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Fool's mate

(Redirected from Fool's Mate)
For other uses, see Fool's mate (disambiguation).

In chess, fool's mate is the checkmate delivered after the fewest possible moves from the game's starting position.[1] It arises from the following moves, or similar:

Fool's mate
abcdefgh
8
a8 black rook
b8 black knight
c8 black bishop
e8 black king
f8 black bishop
g8 black knight
h8 black rook
a7 black pawn
b7 black pawn
c7 black pawn
d7 black pawn
f7 black pawn
g7 black pawn
h7 black pawn
e6 black pawn
g4 white pawn
h4 black queen
f3 white pawn
a2 white pawn
b2 white pawn
c2 white pawn
d2 white pawn
e2 white pawn
h2 white pawn
a1 white rook
b1 white knight
c1 white bishop
d1 white queen
e1 white king
f1 white bishop
g1 white knight
h1 white rook
8
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abcdefgh
Fool's mate: White is checkmated.
Moves
  • 1.f3 e6 2.g4 Qh4#
  • 1.f3 e5 2.g4 Qh4#
  • 1.f4 e6 2.g4 Qh4#
  • 1.f4 e5 2.g4 Qh4#
  • 1.g4 e6 2.f3 Qh4#
  • 1.g4 e6 2.f4 Qh4#
  • 1.g4 e5 2.f3 Qh4#
  • 1.g4 e5 2.f4 Qh4#
OriginGioachino Greco (c. 1620), via Francis Beale (1656)
ParentBarnes Opening, Bird Opening, or Grob's Attack
This article uses algebraic notation to describe chess moves.
1. f3 e6
2. g4?? Qh4#

The mate can be achieved in two moves only by Black, giving checkmate on the second move with the queen. Fool's mate received its name because it can occur only if White commits an extraordinary blunder. Black can be mated in an analogous way, although this requires an additional move, with White's queen delivering checkmate on the third move. Even among rank beginners, this checkmate rarely occurs in practice.

The mate is an illustration of the kingside weakness shared by both players along the f- and g-files during the opening phase of the game. A player may also suffer an early checkmate if the f- and g-pawns are advanced prematurely and the kingside is not properly defended, as shown in historical miniature games recorded in chess literature.

History

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Fool's mate was named and described in The Royal Game of Chess-Play, a 1656 text by Francis Beale that adapted the work of the early chess writer Gioachino Greco.[2]

Prior to the mid-19th century, there was not a prevailing convention as to whether White or Black moved first; according to Beale, the matter was to be decided in some prior contest or decision of the players' choice.[3] In Beale's example, Black was the player to move first, with each player making two moves to various squares or "houses", after which White achieved checkmate.

The Fooles Mate

Black Kings Biſhops pawne one houſe.
White Kings pawne one houſe.
Black kings knights pawne two houſes

White Queen gives Mate at the contrary kings Rookes fourth houſe

— Beale, The Royall Game of Chesse-Play[4]

Beale's example can be paraphrased in modern terms where White always moves first, algebraic notation is used, and Black delivers the fastest possible mate after each player makes two moves: 1.f3 e6 2.g4 Qh4#

Move sequence possibilities

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There are eight distinct ways in which fool's mate can be reached.[1] White may alternate the order of f- and g-pawn moves, Black may play either e6 or e5, and White may move their f-pawn to f3 or f4.

Variations

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Mating patterns similar to fool's mate can occur early in the game. Such patterns in historical games illustrate the weakness along the e1–h4 and e8–h5 diagonals early in the game. White can mate Black using a pattern that resembles fool's mate, though it takes at least an extra turn.

White to mate in three moves

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abcdefgh
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abcdefgh
A problem with White to mate instead, given by Fischer and Polgár.

White can achieve a checkmate similar to fool's mate. When the roles are reversed, however, White requires an extra third turn or half-move, known in computer chess as a ply. In both cases, the principle is the same: a player advances their f- and g-pawns such that the opponent's queen can mate along the unblocked diagonal. A board position illustrating White's version of fool's mate—with White to mate—was given as a problem in Bobby Fischer Teaches Chess, and also as an early example in a compendium of problems by László Polgár.[5] The solution in Fischer's book bore the comment "Black foolishly weakened his King's defenses. This game took three moves!!"[6] One possible sequence leading to the position is 1. e4 g5 2. d4 f6?? 3. Qh5#.

