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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.
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.
Another type is the tsugi no itte 'best next move' problem, which is non-checkmate problem of which the goal is to find the next best move/s that will give you an advantage, which may be encompass the endgame close to checkmate but may also include opening and middlegame strategies.)
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]
Also, when first presented, the black piece at h4 was a pawn, but a computer discovered an additional solution by 1.axb8=N hxg3+ 2.Kh3 Bxb8 3.Qxc2 and mate next move. Yarosh then substituted a knight on that square; now 1.axb8=N fails to 1...Nf3+ 2.Bxf3 Bxb8 3.Qxc2 Bxg3+ and White is too late.
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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.