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Nimzo-Indian, Sämisch Variation, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. e3 c5 7. Bd3 Nc6

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
25Maderna Carlos H ...Dodero Emilio (ARG)1-029 ≣E20Ch Argentina
27Geller Efim P (RUS)2455Furman Semen (RUS)25501-043 ≣E20Ch URS
30Goode RoyalHorberg Beng Eric1-031 ≣E20Ch Sweden (match)
37Botvinnik Mikhail...2307Averbakh Yuri L (...24451-024 ≣E47Game (training)
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
53Diez Del Corral J...2415Rodriguez Gonzale...23551-044 ≣E20Olympiad
63Wehnert LutzBruemmer Ullrich1-041 ≣E20Ch DDR
64Pachman Ludek (GER)2278Porath Yosef (ISR)23401-022 ≣E41Olympiad
73Neamtu Serban-Con...2278Papapostolou Chri...20731-031 ≣E47Tournament (team)
74Littlewood Norman2328Hilton CG1-032 ≣E20Ch Great Britain
75Porreca Giorgio (...Dalla Villa Corrado1-027 ≣E20?
76Kazilaris Nikolao...2181Pritchett Craig W...23431-035 ≣E20Ch World (team) (...21 Jul 1968
84Oestreich ReinhardUpmann H1-024 ≣E20Ch OWL
86Brilla Banfalvi S...Huuskonen V (FIN)1-042 ≣E20?
87Shereshevski Mikh...2475Yuferov Sergey N ...24121-047 ≣E46Memorial A.Sokolsky
99WikmanBagnoli Paolo1-026 ≣E47Olympiad (corr.)
103Kavnatsky Valenti...2305Kulbacki James1-030 ≣E20It (open)
114Cvitan Ognjen (CRO)2450Gruenberg Hans-Ul...24701-040 ≣E41It (cat.9)
117Peltonen LeifBaranowski Tadeus...19721-032 ≣E41?
119Pajarinen SamiVuori Jorma1-044 ≣E20Ch Finland (corr.)
125Rastas SeppoMolarius Reijo (FIN)1-031 ≣E20?
132Pieterse Gert (NED)2400Langeweg Kick (NED)23091-030 ≣E46It (open)
134Bauerle PNoren K1-032 ≣E20Ch State Michigan...
135Harwar Julie (ENG)2050Jackson Sheila (ENG)22451-038 ≣E20It \
137Shereshevski Mikh...2475Piesina Gintautas...23901-047 ≣E41Ch URS (1/2 final)
141Lazic Marina (YUG)Negro Roberto19001-035 ≣E20It (open)
143Mustonen VesaTingander Ari-Pekka1-031E20?
144Rastas SeppoEkmark Raimo1-022 ≣E20?
156Elliston RJohnson Mark1-026 ≣E47corr.
159Zbikowski Wolfgan...2205Alexandria Nana (...23421-036 ≣E41Izt (w)
164Mujica JSadauskas Marcelo1-035 ≣E41corr.
165Golyak Isay G (USA)2229Walker Gary (ENG)19891-038 ≣E20Memorial Horowitz...
169Walton Jonathan S...2225Kiss Attila (HUN)23581-038 ≣E41It (open)
170Loiza Martin (ARG)2070Veron Jorge (ARG)18111-020 ≣E20It (open) \
176Hoi Carsten (DEN)2445Kveinys Aloyzas (...25451-025 ≣E47It (cat.9)
178Srokowski Jarosla...2410Siklosi Zoltan (HUN)23281-035 ≣E46It
179Maric Mirjana (SRB)2305Markovic Gordana ...22571-034 ≣E46Ch Yugoslavia (w)
182Berger Falk1753Fobbe Ottmar1-028 ≣E20Ch Bahn (G)
184Dauner KarlBender Stephan (GER)22651-038 ≣E20Liga North Baden
210Gurevich Mikhail ...2585Jackelen Thomas (...24051-033 ≣E41It (2)
189Haimovich Tal (ISR)2408Birnboim Nathan (...23691-027 ≣E41It (b)
190Jirjis FWard Th1-028 ≣E41Tournament (f)
191Levit Roman (USA)2275Lubojanski S1-024 ≣E41Ch Amateur Team
197Behrendt LCaldwell Justin1-021 ≣E20corr.
202Macayo AisleyCuadras Avellana ...23101-023 ≣E46It (open)
50Heuer Valter (EST)2285Kliavinsh Y (LAT)1-034 ≣E20Tournament (Cand....
205Lisko Frantisek (...2311Lipka Juraj (SVK)23751-043 ≣E41Slovak League 199...
206Agrest Evgenij (SWE)2475Safholm Sten (SWE)20591-045 ≣E20It (open)
208Wright Neil (AUS)2183Pearce Nathan1-021 ≣E20Ch Australia (jun...20 Jan 1994
211Hedman Erik (SWE)2320Cerneanu Norbert ...22701-049 ≣E47It (a) (cat.3)
214Aleksandrov Aleks...2525Dragomarezkij Evg...24751-047 ≣E41It (open)
219Agrest Evgenij (SWE)2475Astrom Goran (SWE)22901-040 ≣E41Ch Sweden (open)
220Agrest Evgenij (SWE)2475Sjoberg Mats (SWE)24501-033 ≣E46Cup Rilton
222Yurtaev Leonid (KGZ)2505Tunik Gennady (RUS)25151-034 ≣E20Memorial A.Zaitsev
225Van Nordern HermanKaufmann Michael1-025 ≣E20?
