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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
238Aleksandrov Aleks...2660Volzhin Alexander...24951-015 ≣E47It (open)
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
392Vegh Endre (HUN)2303Lenz Alarich (AUT)22271-016 ≣E20It (cat.1)08 Dec 2007
282Horvath Istvan (HUN)2195Markus Roland (GER)17720-116 ≣E47Tournament (IECG)
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
251Micheel Astrid (GER)2075Vinci Sebastiano1-017 ≣E47It (open)
146Holland Christoph...2270Chernin Alexander...25800-118 ≣A17It (open) \
347Li Ruofan (SIN)2398Zhao Xue (CHN)24780-118 ≣E46Zt (w)22 Oct 2005
436Bodyagin Anton (RUS)1826Mytarev Valeriy (...1-018 ≣E47Tournament (open)
65Piket Joop J (NED)2125Flesch Janos0-118 ≣E20It \
327Rodriguez Cordon ...2280Furio Zapata Robe...18261-018 ≣E20It11 Jul 2004
393Pirogov Vladislav...1693Sanatullin Rinat ...22030-118 ≣E20Tournament (Elo) \22 Dec 2007
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
340Grozdanic Goran (...2019Bilobrk Franjo (CRO)23950-119 ≣E46Cup Croatia (team)02 Jun 2005
426Kuluev Zagit (RUS)1984Shangaraev Ruzil ...1-019 ≣E20Ch Bashkortostan ...
302Santana Orlando (...2172Leitao Rafael (BRA)25260-119 ≣E20Cup Itau (open)
192Vretos VRytshagov Mikhail...24600-119 ≣E20It (open)
170Loiza Martin (ARG)2070Veron Jorge (ARG)18111-020 ≣E20It (open) \
272Banerjee Sushant ...2181Radha S R (IND)20341-020 ≣E41Ch Commonwealth
198Ivanov Igor V (CAN)2424Browne Walter S (...25351-020 ≣E41It \
136Haslinger Gareth ...2305Hanreck Alan E (ENG)22680-120 ≣E20It (open)
19Kotov Alexander A...2500Zografakis Aristidis1-020 ≣E47Olympiad
197Behrendt LCaldwell Justin1-021 ≣E20corr.
208Wright Neil (AUS)2183Pearce Nathan1-021 ≣E20Ch Australia (jun...20 Jan 1994
300Adams Nick A (USA)2197Shapiro Daniel E ...22891-021 ≣E41It (open) \
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
250Aleksandrov Aleks...2595Campora Daniel H ...25401-021 ≣E47It (open)
11Bronstein David I...2432Najdorf Miguel (POL)24451-021 ≣E20Tournament (candi...
413Swaraj Palit (IND)2140Sharma Dinesh K (...23760-121 ≣E20It (open)11 Jan 2009
144Rastas SeppoEkmark Raimo1-022 ≣E20?
252Hernando Rodrigo ...2285Sjodahl Pontus (SWE)24200-122 ≣E47It (open)
437Miquel Badenes In...1942Navarro Palma Jav...17630-122 ≣E20Ch Provincial (pr...02 Oct 2010
106Timman Jan H (NED)2605Polugaevsky Lev A...26200-122 ≣E41It (cat.15)
64Pachman Ludek (GER)2278Porath Yosef (ISR)23401-022 ≣E41Olympiad
140Markovic Gordana ...2257Drasko Milan (MNE)25050-122 ≣A40It (open)
163Whitt PEllis1-022 ≣E47corr.
44Polugaevsky Lev A...2585Furman Semyen A (...0-122 ≣E41Tournament
354Gonda Laszlo (HUN)2495Ilincic Zlatko (SRB)24511-022 ≣E46It (cat.7)04 Jun 2006
97Clarke Thomas (IRL)2137Keeshan Michael1-023 ≣E41It (open)
89Razzaghi ABehroozi Ev1-023 ≣E41Ch Iran
312Roubalik Vlastimi...2089Ginzburg Mikhail ...23460-123 ≣E20Memorial O.Duras ...
217Estremera Panos S...2320Garcia Carbo Marc...23150-123 ≣E41It (open)
202Macayo AisleyCuadras Avellana ...23101-023 ≣E46It (open)
254Jardi JSalov Valery (RUS)26700-123 ≣E41It (open) (active)
149Spycher Bernard2200Klauser Markus (SUI)23710-124 ≣E41Memorial Hans Klee
227Lueckemann KlausWuttke Bodo17721-024 ≣E20It (open)
292Unmack Christian ...2085Schmied Andreas (...21281-024 ≣E20It (open) \
448Feller Sebastien ...2666Shchekachev Andre...25371-024 ≣E46Ch France25 Aug 2011
167Chapman RogerStigar Petter (NOR)22980-124 ≣E20corr.
