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In the Frankenstein–Dracula Variation of the Vienna Game (1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4), threatening checkmate with 4.Qh5 is the only way for White to play for an advantage. The Modern Defense, Monkey's Bum variation involves White threatening a Scholar's mate with an early Qf3.
In a helpmate in n moves, Black moves first, then White, each side moving n times, to culminate in White's nth move checkmating Black. (In a helpmate in 2 for example, sometimes abbreviated h#2 , the solution consists of a Black move, a White move, a second Black move, then a second White move, giving checkmate.)
The scholar's mate (also known as the four-move checkmate) is the checkmate achieved by the moves: 1. e4 e5 2. Qh5 Nc6 3. Bc4 Nf6?? 4. Qxf7# The moves might be played in a different order or in slight variation, but the basic idea is the same: the queen and bishop combine in a simple mating attack on f7 (or f2 if Black is performing the mate). [46]
The ladder mate, [17] [18] also known as a lawnmower mate, is by far one of the most common checkmate patterns. In this mate, two major pieces (which can be two queens, two rooks or one rook and one queen) work together to push the enemy king to one side of the board.
Black cannot make a mate line longer than the number of moves given in the problem (assuming the problem's author correctly constructed the problem). For instance, a mate in 65 puzzle cannot be extended to a mate in 225.
The history of chess puzzles reaches back to the Middle Ages and has since evolved. Usually the goal is to find the single best, ideally aesthetic move or a series of single best moves in a chess position, that was created by a composer or is from a real game. But puzzles can also set different objectives.
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The current record for the longest selfmate problem is a selfmate in 203, composed by Karlheinz Bachmann and Christopher Jeremy Morse in 2006. [3] The puzzle is based on a 1922 342-move composition by Ottó Titusz Bláthy, which was later found to be cooked.