Library / Variants / King of the Hill
Variant · 1v1 · Casual / online

King of the Hill

also called: KotH

Win by checkmate — or by walking your king to the centre. Four central squares become a second way to end the game.

3+0 to 10+0typical time control
1v1player setup

King of the Hill — usually abbreviated KotH — adds one winning condition to standard chess: if you can walk your king onto one of the four central squares (d4, d5, e4, or e5) without being in check, you win immediately, regardless of material balance. The four central squares are colloquially called “the hill.”

Everything else about the game is standard chess. The pieces move the same way; castling, en passant, promotion, the fifty-move rule, threefold repetition all apply normally. Checkmate still wins. The hill is an alternative winning condition, not a replacement.

The rules

The board, pieces, and starting position are identical to standard chess. The four central squares (d4, d5, e4, e5) are the hill. A king that reaches any of these four squares — moving to it on the player’s own turn, and not being in check on arrival — wins the game immediately.

The king cannot be in check when it reaches the hill. A king move that both reaches the hill and walks into check is illegal, as in standard chess. A check delivered against a king already on the hill simply forces the king to move or block.

Castling does not win the game even if the king ends up on g1/c1, d1, or similar squares — castling moves the king to g1 or c1, neither of which is a hill square. There is no shortcut.

Strategic consequences

The most obvious change is that the centre — already the most contested area in standard chess — becomes the destination for the king. Opening play tends to value king mobility over king safety. Many KotH games see both kings begin walking toward the centre by move 15 or 20, escorted by minor pieces.

Defensive concepts shift accordingly. A king reaching e4 is a winning move; preventing it is the defender’s primary task. Blocking the hill squares with one’s own pieces or pawns is a structural goal, not just a tactical one. The pawn breaks that open the centre — usually celebrated in standard chess — become double-edged in KotH because they also open the king’s path.

In the endgame, KotH games often resemble king-and-pawn races where one side has a one-tempo advantage on reaching the hill. Calculation depth matters more than piece coordination; tactics involving the king’s mobility appear constantly.

Where to play

Lichess offers KotH with a continuous rating pool and daily tournaments. Chess.com hosts the variant on its variants page. The variant is one of the more accessible non-standard forms because the rules are easy to learn and most standard-chess intuition transfers directly. New players typically pick up the basic strategic adjustments within a dozen games.