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| | The London Chess Centre |
 | | Contains about 1,250 exercises classified according 3 criteria: 1.) Tactical methods (Annihilation of Defense, Distraction, Decoy, Open attack, Opening of a file, Space clearance, X-ray attack, Interception, etc); 2.) Combination motifs (Geometrical motif, Weakness of a file, Opposing, A piece is overloaded, Bad position of the pieces, Limited material, etc); 3.) Difficulty (ELO 1600-2300). |
 | | The following openings are viewed: Sicilian defense (Dragon, Najdorf, Paulsen variations), Ruy Lopez (Open variation, Exchanged Variation), King's gambit, Italian game, Evans gambit, Pirc-Ufimtsev, Alekhine's defense, Nimzo-Indian defense, Queen's-Indian defense, Queen's gambit, Modern Benoni). |
 | | Includes Gruenfeld Defense (by GMs Bagirov, Gipslis, Mikhalchishin, Sakaev, Zaitsev), Modern-Benoni (by GM Shipov), Trompovsky attack, Benoni, Old Indian Defense and Queen's Pawn Opening (by GM Gufeld). |
| www.chess-space.com /chessassistant.html (2367 words) |
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