Endgames Vault

Checkmate drills that actually stick

The same trainer, now for the basic mates and the classic rook endings. Learn the technique, then convert it without help.

Same loop, different end of the board

The Endgames Vault runs on the trainer you already know: browse the technique, learn the method, then play it back from a blank board under pressure. Muscle memory does not care whether it is an opening or an endgame.

It starts with the two basic mates - king and rook versus king, and king and queen versus king - both free to everyone. From there it goes through the Lucena and Philidor positions, the second-rank fortress, and the usual rook-versus-pawn endings that decide real games.

Drills that isolate the trick

Each endgame is broken into the exact pattern you need to recognise: the opposition, key squares, the Tarrasch rule, the Philidor position. Practice mode strips away everything except the position, so you are forced to find the technique, not remember a move number.

Progress per ending

Each endgame tracks your recall separately, so you can see at a glance which technique is solid and which still catches you out. The same per-line progress bar as the openings.

  • Free: king-and-rook mate and king-and-queen mate.
  • Free after sign-in: Lucena, Philidor, and more rook endings.
  • Paid plans add every checkmate and the full rook-endgame vault.

FAQs about endgames vault

Do I need a premium plan for the mates?

No. The king-and-rook and king-and-queen mates are free to everyone, guests included. The rest of the vault needs a paid plan.

Will I actually remember this under time pressure?

That is the whole point of Practice and Time trial. Learning the technique is step one; recovering it when the clock is running is step two, and it is trained separately.

Open the Endgames Vault See all courses

Release notes

What's new

Shipping history for ChessTropic, newest first. Open this anytime from the rail.

  1. v1.3 Latest

    Sparring bots, Puzzle Rush, and Coach Credits โ€” train against style, then race the clock.

    • added Sparring: Free training games against styled bots for every signed-in member โ€” no coaching lecture.
    • added Puzzle Rush: Solve against the clock โ€” 3:00 and 3 lives โ€” with its own all-time leaderboard.
    • added Coach Credits: Free members get a monthly allotment; Unlimited gets 100. Buy a one-time pack of 100 anytime.
    • improved Leaderboards: Daily, weekly, and all-time Practice boards now sit beside puzzle rating and Puzzle Rush.
    • improved Homepage: Clearer feature tour for Game Review, Blunder Override, Puzzles, AI Coach, and Sparring.
  2. v1.2

    AI Coach arrives, alongside Member Directory, Achievements, and a sharper ChessTropic shell.

    • added AI Coach: Play the Cyber Chameleon with live move notes, post-game debriefs, and follow-up chat.
    • added Member Directory: Browse public profiles and see who else is training.
    • added Achievements: Earn badges for practice streaks, puzzles, and milestones.
    • added Public profiles: Share a page for your practice stats, puzzle rating, and badges.
    • improved OpeningMatrix handoff: Opening trainer, Endgames Vault, Repertoire, and Community Courses open on OpeningMatrix when you need study tools.
    • fixed Safari: Board and shell layout fixes for Safari on macOS and iOS.
  3. v1.1

    Report, Blunder Override, and Game Review โ€” tools that help you understand your own play.

    • added Report: Track your Chess.com and Lichess ratings, and see which openings you play most.
    • added Blunder Override: Replay past games and walk through the exact moments you threw away a win.
    • added Game Review: Import games from Chess.com, Lichess, or a PGN for a move-by-move engine breakdown.
  4. v1.0

    The first build: opening trainer, Endgames Vault, progress tracking, repertoire builder, community courses, and live puzzles.

    • added Opening Trainer: Drill 100+ official starter courses with Learn, Practice, and Time Trial.
    • added Endgames Vault: King opposition, Lucena, Philidor, king and rook mate, and king and queen mate.
    • added Progress tracking: Personal learning progress, puzzle ratings, and daily practice streaks.
    • added Repertoire Builder: Build and drill your own opening courses as White or Black.
    • added Community Courses: Publish a course to share with other players.
    • added Live Puzzles: An all-time rating leaderboard that updates as you solve.