Practical reference
Chess Board Practice
A mate-in-one rook puzzle is loaded rather than the normal opening position. Try to find the one-move checkmate.
Rules you can try
Start with two central pawns. Move knights before launching an early queen attack. A king is in check when an opposing piece attacks its square. You cannot leave your king in check. A player is checkmated if their king is attacked and no legal move remains. Castling moves the king two squares and the rook past the king; it is forbidden through check. En passant captures a pawn that has just advanced two squares. Promotion currently chooses a queen.
Three practical techniques
| Step | What to do |
|---|---|
| Start a new round | Use the New, Shuffle or Restart control when you want a fresh board. |
| Learn the rule | Read the instruction shown above the board. Not every game follows the same move rules. |
| Practise deliberately | Try a specific goal, such as winning without hints or reducing move count. |
Limitations and transparency
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