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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
297Andrade Ulises (VEN)2246Pacheco Marco (PER)23530-139 ≣E46Ch Pan-American (...
48Cherepkov Alexand...2395Korchnoi Viktor (...25560-130 ≣E41Ch URS
6Ivanov Pavel (RUS)2002Piskov Kamen0-129 ≣E41Ch Bulgaria
360Porper Eduard (CAN)2462Ganaus Hannes (AUT)23260-135 ≣E20It (open)01 Aug 2006
286Tsadzikidze Natia...2308Charkhalashvili I...23190-141 ≣E47Ch Georgia (junio...
47Szabo Laszlo (HUN)1903Portisch Lajos (HUN)25230-141 ≣E41Ch Hungary (match)
383Rodrigo Edson (BRA)1962Gazel Cohen Perei...22500-139 ≣E47Ch Paulista12 Oct 2007
5Schmidt Paul F (EST)Bogoljubow Efim D...0-131 ≣E47It
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
418Rosmuller Anton (...2112Vovk Yuri (UKR)25670-124 ≣E47It (open)03 Aug 2009
8Botvinnik Mikhail...2630Reshevsky Samuel ...24300-142 ≣E41Ch World (match-t...
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
33Owens BenjaminSiegel Merrick0-135 ≣E46Ch Manhattan Ches...
44Polugaevsky Lev A...2585Furman Semyen A (...0-122 ≣E41Tournament
209Oei Hway Ik (NED)2235Van Den Doel Erik...23050-140 ≣E41It (open)
410Argandona Rivero ...2385Franco Alonso Ale...24900-148 ≣E20It (cat.10)13 Dec 2008
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
252Hernando Rodrigo ...2285Sjodahl Pontus (SWE)24200-122 ≣E47It (open)
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
7Denker Arnold S (...2293Smyslov Vassily (...24940-143 ≣E47Match \
223Slegl MGrecny K0-130 ≣E46Memorial Olexa (o...
456Wang Doudou (CHN)2186Kojima Shinya (JPN)22640-144 ≣E20It \19 May 2012
51Rotstein Efim (GER)2341Lazarev Efim M (UKR)24280-132 ≣E47Ch Ukraine
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
347Li Ruofan (SIN)2398Zhao Xue (CHN)24780-118 ≣E46Zt (w)22 Oct 2005
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
29Estrada Degrandi ...Shocron Ruben (USA)22590-143 ≣E47Zt
32Bondarevsky Igor ...Furman Semen (RUS)25500-142 ≣E41Ch URS (1/2 final)
78Lehmann Klaus (GER)2349Janata Michael (CSR)24000-137 ≣E46Match \
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
41Ciocaltea Viktor ...2420Geller Efim P (RUS)24550-129 ≣E41Memorial Przepiorka
285Carrabeo Garcia M...2072Campora Daniel H ...25360-140 ≣E41It (open)
265Lucchi VAssmann Thomas (GER)23350-134 ≣E46It (open)
451Talsma Paul (NED)2246Howell David WL (...26030-130 ≣E20It (open)04 Jan 2012
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
31LubenskyLazarev Efim M (UKR)24280-135 ≣E41Ch Ukraine
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
358Foisor Mihaela-Ve...1981Hanley Craig (ENG)24270-150 ≣A40It (open)30 Jul 2006
337Pedersen Nicolai ...2496Hansen Curt (DEN)26070-131 ≣E46Ch Denmark (KO-sy...24 Mar 2005
71Aloni IsaacMatanovic Aleksan...24900-148 ≣E41It
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
362Vaisser Anatoly (...2553Lautier Joel (FRA)26560-149 ≣E46Ch France19 Aug 2006
40Rubio Aguado Fern...Letelier Rene (CHI)21510-141 ≣E20Zt
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
253Ahonen PekkaHaapasalo Jukka-P...20840-150 ≣E41It (open)
425Ipatov Alexander ...2521Drenchev Petar (BUL)25080-132 ≣E41Memorial Asenova-...23 Apr 2010
122Remlinger Larry (...2380Larsen Bent (DEN)25650-142E46It (open)
201Aarland Stein Ari...2250Fyllingen Roy Har...23300-138 ≣E20Ch Norway (team) ...
