PART 2 • Getting help from chess king
It's that simple. Let's look at an example before we return
to Kara and her chess quest.
• White has just moved his Rook from h3 to a3. If he could move twice in
a row (in other words move again before Black has a chance to play a
move of his own), White would play Ra8 – which would be checkmate.
So White's threat in this position is the move Ra8#.
• Chess King's hint box contains a feature which will show your
opponent's threat in any position. When you click on “Show Opponent
Move”, Chess King will display what your opponent would do if he or
she (or, in this case, it since we're talking about Houdini 4) could make
a second move right away – in other words, Show Opponent Move
makes Chess King show your opponent's threat.
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chessking.com