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King's Indian, Petrosian System, Main line 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. Bg5

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
86Guercia Sammarco ECelestini Mauro (...0-111 ≣A16?
77Szypulski Andrzej...2405Terzic Safet (BIH)22650-112 ≣A48It
229Herrera Laura (ARG)2145Ramos Daniela (CHI)19271-014 ≣E73Zt (w)
238Recine Leonel (URU)2041Genta Alejandro (...21450-117 ≣E90It05 Aug 2004
189Kaptsan Aron (CAN)2170Khedkar Jay S1-019 ≣E90Ch Manitoba (open)
258Gohla Ulf (GER)2206Michalik F20960-119 ≣E90Ch NRW07 Oct 2006
310Pozdniakov Vladim...Ivaneko Alexander1-020 ≣E73Tournament (Elo)29 Jan 2012
216Kolesnikov Evgeny...2300Pileckis Emilis (...21880-120 ≣E90Ch Europe (junior...
269Aishwarya GorthySweety Patel (IND)19830-121E90Ch Asia (juniors)...27 Aug 2007
281Haas Bernhard (AUT)2004Hackbarth Wolfgan...21490-121 ≣E90Ch Austria (qual)23 Jul 2008
187Niklasch Oliver (...2363Mista Aleksander ...22690-121 ≣A40It (open)
171Trentini Danilo (...2089Belotti Bruno (ITA)24300-121 ≣A48It (open)
175Sbarra Marco (ITA)2270De Palma Diego (ITA)21351-021 ≣E90It (open)
207Huss Andreas (SUI)2344Jovanovic Dobrica...21641-021 ≣E90It (open)
276Norri Joose (FIN)2356Virtanen Antti (FIN)23230-121 ≣E73Ch Finland (team)...08 Mar 2008
307Campos Otavio Mor...1823Cascao Bruno Aguiar1-021 ≣A48It (open)17 Sep 2011
38Kottnauer Cenek (...2370Linton William21601-021 ≣A15It (open)
112Maggiolo Sonia (ARG)2060Maggiolo Elisa (ARG)20751-021 ≣A48Ch Argentina (jun...
152Messina Rosario1540Bellipanni Piero ...20880-121 ≣E73It
108Kyhle Bo (SWE)2193Berman M21801-021 ≣A05It (open)
261Cesarano Marco1782Schingaro Angelo ...16911-022 ≣A48Ch Provinciale VA28 Jan 2007
242Larrea Manuel (URU)2279Mareco Sandro (ARG)21871-022 ≣E90Memorial M.Najdor...04 Oct 2004
173Bongini MauroNapoli Ferdinando...17400-122 ≣E90Ch Provinciale CO
24Weiss Leo (AUT)2157Walther Edgar (SUI)22540-122 ≣E73Olympiad
98Heineck ChristinaFuchs Antje (GER)21240-122 ≣A04Bundesliga (2nd) ...
133Savitskaya Ekater...2170Miroshnichenko Ni...20861-022 ≣E70It (open)
162Handke Harald (GER)2174Lanka Zigurds (LAT)25650-122 ≣A48It (open)
155Lanin BorisOleshkovich V0-123 ≣E90Ch Russia (corr.)...
113Ravi Lanka (IND)2425Balasubramaniun R...22741-023 ≣E90It (open)
174Lyrberg Patrik (SWE)2415Mortensen Erling ...24650-123 ≣E90It (open)
306Rodriguez Rejano ...Medina Masdeu Ras...18280-123 ≣E90It (open)17 Aug 2011
197Mira Helene (AUT)2118Kradolfer Conny (...20321-024 ≣E73Ch Switzerland (w...
163Valenzuela Fuente...2355Rios Mauricio (COL)23051-024 ≣E73Ch World (team) (...
198Belozerov Andrei ...2473Kryschilovskij An...22911-024 ≣A16Memorial A.Petrov...
237Oliveros Alvarez ...1920Arias Rodriguez S...21920-124 ≣A10Ch Asturias17 Apr 2004
284Lada Marek (POL)2201Michniewski Tomas...22150-124 ≣E90Tournament (Elo) \17 Oct 2008
195Ladanyi Tibor (HUN)2265Levic Miroslav (SRB)22541-024 ≣E73Ch Hungary (team)...
35Haik Aldo (FRA)2390Runau Ralf Dr (GER)23400-124 ≣E73It (open) (junior...
132Piepenburg RolfStimpel Franz (GER)21791-024 ≣A05Oberliga 1994/95
88Soto OCerpa Deniz Jose ...20850-124 ≣A05It (open)
308Monteiro Sara (POR)1862Gabriel Agna Sola...16041-024 ≣A48Ch Portugal (w)18 Dec 2011
288Goldwaser Christi...2356Preuss Maximilian...21140-124 ≣A05Ch Argentina (team)16 May 2009
23Kanko Ilkka (FIN)2231Litllewood J1-024 ≣E73Olympiad
299Karaca Cahit (TUR)1677Percin Onder1-025 ≣E73Ch World (schools)30 Jul 2010
13Kolarov Atanas S ...2415Stefanov Josif1-025 ≣E90Ch Bulgaria11 Feb 1962
159Haydon R (ENG)2173De Coverly Roger ...20470-125 ≣A05Ch England (team)...
97Nielsen Peter Hei...2405Vezzani Stefano (...21831-025 ≣B06It (open)
192Gunyecz Zoltan (HUN)1978Zalai Mihaly (HUN)20680-125E90It (open) \18 Jul 1999
231Tencati Giuseppe ...2096Terbonati Paolo (...19311-025 ≣E90Tournament (weekend)19 Oct 2003
71Blomberg AnteroSockel Karl-Heinz1-025 ≣A48corr.
