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Nimzo-Indian, Sämisch Variation, Keres Variation 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5

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
410Aaltio Erkki (FIN)2133Raaste Eero J (FIN)23350-134 ≣E20Ch Finland (team)...
413Golod Vitali (ISR)2555Solomon Stephen J...24351-040 ≣E20It (open)
414Volkov Sergey Vik...2605Obukhov Alexander...24351-023 ≣E20Cup Russia (open)
415Nguyen Chi-Minh (...2401Spiridonov Nikola...24050-126 ≣E20It (open) \
417Volkov Sergey Vik...2605Yakovich Yuri (RUS)25601-026 ≣E20Ch Russia
418Bozinovic Bogdan ...2260Matijevic Hrvoje ...22800-132 ≣E20It (open)
419Moskalenko Viktor...2471Rogovski Vladimir...24651-048 ≣E20Ukrainian Games
420Avrukh Boris (ISR)2588Van Der Sterren P...25351-024 ≣E20It (cat.14)
421Volkov Sergey Vik...2575Macieja Bartlomie...25421-033 ≣E20Ch Europe (team)
423Cafolla Peter (IRL)2108Daly Colm (FID)23780-137 ≣E20Ch Ireland
425Biro Peter (HUN)2199Szilagyi Peter (HUN)24120-127 ≣E20Ch Hungary (team)...
426Salmela Hannu (FIN)2041Lugovoi Aleksei (...25090-145 ≣E20It \
427Lazovic Gordan (CRO)2319Zelcic Robert (CRO)25611-027 ≣E20Ch Croatia (team)...
429Moskalenko Viktor...2471Vilar Lopez Monic...21581-026 ≣E20It (open)
430Kolotilina LTarnovskaya T1-035E20Ch Russia (junior...
431Aaltio Erkki (FIN)2133Sammalvuo Tapani ...23930-127 ≣E20It (open)
432Moskalenko Viktor...2508Jerez Perez Alfon...23861-031 ≣E20It (open)
433Heinola Vesa (SWE)2218Keeling Karen (ENG)19411-025 ≣E20It (open) \
434Karner Christoph ...2280Mahdi Khaled (AUT)23810-142 ≣E20Ch Austria
436Salmela Hannu (FIN)2047Solozhenkin Evgen...25040-123 ≣E20It (open) \
437Formanek Edward W...2298Kohlweyer Bernd (...24550-130 ≣E20It (open)
439Volkov Sergey Vik...2554Sakaev Konstantin...26271-036 ≣E20Ch World FIDE (KO...
444Likavsky Tomas (SVK)2409Bartel Mateusz (POL)23131-021 ≣E20It (open)
445Ulibin Mikhail (RUS)2583Hulak Krunoslav (...25101-038 ≣E20Ch Croatia (team)...
446Halldorsson Bragi...2244Sokolov Ivan (NED)26110-129 ≣E20It (open)
447Volkov Sergey Vik...2554Yevseev Denis (RUS)25161-033 ≣E20Ch Russia
449Porras RubenVaras Carlos (CHI)22970-19 ≣E20It (open)
450Moskalenko Viktor...2508Mitkov Nikola (MKD)25321-041 ≣E20It (open)
451Volkov Sergey Vik...2554Ulko Jaroslav (RUS)24560-145 ≣E20Memorial M.Chigor...
452Adler Bo (SWE)2245Couso Luis (SWE)23270-138 ≣E20Ch Sweden (team) ...
454Ulibin Mikhail (RUS)2583Quinn Mark (IRL)23811-031 ≣E20It (open)
455Aaltio Erkki (FIN)2133Veingold Aleksand...24570-129 ≣E20It (open)
458Suba Mihai (ROM)2535Rodriguez Soler R...19941-041 ≣E20It (open)
459Gheorghe Corina (...2090Peptan Corina-Isa...24620-133 ≣E20Ch Romania (w)
460Partos Charles (SUI)2386Cote F22001-040 ≣E20It (open)
461Ezat Mohamed (EGY)2297Broekhusse Paul0-149 ≣E20It (open)
464Monacell JamesIngersol Harry1-037 ≣E20Tournament (IECG)
465Pomes Marcet Juan...2399Adams Michael (ENG)27310-136 ≣E20It (open) (active) \
466Moskalenko Viktor...2522Camacho Calle Ped...21961-032 ≣E20It (open)
467Utnasunov Alexand...2293Vaingorten Yaqoov...21980-141 ≣E20It (open) \
469Baklanova Tatiana...2220Bojkovic Natasa (...24520-140 ≣E20Ch Europe (w)
471Moskalenko Viktor...2510Dominguez Rueda J...21481-027 ≣E20Ch Catalunia (team)
473Roeschlau Bernd (...2314Kersten Uwe (GER)23571-043 ≣E20Ch Hessen
475Salmela Hannu (FIN)2058Maki-Uuro Miikka ...23730-143 ≣E20Ch Finland (team)...
477Erdogan Hakan (TUR)2212Ivanchuk Vassily ...26990-142 ≣E20Match (exhibition...
478Volkov Sergey Vik...2624Istratescu Andrei...25931-045 ≣E20It (open)
480Bluvshtein Mark (...2461Roussel-Roozmon T...22511-033 ≣E20It (cat.3)
481Pomes Marcet Juan...2380Tome Vazquez Osca...20011-031 ≣E20It (open)
482Summerscale Aaron...2495Ehlvest Jaan (USA)26000-140 ≣E20It \
483Strutinskaya Gali...2306Kabanova Irina (RUS)20521-018 ≣E20Ch Russia (w) (1 ...
