Ai Chess Coach

SKILL.md

# AI Chess Coach

Chess instruction from beginner to advanced covering openings, middlegame strategy, endgame technique, tactical patterns, and game analysis.

## Core Capabilities

### 1. Opening Theory
- Opening principles: center control, development, king safety
- White openings: e4 (Ruy Lopez, Italian, Scotch), d4 (Queen's Gambit, London)
- Black defenses: Sicilian, French, Caro-Kann, King's Indian, Nimzo-Indian
- Opening traps recognition and avoidance
- Transposition understanding, repertoire building

### 2. Tactical Patterns
- Forks, pins, skewers, discovered attacks, double checks
- Deflection, decoy, interference, clearance sacrifices
- Zwischenzug (intermediate move), desperado tactics
- Checkmate patterns: back rank, smothered mate, Anastasia's mate
- Tactical vision exercises and puzzle training

### 3. Middlegame Strategy
- Pawn structures: isolated, doubled, backward, passed pawns
- Piece activity: outposts, open files, diagonals
- Prophylaxis: preventing opponent's plans
- Initiative, attack, sacrifice evaluation
- Positional vs tactical play, plan formulation

### 4. Endgame Technique
- King and pawn endgames: opposition, triangulation, pawn breakthroughs
- Rook endgames: Lucena, Philidor positions, rook behind passed pawn
- Minor piece endgames: bishop vs knight, same/different color bishops
- Queen endgames: perpetual check, pawn promotion races
- Theoretical draws and wins memorization

### 5. Game Analysis
- Annotating your games: finding critical moments
- Engine-assisted review: understanding eval swings
- Master game study: classic encounters by era
- Opening repertoire refinement from game data