19Johannessen Svein...2273Bjornsson Tomas (...21621-025 ≣E73It
291Vince Andrea (SRB)2092Milosavljevic Mil...17861-025 ≣E73It (open) (b)18 Jul 2009
83Sdrojewski WPoldauf Dirk (GER)23850-125 ≣E73It
252Sanetra Szymon (POL)2048Pigula Marek (POL)20761-025 ≣E90Tournament (Elo)14 Jul 2006
241Huss Andreas (SUI)2332Pinol Fabrice (SUI)20721-025 ≣E90It15 Sep 2004
14Lokvenc Josef (AUT)Szabo Laszlo (HUN)19030-125 ≣E73Memorial L.Asztalos
270Rizza Francesco (...2047Valguarnera Girol...21730-125 ≣E90It (open)02 Sep 2007
298Franca Veronika (...1774Bernik Alja (SLO)16901-025 ≣E90Ch Slovenia (juni...
178Edlinger WilhelmTobisch Manfred D...20590-126 ≣A48It (open)
129Vescovi Giovanni ...2465Manhardt Thomas (...21481-026 ≣E70Ch World (juniors...
85Misanovic Vesna (...2326Nikolin Zorica (SRB)21641-026 ≣E73Ch Yugoslavia (team)
79Freise ReinhardDoerr Klaus0-126 ≣A48It (open) (c)
28Balashov Yuri S (...2439Penrose Jonathan ...24051-026 ≣E90It
72Szmetan Jorge (ARG)2372Urday Henry (PER)24820-126 ≣A05It
239Duluc Jeremie (FRA)2179Komons Christian ...19201-026 ≣A05It (open) \03 Sep 2004
145Palacios Perez Ma...2192Torres Saulo1-026 ≣A53Olympiade (blindf...
64Marotz HJOechslein Rainer ...22590-126 ≣A53corr.
76Meiser Markus (GER)2205Tischendorf Micha...21860-126 ≣A48It (open)
55Jagodzinski Walde...2029Flis Jacek (POL)23021-026 ≣A16It (a)
164Gavin Roche Enriq...2253Sebastian Ruben1-027 ≣A40It (open)
139Lobato Gomez Juan...Ignacio Bajo0-127 ≣E90Ch Asturias (team...
255Lirindzakis Timot...2373Dimitriadis Theod...19311-027 ≣E73It \02 Sep 2006
40Patterson Nichola...2345Withers WR22001-027A15Olympiad
180Radziewicz Iweta ...2425Oliveira Vera (POR)20251-027 ≣A48Ch Europe (junior...
256Vince Viola (HUN)1859Marjanovic Novka ...17731-027 ≣E73Ch Europe (junior...16 Sep 2006
293Ruiz Vinals Matia...2101Alemany Jara Alej...17860-127 ≣E90Ch Spain02 Oct 2009
302Scholz Christian ...2387Poldauf Dirk (GER)23851-027 ≣E90Bundesliga 2010/1105 Feb 2011
134Mikulas Vladimir ...2125Komora Andrej (SVK)21100-127 ≣E73Slovak League (2n...
1Bazan Osvaldo (ARG)2260Chemes Luis1-027 ≣E73It
136Candela Perez Jos...2320Lanka Zigurds (LAT)24800-127 ≣E90It (open)
183Sanchez Repullo D...2254Lanza Pena Albert...20381-027 ≣A48It (open) (junior...
131Mai Thanh HuongTran T Minh Chau1-027 ≣E90Tournament (open)...
96Ferkingstad Gro (...2053Schmid Shahanah (...20690-127 ≣A48Ch World (juniors...
160Schlager Thomas (...2262Kapfer Thomas (GER)21590-128 ≣E73Oberliga Baden 19...
301Maric Boris (YUG)2028Block Wolfgang (GER)21200-128 ≣A05Regionalliga SVM ...16 Jan 2011
42Hort Vlastimil (GER)2600Krstic Slobodan (...20801-028 ≣E73Olympiad
225Jehle Anja (GER)1963Laake Jasmin (GER)19650-128 ≣E90Ch Germany (junio...
262Mayorga Nicolas (...2274Zabala Jorge Adri...20111-028 ≣A05Ch South America ...09 Feb 2007
119Lyrberg Patrik (SWE)2405Bologan Viktor (MDA)26001-028 ≣E90It (open)
213Nikolaev Leonid (...2301Novikova Margarit...20931-028 ≣E90Memorial I.Stepichev
202Nevednichy Vladis...2593Vidal Guillaume (...20491-028 ≣A16It (open)
287Sbarra Marco (ITA)2219Volpi Davide (ITA)20051-028 ≣E90Tournament (open)02 May 2009
194Sole Rota David (...2082Masip Tressera Or...21101-028 ≣E90It (open)
29Kestler Hans-Guen...2323Watzka Horst (AUT)22531-028 ≣E70Cup Clare Benedict
27Kuzmichev AMovshovich Gennad...22851-028 ≣E73Ch Russia (1/2 fi...
251Hansen Max (DEN)2020Petersen Tom Petr...22590-128 ≣B06Cup North Sea (open)08 Jul 2006
69Lacroix Serge (CAN)2060Gagnon Michel (CAN)20431-028 ≣E70Ch Quebec (qual)
267Klitaa Ib1606Salama Omar (EGY)22320-128 ≣A46Cup North Sea (open)14 Jul 2007
188Tribuiani Renato ...2128Rago Riccardo (ITA)21750-128A05It (open)
101Koch UdoSeywald Ralf0-128E90It (open)