutman Lev (GER)2465Fahnenschmidt Ger...20260-137 ≣A15Bundesliga 1991/92
208Ernst Thomas (SWE)2460Barbero Gerardo F...24750-144 ≣E20It (open)
286Matveeva Svetlana...2425Bojkovic Natasa (...23300-128 ≣E20It \
64Fraczek HenrykSzukszta Janus0-131 ≣E20Ch Poland
141Slavov Dimcho (BUL)2225Bobotsov Milko G ...24050-138 ≣E20It
479De Santis Alessio...2267Mantovani Renzo (...23491-040 ≣E20Ch Italy
500Dao Thien Hai (VIE)2601Adianto Utut (INA)25880-133 ≣E20SEA Games
62Bonne Mark (BEL)2250Bernhardt Rolf (GER)22880-140 ≣E20It
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
157Bulthaupt Freerk ...2176Rhodin Bodo (GER)23350-144 ≣E20Bundesliga (2nd) ...
351Hubert Ralf (GER)2293Rechmann Peter (GER)23160-148 ≣E20It (open)
44Khodos German (RUS)2200Kuijpers Frans A ...22801-040 ≣E20Olympiad (student...
207Varga Mariano (ARG)2143Escandell Juan C ...22760-145 ≣E20corr.
404Dubinskaya M (UKR)2081Lomineishvili Mai...23500-147 ≣E20Ch Europe (junior...
416Molnar Aurel (HUN)2210Sawalani Navin (SIN)22451-034 ≣E20It (open)
200Gutman Lev (GER)2465Gligoric Svetozar...25001-041 ≣E20It (open)
128Sakovich Igor (LAT)2210Shmit Anatoly (LAT)22000-143 ≣E20?
84Gipslis Aivars (LAT)2429Vitolins Alvis (LAT)24351-049 ≣E20Tournament
359Etchegaray Patric...2340Urday Henry (PER)24350-143 ≣E20It (open)
389Laveryd Peter (SWE)2310Lindberg Bengt (SWE)23551-047 ≣E20Ch Sweden (team) ...
484Hillarp Persson T...2482Berg Emanuel (SWE)25271-046 ≣A40Ch Sweden
216McMillanCowling TI1-045 ≣E20corr.
92Ageichenko Genadi...2343Smyslov Vassily (...24940-132 ≣E20Tournament
89Vladimirov Boris ...2340Szabo Laszlo (HUN)19031-021 ≣E20It
411Behrhorst Frank (...2290Mossakowski Flori...22150-126 ≣E20Memorial Arnold J...
440Szymanski Marcin ...2325Held Markus (GER)21831-042 ≣E20It (cat.4) \
93Butnorius Algiman...2388Kaunas Kestutis (...22541-036 ≣A15?
346Yakovich Yuri (RUS)2515Littke Adam (CAN)22900-140 ≣E20It \
499Nguyen Chi-Minh (...2370Van Den Doel Erik...25600-125 ≣E20Ch France (team) ...
342Ionescu-Ilie Vior...Zak Uriel (ISR)23700-147 ≣E20It (open)
472Ulibin Mikhail (RUS)2581Pikula Dejan (SRB)24841-037 ≣E20It (open)
470Erdogan Hakan (TUR)2212Selbes Tarik (TUR)21451-035 ≣E20Ch Turkey
219Malaniuk Vladimir...2560Tolnai Tibor (HUN)24701-030 ≣E20It
453Salmela Hannu (FIN)2047Agopov Mikael (FIN)23990-149 ≣E20It (open)
332Nilssen John Arni...2378Hedman Erik (SWE)23921-041 ≣E20Ch Europe (juniors)
243Khenkin Igor (GER)2624Karpman Vadim (UKR)23821-026 ≣E20Ch URS (young mas...
106Khodos German (RUS)2200Platonov Igor V (...24300-129 ≣E20Ch URS (1/2 final)
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
96Hollis Adrian Swa...Lambshire MV1-046 ≣E20Ch Great Britain
100Kondratiev Pavel ...Zhdanov Igor1-028 ≣E20Ch URS (team)
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
29Sliwa Bogdan (POL)2235Kluger Gyula (HUN)22500-148 ≣A17It
91Vladimirov Boris ...2340Arulaid Alexander...1-031 ≣E20It \
42Luik Helmuth (EST)2209Arulaid Alexander...0-148 ≣A15Ch Estonia
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
4O'kelly De Galway...2460Wood Gabriel1-028 ≣E20It
12Tal Mikhail N (LAT)2520Etruk Rein T (EST)23981-040 ≣E20Tournament
57Omari (ALB)Ortega Lexy (ITA)24750-126 ≣E20Olympiad
86Partos Charles (SUI)2345Nacht Edgar0-119 ≣E20Ch Romania
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
2Landau Salo (POL)Van Scheltinga Th...23250-137 ≣E20Match
3Junge Klaus (CHI)Bogoljubow Efim D...0-140 ≣E20It
6Donner Jan-Hein (...2430Pirc Vasja (YUG)0-132 ≣E20It
7Kuzminykh Evgeni FKoblenc A (LAT)1-029 ≣E20Ch URS (1/2 final)
9Sakellaropoulos ThLoverdos S1-024 ≣E20Ch Greece
11Branicki Ignacy2200Makarczyk Kazimie...1-027 ≣A15Ch Poland
14Berliner Hans J (...Anderson Frank R ...0-130 ≣E20It (open)
212Ballon Guenther J...2183Pritchett Craig W...23431-042 ≣E20It (open)
210Hubert Ralf (GER)2293Fischer Michael (...21081-022 ≣E20It (open) \
17Portisch Lajos (HUN)2523Bilek Istvan (HUN)23751-032 ≣E20Ch Hungary
18Korchnoi Viktor (...2556Bykov Valery (RUS)23011-045 ≣E20Ch Leningrad
78Khodos German (RUS)2200Polgar Istvan (HUN)24251-030 ≣E20Olympiad (student...
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
33Marini LuisOlafsson Fridrik ...24340-137 ≣A17It
139Butze RolandWeder Erhard1-050 ≣E20corr.