Day 10 · Week 02 · Forks
Rook & Queen Forks
Teach line-piece forks and the importance of open files/ranks in double attacks.
Rook and queen forks are often hidden inside forcing checks. A queen check may also attack a rook; a rook penetration may hit king and queen along a rank. Because these pieces are valuable, the landing square and counter-capture matter more than with a knight.
The student must calculate exchange sequences, not simply count attacked pieces.
Training flow: 1. Open-file/rank scan. 2. Checking fork demonstration. 3. Exchange-count exercise. 4. Defensive resource search. 5. Timed mixed set.
Common errors: Winning a rook but losing the queen. Ignoring discovered attacks on the forking piece. Counting gross material instead of net material. Missing a simpler capture.
Mastery gate: 7/8 correct with correct net-material calculation on all queen exercises.
Review: For each wrong answer, write the complete exchange sequence to the first stable position.
Duration: 65–80 min
Find the queen fork.
LESSON · difficulty 2 · fork/queen · 0s · attempts 0 · hints 0
Queen fork: Qa6+ attacks two targets. After Kb8, Qxc8+ wins material.
Find the queen fork.
THINK · difficulty 2 · fork/queen · 0s · attempts 0 · hints 0
Find the rook fork.
PUZZLE · difficulty 2 · fork/rook · 0s · attempts 0 · hints 0
Find the rook fork.
PUZZLE · difficulty 2 · fork/rook · 0s · attempts 0 · hints 0
The queen fork fails. Find the move that verifies it first.
PUZZLE · difficulty 2 · fork/queen · 0s · attempts 0 · hints 0
Clear the line, then find the rook fork.
PUZZLE · difficulty 2 · fork/rook · 0s · attempts 0 · hints 0
Your loose piece is attacked. Save it.
PUZZLE · difficulty 2 · loose piece/save · 0s · attempts 0 · hints 0
You are in check. Find the move that keeps the most material.
PUZZLE · difficulty 2 · defense/check · 0s · attempts 0 · hints 0