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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
78Lehmann Klaus (GER)2349Janata Michael (CSR)24000-137 ≣E46Match \
118Hurme Harri M (FIN)2258Kekki Jorma (FIN)21000-134 ≣A40Ch Club
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
88Scholze JReschke Heinz0-130 ≣E47corr.
95Ivanov Igor V (CAN)2424Jussupow Artur (GER)24500-150 ≣E41Ch URS (1 liga)
113Korzubov Peter (BLR)2460Kharitonov Andrei...24600-144 ≣E47It
33Owens BenjaminSiegel Merrick0-135 ≣E46Ch Manhattan Ches...
55Luik Helmuth (EST)2209Klasups Karlis0-129 ≣E46Match \
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
79Knaak Rainer (GER)2482Sydor Andrzej (POL)23250-132 ≣E20It
94Doubleday WAmos Bruce M (CAN)23550-127 ≣E47Ch Canada
120Ker Anthony F (NZL)2344Hellers Ferdinand...24400-129 ≣E41Ch World (juniors...
136Haslinger Gareth ...2305Hanreck Alan E (ENG)22680-120 ≣E20It (open)
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
32Bondarevsky Igor ...Furman Semen (RUS)25500-142 ≣E41Ch URS (1/2 final)
44Polugaevsky Lev A...2585Furman Semyen A (...0-122 ≣E41Tournament
52Damjanovic Mato (...2303Lengyel Levente (...22930-143 ≣E20Olympiad
60Enigru (TUN)Kolarov Atanas S ...24150-135 ≣E20Olympiad
65Piket Joop J (NED)2125Flesch Janos0-118 ≣E20It \
69Kaminik Aleksanda...2168Kirilov Valentins...23390-129 ≣E20Ch URS (team)
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
325Derieux Christian...2159Hinks-Edwards Tho...23830-135 ≣E20Ch Paris (open)03 Jul 2004
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
93Vinke Dietmar (FIN)2218Busch Raimund (GER)23200-144 ≣E20Ch OWL
100Popovich Sviatosl...2233Abram Gary0-133 ≣E20World Tournament ...
101Pliester Leon (NED)2300Taulbut Shaun M (...23760-138 ≣E41It (open)
106Timman Jan H (NED)2605Polugaevsky Lev A...26200-122 ≣E41It (cat.15)
112Chekhov Valery A ...2520Sokolov Andrei (FRA)25050-130 ≣E47Ch URS
71Aloni IsaacMatanovic Aleksan...24900-148 ≣E41It
285Carrabeo Garcia M...2072Campora Daniel H ...25360-140 ≣E41It (open)
286Tsadzikidze Natia...2308Charkhalashvili I...23190-141 ≣E47Ch Georgia (junio...
29Estrada Degrandi ...Shocron Ruben (USA)22590-143 ≣E47Zt
35Szabo Laszlo (HUN)1903Smyslov Vassily (...24940-136 ≣A15Memorial A.Alekhine
40Rubio Aguado Fern...Letelier Rene (CHI)21510-141 ≣E20Zt
47Szabo Laszlo (HUN)1903Portisch Lajos (HUN)25230-141 ≣E41Ch Hungary (match)
48Cherepkov Alexand...2395Korchnoi Viktor (...25560-130 ≣E41Ch URS
254Jardi JSalov Valery (RUS)26700-123 ≣E41It (open) (active)
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
91Choon Foo LC2200Rossolimo Nichola...24500-133 ≣E47Olympiad
441Chmielarz Maciej ...1766Maiorov Nikita (BLR)25460-145E20Ch Europe (active)18 Dec 2010
372Blok Michiel (NED)2207Pliester Leon (NED)23960-126E20It (open)09 Jun 2007
67Littlewood Norman2328Gheorghiu Florin ...23830-119 ≣E20It
410Argandona Rivero ...2385Franco Alonso Ale...24900-148 ≣E20It (cat.10)13 Dec 2008
269Pons Sastre Santi...2328Kolev Atanas (BUL)25820-135 ≣E20It (open)
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
41Ciocaltea Viktor ...2420Geller Efim P (RUS)24550-129 ≣E41Memorial Przepiorka
24Voiculescu Paul (...2282Kholmov Ratmir D ...24320-131 ≣E46It
31LubenskyLazarev Efim M (UKR)24280-135 ≣E41Ch Ukraine
68Littlewood Norman2328Spassky Boris V (...25480-129 ≣E20It
374Voigt Detlev (GER)1914Ma Beini (GER)19530-116 ≣E20Ch Hamburg-Harbur...06 Jul 2007
442Santos Marcus Vin...2341Leitao Rafael (BRA)26220-117 ≣E20Memorial Antonio ...15 Jan 2011
83Yepez Trotzky (ECU)2180Moraza Manuel (PUR)21870-143 ≣E41Ch Pan-American
161Johansson Carl Fr...2192Wiedenkeller Mich...24730-133 ≣E47It (open)
10FlondorSzabo Sandor (HUN)20600-131 ≣E41Ch Romania
162Oertle MirkoRoederer Kai (GER)22180-128 ≣E20It (open)
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
252Hernando Rodrigo ...2285Sjodahl Pontus (SWE)24200-122 ≣E47It (open)
242Blasco Miguel (ESP)2241Pogorelov Ruslan ...24400-137 ≣E47It (open)
109Schreiber Hans (GER)1981Roisin L0-121 ≣E20Europe Tournament...
