XXVI Open Internacional Ciudad de San Sebastián

12/04/2003 – Entre el 12 y el 18 de abril la perla del Cantábrico vuelve a mostrar su vocación ajedrecística. Más 110 participantes, de los cuales más de una veintena son titulados, se dan cita en un suizo a nueve rondas, con partida diaria, salvo el domingo 13 de abril y el martes 15 que serán de sesión doble, mañana y tarde. Entre otros sitios tiene información en la páginas de la Federación Guipuzcoana de Ajedrez, en las de la revista Jaque y también Arbitros de Ajedrez ofrece puntuales crónicas y fotos.

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Books, boards, sets: Chess Niggemann

ChessBase Pistas, tutoriales e indicaciones sobre nuestros productos, para sacarles todo el partido y más.

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ChessBase '26 - Mega Package

EXPAND YOUR CHESS HORIZONS

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A powerful 1.e4 Repertoire

Instead of forcing you to memorise endless lines, Raja focuses on clear plans, typical ideas, and attacking motifs that you can apply in your own games without delay. A short, focused, and practical repertoire.

39,90 €

ChessBase Magazine 229

FIDE World Cup 2025 with analyses by Adams, Bluebaum, Donchenko, Shankland, Wei Yi and many more. Opening videos by Blohberger, King and Marin. 11 exciting opening articles with new repertoire ideas and much more.

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King’s Indian – A Complete Repertoire for Black Part 1 & 2

GM Blohberger presents a complete two-part repertoire for Black: practical, clear, and flexible – instead of endless theory, you’ll get straightforward concepts and strategies that are easy to learn and apply.

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King’s Indian – A Complete Repertoire for Black Part 1: Mastering the Sidelines

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King's Indian – A Complete Repertoire for Black Part 2: The Classical Main Lines

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ChessBase Magazine Extra 228

Opening videos: Sipke Ernst brings the Ulvestad Variation up to date + Part II of ‘Mikhalchishin's Miniatures’. Special: Jan Werle shows highlights from the FIDE Grand Swiss 2025 in the video. ‘Lucky bag’ with 40 analyses by Ganguly, Illingworth et al.

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Understanding Middlegame Strategy Vol 12: Reversed Colour Systems – King’s Indian/Pirc Defence

In this video course, Grandmaster Ivan Sokolov explores the fascinating world of King’s Indian and Pirc structures with colours reversed, often arising from the French or Sicilian.