Imitator problems could be difficult because the final mate that arrives after both sides move the imitator may be beyond one's ability to visualise. The switchback of the imitator to a1 gives this problem some artistic merit.
Imitator problems could be difficult because the final mate that arrives after both sides move the imitator may be beyond one's ability to visualise. The switchback of the imitator to a1 gives this problem some artistic merit.