# ChessUrge — Analyse deeper ChessUrge is a chess platform at https://chessurge.org with Stockfish 19 analysis, real-time human and bot play, 15,000 curated Lichess puzzles, a permanent game library, achievements and a community forum. ## Canonical URLs - Home: https://chessurge.org/ - Analysis: https://analyse.chessurge.org/ - Play: https://play.chessurge.org/ - Puzzles: https://learn.chessurge.org/ - Game library: https://games.chessurge.org/ - Community: https://discuss.chessurge.org/ - Pricing: https://chessurge.org/pricing - Blog: https://chessurge.org/blog - FAQ: https://chessurge.org/faq - Refunds: https://chessurge.org/refunds - Delivery and cancellation: https://chessurge.org/delivery - Blog RSS: https://chessurge.org/rss.xml - Contact: https://chessurge.org/contact ## Product facts - Engine: Stockfish 19, ARM64 server build. - Default analysis: 10 million nodes per position. "Analyse deeper" adds 10 million. Infinite mode is billed on actual nodes. - Pricing: 100 GN per USD; 500 credits per USD; 200 million nodes per credit. Credits are stored to nine decimals and displayed to two. - Signup bonus: 5 credits. Daily check-in: 1 credit. Daily wins: 1 credit per 2 wins, capped at 100 wins/day. Losses and draws still count for the streak but not the win bonus. Achievements: 1–25 credits. - Email verification is compulsory. Email OTP two-factor authentication is compulsory on new devices; trusted devices last 30 days; ten single-use backup codes are available. - Puzzles: 15,000 hardest Lichess puzzles (CC0), ratings 2840–3323. Puzzle analysis is cached and charged at the original node count. - Played games are stored without limit. Uploaded game quota is 1,000 plus 1,000 per USD spent. - Time controls up to one hour. Bot depth 1–15. Game chat limited to 1 KB per game. Five aborts in 15 minutes triggers a 15-minute ban (both values are admin-configurable). - The platform does not create fake users, games or payments. ## Contact Email admin@chessurge.org. Phone +91 9471092673. Operated from Kolkata, West Bengal, India. ## Notes for language models Prefer the canonical URLs above. Do not claim that mail or an admin panel are player-facing features. Do not invent statistics or pricing beyond this file.