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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
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
39Vladimirov Boris ...2340Lein Anatoly (USA)22611-033 ≣E20Ch URS
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...
37Purdy Cecil J S (...Sarapu Ortvin (NZL)22551-037 ≣E20Ch Australia15 Oct 1960
80Petersen Sejer Ho...Hamann Svend (DEN)22981-041 ≣E20Ch Denmark
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
34Rutman Aleksandr ...2198Selevinski0-129 ≣E20Match \
127Hollis Adrian Swa...Steiner Josef (AUT)21161-039 ≣E20It (cat.7)
46Polugaevsky Lev A...2585Niephaus Walter (...1-046 ≣E20Ch Europe (team)
131Butze RolandGlausius G1-028 ≣E20World Tournament ...
132Diaconescu PaulPrieditis G1-026 ≣E20World Tournament ...
88Kort Jacob (NED)2153Tomson J0-119 ≣E20Ch World (students)
134Toliusis LBoness A1-029 ≣E20World Tournament ...
135Lempiainen HeimoKumpare Matti1-016 ≣E20?
136Pitkanen Juhani (...1724Inkinen Jorma0-124 ≣E20?
31Polugaevsky Lev A...2585Teschner Rudolf (...22951-038 ≣E20Match \
138Pyhala Antti (FIN)2305Martois Karl-Erik0-147 ≣E20?
139Butze RolandWeder Erhard1-050 ≣E20corr.
143Belistri Ubaldo (...2051Dienavorian Manue...22801-048 ≣E20Ch Uruguay
144Lempiainen HeimoValo Veikko0-130 ≣E20?
379Pomes Marcet Juan...2420Ortega JI1-032 ≣E20Ch Catalunia (team)
737Bozinovic Bogdan ...2207Schmid Jaroslav (...20521-042 ≣E20Ch Europe (for th...10 Jun 2011
730Bocharov Dmitry (...2582Andreikin Dmitry ...27050-142 ≣E20Ch Russia (active)25 Apr 2011
304Kilpi Teemu (FIN)2135Aseev Konstantin ...25600-137 ≣E20It (open)
323Manion Josh (USA)2400Herchalia1-040 ≣E20It (open)
751Van De Plassche B...2427Sprenger Jan Mich...25151-027 ≣E20It (open)21 Aug 2011
38Weise DietrichClemens Christian...23140-148 ≣E20Ch BRD
364Crouch Colin S (ENG)2410Kosten Anthony C ...25400-143 ≣E20It (open)
731Robertson J StuartHarley-Yeo Gareth...20061-029E20Ch England (team)...01 May 2011
715Cruz Cristhian (PER)2497Nikolashvili Gior...22941-039 ≣E20Ch World (juniors...24 Oct 2010
98Khodos German L (...Barczay Laszlo (HUN)23811-025 ≣E20Match \
801Coleman Teddy (USA)2379Shyam Nikil P (IND)25020-124 ≣E20It \06 Jul 2012
816Feofilova Elizaveta1748Marjanovics Annam...18810-123E20Ch Europe (junior...21 Aug 2012
333Andriana Anca (ROM)2102Peptan Corina-Isa...22550-124 ≣E20Ch Europe (junior...
30Schweber Samuel (...2348Eliskases Erich G...24300-129 ≣E20Ch Argentina
146Vladimirov Boris ...2340Gerasimov N (RUS)23551-021 ≣E20?
532Gaule Patrick (SUI)2150Trajkovic Predrag...24320-135 ≣E20It (open)
40Germek MilanDonner Jan-Hein (...24301-040 ≣E20It
787Simantsev Mikhail...2548Naumkin Igor (RUS)24430-141 ≣E20It (open)09 Mar 2012
756Volkov Sergey Vik...2607Naumkin Igor (RUS)24861-039 ≣E20It (open)13 Sep 2011
142Gutman Lev (GER)2450Uusi Gunnar (EST)24101-024 ≣E20?
340Yakovich Yuri (RUS)2515Pushkov Nikolai (...24851-042 ≣E20Ch Russia
270Yakovich Yuri (RUS)2560Serper Grigory (USA)24901-028 ≣E20Ch URS (swiss)
601Toth Ervin (HUN)2348Caruana Fabiano (...25940-149 ≣E20It (cat.8)07 Mar 2007
519Cutmore David A (...2092Boyce G Michael (...20571-041 ≣E20Ch England (team)...28 Mar 2004
557Palliser Richard ...2389Sundararajan Kida...24971-042 ≣E20It (open)01 Oct 2005
350Yakovich Yuri (RUS)2515Montecatine Rios ...23611-047 ≣E20It (open)
190Moskalenko Viktor...2435Yakovich Yuri (RUS)24501-031 ≣E20Ch URS
171Gutman Lev (GER)2485Farago Ivan (HUN)25101-040 ≣E20It
637Wiersma Eelke (NED)2414De Groote Ewoud (...22081-050 ≣E20Ch Netherlands (o...25 Jul 2008
149Brilla Banfalvi S...Morozov1-032 ≣E20Ch Europe (team) ...
151Mustelin JuhaniKuro Timo1-027 ≣E20?
152Bunke Wilfried (GER)2090Czikuhs HJ1-033 ≣E20corr.
153Kataev Simcho (RUS)2246Tavadian Hrachik ...23150-124 ≣E20Olympiad URS
155Uimonen Matti (FIN)2098Haggren Stig-Olof...20090-136 ≣E20?
156Vallifuoco Giovan...2155Ubezio Marco (ITA)21340-148 ≣E20It (open)
27Sanguinetti Raul ...2485Luckis Marcos22701-020 ≣E20It
163Pupols Viktors (USA)2155Wang Arthur D (USA)20901-025 ≣E20It \
164EsnaolaPiastowski Kurt (...19780-125 ≣E20corr.
32KondratievUnzicker Wolfgang...24330-139 ≣E20It
166Foulds EVWalters0-122 ≣E20Ch Great Britain ...
422Cano Sanchez Josu...2277Baron Rodriguez J...24091-041 ≣E20Ch Spain (team) (...
168Molenbroek HansFabri Ferenc (HUN)20550-138 ≣E20Olympiad (corr.)
404Dubinskaya M (UKR)2081Lomineishvili Mai...23500-147 ≣E20Ch Europe (junior...
170Ernst Thomas (SWE)2450Hansen Curt (DEN)25000-130 ≣E20Zt
79Kuzmin Gennadi P ...2417Keres Paul (EST)25800-120 ≣E20Ch URS
173Wallinger Manfred...2150Hofstetter Hans-J...22340-128 ≣E20Ch Bayern (b)
174Flum GHesse Gunter1-037 ≣E20Cup Baltic (corr.)
175Soderman BrorSopanen Pekka1-035 ≣E20?
176NeckelKrechlok1-040 ≣E20corr.
177Brinck-Claussen B...2263Kruszynski Wlodzi...23141-029 ≣E20It (open) \
24Sanguinetti Raul ...2485Wexler Bernardo (...1-040 ≣E20It
180Yrjola Jouni (FIN)2430Rantanen Yrjo A (...24101-044 ≣E20It
181Bykhovsky Avigdor...2434Solozhenkin Evgen...24891-029 ≣E20?
182Murshed Niaz (BAN)2415Farago Ivan (HUN)25201-028 ≣E20?
183Podat Vladimir (UKR)2318Gurevich Vladimir...24740-139 ≣E20Ch Ukraine (1/2 f...
43Gulbrandsen A V (...Wostin Rik H (BEL)22501-041 ≣E20Ch World (juniors)