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Nimzo-Indian, 4.e3, Main line 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 c5 7. 0-0 Nc6 8. a3 Bxc3+ 9. bxc3 dxc4

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
217TothJavelle Gabriel1-037 ≣E47It (cat.6)
209Ketzscher Roland ...2085Jordan Garcia Jos...1-032 ≣E47corr.
205Corleo MargheritaZlebcik L0-138 ≣E47Ch Europe (team) ...
206MoranSantoro O1-031 ≣E47Ch Europe (team) ...
208Steiner Josef (AUT)2116Kauranen Risto0-130 ≣E47It (cat.7)
182Kausek KBubenik J1-037 ≣E47?
199Baart JoanWeyerstrass Ronal...0-148E41Match
179Klompus GrigoryRoskov V1-037 ≣E47corr.
202Steiner Josef (AUT)2116Yudovich Mikhail ...1-033 ≣E41corr.
165Averbakh Yuri L (...2445Rozhdestvensky V1-048 ≣E47Ch URS (team)
207Thapper RolandZlebcik L0-149 ≣E47Ch Europe (team) ...
195FehsingerSchlosser1-029 ≣E41Europe Tournament...
171Sychev AVlansky P1-049 ≣E47Ch URS (corr.)
138Omari FatosSafvat Younnus0-142 ≣E41Olympiad
108Uhlmann Wolfgang ...2379Lokvenc Josef (AUT)1-040 ≣E47It
105O'kelly De Galway...2460Secchi Ernesto1-042 ≣E41Ch World (corr.)
157MeeristePulliainen Erkki1-024 ≣E47Cup Baltic (corr.)
124Varnusz Egon (HUN)2345Flesch Janos0-142 ≣E46Ch Hungary
84Panno Oscar (ARG)2438Garcia Vera Romeo1-032 ≣E41Ch Argentina
223CaridiCarrettoni1-026 ≣E47corr.
123Galonska WIwaschin A1-046 ≣E41corr.
155EngelArlamowski Jerzy ...1-045 ≣E47Cup Baltic (corr.)
175Neumann AbrahamCabezudo Carlos1-026 ≣E46Ch World (juniors...
203Corleo GSchaetzel F0-124 ≣E47Ch Europe (corr.)
32Najdorf Miguel (POL)2445Salas Romo Julio ...1-031 ≣E47It
231Koski PekkaRantanen Veikko1-023 ≣E41?
146Jenik JHannemann H0-119 ≣E41Europe Tournament...
149Niemela IlmariSafvat Y1-029 ≣E41Olympiad
125Trmal Jaroslav (CZE)2184Altshul M1-035 ≣E47Ch Czechoslovakia
88Angos AlexanderSafvat Y0-121 ≣E10Olympiad
276Beutler MKuhn0-128 ≣E47corr.
8Vukovic Sava (YUG)Rabar Braslav (YUG)0-123 ≣E41Ch Yugoslavia
26Bronstein David I...2432Horberg Bengt-Eric1-033 ≣E41Olympiad
111Letelier Rene (CHI)2151Redolfi1-049 ≣E41?
136Petersons AndrejsVoitkevics P1-030 ≣E47Ch Latvia
64Thorbergsson Frey...2340Catozzi Henry (FRA)1-042 ≣E47Olympiad20 Sep 1956
33Uusi Gunnar (EST)2410Levenfish Grigori...1-028 ≣E41Ch Moscow
62Tserendagva D (MGL)Reissmann Paul (PRO)1-030 ≣E40Olympiad12 Sep 1956
51O'kelly De Galway...2460Rabar Braslav (YUG)1-030 ≣E47It
277Loschi EQuattrocchi Gaetano1-022E46?
99Sokolov Vladimir ...2310Lokvenc Josef (AUT)1-032 ≣E47It
53Kozma Julius (CSR)2380Lax Hendrich1-029 ≣E41Ch Czechoslovakia...
94Ravn PalleCatozzi H0-133 ≣E47Olympiad
110Ivkov Borislav (SRB)2416Wexler Bernardo (...1-040 ≣E41?
154Binkauskas BSalminsh Gedimins...0-139 ≣E47Cup Baltic (corr.)
128Ciesla SKowalczyk R1-024 ≣E47Ch Poland (corr.)
120Thorbergsson Frey...2340Humerez C0-132 ≣E41Olympiad
147Krutiansky Anatoly AZhdanov Igor0-127 ≣E41Ch Latvia
156Harjunpaa VeikkoTschernauskas0-134 ≣E41Cup Baltic (corr.)
117Schweber Samuel (...2348Reinhardt Enrique...1-046 ≣E47Ch Argentina (pla...
