ChessNivora

Local chess coaching for Chess.com computer games. Not for games against people.

♟️ CHESSNIVORA — ANALYSE. LEARN. IMPROVE. Turn Chess.com into a focused and customisable chess-training space. ChessNivora combines local Stockfish analysis, personal coaching, puzzle support, visual move arrows, adjustable ELO, and computer practice in one polished browser extension. Whether you are learning the fundamentals, improving your tactics, solving difficult puzzles, or testing advanced positions, ChessNivora gives you the tools to train at your preferred strength and pace. ✨ WHY INSTALL CHESSNIVORA? • Analyse chess positions with Stockfish • Learn from your moves with private coaching • Practise at an adjustable ELO level • Solve supported Chess.com puzzles • See clear move arrows directly on the board • Train against bots and computer opponents • Choose from six specialised chess modes • Control everything from a compact, movable panel • Run chess calculations locally in your browser 🎮 SIX SPECIALISED CHESS MODES ⚙️ ENGINE MODE Get powerful Stockfish move suggestions adjusted to your selected ELO. Use Engine Mode to study positions, compare ideas, and practise against computer opponents. 🧠 HUMAN MODE Explore more natural, human-style move choices with realistic variety. Human Mode adapts its decisions to your selected strength for a less mechanical training experience. 🎓 COACH MODE Receive useful post-move feedback without revealing the answer before you play. Coach Mode evaluates your choice, identifies its quality, and shows a stronger alternative when appropriate. ⚔️ ATTACK MODE Find sharp tactical opportunities, active moves, combinations, threats, and aggressive ideas. Attack Mode is ideal for players who enjoy dynamic positions. 🧩 PUZZLE MODE Use maximum-strength calculation on supported Chess.com puzzles. Develop your tactical awareness, calculation, accuracy, and pattern recognition. 🤖 AUTO MODE Enjoy hands-free bot and computer practice with adaptive timing and selected-ELO move choices. Start or stop Full AUTO instantly whenever you want complete control of your session. AUTO Mode is intended only for situations where computer assistance is permitted. 🚀 POWERFUL TRAINING FEATURES ➤ LOCAL STOCKFISH ANALYSIS Chess calculations run locally inside your browser using the trusted Stockfish engine, providing fast and private position analysis. ➤ ADJUSTABLE ELO Choose a playing strength that matches your current ability. Lower the level for accessible practice or increase it when you want a greater challenge. ➤ VISUAL MOVE ARROWS Display suggested moves directly on the chessboard. Turn arrows on or off and customise their colour to match your preferred board theme. ➤ MOVE EVALUATION View the suggested move and its evaluation through a clean interface that does not cover the board. ➤ ADAPTIVE AUTO TIMING AUTO Mode considers the position, available moves, analysis time, and game situation to create smoother computer practice. ➤ CUSTOM PLAYING SPEEDS Select a comfortable automated-practice pace, from slower natural timing to faster Premium options. ➤ PLAY AND REFRESH CONTROLS Play a suggestion when assistance is permitted or refresh the current position whenever you want another analysis. ➤ CUSTOMISABLE INTERFACE Move and resize the ChessNivora panel so it fits comfortably alongside your Chess.com board. 💎 FREE AND PREMIUM FEATURES Start with useful core features, including: • ⚙️ Stockfish Engine Mode • ⚔️ Attack Mode • 🧩 Puzzle support • Adjustable playing strength • Visual move arrows • Standard automated-practice speeds • Play and refresh controls Upgrade to ChessNivora Premium to unlock: • 🧠 Human Mode • 🎓 Coach Mode • 🤖 Full AUTO Mode • Stronger playing levels • Faster timing options • The complete ChessNivora training experience • Chess Assist • Chess Vision 🎯 BUILT FOR CHESS PLAYERS WHO WANT TO IMPROVE