Sacrifices on the h-file and other blows against the king's shelter, each ending in mate or a winning attack. This is a tactics course with 7 lessons and 60 interactive exercises, suited to players rated around 1200 (improving players). Every exercise is played on a real board with feedback after each move, there is nothing to install, and it is free.
Lessons in Sacrifices on the king
Sacrifices on the h-file – Give up a piece on the h-file to open it: a rook or queen arriving on the open file next to the castled king is often deadly (on the a-file when the king castled long).
Sacrifices around the king – When the king's shelter is thin, a piece sacrifice next to it can decide the game. Count the attackers that follow up before you let the piece go.
Sacrifices around the king, part 2 – When the king's shelter is thin, a piece sacrifice next to it can decide the game. Count the attackers that follow up before you let the piece go. More positions, a little harder.
Sacrifices around the king, part 3 – When the king's shelter is thin, a piece sacrifice next to it can decide the game. Count the attackers that follow up before you let the piece go. More positions, a little harder.
Sacrifices around the king, part 4 – When the king's shelter is thin, a piece sacrifice next to it can decide the game. Count the attackers that follow up before you let the piece go. More positions, a little harder.
Sacrifices on the h-file, part 2 – Give up a piece on the h-file to open it: a rook or queen arriving on the open file next to the castled king is often deadly (on the a-file when the king castled long). More positions, a little harder.
Sacrifices around the king, part 5 – When the king's shelter is thin, a piece sacrifice next to it can decide the game. Count the attackers that follow up before you let the piece go. More positions, a little harder.
Next steps
Forks – One move, two targets: knight, pawn and queen forks, and double attacks by bishops and rooks.