Best Online Chess

Chess.com is a web-based platform offering comprehensive chess learning resources. It provides interactive lessons, tactical puzzles, and opportunities to play against other players of all skill levels. The site’s beginner-friendly approach makes it ideal for individuals new to the game or those see...

Crazyhouse is a dynamic chess variation introducing strategic complexity through piece capture. Captured pieces are immediately transferred to the opponent’s side and can be strategically ‘dropped’ back onto the board by the player who took them. This creates tactical opportunities and novel defensi...

Crazyhouse960 is a hybrid chess variant that combines the mechanics of two distinct chess variations. It merges the drop mechanic of Crazyhouse, where captured pieces return to the board in the opponent's hand to be placed as their own, with the randomized starting positions of Chess960, also known...

Atomic Chess is a tactical chess variant played primarily on online platforms. The defining mechanic is that capturing any piece triggers an explosion that immediately destroys both the capturing piece and the captured piece. Additionally, the blast removes any adjacent non-pawn pieces within a one-...

Duck Chess is a modern variant of standard chess in which a small, impassable rubber duck token is introduced to the board. After a player completes a traditional chess move, they must also move the duck to any adjacent, unoccupied square on the board. The square occupied by the duck becomes complet...

Fog of War Chess, also known as Dark Chess, is a variant where players can only see squares their own pieces could move to or attack, creating significant information asymmetry. Unlike standard chess with complete information, this variant requires players to develop strategies based on limited know...

Dark Chess is a chess variant using fog-of-war mechanics in which each player can see only the squares occupied or attacked by their own pieces. Unlike Kriegspiel, it generally requires no referee, with legality enforced by the game software or app. Moves are submitted normally, and attempting an il...

Racing Kings is a chess variant invented by the English game designer Vernon Rylands Parton in the 1960s. The game uses a standard board with a custom starting position in which pieces are arranged in rows without pawns. The objective is to move one's king to the eighth rank before the opponent does...

Three-Check Chess is a chess variant in which the winning condition is checking the opponent's king three times, rather than achieving checkmate. The game uses the standard board, standard starting position, and standard piece movements. The first player to deliver three cumulative checks—of any typ...

Losing Chess, also known as Antichess or Suicide Chess, is a chess variant in which the objective is reversed: a player wins by losing all of their pieces or being left with no legal moves. Captures are mandatory—when a capture is available, it must be taken. The king has no special status and can b...

Horde Chess is an asymmetric chess variant in which one player commands a standard chess army while the other controls a large force of pawns arranged across multiple ranks of the board. The pawn side must either eliminate the opposing army or promote enough pawns to overwhelm it, while the army sid...

Giveaway Chess is a historical variant of chess, also known as Losing Chess, where the primary objective is to give away all of one's pieces or be stalemated. This directly reverses the traditional goals of standard chess, forcing players to actively expose their king and sacrifice material. The rul...

Four-Player Chess is a modern variant of chess that expands the traditional game to accommodate four individuals competing simultaneously. Played on a specialized, enlarged board that extends from the standard 8x8 grid, participants score points by capturing opponent pieces and delivering checkmates...

Antichess, also referred to as Losing Chess, is a variant that reverses the traditional objective by requiring players to lose all of their pieces or be left with no legal moves. The defining mechanic dictates that captures are completely mandatory; if a player can make a capture, they must execute...

Suicide Chess is a chess variant that reverses the traditional objective of the standard game. The primary goal is for a player to lose all of their pieces or be left with no legal moves on the board. A defining rule is that capturing an opponent's piece is mandatory whenever a capture is available....

Kung Fu Chess is a real-time multiplayer variant where players can move any piece at any time without waiting for turns, though pieces have a cooldown before moving again.