Tournament Practice Mode
Hong Kong has a vibrant Gomoku community following Chinese competitive rules. Practice with a 15×15 board and Black forbidden moves (禁手) — 三三, 四四, 长连.
The 香港五子棋錦標賽 (Hong Kong Gomoku Championship) is the flagship Gomoku competition in Hong Kong, organized by the Hong Kong Gomoku Association. Below are the core rules used in the championship, which this practice board enforces automatically.
Played on a 15×15 grid. One player uses black stones, the other white stones. Black always moves first.
The first player to form an unbroken line of five stones horizontally, vertically, or diagonally wins. White may also win with five or more (overline allowed for White). Black must form exactly five — six or more is a forbidden move.
To balance Black's first-move advantage, Black is forbidden from creating three patterns. If Black plays a forbidden move, Black loses immediately:
Black can only win by a 四三 (Four-Three) — one four and one three from the same move.
If the entire board fills up without either player forming five in a row, the game is a draw.
Note on the rule system: Hong Kong follows the Chinese Gomoku competition rules (中国五子棋竞赛规则) with forbidden moves for Black. Hong Kong players frequently participate in mainland China tournaments, so the rules are kept fully compatible with the national standard. The core competitive rules above — 15×15 board and Black forbidden moves — are what this practice board enforces.
The 香港五子棋錦標賽 (Hong Kong Gomoku Championship) is Hong Kong's premier Gomoku competition. Hong Kong has a vibrant Gomoku scene, with active clubs and a steady stream of school-level competitions feeding into the championship.
Because Hong Kong follows the same Chinese Gomoku competition rules as the mainland, top Hong Kong players frequently participate in mainland China tournaments, including the China National Gomoku Championship. This shared rule set makes cross-border competition seamless.
Gomoku is popular in Hong Kong schools, with inter-school competitions building a pipeline of young talent into the championship. The school events use the same 15×15 board and Black forbidden-move rules, so practicing here prepares students for both school and championship play.
The Hong Kong Gomoku Championship uses the Chinese Gomoku competition rules (中国五子棋竞赛规则), played on a 15×15 board with Black forbidden moves (三三, 四四, 长连). Hong Kong keeps its rules fully compatible with the mainland national standard so that players can compete cross-border.
Black has three types of forbidden moves: 三三禁手 (double three) — creating two or more live threes in one move; 四四禁手 (double four) — creating two or more fours in one move; and 长连禁手 (overline) — forming six or more consecutive stones. If Black makes any of these moves, Black loses the game.
No. In the Hong Kong rules, Black can only win with exactly five consecutive stones. Six or more is a 长连禁手 (overline) and results in an immediate loss for Black. White, however, can win with five or more.
Yes. Because Hong Kong uses the same Chinese Gomoku competition rules as the mainland, top Hong Kong players frequently participate in mainland China tournaments, including the China National Gomoku Championship. The shared rule set makes cross-border competition seamless.
Hong Kong school competitions use the same 15×15 board and Black forbidden-move rules as the championship, so practicing here prepares students for both school and championship play. The championship level simply features stronger opposition and stricter pairing systems.