A possibly apocryphal variant of the fool's mate has been reported by several sources. The 1959 game 1. e4 g5 2. Nc3 f5?? 3. Qh5# has been attributed to Masefield and Trinka, although the first player's name has also been reported as Mayfield or Mansfield and the second player's name as Trinks or Trent.[7][8][9][10][11] Further, a similar mate can occur in From's Gambit: 1. f4 e5 2. g3? exf4 3. gxf4?? Qh4#.

There are other possible three-move mates for White, such as 1. e4 e5 2. Qh5 Ke7?? 3. Qxe5#. The total number is 347.[12]

Black to mate in three moves

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If the typical fool's mate setup is played, except White plays h3 instead of g4, a similar forced mate can result: 2... Qh4+ 3. g3 Qxg3#. Like fool's mate, there are eight distinct ways for this to happen.

Teed vs. Delmar

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Teed vs. Delmar, 1896
abcdefgh
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After 6...Rh6?? White mates in two moves.

A well-known trap in the Dutch Defence occurred in the game Frank Melville Teed–Eugene Delmar, 1896:[13][14]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 f4

It seems that Black has won the bishop, but now comes ...

5. e3

Threatening Qh5#.

5... h5 6. Bd3?!

Probably better is 6.Be2, but the move played sets a trap.

6... Rh6??

Defending against Bg6#, but ...

7. Qxh5+!

White sacrifices his queen to draw the black rook away from its control of g6.

7... Rxh5 8. Bg6#

Greco vs. NN

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Greco vs. NN
abcdefgh
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abcdefgh
Final position after 8.Bg6#

A similar trap occurred in a game published by Gioachino Greco in 1625:

1. e4 b6
2. d4 Bb7
3. Bd3 f5?
4. exf5 Bxg2?
5. Qh5+ g6
6. fxg6 Nf6??

Opening up a flight square for the king at f8 with 6...Bg7 would have prolonged the game. White still wins with 7.Qf5! Nf6 8.Bh6 Bxh6 9.gxh7 Bxh1 (9...e6 opens another flight square at e7; then White checks with 10.Qg6+ Ke7) 10.Qg6+ Kf8 11.Qxh6+ Kf7 12.Nh3, but much slower than in the game.[15]

7. gxh7+! Nxh5
8. Bg6#

See also

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References

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  1. ^ a b Hooper, David; Whyld, Kenneth (1992). The Oxford Companion to Chess (2nd ed.). Oxford University Press. p. 143. ISBN 9780198661641.
  2. ^ Beale, Francis (29 August 2021). The Royall Game of Chesse-Play. p. 17, .pdf p. 49.
  3. ^ Beale 1656, p. 10 (.pdf p. 42).
  4. ^ Beale 1656, p. 17 (.pdf p. 49).
  5. ^ Polgár, László (1994). Chess: 5334 Problems, Combinations, and Games. Tess Press. p. 57. ISBN 9781579121303. Problem No. 14.
  6. ^ Fischer, Bobby; Margulies, Stuart; Mosenfelder, Donn (1972). Bobby Fischer Teaches Chess. Bantam. pp. 95–96. ISBN 9780553263152. Problem No. 73.
  7. ^ Mike Fox and Richard James (1993). The Even More Complete Chess Addict. Faber and Faber. p. 177.
  8. ^ Winter, Edward (2005). Chess Facts and Fables. McFarland & Co. pp. 253–254. ISBN 978-0-7864-2310-1.
  9. ^ Edward G. Winter (August 2006). "Chess Notes 4493. Short game".
  10. ^ Edward G. Winter (August 2006). "Chess Notes 4506. Short game (C.N. 4493)".
  11. ^ Averbakh, Yuri Lvovich; Beilin, Mikhail Abramovich (1972). Путешествие в шахматное королевство (in Russian). Fizkultura i sport. p. 227.
  12. ^ "A079485 - OEIS". The On-Line Encyclopedia of Integer Sequences. Retrieved 23 August 2023.
  13. ^ "Teed vs. Delmar". Chessgames.com. Retrieved December 16, 2020.
  14. ^ Edward G. Winter (September 3, 2006). "Chess Notes 4561. 1 d4 f5 2 Bg5".
  15. ^ Lev Alburt (2011). Chess Openings for White, Explained. Chess Information Research Center. p. 509.
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