Abstract strategy game

Abstract strategy games in contrast to strategy games in general usually have no or minimal narrative theme, outcomes determined only by player choice (with no or minimal randomness), and all players have perfect information about the game.[1] For example, Go is a pure abstract strategy game since it fulfills all three criteria; chess and related games are nearly so but feature a recognizable theme of ancient warfare; and Stratego is borderline since it is deterministic, loosely based on 19th-century Napoleonic warfare, and features concealed information.

The abstract strategy game of Go

Definition
The game Stratego

Combinatorial games have no randomizers such as dice, no simultaneous movement, nor hidden information. Some games that do have these elements are sometimes classified as abstract strategy games. (Games such as Continuo, Octiles, Can't Stop, and Sequence, could be considered abstract strategy games, despite having a luck or bluffing element.) A smaller category of abstract strategy games manages to incorporate hidden information without using any random elements; the best known example is Stratego.

Traditional abstract strategy games are often treated as a separate game category, hence the term 'abstract games' is often used for competitions that exclude them and can be thought of as referring to modern abstract strategy games. Two examples are the IAGO World Tour (2007–2010) and the Abstract Games World Championship held annually since 2008 as part of the Mind Sports Olympiad.[2]

Some abstract strategy games have multiple starting positions of which it is required that one be randomly determined. For a game to be one of skill, a starting position needs to be chosen by impartial means. Some games, such as Arimaa and DVONN, have the players build the starting position in a separate initial phase which itself conforms strictly to combinatorial game principles. Most players, however, would consider that although one is then starting each game from a different position, the game itself contains no luck element. Indeed, Bobby Fischer promoted randomization of the starting position in chess in order to increase player dependence on thinking at the board.[3]

As J. Mark Thompson wrote in his article "Defining the Abstract", play is sometimes said to resemble a series of puzzles the players pose to each other:[4][5]

There is an intimate relationship between such games and puzzles: every board position presents the player with the puzzle, What is the best move?, which in theory could be solved by logic alone. A good abstract game can therefore be thought of as a "family" of potentially interesting logic puzzles, and the play consists of each player posing such a puzzle to the other. Good players are the ones who find the most difficult puzzles to present to their opponents.

Many abstract strategy games also happen to be "combinatorial"; i.e., there is no hidden information, no non-deterministic elements (such as shuffled cards or dice rolls), no simultaneous or hidden movement or setup, and (usually) two players or teams take a finite number of alternating turns.

Many games which are abstract in nature historically might have developed from thematic games, such as representation of military tactics.[6] In turn, it is common to see thematic version of such games; for example, chess is considered an abstract game, but many thematic versions, such as Star Wars-themed chess, exist.

History
Achilles and Ajax playing a board game

Mancala is among the oldest known games to still be widely played today. Chess is believed to have originated in northwest India, in the Gupta Empire (c. 280–550),[7][8][9][10] where its early form in the 6th century was known as chaturaṅga (Sanskrit: चतुरङ्ग), literally four divisions [of the military] – infantry, cavalry, elephants, and chariotry, represented by the pieces that would evolve into the modern pawn, knight, bishop, and rook, respectively. Chaturanga was played on an 8×8 uncheckered board, called ashtāpada.[11] Shogi was the earliest chess variant to allow captured pieces to be returned to the board by the capturing player.[12] This drop rule is speculated to have been invented in the 15th century and possibly connected to the practice of 15th century mercenaries switching loyalties when captured instead of being killed.[13]

A board resembling a Draughts board was found in Ur dating from 3000 BC.[14] In the British Museum are specimens of ancient Egyptian checkerboards, found with their pieces in burial chambers, and the game was played by Queen Hatasu.[15][16] Plato mentioned a game, πεττεία or Petteia, as being of Egyptian origin,[16] and Homer also mentions it.[16] The game was later imported into the Roman Empire under the name ludus latrunculorum.[17]

Go was considered one of the four essential arts of the cultured aristocratic Chinese scholars in antiquity. The earliest written reference to the game is generally recognized as the historical annal Zuo Zhuan[18][19] (c. 4th century BC).[20]

Englishmen Lewis Waterman[21] and John W. Mollett both claim to have invented the game of Reversi in 1883, each denouncing the other as a fraud. The game gained considerable popularity in England at the end of the nineteenth century.[22] The game's first reliable mention is on 21 August 1886 edition of The Saturday Review.