155RemensbergerMilosevic0-124 ≣E47Bundesliga 1989/90
191Levit Roman (USA)2275Lubojanski S1-024 ≣E41Ch Amateur Team
84Oestreich ReinhardUpmann H1-024 ≣E20Ch OWL
418Rosmuller Anton (...2112Vovk Yuri (UKR)25670-124 ≣E47It (open)03 Aug 2009
151Remensberger Paul...2065Milosevic Goran (...23490-124 ≣E47It (open)
37Botvinnik Mikhail...2307Averbakh Yuri L (...24451-024 ≣E47Game (training)
318Mester Gyula (HUN)2410Bernei Andras (HUN)22860-124 ≣E20Ch Hungary (team)...16 Feb 2003
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
133Vogel Robert (GER)2256Siegel Georg (GER)22731-025 ≣E20Bundesliga 1987/88
345Brujic Bozidar (SRB)2256Jovanovic Zivojin...23500-125 ≣E46It (open) \19 Aug 2005
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
176Hoi Carsten (DEN)2445Kveinys Aloyzas (...25451-025 ≣E47It (cat.9)
116Muir Andrew J (SCO)2311Motwani Paul (SCO)24940-125 ≣E41Ch Scotland
15Steiner Hermann (...Tramoyeres P1-025E20It
364Dobre Claudiu (ROM)2237Cioara Andrei Nes...24191-025 ≣A40Ch Romania28 Nov 2006
213Vigh Bela (HUN)2355Palkovi Jozsef (HUN)24700-125 ≣E41Ch Hungary (team)...
80Aijala Jouko (FIN)2133Damiron Dickson A1-025 ≣E41Ch World (team) (...04 Aug 1969
351Stoehrer Philip (...1996Komarov Dimitri (...25400-125 ≣E46It (open)
225Van Nordern HermanKaufmann Michael1-025 ≣E20?
331Ilic Dragan (SRB)2346Podlesnik Bogdan ...23630-125 ≣E41Ch SCG (team) (2 ...16 Sep 2004
1Enevoldsen Jens (...2350Andersen Erik Sr1-026 ≣E20
99WikmanBagnoli Paolo1-026 ≣E47Olympiad (corr.)
276Abreu Guilherme (...2076Reis Paulo F J (BRA)22800-126 ≣A40Cup Vila Velha
105Balashov Yuri S (...2545Gavrikov Viktor (...24851-026 ≣E41Ch URS (1 liga)
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
430Uwira Oliver (GER)2244Kvetny Mark (GER)19841-026 ≣E20Memorial Karl Mal...17 Jul 2010
156Elliston RJohnson Mark1-026 ≣E47corr.
328Moskalenko Viktor...2551Flores Vallcorba ...20711-026 ≣E20It (open)03 Aug 2004
20Ciejka TadeuszSzymanski Aleksander0-126 ≣E46Ch Poland
108Rau Juergen (GER)2152Zuchner1-026 ≣A15Ch DDR (corr.)
341Sharavdorj Dashze...2453Rensch Daniel (USA)23611-027 ≣E41It \12 Jun 2005
188Agrest Evgenij (SWE)2599Kiselev Sergey (RUS)24700-127 ≣E41It (a)
335Garcia Galeote Lo...2124Lopez Martinez Jo...24810-127 ≣E20It (open)05 Dec 2004
349Dimitrijevic Srdj...2282Andonov Bogomil (...24011-027 ≣A40It (open) \
189Haimovich Tal (ISR)2408Birnboim Nathan (...23691-027 ≣E41It (b)
175Gofshtein Zvulon ...2550Tompa Janos (HUN)23980-127 ≣E20It (open)
321Eriksson Johan (SWE)2423Sanden Stefan (SWE)23151-027 ≣E46Ch Sweden (team) ...07 Feb 2004
177Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23410-127 ≣E20Ch Europe (juniors)
94Doubleday WAmos Bruce M (CAN)23550-127 ≣E47Ch Canada
75Porreca Giorgio (...Dalla Villa Corrado1-027 ≣E20?
21Doda Zbigniew (POL)2345Brzozka Stefan (POL)1-027 ≣E20Ch Poland
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
382Georgiev Vladimir...2576Efimenko Zahar (UKR)26240-127 ≣A40It (open)26 Sep 2007
9De Freitas Marcio...Oliveira Washington1-027 ≣E41Ch Brazil
226Galeno GRossetti Mauro (ITA)21160-127 ≣E20Tournament (open)
263Mensch Etienne (FRA)2302Dub Zeev (ISR)21371-027 ≣E20It (cat.2)
409Berczes David (HUN)2514Wells Peter K (ENG)25161-027 ≣E20Ch England (team)...06 Dec 2008
49Weise DietrichNiephaus Walter (...1-028 ≣E46Ch BRD
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
266Ledig Horst1822Dezember Thomas1-028 ≣E20It (open) (5)
291Unmack Christian ...2085Palo Davor (DEN)24840-128 ≣E20It (open) \