229Henry MachinAli Amir Idris1-030 ≣E20It (open)
230Karttunen Mika (FIN)2423Heinimaki Leo (FIN)20721-040 ≣E41It (open)
232Metge J Nigel (NZL)2160Sutherland John (...20551-029 ≣E41Ch New Zealand
233Menacher Manfred ...2270Loew Gerald (GER)22701-030 ≣E41Ch Bayern
235Rost Van Tonninge...2280Weigel Herbert (GER)21181-044 ≣E20Ch Germany (senio...
237Zaiatz Elena (RUS)2240Stubenrauch Steve...21051-028 ≣E41It (open)
238Aleksandrov Aleks...2660Volzhin Alexander...24951-015 ≣E47It (open)
245Paschall William ...2365Jagodzinski Andre...22151-034 ≣E47It (a)
250Aleksandrov Aleks...2595Campora Daniel H ...25401-021 ≣E47It (open)
251Micheel Astrid (GER)2075Vinci Sebastiano1-017 ≣E47It (open)
255Du Huy PhongNgo Ngoc Quang (VIE)22851-032 ≣E20Ch Vietnam (active)
256Winiwarter Felix ...2225Dorawa Bernhard (...19821-040 ≣E41Ch World (seniors)
259Ulko Jaroslav (RUS)2454Tunik Gennady (RUS)24471-033 ≣E46Cup Russia (open)
263Mensch Etienne (FRA)2302Dub Zeev (ISR)21371-027 ≣E20It (cat.2)
266Ledig Horst1822Dezember Thomas1-028 ≣E20It (open) (5)
267Mourot Clara (FRA)1982Buland Cynthia (FRA)1-037 ≣E20Ch France (team) ...
268Pyka Andreas (GER)2065Morsch Andreas17161-033 ≣E41It (open)
272Banerjee Sushant ...2181Radha S R (IND)20341-020 ≣E41Ch Commonwealth
278Amico Rosario (ITA)2007Colabrese Cary (ITA)15841-038E41It (open) (b)27 Aug 2000
287Moskalenko Viktor...2522Campos Moreno Jav...25001-045 ≣E46Ch Catalunia15 Apr 2001
289Jugow Alexander (...2266Biller Helmut Dr ...21891-033 ≣E41Ch Hessen (seniors)
290Farrell RogerRout Ian Clive1-043 ≣E20Cup Doeberl
292Unmack Christian ...2085Schmied Andreas (...21281-024 ≣E20It (open) \
294Norri Joose (FIN)2403Agopov Mikael (FIN)23761-028 ≣E41Ch Finland
298Ballon Guenther J...2219Westerkamp Bert (...21431-037 ≣E20It (open)
299Aleksandrov Aleks...2633Izoria Zviad (GEO)25651-030 ≣E47It (open) \
305Nguyen Huynh Minh...2456Tran Minh Tung1-028 ≣E41Ch Vietnam (junio...27 Jul 2002
356Li Ruofan (SIN)2391Kuang Yinghui (CHN)23031-033 ≣E41Ch China (w)04 Jul 2006
306Jacob Gunnar (GER)2226Fleischer Andre (...20681-047 ≣E46Ch NRW (1 liga)08 Dec 2002
309Riedel Holger Dr ...2284Bogner Norbert (GER)20721-030 ≣E20It (open)
310Babos Csaba (ROM)2253Meszaros Tamas (HUN)23641-041 ≣E20It (cat.1)
311Taylor Timothy (USA)2291Berczes David (HUN)23211-043 ≣E20It (cat.8)
319Adams Nick A (USA)2212Demaria Juan Pabl...22601-031E41Dos Hermanas Qual...14 Mar 2003
323Ehlvest Jaan (USA)2631Kacheishvili Gior...25991-034 ≣E47Tournament \30 Mar 2004
326Zaiatz Elena (RUS)2400Kovalevskaya Ekat...24711-035 ≣E47Ch Russia (w)04 Jul 2004
327Rodriguez Cordon ...2280Furio Zapata Robe...18261-018 ≣E20It11 Jul 2004
328Moskalenko Viktor...2551Flores Vallcorba ...20711-026 ≣E20It (open)03 Aug 2004
329Pedersen Nicolai ...2466Peek Maurice (NED)23431-043 ≣E46It (open)10 Aug 2004
334Swaraj Palit (IND)2172Prasanna K (IND)20961-034 ≣E20Ch World (juniors...22 Nov 2004
339Otero Diasmany (CUB)2414Hernandez Holden ...24831-047 ≣E47Ch Cuba (Gr. B)10 Apr 2005
343Santos Marcus Vin...2353Lopez Gonzalez Da...22451-041 ≣E41It (cat.3)09 Jul 2005
348Li Ruofan (SIN)2398Hou Yifan (CHN)22201-049 ≣E46Zt (w)24 Oct 2005
350Santos Marcus Vin...2353Mekhitarian Kriko...22801-046 ≣E46Ch Brazil20 Dec 2005
354Gonda Laszlo (HUN)2495Ilincic Zlatko (SRB)24511-022 ≣E46It (cat.7)04 Jun 2006
359Moskalenko Viktor...2543Lettieri Giuseppe...23061-046 ≣E20It (open)