blunder.life

Learn Chess the Right Way

A structured thinking framework, AI-powered commentary, and spaced repetition drills — everything you need to go from beginner to confident player.

See Pricing
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

White to move — find the checkmate

Everything You Need to Improve

Four integrated systems that work together to build real chess understanding, not just memorization.

Thinking System

A 4-step framework — opponent intent, forcing moves, positional play, blunder check — before every move. Build the habit that separates beginners from improvers.

Voice Commentary

AI explains every move in plain English. Understand why a move is brilliant, dubious, or a blunder without deciphering engine numbers.

Puzzle Trainer

Thousands of tactical puzzles with spaced repetition scheduling. The right puzzle at the right time so patterns stick in long-term memory.

Opening Repertoire

Build your own opening lines and drill them with SM-2 spaced repetition. Never forget your prep again.

Simple Pricing

Start free with generous daily limits. Upgrade when you want unlimited access to every feature.

Free

$0/mo

  • Unlimited free play & vs computer
  • 4-step thinking framework
  • 5 voice commentaries/day
  • 5 puzzles/day
  • 1 PGN analysis/day
  • 1 repertoire, 10 lines
  • Depth 12 engine
  • Last 10 games saved
RECOMMENDED

Pro

$4.99/mo

  • Everything in Free
  • Unlimited voice commentary
  • Unlimited puzzles
  • Unlimited PGN analysis
  • Full blunder refutation lines
  • Unlimited repertoires & lines
  • Depth 22 engine
  • Unlimited game history