# Knightfall: AI Chess Coach

> Play chess against Stockfish AI with Gemma 4 coaching, online, or web.

Canonical page: [https://chrome-stats.com/d/com.chartmann.knightfall](https://chrome-stats.com/d/com.chartmann.knightfall)

## Overview

- **ID:** `com.chartmann.knightfall`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Hartmann Studios
- **Category:** GAME\_STRATEGY
- **Downloads:** 39
- **Version:** 1.0.0.20260813.1613
- **Last updated:** 2026-08-13
- **First published:** 2026-06-11
- **Publisher country:** US
- **Size:** 93 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.chartmann.knightfall)
- **Website:** [https://chartmann1590.github.io/knightfall/index.html](https://chartmann1590.github.io/knightfall/index.html)
- **Privacy policy:** [https://chartmann1590.github.io/knightfall/privacy.html](https://chartmann1590.github.io/knightfall/privacy.html)

## Description

**Play chess against Stockfish AI with Gemma 4 coaching — online, offline, or on the web.**<br><br>Knightfall is a modern chess app that combines Stockfish engine analysis with on-device AI coaching from Gemma 4 to help you improve your game.<br><br>**♟️ Play Chess**<br>• Play against Stockfish AI at any difficulty<br>• Online multiplayer matches<br>• Play on the web without download<br>• Local two-player mode<br><br>**🤖 AI Coaching**<br>• Gemma 4 analyzes your games<br>• Personalized move suggestions<br>• Opening and endgame tips<br>• Post-game analysis with explanations<br><br>**📊 Progress Tracking**<br>• Rating history and statistics<br>• Win/loss/draw tracking<br>• Opening repertoire builder<br>• Puzzle mode for tactics training<br><br>**🎯 Skill Levels**<br>• Beginner to grandmaster difficulty<br>• Adaptive AI that learns with you<br>• Custom time controls<br>• Tournament mode<br><br>**🌐 Cross-Platform**<br>• Android app with full features<br>• Web version for desktop<br>• Cloud save across devices<br>• Play anywhere, anytime<br><br>**🎨 Beautiful Design**<br>• Clean, modern chess board<br>• Multiple themes and pieces<br>• Animations and sound effects<br>• Dark mode support<br><br>Download Knightfall and improve your chess game today. Free with optional premium.

## Rankings

- #2,356,431 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_DATA_SYNC`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.chartmann.knightfall.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`

## Similar extensions and apps

- [ChessAI4U: Play & Learn Chess](https://chrome-stats.com/d/com.chessai4u.chess) — 1,705 users
- [Chess Coach](https://chrome-stats.com/d/com.createitllc.chesscoach) — 152 users
- [InfiChess](https://chrome-stats.com/d/com.feimi.nfeimiapp) — 56 users
- [Chess Coach - AI Chess Tutor](https://chrome-stats.com/d/com.app.cheescoach) — 17,146 users, 4.60 / 5
- [Chess Game Arena](https://chrome-stats.com/d/mgb.com.chessGameArena) — 27 users
- [Chess Engine](https://chrome-stats.com/d/com.dawikk.deepmove) — 7,765 users
- [Chess Freak](https://chrome-stats.com/d/com.engineeryourconvenience.chess_freak) — 467 users
- [Chess GM Champion](https://chrome-stats.com/d/com.chessgm.champion) — 188 users
- [Chess AI - Play Chess](https://chrome-stats.com/d/com.mirzaacademy.chessai) — 288 users
- [Gambit: Chess Club](https://chrome-stats.com/d/com.codeign.chessai) — 405 users
- [Chess Master - Play and Learn](https://chrome-stats.com/d/com.sempon.chess_master) — 46 users
- [Knight Rise: Play, Analyze](https://chrome-stats.com/d/ai.olib.chessup) — 66 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.chartmann.knightfall)