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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
17Szilagyi Gyorgy (...2370Szabo Stefan1-046 ≣E20It
61Kristinsson (ISL)Luginbuhl Erwin (...23701-033 ≣E20Olympiad
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
431Hatzoudis Gerasim...1735Kolaric Spela (SLO)20411-047 ≣E20Ch Mediterranean ...01 Sep 2010
235Rost Van Tonninge...2280Weigel Herbert (GER)21181-044 ≣E20Ch Germany (senio...
119Pajarinen SamiVuori Jorma1-044 ≣E20Ch Finland (corr.)
147Marchand Erick (FRA)2185Hauchard Arnaud (...25470-130 ≣E20Tournament
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
81Acosta Mariano (ARG)2000Hernandez Roman (...23751-046 ≣E20Ch World (team) (...08 Aug 1969
241Wohlers-Armas Fri...2205Ikonnikov Vyaches...25500-132 ≣E20It (open)
133Vogel Robert (GER)2256Siegel Georg (GER)22731-025 ≣E20Bundesliga 1987/88
258Aaltio Erkki (FIN)2133Sammalvuo Tapani ...23930-147 ≣E20It (open)
182Berger Falk1753Fobbe Ottmar1-028 ≣E20Ch Bahn (G)
222Yurtaev Leonid (KGZ)2505Tunik Gennady (RUS)25151-034 ≣E20Memorial A.Zaitsev
330Taylor Timothy (USA)2291Bagheri Amir (FRA)24960-133 ≣E20It (open) \05 Sep 2004
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
125Rastas SeppoMolarius Reijo (FIN)1-031 ≣E20?
111Ravikumar Vaidyan...2385Levitt Jonathan (...24201-038 ≣E20It (open) \
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
11Bronstein David I...2432Najdorf Miguel (POL)24451-021 ≣E20Tournament (candi...
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
177Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23410-127 ≣E20Ch Europe (juniors)
395Eckert Leo1893Becker Alexander ...19370-138E20Bayern Regionalli...17 Feb 2008
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
400Markov Sergey (RUS)Khaziev Anvar (RUS)20600-132 ≣E20It (open)03 Jul 2008
141Lazic Marina (YUG)Negro Roberto19001-035 ≣E20It (open)
225Van Nordern HermanKaufmann Michael1-025 ≣E20?
208Wright Neil (AUS)2183Pearce Nathan1-021 ≣E20Ch Australia (jun...20 Jan 1994
93Vinke Dietmar (FIN)2218Busch Raimund (GER)23200-144 ≣E20Ch OWL
216Hoefker Mathias (...2262Henrich Thomas (GER)22220-150 ≣E20It
229Henry MachinAli Amir Idris1-030 ≣E20It (open)
263Mensch Etienne (FRA)2302Dub Zeev (ISR)21371-027 ≣E20It (cat.2)
226Galeno GRossetti Mauro (ITA)21160-127 ≣E20Tournament (open)
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
40Rubio Aguado Fern...Letelier Rene (CHI)21510-141 ≣E20Zt
134Bauerle PNoren K1-032 ≣E20Ch State Michigan...
197Behrendt LCaldwell Justin1-021 ≣E20corr.
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
227Lueckemann KlausWuttke Bodo17721-024 ≣E20It (open)
135Harwar Julie (ENG)2050Jackson Sheila (ENG)22451-038 ≣E20It \
1Enevoldsen Jens (...2350Andersen Erik Sr1-026 ≣E20
2Bondarevsky Igor ...Botvinnik Mikhail...26301-038 ≣E20Ch URS
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
143Mustonen VesaTingander Ari-Pekka1-031E20?
249Valimamade Munir ...Casimiro Eduardo1-049 ≣E20Ch Portugal (team...
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
152Meira Wagner2086Goncalves Tasso19771-033 ≣E20Ch Brasiliense
86Brilla Banfalvi S...Huuskonen V (FIN)1-042 ≣E20?
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
15Steiner Hermann (...Tramoyeres P1-025E20It
98Flockert Ruediger...2140Kreie Guenther (GER)19391-039 ≣E20Ch OWL
192Vretos VRytshagov Mikhail...24600-119 ≣E20It (open)
21Doda Zbigniew (POL)2345Brzozka Stefan (POL)1-027 ≣E20Ch Poland
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
410Argandona Rivero ...2385Franco Alonso Ale...24900-148 ≣E20It (cat.10)13 Dec 2008
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
360Porper Eduard (CAN)2462Ganaus Hannes (AUT)23260-135 ≣E20It (open)01 Aug 2006
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
451Talsma Paul (NED)2246Howell David WL (...26030-130 ≣E20It (open)04 Jan 2012
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
405Merino Araguas Jo...1880Rubio Mejia Luis ...23590-135 ≣E20It (open)20 Sep 2008
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
57Tolush Alexander ...Kostro Jerzy (POL)23051-030 ≣E20It
247Birens Eric-Andre...1969Bes Stephane (FRA)20951-030 ≣E20Ch France (team) ...
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
154RastasVinikka0-130 ≣E20Ch Finland (corr.)
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
27Geller Efim P (RUS)2455Furman Semen (RUS)25501-043 ≣E20Ch URS
103Kavnatsky Valenti...2305Kulbacki James1-030 ≣E20It (open)
30Goode RoyalHorberg Beng Eric1-031 ≣E20Ch Sweden (match)
195Breiden RudiBuechler Franz0-144 ≣E20Ch RLP (seniors)
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
84Oestreich ReinhardUpmann H1-024 ≣E20Ch OWL
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
50Heuer Valter (EST)2285Kliavinsh Y (LAT)1-034 ≣E20Tournament (Cand....
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
457Echeverry Maria Y...1880Lopez Carlos Manu...23020-133 ≣E20It (open)14 Jun 2012
310Babos Csaba (ROM)2253Meszaros Tamas (HUN)23641-041 ≣E20It (cat.1)
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad
53Diez Del Corral J...2415Rodriguez Gonzale...23551-044 ≣E20Olympiad
444Avila Jimenez Jav...2279Rojas Keim Luis (...23570-146 ≣E20Tournament (open)27 May 2011
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
136Haslinger Gareth ...2305Hanreck Alan E (ENG)22680-120 ≣E20It (open)
415Berczes David (HUN)2519Csonka Attila (HUN)23421-040 ≣E20Ch Hungary (team)...22 Feb 2009
166Harwar Julie (ENG)2050Christensen Wayne...21420-130 ≣E20It \
184Dauner KarlBender Stephan (GER)22651-038 ≣E20Liga North Baden
206Agrest Evgenij (SWE)2475Safholm Sten (SWE)20591-045 ≣E20It (open)
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
295Agdestein Simen (...2578Jenni Florian (SUI)25161-028 ≣E20Ch ICC (blitz) (f...
167Chapman RogerStigar Petter (NOR)22980-124 ≣E20corr.
74Littlewood Norman2328Hilton CG1-032 ≣E20Ch Great Britain
75Porreca Giorgio (...Dalla Villa Corrado1-027 ≣E20?
266Ledig Horst1822Dezember Thomas1-028 ≣E20It (open) (5)
333Foisor Mihaela-Ve...1929Karlovich Anastaz...21550-139 ≣E20It (w)19 Nov 2004