The clock is ticking and you have a checkmate-in-four. Are you able to solve it with one minute left, before your time runs out?
The Excalibur II is an excellent digital chess clock for tournaments or chess clubs.
BuyRevised 10th Anniversary Edition! An instructional workbook containing 434 carefully selected problems presented in worksheet format.
BuyStrong plastic pieces, and a durable fabric-backed vinyl board.
Buy