A25 - English: Closed System (2.Nc3 Nc6)

Variation: English: Closed System (2.Nc3 Nc6)

Initial Move: Mimics the Closed Sicilian but with reversed colors. The game is usually slow-paced, focusing on long-term strategy rather than immediate tactical strikes. Learn this opening step by step

Dortmund Open

1991.01.01

FM Becker, Marc (2374)

GM Dvoirys, Semen I. (2388)

Result 1/2-1/2

Opening A25

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1990.10.12

GM Hertneck, Gerald (2404)

GM Kindermann, Stefan (2439)

Result 0-1

Opening A25

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Balkaniad

1992.01.01

IM Foisor, Ovidiu-Doru (2239)

IM Soylu, Suat (2306)

Result 1-0

Opening A25

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RUS-Cup06

1998.07.04

IM Driamin, Dmitry (2330)

IM Vorontsov, Nikolay (2295)

Result 0-1

Opening A25

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ARG Ch Najdorf Memorial

1999.12.02

GM Spangenberg, Hugo (2469)

GM Slipak, Sergio (2377)

Result 1/2-1/2

Opening A25

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Sao Paulo zt

1998.01.01

GM Sunye Neto, Jaime (2360)

GM Urday, Henry (2482)

Result 1/2-1/2

Opening A25

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Sarajevo Bosnia

1998.06.03

GM Georgiev, Kiril (2520)

GM Bareev, Evgeny (2611)

Result 1/2-1/2

Opening A25

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Hotel Irottko GM

1999.07.02

IM Habibi, Ali (2104)

GM Zontakh, Andrey (2471)

Result 0-1

Opening A25

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Munich

1991.01.01

GM Hertneck, Gerald (2404)

GM Polgar, Susan (2577)

Result 1/2-1/2

Opening A25

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Moscow ol (Men)

1994.01.01

GM Markowski, Tomasz (2475)

GM Wang, Zili (2488)

Result 1/2-1/2

Opening A25

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