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In developmentVariants2 players

Crazyhouse

Captured pieces become yours to drop

Anything you capture joins your side and can be dropped back onto an empty square later. Positions never simplify.

How it plays

  • 1

    Captured pieces go to your reserve and switch to your color.

  • 2

    Instead of moving, you may drop a reserve piece onto any empty square.

  • 3

    Pawns may not be dropped on the first or eighth rank.

  • 4

    Your reserve is displayed on the board's edge.

What the lights do

Your reserve is listed along the side rank, and legal drop squares light up when you hold a spare piece.

What you need

  • One board
  • Spare pieces

Runs on

Open Chess Board · ESP32-S3

Built by Concept Bytes

More variants

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Make it yours

Source for this game hasn’t been published yet. Any game built on OpenChessCore is a good starting point — the sensors, lights, battery, and USB link are already handled, so a new game is only its rules.

This mode is still being built

The rules and the install path are designed and wired up, but the sketch hasn’t been written yet. Everything on this page is real except the binaries themselves.