Comparison

Analysis of "pure" abstract strategy games is the subject of combinatorial game theory. Abstract strategy games with hidden information, bluffing, or simultaneous move elements are better served by Von Neumann–Morgenstern game theory, while those with a component of luck may require probability theory incorporated into either of the above.

As for the qualitative aspects, ranking abstract strategy games according to their interest, complexity, or strategy levels is a daunting task and subject to extreme subjectivity. In terms of measuring how finite a mathematical field each of the three top contenders represents, it is estimated that checkers has a game-tree complexity of 1040 possible games, whereas chess has approximately 10123. As for Go, the possible legal game positions range in the magnitude of 10170.

Champions

The Mind Sports Olympiad first held the Abstract Games World Championship in 2008 to try to find the best abstract strategy games all-rounder.[2] The MSO event saw a change in format in 2011[23] restricting the competition to players' five best events, and was renamed to the Modern Abstract Games World Championship.

  • 2008: England David M. Pearce (England)
  • 2009: England David M. Pearce (England)
  • 2010: England David M. Pearce (England)
  • 2011: England David M. Pearce (England)
  • 2012: Estonia Andres Kuusk (Estonia)
  • 2013: Estonia Andres Kuusk (Estonia)

See also

References
  1. "Abstract_Games". BoardGameGeek.
  2. "Abstract Games". Mind Sports Olympiad. Archived from the original on March 25, 2012. Retrieved July 27, 2017.
  3. van Reem, Eric (May 31, 2001). "The birth of Fischer Random Chess". The Chess Variant Pages. Retrieved July 27, 2017.
  4. Thompson, J. Mark (July 2000). "Defining the Abstract". The Games Journal. Retrieved July 27, 2017.
  5. "Abstract strategy games and other genres out of scope of IAGO". International Abstract Games Organisation. Archived from the original on August 18, 2011.
  6. "SFE: Board Game". sf-encyclopedia.com. Retrieved 2022-08-21.
  7. Leibs (2004), p. 92
  8. Robinson & Estes (1996), p. 34
  9. Murray (1913)
  10. Bird (1893), p. 63
  11. "Ashtapada". Jean-Louis Cazaux. 2005-07-25. Retrieved 2013-07-16.
  12. "Shogi: Japanese Chess". The Chess Variant Pages. Retrieved 8 March 2012.
  13. Hodges, George, ed. (1980). "Shogi history & the variants". Shogi. No. 27. pp. 9–13.
  14. Oxland, Kevin (2004). Gameplay and design (Illustrated ed.). Pearson Education. p. 333. ISBN 978-0-321-20467-7.
  15. Strutt, Joseph (1801). The sports and pastimes of the people of England. London. p. 255.
  16. "Lure of checkers". The Ellensburgh Capital. 17 February 1916. p. 1. Retrieved 2009-04-16.
  17. Tilley, Arthur (November 1892). "Ludus Latrunculorum". The Classical Review. 6 (8): 335–336. doi:10.1017/S0009840X00186433. ISSN 0009-840X.
  18. Burton, Watson (April 15, 1992). The Tso Chuan. ISBN 978-0-231-06715-7.
  19. Fairbairn, John (1995). "Go in Ancient China". Retrieved 2007-11-02.
  20. "Warring States Project Chronology #2". University of Massachusetts Amherst. Archived from the original on 2007-12-19. Retrieved 2007-11-30.
  21. Note: He was not the Lewis Waterman who patented the Waterman fountain pen in 1884.
  22. "Brief history of Othello". Othello Museum. Beppi.it. Archived from the original on 16 May 2009. Retrieved 4 January 2015.
  23. "MSO XV Pentamind". Mind Sports Olympiad. August 28, 2011. Archived from the original on July 22, 2012.
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