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
140Markovic Gordana ...2257Drasko Milan (MNE)25050-122 ≣A40It (open)
270Curi Gabriel (URU)2312Maiztegui L (URU)0-144 ≣E46Ch Uruguay
261Hupp FabricioDa Silva Eduardo ...0-131 ≣E41It \
269Pons Sastre Santi...2328Kolev Atanas (BUL)25820-135 ≣E20It (open)
20Ciejka TadeuszSzymanski Aleksander0-126 ≣E46Ch Poland
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
325Derieux Christian...2159Hinks-Edwards Tho...23830-135 ≣E20Ch Paris (open)03 Jul 2004
394Rej Tomek (AUS)2327Lazarus Ben (AUS)21720-142 ≣E20Ch Australia03 Jan 2008
221Dauner KarlBarsov Alexei (UZB)24700-146 ≣E20It (open)
320Chiong Luis (PHI)2381Zarnicki Pablo (ARG)25230-128 ≣E41Dos Hermanas Qual...16 Mar 2003
35Szabo Laszlo (HUN)1903Smyslov Vassily (...24940-136 ≣A15Memorial A.Alekhine
444Avila Jimenez Jav...2279Rojas Keim Luis (...23570-146 ≣E20Tournament (open)27 May 2011
101Pliester Leon (NED)2300Taulbut Shaun M (...23760-138 ≣E41It (open)
155RemensbergerMilosevic0-124 ≣E47Bundesliga 1989/90
240Lomineishvili Mai...2350Yakovich Yuri (RUS)26100-128 ≣E41Cup Russia (open)
330Taylor Timothy (USA)2291Bagheri Amir (FRA)24960-133 ≣E20It (open) \05 Sep 2004
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
402Addison Bret (ENG)2266Gordon Stephen J ...25210-134 ≣E46Ch Great Britain04 Aug 2008
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
188Agrest Evgenij (SWE)2599Kiselev Sergey (RUS)24700-127 ≣E41It (a)
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
315Zaiatz Elena (RUS)2400Khurtsidze Nino (...23990-150 ≣E47Ch Europe (w)
146Holland Christoph...2270Chernin Alexander...25800-118 ≣A17It (open) \
22Donner Jan-Hein (...2430Matanovic Aleksan...24900-143 ≣E47It
352Rink Christian (GER)2140Weigel Robert Dr ...22330-149 ≣E41Bayern Landesliga...19 Feb 2006
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
10FlondorSzabo Sandor (HUN)20600-131 ≣E41Ch Romania
54ZubietaHaygarth Michael ...23750-141 ≣E47Olympiad
91Choon Foo LC2200Rossolimo Nichola...24500-133 ≣E47Olympiad
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
254Jardi JSalov Valery (RUS)26700-123 ≣E41It (open) (active)
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
116Muir Andrew J (SCO)2311Motwani Paul (SCO)24940-125 ≣E41Ch Scotland
242Blasco Miguel (ESP)2241Pogorelov Ruslan ...24400-137 ≣E47It (open)
338Guthrie David (NZL)2184Boyce G Michael (...20580-137 ≣E46Ch England (team)...09 Apr 2005
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
24Voiculescu Paul (...2282Kholmov Ratmir D ...24320-131 ≣E46It
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
447Colin Vincent (FRA)2410Fantinel Thibault...22660-135 ≣A40Ch France (access...20 Aug 2011
161Johansson Carl Fr...2192Wiedenkeller Mich...24730-133 ≣E47It (open)
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
405Merino Araguas Jo...1880Rubio Mejia Luis ...23590-135 ≣E20It (open)20 Sep 2008
18Mukhitdinov Mamad...Petrosian Tigran ...25800-149 ≣E47Match
377Adams Nick A (USA)2220Gauri Shankar (IND)22510-147 ≣E20It (cat.2) (b)14 Jul 2007
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad