Open this userscript link inside your Android browser: Install ChessSense Userscript (v2.9.0)
Tampermonkey will show an installation prompt. Tap Install.
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Open chess.com or lichess.org in your Android browser. The live assistant and tactical overlays activate automatically.
Play on chess.com or lichess.org. Stockfish candidate arrows, live eval bar, blunder punish radar, and tactical pill will appear live on screen.
Engine Suite & Tactical Radar Features
6 Candidate Arrows & Anti-Detection
#1 Green Best GM Move. #2 Blue Natural Human Move (Anti-Cheat safe). #3 Orange Tactical Alternative. #4 Purple Positional / Quiet Line. #5 Pink Solid Blunder-Free Defense. #6 Teal Deep Sideline Surprise. Select 1 to 6 visible arrows in Settings (Default: 3).
Stealth v2 Panic Hide
Tap Pill: Cycle Normal -> Minimal (clean board) -> Ghost (100% hidden). Hold (0.4s): Instant Panic Hide to 0 visible pixels. Unhide: Tap top-right corner of screen, or double-tap top bar.
Tactical Pins & Hanging Pieces
Blue Pin Badge: Identifies pieces pinned to King or Queen. Red Danger Badge: Your undefended hanging piece. Amber Target Badge: Opponent hanging piece free to capture.
Forced Mate Defense & Threat Banner
Red Warning Banner: Warns when opponent has forced mate sequence. Defend Shield Guide: Highlights the only surviving defensive move with a glowing shield.
Engine Strength & Speed Profiles
Tap Settings on the HUD pill to adjust strength (Novice 1100 to Grandmaster 3000+) and analysis speed (150ms Bullet to Deep Classical).
BioTempo Human Deliberation
Follow the deliberation countdown before executing moves. When it turns Play, move safely to avoid automated engine detection.
Live On-Board Dynamic Evaluation Bar
Real-time SVG evaluation bar rendered alongside the board showing precise winning advantage (+2.4 / -1.1 / #M3). Fully toggleable in Settings.
Opponent Blunder Alert & Golden Punish
Instantly flags opponent blunders (eval swing ≥ 1.80 pawns) with a red square badge, highlighting the tactical punish move with a golden glowing arrow.
8 Grandmaster Playstyle Presets
Choose from 8 distinct playstyles: Tal (King attack & sacrifices), Carlsen (Endgame grinder), Petrosian (Iron boa), Morphy (Romantic gambits), Nakamura (Speed tricks), Kasparov (Initiative), Human (Anti-cheat 1750), and Novice (1200).
Live Opening Book & ECO Explorer
Instant 0ms opening recognition with official ECO codes and master continuations. Displays opening name in HUD pill during the opening phase.
7-Piece Endgame Tablebase Solver
Integrated with Syzygy Tablebase. Provides 100% mathematical win/draw truth and exact Distance to Mate (DTM) when ≤ 7 pieces remain on board.
Territorial Control Heatmap
Real-time 8x8 matrix visualizing square domination. Green highlights your territorial control while red highlights opponent-dominated squares.
Adaptive Clock Engine (Scramble < 15s)
Real-time clock reader for Chess.com & Lichess. Automatically drops deliberation delay from human tempo (2.0s) down to ultra-fast scramble mode (0.15s) when under 15 seconds to ensure you never flag.
Smart Pre-Move Radar
Extracts opponent's 90% expected reply as a dashed ghost arrow, and draws a neon-gold dotted arrow indicating your best queued pre-move before your clock starts.
Fork & Tactical Trap Alert
Highlights deadly Royal (K+Q) and Family (K+R) forks with glowing golden lightning badges on target squares, and raises an amber banner for poisoned piece traps and dangerous opening gambits.