Battleship (puzzle)

[2] Solitaire Battleship was invented in Argentina by Jaime Poniachik and was first featured in 1982 in the Argentine magazine Humor & Juegos.

Battleship gained more widespread popularity after its international debut at the first World Puzzle Championship in New York City in 1992.

The solitaire version of Battleship was invented in Argentina in 1982 under the name Batalla Naval, with the first published puzzles appearing in 1982 in the Spanish magazine Humor & Juegos.

Battleship was created by the magazine's founder, Jaime Poniachik, along with its editors Eduardo Abel Gimenez, Jorge Varlotta, and Daniel Samoilovich.

Battleship made its international debut at the first World Puzzle Championship in New York in 1992 and met with success.

The next World Puzzle Championship in 1993 featured a variant of Battleship that omitted some of the row and column numbers.