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Community realm. Read the code first. Community realm, deployed by its author. Read the code before you interact or send coins.

minichess package

Overview

Package minichess is an on-chain chess game (standard 8x8 board).

Two ways to play:

  • Solo: NewSoloGame starts a game against the built-in bot. The bot replies inside the same transaction as your move.
  • Two players: Challenge creates a game (open to anyone, or for one invited address); AcceptChallenge takes the empty seat.

Moves use coordinate notation: "e2e4", "g1f3", castling as the king's move ("e1g1"), en passant as the pawn's move to the target square, and promotion as "e7e8" (queen) or "e7e8n" (under-promotion). Visit the realm in gnoweb to see the board and click legal moves.

Function

Challenge

func Challenge(cur realm, opponent string, color string) int
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Challenge creates a two-player game. opponent may be empty (anyone can accept) or a g1... address (only they can accept). color is the challenger's side: "white", "black" or "random".

Params

Command

# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.

gnokey maketx call -pkgpath "gno.land/r/g1um2pwwnx3gn8p3ryfdert8mhpu4u4up49sc9ru/minichess" -func "Challenge" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -chainid "onyx-1" -remote "https://rpc.onyx.testnets.gno.land" ADDRESSgnokey query -remote "https://rpc.onyx.testnets.gno.land" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/g1um2pwwnx3gn8p3ryfdert8mhpu4u4up49sc9ru/minichess" -func "Challenge" -args $'' -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -broadcast=false ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "onyx-1" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.onyx.testnets.gno.land" call.tx