An Original Chess Variant · AI-powered development with Claude

Chaos Chess

Four game modes. Eight leagues. Every piece deployed from move one.

How to Play

Shootout Rules

The Board

A standard chessboard with columns a, b, g, and h removed — leaving a tight 4×8 battlefield on files c through f. Every piece starts fully deployed. No opening phase. The fight begins immediately.

Turn Timer

Each player has a set number of seconds per turn — from 5 seconds in Bullet to 60 in Classic. The bar drains in real time. Run out of time and you lose instantly. No exceptions.

Winning

Checkmate the enemy king for an instant win. On timeout or stalemate, piece points decide — Queen=9, Rook=5, Bishop=3, Knight=3, Pawn=1. Highest total wins.

The Sacrifice Rule

In sacrifice leagues, you can voluntarily remove one of your own pieces instead of moving — at double the point penalty. Use it to open lines, set traps, or deny your opponent a capture.

Brawl

The full 8×8 board with two players per team. Each player controls their half but pieces can move anywhere. Win by checkmating BOTH enemy kings. Coordinate with your teammate.

Eight Leagues

Bullet (5s), Blitz (10s), Rapid (30s), Classic (60s) — each available with or without the sacrifice rule. Eight separate ELO ratings. Placement series sets your starting rank per league.

Current Season
Season 1
Season Ends
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Featured League

Game Mode

Choose your format then pick a league.

Shootout
Classic 1v1 on the 4×8 board. Every piece deployed. Seconds to move.
4×8 board1v1
Brawl
2v2 team battle on the full 8×8 board. Coordinate to checkmate both enemy kings.
8×8 boardteam
League:
Shootout
White's Turn 10
White's turn
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Prestige 0 · Level 1
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Wins
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Losses
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Games
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League Ratings
ELO is calculated from all games · Online games use real opponent ELO
LeagueELOTierW/LPeak
Chaos Slots
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Piece Skins

Official Rulebook

Chaos Chess

Overview

Chaos Chess is an original fast-paced chess variant played on a 4×8 board. Unlike standard chess, every piece is deployed from the first move. There is no opening phase. Combat begins immediately and is governed by a per-turn timer — run out of time and you lose instantly.

The Board

A standard 8×8 chessboard with columns a, b, g, and h removed. Only files c through f remain, creating a 4-column-wide battlefield. The board retains all 8 ranks. Pieces move using standard chess movement rules within these boundaries.

Starting Position

Both sides deploy all pieces at the start. From rank 8 to rank 1 (Black perspective): Bishop–Queen–King–Bishop on rank 8, Rooks on the outer squares of rank 7, Knights on the outer squares of rank 6, and four Pawns on rank 5. White mirrors this on ranks 1–4.

Turn Timer

Each player has a fixed number of seconds to make their move. The timer resets after every move. Running out of time is an immediate loss — there are no extensions, no delays. The timer duration is determined by the league format.

Bullet5 seconds per turn
Blitz10 seconds per turn
Rapid30 seconds per turn
Classic60 seconds per turn

Winning Conditions

Checkmate — place the enemy king in check with no legal escape. Instant win regardless of piece counts or remaining time.

Timeout — if a player's turn timer reaches zero, they lose immediately.

Stalemate/No legal moves — the player with the highest piece point total wins. If equal, it is a draw.

Piece Point Values

Queen9 points
Rook5 points
Bishop3 points
Knight3 points
Pawn1 point
King0 points

The Sacrifice Rule

Available in all non-Pure leagues. On your turn, instead of moving a piece, you may voluntarily remove one of your own pieces from the board. This costs double the piece's point value and counts as your full turn. The king cannot be sacrificed. Use it to open lines, bait your opponent, or deny them a capture.

Brawl Mode

Two players per team on a full 8×8 board — two mirrored setups side by side. Each player controls their own pieces but all pieces can move freely across the entire board. Teams win by checkmating both enemy kings. Turn order rotates: White P1 → Black P1 → White P2 → Black P2.

Standard Chess Rules

All standard chess rules apply within board constraints. You cannot move into check. Pawns promote on reaching the enemy back rank. White always moves first. No castling — kings are already exposed by design. No en passant.

ELO Tiers

Every league tracks your ELO separately. Play 10 total games to unlock Ranked mode. Your ELO starts at 1000 and adjusts after every game based on your result and your opponent's rating.

Pawn0 – 799Starting tier
Knight800 – 999Default starting ELO
Bishop1000 – 1199
Rook1200 – 1399
Queen1400 – 1599
King1600 – 1799
Grandmaster1800+Unlocks exclusive rewards

Levels & XP

You earn XP after every game regardless of result. Wins earn more than losses. Ranked games give double XP. Playing the featured league of the day gives 3× XP. Each level requires 250 XP and you can reach up to Level 30 before Prestiging.

Win (Casual)+100 XP
Loss (Casual)+40 XP
Win (Ranked)+200 XP
Loss (Ranked)+80 XP
Featured League3× XP multiplier

Prestige

When you reach Level 30, you Prestige. Your level resets to 1 but your Prestige count increases permanently. Each Prestige unlocks a new symbol that displays on your profile and in every game you play. There are 10 Prestige tiers — reaching Prestige X is the highest honour in Chaos Chess.

PrestigeSymbolLevels Required
II30
IIII60
IIIIII90
IVIV120
VV150
VIVI180
VIIVII210
VIIIVIII240
IXIX270
XX300 · Max Prestige

Each Prestige requires 30 levels × 250 XP = 7,500 XP per Prestige. Reaching Prestige X requires a total of 75,000 XP.

Each Prestige also unlocks an exclusive equippable badge. The badge icon escalates with each tier — from a single pawn all the way to the dark court.

PrestigeBadge IconBadge Name
IPrestige I
II♙♙Prestige II
IIIPrestige III
IV♘♘Prestige IV
VPrestige V
VIPrestige VI
VIIPrestige VII
VIIIPrestige VIII
IX♕♔Prestige IX
X♛♚Prestige X · Max

Chaos Slots

Win 5 games to earn a Chaos Token. Spend tokens to spin the slot machine for exclusive cosmetics — skins, board themes, effects, and badges that can't be unlocked any other way. The slot pool has 21 unique prizes across three rarity tiers.

Common60% chance
Rare30% chance
Epic10% chance
Designer's Note

Chaos Chess was designed as a fast, aggressive alternative to standard chess — a format where every piece matters from move one and games resolve in minutes rather than hours. The narrow board forces tactical play and punishes passive strategies. The timer keeps energy high. The sacrifice rule creates decisions that don't exist in any other chess format.

Friends

Add friends, accept requests, challenge them to games.

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Leaderboard

Ranked only · Season 1 ·

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