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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
285Carrabeo Garcia M...2072Campora Daniel H ...25360-140 ≣E41It (open)
161Johansson Carl Fr...2192Wiedenkeller Mich...24730-133 ≣E47It (open)
34Dittmann SieghardKholmov Ratmir D ...24320-125 ≣E47It
11Bronstein David I...2432Najdorf Miguel (POL)24451-021 ≣E20Tournament (candi...
212Levit Roman (USA)2275Miller Ike S (USA)20611-030 ≣E41Ch USA (open)
97Clarke Thomas (IRL)2137Keeshan Michael1-023 ≣E41It (open)
139Balashov Yuri S (...2540Karpman Vadim (UKR)24901-036 ≣E41Ch URS (qual)
10FlondorSzabo Sandor (HUN)20600-131 ≣E41Ch Romania
54ZubietaHaygarth Michael ...23750-141 ≣E47Olympiad
77Nevole Vladimir (...2051Janata Michael (CSR)24000-144 ≣E20Ch Czechoslovakia...
24Voiculescu Paul (...2282Kholmov Ratmir D ...24320-131 ≣E46It
215Guseinov Aidyn (AZE)2425Tunik Gennady (RUS)25150-141 ≣E41It (open) \
253Ahonen PekkaHaapasalo Jukka-P...20840-150 ≣E41It (open)
195Breiden RudiBuechler Franz0-144 ≣E20Ch RLP (seniors)
242Blasco Miguel (ESP)2241Pogorelov Ruslan ...24400-137 ≣E47It (open)
133Vogel Robert (GER)2256Siegel Georg (GER)22731-025 ≣E20Bundesliga 1987/88
231Metge J Nigel (NZL)2160Barlow Matthew (NZL)21701-037E46Ch New Zealand
17Szilagyi Gyorgy (...2370Szabo Stefan1-046 ≣E20It
259Ulko Jaroslav (RUS)2454Tunik Gennady (RUS)24471-033 ≣E46Cup Russia (open)
102Christiansen Larr...2505Rodriguez Ruben (...24151-033 ≣E47Izt (cat.12)
45Popov Vladilen (BUL)2260Filipov F (BUL)1-045 ≣E41Ch Bulgaria
203Mazzei Alessandro...2190Sardo A1-043E41Ch Italy (juniors)
254Jardi JSalov Valery (RUS)26700-123 ≣E41It (open) (active)
3Cruz Walter Oswal...Trompowsky Octavio1-036 ≣E20Ch Brazil (match)
142Rokitta NSonntag Hans-Hube...23850-140 ≣E46It (open) \
147Marchand Erick (FRA)2185Hauchard Arnaud (...25470-130 ≣E20Tournament
123Chachere Lawrence...2305Kudrin Sergey (USA)25150-149 ≣E46It (open) \
122Remlinger Larry (...2380Larsen Bent (DEN)25650-142E46It (open)
246Jussupow Artur (GER)2640Cvitan Ognjen (CRO)25251-048 ≣E41Zt
201Aarland Stein Ari...2250Fyllingen Roy Har...23300-138 ≣E20Ch Norway (team) ...
49Weise DietrichNiephaus Walter (...1-028 ≣E46Ch BRD
105Balashov Yuri S (...2545Gavrikov Viktor (...24851-026 ≣E41Ch URS (1 liga)
42Nikolaevsky Yuri ...2315Zurakhov Vladlen ...24151-046 ≣E20Ch Ukraine
240Lomineishvili Mai...2350Yakovich Yuri (RUS)26100-128 ≣E41Cup Russia (open)
207Zaiatz Elena (RUS)2441Kayumov Dmitry D ...24411-038 ≣E41Memorial A.Zaitsev
261Hupp FabricioDa Silva Eduardo ...0-131 ≣E41It \
269Pons Sastre Santi...2328Kolev Atanas (BUL)25820-135 ≣E20It (open)
27Geller Efim P (RUS)2455Furman Semen (RUS)25501-043 ≣E20Ch URS
315Zaiatz Elena (RUS)2400Khurtsidze Nino (...23990-150 ≣E47Ch Europe (w)
50Heuer Valter (EST)2285Kliavinsh Y (LAT)1-034 ≣E20Tournament (Cand....
92Baturinsky Victor...Hansen1-042 ≣E41Ch Europe (corr.)
249Valimamade Munir ...Casimiro Eduardo1-049 ≣E20Ch Portugal (team...
295Agdestein Simen (...2578Jenni Florian (SUI)25161-028 ≣E20Ch ICC (blitz) (f...
292Unmack Christian ...2085Schmied Andreas (...21281-024 ≣E20It (open) \
316Cebalo Miso (CRO)2520Iotti Pierluigi (...22911-033 ≣E41It (cat.8)
280Picazo Lopez Juan...2055Garcia Carbo Marc...23540-140 ≣E41Ch Spain (open)
303Niklasson Christe...2375Barkhagen Jonas (...24580-132 ≣E20Ch Sweden (team) ...
91Choon Foo LC2200Rossolimo Nichola...24500-133 ≣E47Olympiad
8Botvinnik Mikhail...2630Reshevsky Samuel ...24300-142 ≣E41Ch World (match-t...