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
347Li Ruofan (SIN)2398Zhao Xue (CHN)24780-118 ≣E46Zt (w)22 Oct 2005
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 \
353Vennemann Juergen...1883Vogiatzis Joannis...20230-130 ≣E20Ch Mittelfranken ...12 Apr 2006
12Nevole Vladimir (...2051Ryppel0-133 ≣E20It (seniors)
54ZubietaHaygarth Michael ...23750-141 ≣E47Olympiad
22Donner Jan-Hein (...2430Matanovic Aleksan...24900-143 ≣E47It
209Oei Hway Ik (NED)2235Van Den Doel Erik...23050-140 ≣E41It (open)
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
338Guthrie David (NZL)2184Boyce G Michael (...20580-137 ≣E46Ch England (team)...09 Apr 2005
39Rubio Aguado Fern...Cuellar Gacharna ...22800-132 ≣E20It
18Mukhitdinov Mamad...Petrosian Tigran ...25800-149 ≣E47Match
201Aarland Stein Ari...2250Fyllingen Roy Har...23300-138 ≣E20Ch Norway (team) ...
20Ciejka TadeuszSzymanski Aleksander0-126 ≣E46Ch Poland
375Markzon Gregory (...2168Akobian Varuzhan ...25850-127 ≣E20Ch South America10 Jul 2007
362Vaisser Anatoly (...2553Lautier Joel (FRA)26560-149 ≣E46Ch France19 Aug 2006
223Slegl MGrecny K0-130 ≣E46Memorial Olexa (o...
265Lucchi VAssmann Thomas (GER)23350-134 ≣E46It (open)
447Colin Vincent (FRA)2410Fantinel Thibault...22660-135 ≣A40Ch France (access...20 Aug 2011
402Addison Bret (ENG)2266Gordon Stephen J ...25210-134 ≣E46Ch Great Britain04 Aug 2008
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
451Talsma Paul (NED)2246Howell David WL (...26030-130 ≣E20It (open)04 Jan 2012
320Chiong Luis (PHI)2381Zarnicki Pablo (ARG)25230-128 ≣E41Dos Hermanas Qual...16 Mar 2003
360Porper Eduard (CAN)2462Ganaus Hannes (AUT)23260-135 ≣E20It (open)01 Aug 2006
116Muir Andrew J (SCO)2311Motwani Paul (SCO)24940-125 ≣E41Ch Scotland
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
297Andrade Ulises (VEN)2246Pacheco Marco (PER)23530-139 ≣E46Ch Pan-American (...
383Rodrigo Edson (BRA)1962Gazel Cohen Perei...22500-139 ≣E47Ch Paulista12 Oct 2007
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)
8Botvinnik Mikhail...2630Reshevsky Samuel ...24300-142 ≣E41Ch World (match-t...
270Curi Gabriel (URU)2312Maiztegui L (URU)0-144 ≣E46Ch Uruguay
146Holland Christoph...2270Chernin Alexander...25800-118 ≣A17It (open) \
121McMahon Eric (IRL)2205Gil Capape Javier...23000-135 ≣E20Ch World (juniors...