Chessbits vs Natural Chess AI

Fetch interesting game bits from the cloud See color coded game notation to identify good moves, blunders and transpositions Show or hide the game evaluation at any time Hide the pieces at any time to play blindfold Change moves as often as you wish Change sides at any time to play from the Stockfish position Create and play your own positions Choose any Chess960 starting position or let the app choose one randomly Choose to receive a warning if you make a weak move Choose to announce draw by 50 move rule Choose to announce draw by repetition Use dark or light mode along with a selection of board colors

Natural Chess is a next-generation chess experience powered by a deep neural network designed to simulate true human intuition. Unlike traditional chess engines based on cold, brute-force calculations, Natural Chess focuses on intuitive positional understanding inspired by modern artificial intelligence systems such as AlphaZero. It does not calculate like a machine: it feels the geometry of the board like a human player. THE ALPHAZERO SELF-PLAY ODYSSEY Starting from absolute scratch with zero opening books or master databases (Tabula Rasa), the neural network battled over 100,000 games against itself 24/7 on a dedicated cloud cluster. Through reinforcement learning, it independently rediscovered the timeless principles of chess strategy: controlling the center, coordinating pieces, safeguarding the king, and executing brilliant positional sacrifices. 3 EVOLUTIONARY BRAINS READY TO PLAY Choose between 3 distinct milestones of the AI's training directly in your settings: - The Newborn (0 games | 400 Elo): The network at birth. Candid, spontaneous, and curious, fascinating to witness how tactical reflexes emerge from pure chaos. - The Adept (50,000 games | about 1,100 Elo): A vibrant, attacking, and harmonious playstyle. The ideal sparring partner for club players and fans of dynamic chess. - The Champion (100,000 games | about 1,235 Elo): The pinnacle of self-play. Outstanding strategic mastery, resilient defense, and sharp long-term vision without robotic play. (Elos calibrated at 1 second of thinking time, scaling even higher with more calculation time). SMART ELO SLIDER AND DYNAMIC TIME CONTROL Want to play at your exact skill level? Set your target Elo directly using an interactive slider! Natural Chess instantly translates your desired rating into optimal MCTS thinking time (from milliseconds up to 30 seconds for maximum tactical depth). Conversely, adjust the move time and watch the live estimated Elo adapt before your eyes! CHILD AI WITH REALISTIC HUMAN INATTENTION Unlike traditional engines that make artificial blunders, Child AI biologically models human learning and distraction using a Boltzmann probability distribution. With 10 progressive levels, from the curious beginner discovering the pieces to the focused prodigy, it delivers the authentic unpredictability and warmth of playing against a human friend. HIGH-SPEED NATIVE C++ ENGINE Entirely rebuilt in optimized C++ with Monte-Carlo Tree Search (MCTS), decisions are evaluated with split-second fluidity directly on your device's processor. Also includes a classic Analytical AI engine for pure tactical calculation. 100% OFFLINE AND PRIVACY-FOCUSED No Internet connection required. Play anywhere, on an airplane, on a train, or outdoors. Zero ads, zero tracking, and zero cloud dependency. KEY FEATURES: - Deep Residual Neural Network (ResNet) and Monte-Carlo Tree Search (MCTS) - Trained from scratch through 100,000+ self-play games (AlphaZero method) - 3 selectable historical brains (Newborn, Adept, Champion) - Interactive Elo slider with real-time thinking time conversion - Intuitive, human-like playstyle with natural positional feeling - Child AI with 10 progressive levels based on Boltzmann probability - Built-in Analytical AI engine for high-precision calculation - Fully offline gameplay across Mac, iPhone, and iPad - Clean, modern, and distraction-free interface Natural Chess offers a brand new way to experience chess: warm, alive, intuitive, and deeply human.