Is Your Piece Safe?

Notice the opponent’s threats and check a destination before moving.

Beginner foundations
Learn the idea
Before your next move

First, notice the threat.

A piece is attacked when an opponent’s capture pattern reaches its square. Here, the black rook on d8 has a clear line to the white bishop on d4. If White ignores this threat, Black can capture the bishop next turn.

Follow the rook’s lineA clear path is a threat
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

White to move. White at the bottom. Position paused. Read the explanation to continue.

Position paused. Read the explanation to continue. Keyboard: arrows to explore, Enter or Space to activate, Escape to cancel. Home/End: row edges; Ctrl+Home/End: board edges.

Solid outline: selected. Dot: legal move. Ring: capture. Corner marks: last move. Exclamation mark: check. Dashed outline: instructional highlight. Instructional arrow from d8 to d4.

No moves yet

White’s perspective. Files a–h, ranks 1–8.

Before choosing a move, ask:
“What is my opponent attacking?”

Five practice positions, then a new-position check. Take your time.

Learn to see, then learn to choose.Progress stays in your browser.