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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
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
288Scharping Hans-Ma...2125Schenk Andreas (GER)24780-147 ≣A40It (open) \
161Johansson Carl Fr...2192Wiedenkeller Mich...24730-133 ≣E47It (open)
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
358Foisor Mihaela-Ve...1981Hanley Craig (ENG)24270-150 ≣A40It (open)30 Jul 2006
302Santana Orlando (...2172Leitao Rafael (BRA)25260-119 ≣E20Cup Itau (open)
285Carrabeo Garcia M...2072Campora Daniel H ...25360-140 ≣E41It (open)
337Pedersen Nicolai ...2496Hansen Curt (DEN)26070-131 ≣E46Ch Denmark (KO-sy...24 Mar 2005
209Oei Hway Ik (NED)2235Van Den Doel Erik...23050-140 ≣E41It (open)
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
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
383Rodrigo Edson (BRA)1962Gazel Cohen Perei...22500-139 ≣E47Ch Paulista12 Oct 2007
146Holland Christoph...2270Chernin Alexander...25800-118 ≣A17It (open) \
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
201Aarland Stein Ari...2250Fyllingen Roy Har...23300-138 ≣E20Ch Norway (team) ...
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
330Taylor Timothy (USA)2291Bagheri Amir (FRA)24960-133 ≣E20It (open) \05 Sep 2004
252Hernando Rodrigo ...2285Sjodahl Pontus (SWE)24200-122 ≣E47It (open)
140Markovic Gordana ...2257Drasko Milan (MNE)25050-122 ≣A40It (open)
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
270Curi Gabriel (URU)2312Maiztegui L (URU)0-144 ≣E46Ch Uruguay
5Schmidt Paul F (EST)Bogoljubow Efim D...0-131 ≣E47It
6Ivanov Pavel (RUS)2002Piskov Kamen0-129 ≣E41Ch Bulgaria
7Denker Arnold S (...2293Smyslov Vassily (...24940-143 ≣E47Match \
269Pons Sastre Santi...2328Kolev Atanas (BUL)25820-135 ≣E20It (open)
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
71Aloni IsaacMatanovic Aleksan...24900-148 ≣E41It
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
112Chekhov Valery A ...2520Sokolov Andrei (FRA)25050-130 ≣E47Ch URS
116Muir Andrew J (SCO)2311Motwani Paul (SCO)24940-125 ≣E41Ch Scotland
118Hurme Harri M (FIN)2258Kekki Jorma (FIN)21000-134 ≣A40Ch Club
394Rej Tomek (AUS)2327Lazarus Ben (AUS)21720-142 ≣E20Ch Australia03 Jan 2008
362Vaisser Anatoly (...2553Lautier Joel (FRA)26560-149 ≣E46Ch France19 Aug 2006
223Slegl MGrecny K0-130 ≣E46Memorial Olexa (o...
221Dauner KarlBarsov Alexei (UZB)24700-146 ≣E20It (open)
447Colin Vincent (FRA)2410Fantinel Thibault...22660-135 ≣A40Ch France (access...20 Aug 2011
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
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
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
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
297Andrade Ulises (VEN)2246Pacheco Marco (PER)23530-139 ≣E46Ch Pan-American (...
149Spycher Bernard2200Klauser Markus (SUI)23710-124 ≣E41Memorial Hans Klee
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)
122Remlinger Larry (...2380Larsen Bent (DEN)25650-142E46It (open)
153Gast Jonathan (SUI)2209Kosiol0-148 ≣E41corr.
286Tsadzikidze Natia...2308Charkhalashvili I...23190-141 ≣E47Ch Georgia (junio...
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
175Gofshtein Zvulon ...2550Tompa Janos (HUN)23980-127 ≣E20It (open)
29Estrada Degrandi ...Shocron Ruben (USA)22590-143 ≣E47Zt
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
32Bondarevsky Igor ...Furman Semen (RUS)25500-142 ≣E41Ch URS (1/2 final)
33Owens BenjaminSiegel Merrick0-135 ≣E46Ch Manhattan Ches...
35Szabo Laszlo (HUN)1903Smyslov Vassily (...24940-136 ≣A15Memorial A.Alekhine
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
78Lehmann Klaus (GER)2349Janata Michael (CSR)24000-137 ≣E46Match \
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
18Mukhitdinov Mamad...Petrosian Tigran ...25800-149 ≣E47Match
195Breiden RudiBuechler Franz0-144 ≣E20Ch RLP (seniors)
44Polugaevsky Lev A...2585Furman Semyen A (...0-122 ≣E41Tournament
48Cherepkov Alexand...2395Korchnoi Viktor (...25560-130 ≣E41Ch URS
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad
10FlondorSzabo Sandor (HUN)20600-131 ≣E41Ch Romania
55Luik Helmuth (EST)2209Klasups Karlis0-129 ≣E46Match \
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
91Choon Foo LC2200Rossolimo Nichola...24500-133 ≣E47Olympiad
155RemensbergerMilosevic0-124 ≣E47Bundesliga 1989/90
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.
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
241Wohlers-Armas Fri...2205Ikonnikov Vyaches...25500-132 ≣E20It (open)
243Bowerman RobertTaylor Gordon (CAN)23300-144 ≣E41It (open)
248Muttoni Guillermo...Gyimesi Zoltan (HUN)25250-133 ≣E41?
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
83Yepez Trotzky (ECU)2180Moraza Manuel (PUR)21870-143 ≣E41Ch Pan-American
242Blasco Miguel (ESP)2241Pogorelov Ruslan ...24400-137 ≣E47It (open)
338Guthrie David (NZL)2184Boyce G Michael (...20580-137 ≣E46Ch England (team)...09 Apr 2005
273Brunner Nicolas (...2170Roser Kevin (FRA)23190-141 ≣E41It (open)
315Zaiatz Elena (RUS)2400Khurtsidze Nino (...23990-150 ≣E47Ch Europe (w)
276Abreu Guilherme (...2076Reis Paulo F J (BRA)22800-126 ≣A40Cup Vila Velha
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
93Vinke Dietmar (FIN)2218Busch Raimund (GER)23200-144 ≣E20Ch OWL
94Doubleday WAmos Bruce M (CAN)23550-127 ≣E47Ch Canada
342Beliavsky Alexand...2631Nisipeanu Liviu-D...27070-149 ≣E46Ch Europe01 Jul 2005