301Miron Lucian-Cost...2131Popa Marian (ROM)20681-035 ≣E20It \
72Chistiakov Alexan...Zelevinsky V0-141 ≣E20Tournament
22Donner Jan-Hein (...2430Matanovic Aleksan...24900-143 ≣E47It
47Szabo Laszlo (HUN)1903Portisch Lajos (HUN)25230-141 ≣E41Ch Hungary (match)
307Markl Martin (GER)2230Schenk Andreas (GER)24940-131 ≣E20It (open)
98Flockert Ruediger...2140Kreie Guenther (GER)19391-039 ≣E20Ch OWL
40Rubio Aguado Fern...Letelier Rene (CHI)21510-141 ≣E20Zt
59Mileika JanisKoblencs Aleksandrs0-134 ≣E20Ch Latvia
38Hodakowsky GeorgHeinrich1-041 ≣E46Ch BRD
89Razzaghi ABehroozi Ev1-023 ≣E41Ch Iran
96Szmacinska Grazyn...2181Jackson Sheila (ENG)21621-038 ≣E47Olympiad
20Ciejka TadeuszSzymanski Aleksander0-126 ≣E46Ch Poland
31LubenskyLazarev Efim M (UKR)24280-135 ≣E41Ch Ukraine
58Tschater BZastrow H0-147 ≣E20Ch BRD (corr.)
71Aloni IsaacMatanovic Aleksan...24900-148 ≣E41It
43Pasman MarksKlavins Janis1-047 ≣E41Ch Riga
18Mukhitdinov Mamad...Petrosian Tigran ...25800-149 ≣E47Match
4Mikenas Vladas I ...2405Vulfson V Sr1-031 ≣E20It
41Ciocaltea Viktor ...2420Geller Efim P (RUS)24550-129 ≣E41Memorial Przepiorka
61Kristinsson (ISL)Luginbuhl Erwin (...23701-033 ≣E20Olympiad
297Andrade Ulises (VEN)2246Pacheco Marco (PER)23530-139 ≣E46Ch Pan-American (...
70GoetgeluckSpassov Liuben (BUL)23670-149 ≣E20Ch World (team) (...
293Mourot Clara (FRA)1982Brunner Nicolas (...22590-140 ≣E20Ch France (team) ...
85Lim Kok Ann Dr (SIN)2038Malagon Alberto22001-039 ≣E20Olympiad
270Curi Gabriel (URU)2312Maiztegui L (URU)0-144 ≣E46Ch Uruguay
101Pliester Leon (NED)2300Taulbut Shaun M (...23760-138 ≣E41It (open)
221Dauner KarlBarsov Alexei (UZB)24700-146 ≣E20It (open)
160Santos Carlos P (...2404Prakash G B (IND)23320-138 ≣E20Ch World (juniors...
111Ravikumar Vaidyan...2385Levitt Jonathan (...24201-038 ≣E20It (open) \
104Deze Anton (YUG)2405Rakic Tomislav (SRB)24300-144 ≣E20It (cat.7)
116Muir Andrew J (SCO)2311Motwani Paul (SCO)24940-125 ≣E41Ch Scotland
107Moyse Nigel John ...2062Porubszki Georg (...19470-134 ≣E20It (open)
148Apaza HenryMoutousis Konstan...24280-129 ≣E20Ch World (juniors...
66Romani Elio (ITA)2275Greiveldinger E0-138 ≣E20Olympiad
78Lehmann Klaus (GER)2349Janata Michael (CSR)24000-137 ≣E46Match \
181Ernrooth JArppi Heikki1-050 ≣E41Ch Finland (corr.)
138Vaisser Anatoly (...2530Timoshenko Georgy...25151-030 ≣E41?
155RemensbergerMilosevic0-124 ≣E47Bundesliga 1989/90
7Denker Arnold S (...2293Smyslov Vassily (...24940-143 ≣E47Match \
115Balashov Yuri S (...2510Novikov Igor A (USA)24651-042 ≣E41?
188Agrest Evgenij (SWE)2599Kiselev Sergey (RUS)24700-127 ≣E41It (a)
152Meira Wagner2086Goncalves Tasso19771-033 ≣E20Ch Brasiliense
284Pugh Larry (USA)2059Nolan Gregory M0-147 ≣E20It \
130Vehi Bach Victor ...2385Campos Lopez Mari...23460-148 ≣E20?
110Steudtmann Christ...2268Tischbierek Raj (...24500-136 ≣E20Ch DDR
174Kluss Kai (GER)2150Lesiege Alexandre...23750-135 ≣E41Ch France (team)
198Ivanov Igor V (CAN)2424Browne Walter S (...25351-020 ≣E41It \
56Martius OttokarUnzicker Wolfgang...24330-139 ≣E20Tournament
300Adams Nick A (USA)2197Shapiro Daniel E ...22891-021 ≣E41It (open) \
62Spassky Boris V (...2548Bykov Valery (RUS)23011-040 ≣E20Tournament (team)
283Halkias Stelios (...2519Khetsuriani Besar...24111-033 ≣E41It (open)