352Cenni F1620Alagna S0-125 ≣E46corr.
96Prokhorovich Taras ERovner Dmitry Osi...1-048 ≣E47Tournament
218Miettinen ReinoBjorkqvist Armas1-028 ≣E47corr.
233Uimonen Matti (FIN)2098Lampinen Juha1-032 ≣E47?
130Oikamo ReijoUitto Matti1-030 ≣E47?
70Furman Semen (RUS)2550Rovner Dmitry (RUS)1-023 ≣E47Ch Leningrad
7Vukovic Sava (YUG)Rabar Braslav (YUG)0-123 ≣E41Ch Yugoslavia
310Genovese ESleidinger GR1-040 ≣E46?
11Furman Semen (RUS)2550Kondratiev Pavel ...1-033 ≣E47Ch URS (1/2 final)
129Golemo EKowalczyk R1-036 ≣E47Ch Poland (corr.)
513Computer \Computer \1-047 ≣E47Tournament (compu...
455Bjornsson Bjorn F...2230Addison James1-029 ≣E21It \
204Pulieri PaoloMicka0-132 ≣E47Ch Europe (corr.)
344Jedrzejowski Maci...2064Hanusek G1-037 ≣E47?
5Martin Pedro (ARG)2021Souza Mendes Joao1-034 ≣E41Zt
196Karjarinta TapaniNurmi Toivo0-128 ≣E41?
302MolzahnSelke Horst1-035E47corr.
249Kaarlonen KaarloMettinen Timo1-031 ≣E47?
736Petrov Mikhail (RUS)Schott Raimund (FRA)0-138 ≣E47Verbandsliga Bade...06 Nov 2011
648Stegariu Vlad-Ionut1937Frusescu Dorian-C...1-041 ≣E40Ch Romania (juniors)12 Apr 2008
573Biswas KarlCarlucci Paul A0-150 ≣E41It (open) \23 Oct 2003
122Borisenko Georgy ...2354Kondratiev1-042 ≣E21It
361Felice AAlagna S1-032 ≣E47corr.
22Averbakh Yuri L (...2445Euwe Max (NED)1-045 ≣E41Tournament (candi...
27Cuellar Gacharna ...2280Vesterinen J1-043 ≣E41Olympiad
398Hoszowski PiotrNowak Z1-037 ≣E47Ch Poland (corr.)
119Borja MEuwe Max (NED)0-134 ≣E41Olympiad
172Kolarov Atanas S ...2415Sapunov Lilko1-028 ≣E41Ch Bulgaria01 Mar 1966
41Somers StafJorgensen Vagn Rauhe0-139 ≣E41Ch World (juniors...
279Easton Alex (SCO)2147Miles Jana0-135 ≣E47It (open)
59Ciocaltea Viktor ...2420Safvat Yousof (IRN)0-146 ≣E41Olympiad (sf)06 Sep 1956
24Reshevsky Samuel ...2430Euwe Max (NED)1-040 ≣E41Tournament (candi...
38Fuderer Andrija (...Rabar Braslav (YUG)0-139 ≣E47Ch Yugoslavia (ma...
55Dittmann SieghardSterner Olaf1-048 ≣E47It
12Moisieev Oleg L (...2385Byvshev Vasily Mi...1-034 ≣E41Ch URS
48Vladimirov Boris ...2340Lisitsyn Georgy (...0-133 ≣E41Ch URS (1/2 final)
480Cody Philip CMary Patrick0-145 ≣E47?
50Palmason Gudmundu...2270Einarsson Jon1-029 ≣E41It
3Wood GabrielMitchell Graham1-028 ≣E41Ch World (corr.)
92Ojanen Kaarle S (...2335Euwe Max (NED)0-131 ≣E41Olympiad
25Taimanov Mark E (...2386Euwe Max (NED)0-141 ≣E41Tournament (candi...
134Luckis Marcos2270Caro1-042 ≣E47Ch Pan-American
338Marks IanTenev Teno P0-139 ≣E47Europe Tournament...
15Kluger Gyula (HUN)2250Florian Tibor (HUN)1-038 ≣E41Ch Hungary
358Oriansky AGaspariants I1-048 ≣E47Ch Europe (corr.)
44Idigoras GregorioSanguinetti J0-145 ≣E41Ch Argentina
101Ivanov P (BUL)Filipov F (BUL)1-040 ≣E47Ch Bulgaria
16Idigoras GregorioMarini Luis0-143 ≣E41Ch Argentina
127Cruz RaulLopez Bahamonde0-133E47Ch Argentina
225Gorniak Juri (MDA)Siniavsky Alexander1-021 ≣E21Olympiad URS