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Your Silicio rating now changes more gradually and retains fractional points. We improved how gains, losses and history are displayed and clarified the difference from your reference Elo. Your training level remains your choice. Repeated puzzles do not change your rating. Your profiles, progress and times are preserved.
Chess opening training: puzzles, mixed tests and review of your mistakes
Repetition deepens learning. Chess Openings by Ajedrez de Silicio offers you chess opening training with 10,453 puzzles, organized into 14 themes and three levels. Practice opening tactics, calculate variations and learn to recognize threats in real positions. Each theme includes 300 puzzles in Intermediate and Advanced, and between 102 and 300 in High Level. Progress at your own pace and return to the exercise where you left off. LEARN FROM YOUR MISTAKES Puzzles you get wrong are saved in your mistake notebook. Solve them again, review each move and create tests from your own mistakes once you have at least five available. A correct retry improves the puzzle’s status without changing your rating again. OPENINGS BY THEME Practice opening puzzles in the Sicilian, French, Caro-Kann and Scandinavian Defenses; the Italian Game, Ruy Lopez and Scotch Game; the Queen’s Gambit and Slav Defenses; Petrov and Philidor; the Vienna Game, Bishop’s Opening and Four Knights Game; King’s Pawn gambits; Queen’s Pawn and flank openings; Indian Defenses and Benoni; Pirc, Modern and related defenses. COMPLEMENT YOUR CHESS REPERTOIRE Strengthen your chess repertoire with practical training in opening positions: find the best continuation, spot mistakes and review the solution move by move. The app brings together tactical puzzles from this phase; it does not include a theoretical repertoire, a variation editor or a course for memorizing opening lines. THREE TRAINING LEVELS Intermediate, Advanced and High Level. Choose your level and change it when you decide. Your Silicio rating starts with the estimated Elo you enter and changes with the first result of each puzzle. It is a training measure, not an equivalent of a FIDE rating or a rating on another platform. PRACTICE AT YOUR OWN PACE • Browse themes and jump directly to any available puzzle. • Create mixed-theme tests from new puzzles. • Track your time and your fastest correct attempt for each puzzle. • Use up to five local profiles on the same device. • Drag pieces on the board, with sounds and coordinates outside the squares. • Review numbered solutions with chess figurines and move-by-move controls. • Train offline with the included content. • English or Spanish automatically follows your device preferences. One-time purchase. No ads or subscriptions. Progress is saved on your device and does not sync between phones. Intended for ages 13 and older.