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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
143Mustonen VesaTingander Ari-Pekka1-031E20?
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
86Brilla Banfalvi S...Huuskonen V (FIN)1-042 ≣E20?
125Rastas SeppoMolarius Reijo (FIN)1-031 ≣E20?
225Van Nordern HermanKaufmann Michael1-025 ≣E20?
144Rastas SeppoEkmark Raimo1-022 ≣E20?
75Porreca Giorgio (...Dalla Villa Corrado1-027 ≣E20?
395Eckert Leo1893Becker Alexander ...19370-138E20Bayern Regionalli...17 Feb 2008
133Vogel Robert (GER)2256Siegel Georg (GER)22731-025 ≣E20Bundesliga 1987/88
25Maderna Carlos H ...Dodero Emilio (ARG)1-029 ≣E20Ch Argentina
274Casocobos MartinezSegurado Garcia M...19200-134 ≣E20Ch Asturia (team)...
394Rej Tomek (AUS)2327Lazarus Ben (AUS)21720-142 ≣E20Ch Australia03 Jan 2008
208Wright Neil (AUS)2183Pearce Nathan1-021 ≣E20Ch Australia (jun...20 Jan 1994
182Berger Falk1753Fobbe Ottmar1-028 ≣E20Ch Bahn (G)
426Kuluev Zagit (RUS)1984Shangaraev Ruzil ...1-019 ≣E20Ch Bashkortostan ...
152Meira Wagner2086Goncalves Tasso19771-033 ≣E20Ch Brasiliense
421Nunes Allan Hurba...1976Oliveira Silvio E...23570-129 ≣E20Ch Brazil (1/2 fi...02 Nov 2009
3Cruz Walter Oswal...Trompowsky Octavio1-036 ≣E20Ch Brazil (match)
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
124Ji Yunqi (CHN)2327Zhang Weida (CHN)24200-135 ≣E20Ch China
459Lepine CedricKovaliov Anton (ARG)26140-136 ≣E20Ch City (open)07 Sep 2012
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
63Wehnert LutzBruemmer Ullrich1-041 ≣E20Ch DDR
409Berczes David (HUN)2514Wells Peter K (ENG)25161-027 ≣E20Ch England (team)...06 Dec 2008
424Jobava Baadur (GEO)2710Neubauer Martin (...24281-036 ≣E20Ch Europe06 Mar 2010
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
385Derieux Christian...2165Milov Vadim (SUI)26800-132 ≣E20Ch Europe (blitz)26 Oct 2007
177Tihonov Jurij (BLR)2448Tzoumbas Anastasi...23410-127 ≣E20Ch Europe (juniors)
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
119Pajarinen SamiVuori Jorma1-044 ≣E20Ch Finland (corr.)
154RastasVinikka0-130 ≣E20Ch Finland (corr.)
145Birens Eric-Andre...1969Harovelo Ingmar (...22510-137 ≣E20Ch France (qual)
293Mourot Clara (FRA)1982Brunner Nicolas (...22590-140 ≣E20Ch France (team) ...
428Iglesias Joachim ...2244Cossin Sebastien ...25080-133 ≣E20Ch France (team) ...03 Jun 2010
247Birens Eric-Andre...1969Bes Stephane (FRA)20951-030 ≣E20Ch France (team) ...
267Mourot Clara (FRA)1982Buland Cynthia (FRA)1-037 ≣E20Ch France (team) ...
235Rost Van Tonninge...2280Weigel Herbert (GER)21181-044 ≣E20Ch Germany (senio...
74Littlewood Norman2328Hilton CG1-032 ≣E20Ch Great Britain
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
318Mester Gyula (HUN)2410Bernei Andras (HUN)22860-124 ≣E20Ch Hungary (team)...16 Feb 2003
415Berczes David (HUN)2519Csonka Attila (HUN)23421-040 ≣E20Ch Hungary (team)...22 Feb 2009
295Agdestein Simen (...2578Jenni Florian (SUI)25161-028 ≣E20Ch ICC (blitz) (f...
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
431Hatzoudis Gerasim...1735Kolaric Spela (SLO)20411-047 ≣E20Ch Mediterranean ...01 Sep 2010
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
324Agdestein Simen (...2589Heim Sverre (NOR)23411-047 ≣E20Ch Norway (team) ...22 May 2004
201Aarland Stein Ari...2250Fyllingen Roy Har...23300-138 ≣E20Ch Norway (team) ...
98Flockert Ruediger...2140Kreie Guenther (GER)19391-039 ≣E20Ch OWL
93Vinke Dietmar (FIN)2218Busch Raimund (GER)23200-144 ≣E20Ch OWL
84Oestreich ReinhardUpmann H1-024 ≣E20Ch OWL
325Derieux Christian...2159Hinks-Edwards Tho...23830-135 ≣E20Ch Paris (open)03 Jul 2004
21Doda Zbigniew (POL)2345Brzozka Stefan (POL)1-027 ≣E20Ch Poland
429Chmielarz Maciej ...1766Miszczak Mateusz ...19051-028 ≣E20Ch Poland (team) ...09 Jul 2010
249Valimamade Munir ...Casimiro Eduardo1-049 ≣E20Ch Portugal (team...
437Miquel Badenes In...1942Navarro Palma Jav...17630-122 ≣E20Ch Provincial (pr...02 Oct 2010
195Breiden RudiBuechler Franz0-144 ≣E20Ch RLP (seniors)
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
134Bauerle PNoren K1-032 ≣E20Ch State Michigan...
30Goode RoyalHorberg Beng Eric1-031 ≣E20Ch Sweden (match)
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
336Alm Hakan (SWE)2293Lundin Anders (SWE)22380-130 ≣E20Ch Sweden (team) ...26 Feb 2005
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
2Bondarevsky Igor ...Botvinnik Mikhail...26301-038 ≣E20Ch URS
27Geller Efim P (RUS)2455Furman Semen (RUS)25501-043 ≣E20Ch URS
69Kaminik Aleksanda...2168Kirilov Valentins...23390-129 ≣E20Ch URS (team)
255Du Huy PhongNgo Ngoc Quang (VIE)22851-032 ≣E20Ch Vietnam (active)
450Zhou Qiyu1726Furtado Ivana Maria20921-034 ≣E20Ch World (juniors...19 Nov 2011
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
334Swaraj Palit (IND)2172Prasanna K (IND)20961-034 ≣E20Ch World (juniors...22 Nov 2004
180Nakamura Ryuji (JPN)2186Masserey Yvan (SUI)23290-130 ≣E20Ch World (juniors...
121McMahon Eric (IRL)2205Gil Capape Javier...23000-135 ≣E20Ch World (juniors...
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
81Acosta Mariano (ARG)2000Hernandez Roman (...23751-046 ≣E20Ch World (team) (...08 Aug 1969
76Kazilaris Nikolao...2181Pritchett Craig W...23431-035 ≣E20Ch World (team) (...21 Jul 1968
82Toth Bela (ITA)2345Balaskas Panayoti...20901-042 ≣E20Ch World (team) (...15 Aug 1969
167Chapman RogerStigar Petter (NOR)22980-124 ≣E20corr.
157Hirsch RobertClough P0-129 ≣E20corr.
197Behrendt LCaldwell Justin1-021 ≣E20corr.
290Farrell RogerRout Ian Clive1-043 ≣E20Cup Doeberl
302Santana Orlando (...2172Leitao Rafael (BRA)25260-119 ≣E20Cup Itau (open)
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
396Uwira Oliver (GER)2302Legde Georg (GER)23470-145 ≣E20Hessenliga 2007/0830 Mar 2008
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
216Hoefker Mathias (...2262Henrich Thomas (GER)22220-150 ≣E20It
327Rodriguez Cordon ...2280Furio Zapata Robe...18261-018 ≣E20It11 Jul 2004
57Tolush Alexander ...Kostro Jerzy (POL)23051-030 ≣E20It
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
17Szilagyi Gyorgy (...2370Szabo Stefan1-046 ≣E20It
4Mikenas Vladas I ...2405Vulfson V Sr1-031 ≣E20It
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
15Steiner Hermann (...Tramoyeres P1-025E20It
301Miron Lucian-Cost...2131Popa Marian (ROM)20681-035 ≣E20It \
456Wang Doudou (CHN)2186Kojima Shinya (JPN)22640-144 ≣E20It \19 May 2012
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
135Harwar Julie (ENG)2050Jackson Sheila (ENG)22451-038 ≣E20It \
65Piket Joop J (NED)2125Flesch Janos0-118 ≣E20It \
355Weser Adam (USA)2100Friedman Josef (USA)22010-136 ≣E20It \01 Jul 2006