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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
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
157Hirsch RobertClough P0-129 ≣E20corr.
11Bronstein David I...2432Najdorf Miguel (POL)24451-021 ≣E20Tournament (candi...
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
266Ledig Horst1822Dezember Thomas1-028 ≣E20It (open) (5)
241Wohlers-Armas Fri...2205Ikonnikov Vyaches...25500-132 ≣E20It (open)
135Harwar Julie (ENG)2050Jackson Sheila (ENG)22451-038 ≣E20It \
235Rost Van Tonninge...2280Weigel Herbert (GER)21181-044 ≣E20Ch Germany (senio...
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
144Rastas SeppoEkmark Raimo1-022 ≣E20?
141Lazic Marina (YUG)Negro Roberto19001-035 ≣E20It (open)
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
451Talsma Paul (NED)2246Howell David WL (...26030-130 ≣E20It (open)04 Jan 2012
410Argandona Rivero ...2385Franco Alonso Ale...24900-148 ≣E20It (cat.10)13 Dec 2008
377Adams Nick A (USA)2220Gauri Shankar (IND)22510-147 ≣E20It (cat.2) (b)14 Jul 2007
255Du Huy PhongNgo Ngoc Quang (VIE)22851-032 ≣E20Ch Vietnam (active)
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
227Lueckemann KlausWuttke Bodo17721-024 ≣E20It (open)
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
444Avila Jimenez Jav...2279Rojas Keim Luis (...23570-146 ≣E20Tournament (open)27 May 2011
406Lazkano Gaite Tom...1776Spassov Liuben (BUL)24170-143 ≣E20It (open)20 Sep 2008
111Ravikumar Vaidyan...2385Levitt Jonathan (...24201-038 ≣E20It (open) \
1Enevoldsen Jens (...2350Andersen Erik Sr1-026 ≣E20
136Haslinger Gareth ...2305Hanreck Alan E (ENG)22680-120 ≣E20It (open)
154RastasVinikka0-130 ≣E20Ch Finland (corr.)
258Aaltio Erkki (FIN)2133Sammalvuo Tapani ...23930-147 ≣E20It (open)
267Mourot Clara (FRA)1982Buland Cynthia (FRA)1-037 ≣E20Ch France (team) ...
216Hoefker Mathias (...2262Henrich Thomas (GER)22220-150 ≣E20It
208Wright Neil (AUS)2183Pearce Nathan1-021 ≣E20Ch Australia (jun...20 Jan 1994
222Yurtaev Leonid (KGZ)2505Tunik Gennady (RUS)25151-034 ≣E20Memorial A.Zaitsev
197Behrendt LCaldwell Justin1-021 ≣E20corr.
394Rej Tomek (AUS)2327Lazarus Ben (AUS)21720-142 ≣E20Ch Australia03 Jan 2008
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
15Steiner Hermann (...Tramoyeres P1-025E20It
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
21Doda Zbigniew (POL)2345Brzozka Stefan (POL)1-027 ≣E20Ch Poland
221Dauner KarlBarsov Alexei (UZB)24700-146 ≣E20It (open)
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
249Valimamade Munir ...Casimiro Eduardo1-049 ≣E20Ch Portugal (team...
206Agrest Evgenij (SWE)2475Safholm Sten (SWE)20591-045 ≣E20It (open)
82Toth Bela (ITA)2345Balaskas Panayoti...20901-042 ≣E20Ch World (team) (...15 Aug 1969
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
456Wang Doudou (CHN)2186Kojima Shinya (JPN)22640-144 ≣E20It \19 May 2012
225Van Nordern HermanKaufmann Michael1-025 ≣E20?
360Porper Eduard (CAN)2462Ganaus Hannes (AUT)23260-135 ≣E20It (open)01 Aug 2006
415Berczes David (HUN)2519Csonka Attila (HUN)23421-040 ≣E20Ch Hungary (team)...22 Feb 2009
100Popovich Sviatosl...2233Abram Gary0-133 ≣E20World Tournament ...
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
62Spassky Boris V (...2548Bykov Valery (RUS)23011-040 ≣E20Tournament (team)
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
57Tolush Alexander ...Kostro Jerzy (POL)23051-030 ≣E20It
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
431Hatzoudis Gerasim...1735Kolaric Spela (SLO)20411-047 ≣E20Ch Mediterranean ...01 Sep 2010
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
40Rubio Aguado Fern...Letelier Rene (CHI)21510-141 ≣E20Zt
226Galeno GRossetti Mauro (ITA)21160-127 ≣E20Tournament (open)
27Geller Efim P (RUS)2455Furman Semen (RUS)25501-043 ≣E20Ch URS
165Golyak Isay G (USA)2229Walker Gary (ENG)19891-038 ≣E20Memorial Horowitz...
103Kavnatsky Valenti...2305Kulbacki James1-030 ≣E20It (open)
269Pons Sastre Santi...2328Kolev Atanas (BUL)25820-135 ≣E20It (open)
17Szilagyi Gyorgy (...2370Szabo Stefan1-046 ≣E20It
147Marchand Erick (FRA)2185Hauchard Arnaud (...25470-130 ≣E20Tournament
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
2Bondarevsky Igor ...Botvinnik Mikhail...26301-038 ≣E20Ch URS
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
50Heuer Valter (EST)2285Kliavinsh Y (LAT)1-034 ≣E20Tournament (Cand....
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
119Pajarinen SamiVuori Jorma1-044 ≣E20Ch Finland (corr.)
293Mourot Clara (FRA)1982Brunner Nicolas (...22590-140 ≣E20Ch France (team) ...
296Nesteruk DmitryTimofeev Vladimir...23310-136 ≣E20It (open)
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad
53Diez Del Corral J...2415Rodriguez Gonzale...23551-044 ≣E20Olympiad
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
63Wehnert LutzBruemmer Ullrich1-041 ≣E20Ch DDR
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
65Piket Joop J (NED)2125Flesch Janos0-118 ≣E20It \
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
69Kaminik Aleksanda...2168Kirilov Valentins...23390-129 ≣E20Ch URS (team)
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
133Vogel Robert (GER)2256Siegel Georg (GER)22731-025 ≣E20Bundesliga 1987/88
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
98Flockert Ruediger...2140Kreie Guenther (GER)19391-039 ≣E20Ch OWL
75Porreca Giorgio (...Dalla Villa Corrado1-027 ≣E20?
76Kazilaris Nikolao...2181Pritchett Craig W...23431-035 ≣E20Ch World (team) (...21 Jul 1968
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
324Agdestein Simen (...2589Heim Sverre (NOR)23411-047 ≣E20Ch Norway (team) ...22 May 2004
84Oestreich ReinhardUpmann H1-024 ≣E20Ch OWL
85Lim Kok Ann Dr (SIN)2038Malagon Alberto22001-039 ≣E20Olympiad
86Brilla Banfalvi S...Huuskonen V (FIN)1-042 ≣E20?
180Nakamura Ryuji (JPN)2186Masserey Yvan (SUI)23290-130 ≣E20Ch World (juniors...
195Breiden RudiBuechler Franz0-144 ≣E20Ch RLP (seniors)
3Cruz Walter Oswal...Trompowsky Octavio1-036 ≣E20Ch Brazil (match)
93Vinke Dietmar (FIN)2218Busch Raimund (GER)23200-144 ≣E20Ch OWL
229Henry MachinAli Amir Idris1-030 ≣E20It (open)
274Casocobos MartinezSegurado Garcia M...19200-134 ≣E20Ch Asturia (team)...