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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
93Vinke Dietmar (FIN)2218Busch Raimund (GER)23200-144 ≣E20Ch OWL
144Rastas SeppoEkmark Raimo1-022 ≣E20?
30Goode RoyalHorberg Beng Eric1-031 ≣E20Ch Sweden (match)
86Brilla Banfalvi S...Huuskonen V (FIN)1-042 ≣E20?
124Ji Yunqi (CHN)2327Zhang Weida (CHN)24200-135 ≣E20Ch China
143Mustonen VesaTingander Ari-Pekka1-031E20?
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
27Geller Efim P (RUS)2455Furman Semen (RUS)25501-043 ≣E20Ch URS
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
85Lim Kok Ann Dr (SIN)2038Malagon Alberto22001-039 ≣E20Olympiad
100Popovich Sviatosl...2233Abram Gary0-133 ≣E20World Tournament ...
121McMahon Eric (IRL)2205Gil Capape Javier...23000-135 ≣E20Ch World (juniors...
134Bauerle PNoren K1-032 ≣E20Ch State Michigan...
141Lazic Marina (YUG)Negro Roberto19001-035 ≣E20It (open)
456Wang Doudou (CHN)2186Kojima Shinya (JPN)22640-144 ≣E20It \19 May 2012
57Tolush Alexander ...Kostro Jerzy (POL)23051-030 ≣E20It
247Birens Eric-Andre...1969Bes Stephane (FRA)20951-030 ≣E20Ch France (team) ...
25Maderna Carlos H ...Dodero Emilio (ARG)1-029 ≣E20Ch Argentina
53Diez Del Corral J...2415Rodriguez Gonzale...23551-044 ≣E20Olympiad
65Piket Joop J (NED)2125Flesch Janos0-118 ≣E20It \
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
84Oestreich ReinhardUpmann H1-024 ≣E20Ch OWL
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
325Derieux Christian...2159Hinks-Edwards Tho...23830-135 ≣E20Ch Paris (open)03 Jul 2004
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
119Pajarinen SamiVuori Jorma1-044 ≣E20Ch Finland (corr.)
330Taylor Timothy (USA)2291Bagheri Amir (FRA)24960-133 ≣E20It (open) \05 Sep 2004
125Rastas SeppoMolarius Reijo (FIN)1-031 ≣E20?
135Harwar Julie (ENG)2050Jackson Sheila (ENG)22451-038 ≣E20It \
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
62Spassky Boris V (...2548Bykov Valery (RUS)23011-040 ≣E20Tournament (team)
2Bondarevsky Igor ...Botvinnik Mikhail...26301-038 ≣E20Ch URS
360Porper Eduard (CAN)2462Ganaus Hannes (AUT)23260-135 ≣E20It (open)01 Aug 2006
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
40Rubio Aguado Fern...Letelier Rene (CHI)21510-141 ≣E20Zt
1Enevoldsen Jens (...2350Andersen Erik Sr1-026 ≣E20
227Lueckemann KlausWuttke Bodo17721-024 ≣E20It (open)
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
63Wehnert LutzBruemmer Ullrich1-041 ≣E20Ch DDR
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
69Kaminik Aleksanda...2168Kirilov Valentins...23390-129 ≣E20Ch URS (team)
74Littlewood Norman2328Hilton CG1-032 ≣E20Ch Great Britain
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
21Doda Zbigniew (POL)2345Brzozka Stefan (POL)1-027 ≣E20Ch Poland
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
103Kavnatsky Valenti...2305Kulbacki James1-030 ≣E20It (open)
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
136Haslinger Gareth ...2305Hanreck Alan E (ENG)22680-120 ≣E20It (open)
405Merino Araguas Jo...1880Rubio Mejia Luis ...23590-135 ≣E20It (open)20 Sep 2008
377Adams Nick A (USA)2220Gauri Shankar (IND)22510-147 ≣E20It (cat.2) (b)14 Jul 2007
201Aarland Stein Ari...2250Fyllingen Roy Har...23300-138 ≣E20Ch Norway (team) ...
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
249Valimamade Munir ...Casimiro Eduardo1-049 ≣E20Ch Portugal (team...
111Ravikumar Vaidyan...2385Levitt Jonathan (...24201-038 ≣E20It (open) \
269Pons Sastre Santi...2328Kolev Atanas (BUL)25820-135 ≣E20It (open)
431Hatzoudis Gerasim...1735Kolaric Spela (SLO)20411-047 ≣E20Ch Mediterranean ...01 Sep 2010
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
394Rej Tomek (AUS)2327Lazarus Ben (AUS)21720-142 ≣E20Ch Australia03 Jan 2008
221Dauner KarlBarsov Alexei (UZB)24700-146 ≣E20It (open)
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
444Avila Jimenez Jav...2279Rojas Keim Luis (...23570-146 ≣E20Tournament (open)27 May 2011
82Toth Bela (ITA)2345Balaskas Panayoti...20901-042 ≣E20Ch World (team) (...15 Aug 1969
415Berczes David (HUN)2519Csonka Attila (HUN)23421-040 ≣E20Ch Hungary (team)...22 Feb 2009
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
295Agdestein Simen (...2578Jenni Florian (SUI)25161-028 ≣E20Ch ICC (blitz) (f...
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
451Talsma Paul (NED)2246Howell David WL (...26030-130 ≣E20It (open)04 Jan 2012
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
17Szilagyi Gyorgy (...2370Szabo Stefan1-046 ≣E20It
4Mikenas Vladas I ...2405Vulfson V Sr1-031 ≣E20It
98Flockert Ruediger...2140Kreie Guenther (GER)19391-039 ≣E20Ch OWL
15Steiner Hermann (...Tramoyeres P1-025E20It
50Heuer Valter (EST)2285Kliavinsh Y (LAT)1-034 ≣E20Tournament (Cand....
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
61Kristinsson (ISL)Luginbuhl Erwin (...23701-033 ≣E20Olympiad
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
133Vogel Robert (GER)2256Siegel Georg (GER)22731-025 ≣E20Bundesliga 1987/88
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
324Agdestein Simen (...2589Heim Sverre (NOR)23411-047 ≣E20Ch Norway (team) ...22 May 2004
3Cruz Walter Oswal...Trompowsky Octavio1-036 ≣E20Ch Brazil (match)
75Porreca Giorgio (...Dalla Villa Corrado1-027 ≣E20?
76Kazilaris Nikolao...2181Pritchett Craig W...23431-035 ≣E20Ch World (team) (...21 Jul 1968
152Meira Wagner2086Goncalves Tasso19771-033 ≣E20Ch Brasiliense
410Argandona Rivero ...2385Franco Alonso Ale...24900-148 ≣E20It (cat.10)13 Dec 2008
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
11Bronstein David I...2432Najdorf Miguel (POL)24451-021 ≣E20Tournament (candi...
145Birens Eric-Andre...1969Harovelo Ingmar (...22510-137 ≣E20Ch France (qual)