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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
71Aloni IsaacMatanovic Aleksan...24900-148 ≣E41It
302Santana Orlando (...2172Leitao Rafael (BRA)25260-119 ≣E20Cup Itau (open)
352Rink Christian (GER)2140Weigel Robert Dr ...22330-149 ≣E41Bayern Landesliga...19 Feb 2006
318Mester Gyula (HUN)2410Bernei Andras (HUN)22860-124 ≣E20Ch Hungary (team)...16 Feb 2003
18Mukhitdinov Mamad...Petrosian Tigran ...25800-149 ≣E47Match
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...
254Jardi JSalov Valery (RUS)26700-123 ≣E41It (open) (active)
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
215Guseinov Aidyn (AZE)2425Tunik Gennady (RUS)25150-141 ≣E41It (open) \
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
242Blasco Miguel (ESP)2241Pogorelov Ruslan ...24400-137 ≣E47It (open)
404Blengino Luca (ITA)1886Bonade Massimo (ITA)21180-140 ≣E20It (open)05 Sep 2008
342Beliavsky Alexand...2631Nisipeanu Liviu-D...27070-149 ≣E46Ch Europe01 Jul 2005
347Li Ruofan (SIN)2398Zhao Xue (CHN)24780-118 ≣E46Zt (w)22 Oct 2005
24Voiculescu Paul (...2282Kholmov Ratmir D ...24320-131 ≣E46It
325Derieux Christian...2159Hinks-Edwards Tho...23830-135 ≣E20Ch Paris (open)03 Jul 2004
456Wang Doudou (CHN)2186Kojima Shinya (JPN)22640-144 ≣E20It \19 May 2012
161Johansson Carl Fr...2192Wiedenkeller Mich...24730-133 ≣E47It (open)
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
101Pliester Leon (NED)2300Taulbut Shaun M (...23760-138 ≣E41It (open)
285Carrabeo Garcia M...2072Campora Daniel H ...25360-140 ≣E41It (open)
330Taylor Timothy (USA)2291Bagheri Amir (FRA)24960-133 ≣E20It (open) \05 Sep 2004
209Oei Hway Ik (NED)2235Van Den Doel Erik...23050-140 ≣E41It (open)
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
147Marchand Erick (FRA)2185Hauchard Arnaud (...25470-130 ≣E20Tournament
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
265Lucchi VAssmann Thomas (GER)23350-134 ≣E46It (open)
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
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
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
252Hernando Rodrigo ...2285Sjodahl Pontus (SWE)24200-122 ≣E47It (open)
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
383Rodrigo Edson (BRA)1962Gazel Cohen Perei...22500-139 ≣E47Ch Paulista12 Oct 2007
5Schmidt Paul F (EST)Bogoljubow Efim D...0-131 ≣E47It
6Ivanov Pavel (RUS)2002Piskov Kamen0-129 ≣E41Ch Bulgaria
126Way J2300Nielsen Henning (...21130-137 ≣E46It (open) \
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
128Dickenson Neil F ...2245Karolyi Tibor Jr ...24350-130 ≣E41It \
129Pyrich George (SCO)2014Morrison Graham (...23390-141 ≣E46Ch Scotland
155RemensbergerMilosevic0-124 ≣E47Bundesliga 1989/90
123Chachere Lawrence...2305Kudrin Sergey (USA)25150-149 ≣E46It (open) \
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
154RastasVinikka0-130 ≣E20Ch Finland (corr.)
22Donner Jan-Hein (...2430Matanovic Aleksan...24900-143 ≣E47It
223Slegl MGrecny K0-130 ≣E46Memorial Olexa (o...
188Agrest Evgenij (SWE)2599Kiselev Sergey (RUS)24700-127 ≣E41It (a)
381Yelmarova Natavan...1854Steil-Antoni Fion...21040-137 ≣E20Ch Europe (junior...14 Sep 2007
418Rosmuller Anton (...2112Vovk Yuri (UKR)25670-124 ≣E47It (open)03 Aug 2009
360Porper Eduard (CAN)2462Ganaus Hannes (AUT)23260-135 ≣E20It (open)01 Aug 2006
337Pedersen Nicolai ...2496Hansen Curt (DEN)26070-131 ≣E46Ch Denmark (KO-sy...24 Mar 2005
195Breiden RudiBuechler Franz0-144 ≣E20Ch RLP (seniors)
425Ipatov Alexander ...2521Drenchev Petar (BUL)25080-132 ≣E41Memorial Asenova-...23 Apr 2010
51Rotstein Efim (GER)2341Lazarev Efim M (UKR)24280-132 ≣E47Ch Ukraine
168Mendoza Contreras...2310Urday Henry (PER)24820-125 ≣E20It (open)
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
286Tsadzikidze Natia...2308Charkhalashvili I...23190-141 ≣E47Ch Georgia (junio...
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
8Botvinnik Mikhail...2630Reshevsky Samuel ...24300-142 ≣E41Ch World (match-t...
253Ahonen PekkaHaapasalo Jukka-P...20840-150 ≣E41It (open)
29Estrada Degrandi ...Shocron Ruben (USA)22590-143 ≣E47Zt
405Merino Araguas Jo...1880Rubio Mejia Luis ...23590-135 ≣E20It (open)20 Sep 2008
32Bondarevsky Igor ...Furman Semen (RUS)25500-142 ≣E41Ch URS (1/2 final)
33Owens BenjaminSiegel Merrick0-135 ≣E46Ch Manhattan Ches...
377Adams Nick A (USA)2220Gauri Shankar (IND)22510-147 ≣E20It (cat.2) (b)14 Jul 2007
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
44Polugaevsky Lev A...2585Furman Semyen A (...0-122 ≣E41Tournament
48Cherepkov Alexand...2395Korchnoi Viktor (...25560-130 ≣E41Ch URS
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad
261Hupp FabricioDa Silva Eduardo ...0-131 ≣E41It \
55Luik Helmuth (EST)2209Klasups Karlis0-129 ≣E46Match \
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
362Vaisser Anatoly (...2553Lautier Joel (FRA)26560-149 ≣E46Ch France19 Aug 2006
243Bowerman RobertTaylor Gordon (CAN)23300-144 ≣E41It (open)
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) (...
88Scholze JReschke Heinz0-130 ≣E47corr.
20Ciejka TadeuszSzymanski Aleksander0-126 ≣E46Ch Poland
444Avila Jimenez Jav...2279Rojas Keim Luis (...23570-146 ≣E20Tournament (open)27 May 2011
273Brunner Nicolas (...2170Roser Kevin (FRA)23190-141 ≣E41It (open)
31LubenskyLazarev Efim M (UKR)24280-135 ≣E41Ch Ukraine
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
83Yepez Trotzky (ECU)2180Moraza Manuel (PUR)21870-143 ≣E41Ch Pan-American
240Lomineishvili Mai...2350Yakovich Yuri (RUS)26100-128 ≣E41Cup Russia (open)
338Guthrie David (NZL)2184Boyce G Michael (...20580-137 ≣E46Ch England (team)...09 Apr 2005
386Rodrigo Edson (BRA)1962Zampronha Wladimi...21430-136 ≣E47Tournament (Elo)03 Nov 2007