485Kaivanipour Kivan...1927Namini Armin (SWE)21140-143 ≣E20Ch Sweden (juniors)
487Hellborg Teodor (...2240Schneider Lars-Ak...23850-130 ≣E20Ch Sweden (team) ...
492Herzel Alois Dr (...1985Dahlhaus Friedhel...21510-140 ≣E20Ch Germany (senio...
493Hillarp Persson T...2523Topalov Veselin (...27570-146 ≣E20It (active)
494Segura Ariza Jose...2181Munoz Agullo Jose...22891-040 ≣E20XVI Obert Es Vermar
495Khenkin Igor (GER)2587Guido Flavio (ITA)23531-041E20It (open)
498Meynard Thibault ...2242Guadalpi David (FRA)23241-035 ≣E20Ch France (team) ...
501Pitselis Grigorio...2132Papadopoulos I (GRE)22590-129 ≣E20Ch Greece (team)
502Frangez Simon (SLO)2195Bratovic Blaz (SLO)23360-131 ≣E20It (open)
503Likavsky Tomas (SVK)2449Bayer Bernhard (GER)23001-036 ≣E20It (cat.3)
505Marinangeli Marti...2139Arambel Sergio (ARG)22961-038 ≣E20Ch City (match)
507Halldorsson Bragi...2208De Firmian Nick E...25500-139 ≣E20It (active) \
508Lin Ta (CHN)2418Rizouk Aimen (ALG)24651-024 ≣E20It (open)
509Ulibin Mikhail (RUS)2556Barkhagen Jonas (...24610-135 ≣E20Cup Rilton
510Hillarp Persson T...2523Sammalvuo Tapani ...24380-140 ≣E20Ch Sweden (team) ...
511Arencibia Walter ...2516Wang Hao Yuan (CAN)22691-027 ≣E20It (sheveningen)
521Volkov Sergey Vik...2628Jeremic Veljko (SRB)25290-133 ≣E20It (open)
571Grigorieva Olga (...Bazhenova Dina (RUS)18710-130 ≣E20Ch Russia (junior...
575Moskalenko Viktor...2543Cruz Filemon (PER)23711-037 ≣E20It (open)
600Yudkevich Mikhail...2157Reshetnikov Alexe...23880-128 ≣E20Ch Moscow (1/2 fi...
604Kirszenberg Marc ...2210Primel Dominique ...20071-040 ≣E20Ch France (team) ...
646Bouget Alexandre ...1998Jolly Jean-Franco...23550-119 ≣E20It (open)
652Akshat Khamparia ...2273Sharma Dinesh K (...23761-032 ≣E20It (open)
673Moroder Stefan2062Van Hoolandt Patr...22330-119 ≣E20It (open)
679Ubiennykh Ekateri...2270Pavlov Oleg (RUS)23141-030 ≣E20Tournament (Elo)
689Simantsev Mikhail...2541Mischuk Dmitry (UKR)23551-042 ≣E20It (cat.7)
754Abdalla Luiz Guil...2241Guimaraes Artemis...20161-044 ≣E20Tournament (open)
398Lampen Timo (FIN)2275Heinimaki Leo (FIN)20721-043 ≣E20It (open)
22Karaklajic Nikola...2303Gereben Erno (SUI)23201-044 ≣E20Memorial Stevenson
81Maslov Yevgenij (...2265Korchmar E1-041 ≣E20Ch Armed Forces (...
441Galvan Jesus (PER)2171Torres Jean Pierr...22000-141 ≣E20Ch Peru (regional)
19Mititelu Gheorghe...2300Minev Nikolay N (...23700-136 ≣E20Olympiad (student...
462Grachev Boris (RUS)2410Redpath Joseph (SCO)21551-036 ≣E20Ch Europe (junior...
191Cochet Jean-Danie...2059Jukic Mirko (CRO)24700-143 ≣E20It (open)
73Donner Jan-Hein (...2430Bouwmeester Hans ...23431-041 ≣E20It (a)
212Ballon Guenther J...2183Pritchett Craig W...23431-042 ≣E20It (open)
126Mikenas Vladas I ...2405Salamon1-048 ≣E20Ch Europe (team) ...
491Ezat Mohamed (EGY)2383Arab Adlane (ALG)23710-142 ≣E20Ch Africa
106Khodos German (RUS)2200Platonov Igor V (...24300-129 ≣E20Ch URS (1/2 final)
351Hubert Ralf (GER)2293Rechmann Peter (GER)23160-148 ≣E20It (open)
306Mester Gyula (HUN)2425Besztercsenyi Tib...21710-142 ≣E20Ch Hungary (team)...
497Carleton John J (...2284Walsh Chris (WLS)21581-038 ≣E20Ch England (team)...
394Sbarra Marco (ITA)2280Bossi Alessandro ...20191-031 ≣E20It (open)
66Soeby Frode (DEN)Larsen Bent (DEN)24151-041 ≣E20Ch Denmark
763Volkov Sergey Vik...2614Stockmann Michael...22841-038 ≣E20It (open)
47Weise DietrichLengyel Levente (...22930-144 ≣E20Ch Europe (team)
705Morozevich Alexan...2700Fedorchuk Sergey ...26710-137 ≣E20It (cat.16)
55Aaron Manuel (IND)2315Teschner Rudolf (...22950-137 ≣E20Izt
380Aaltio Erkki (FIN)2133Kytoniemi Jyrki (...22100-139 ≣E20?
342Ionescu-Ilie Vior...Zak Uriel (ISR)23700-147 ≣E20It (open)