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|[[Tic-tac-toe]]
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|[[PSPACE-complete]]<ref name="Reisch1980"/>
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|[[Sim (pencil game)|Sim]]
|style="text-align:right;"|15
|style="text-align:right;"|3
|style="text-align:right;"|8
|style="text-align:right;"|14
|style="text-align:right;"|3.7
|style="text-align:right;"|
|[[PSPACE-complete]]<ref>{{cite book|url=http://dl.acm.org/citation.cfm?id=647481.728124|title=The Complexity of Graph Ramsey Games|first=Wolfgang|last=Slany|date=26 October 2000|publisher=Springer-Verlag|pages=186–203|access-date=12 April 2018|via=dl.acm.org|isbn=9783540430803}}</ref>
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|[[Pentomino]]es
|style="text-align:right;"|64
|style="text-align:right;"|12
|style="text-align:right;"|18
|style="text-align:right;"|10
|style="text-align:right;"|75
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| {{dunno}}, but in [[PSPACE]]
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|[[Kalah]]<ref>See van den Herik et al for rules.</ref>
|style="text-align:right;"|14
|style="text-align:right;"|13
|style="text-align:right;"|18
|style="text-align:right;"|
|style="text-align:right;"|50
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|Generalization is unclear
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|[[Connect Four]]
|style="text-align:right;"|42
|style="text-align:right;"|13
|style="text-align:right;"|21
|style="text-align:right;"|36
|style="text-align:right;"|4
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| {{dunno}}, but in [[PSPACE]]
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|[[Domineering]] (8 × 8)
|style="text-align:right;"|64
|style="text-align:right;"|15
|style="text-align:right;"|27
|style="text-align:right;"|30
|style="text-align:right;"|8
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| {{dunno}}, but in [[PSPACE]]; in [[P (complexity class)|P]] for certain dimensions<ref>{{citation |author=Michael Lachmann |author2=Cristopher Moore |author3=Ivan Rapaport |title=Who wins domineering on rectangular boards? |volume=MSRI Combinatorial Game Theory Research Workshop |date=July 2000}}</ref>
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|[[Congkak]]
|style="text-align:right;"|14
|style="text-align:right;"|15
|style="text-align:right;"|33
|style="text-align:right;"|
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|[[English draughts|English draughts (8x8) (checkers)]]
|style="text-align:right;"|32
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|style="text-align:right;"|40
|style="text-align:right;"|70
|style="text-align:right;"|2.8
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|[[EXPTIME-complete]]<ref name="robson1984">{{cite journal | author = J. M. Robson | title = N by N checkers is Exptime complete | journal = [[SIAM Journal on Computing]] | volume = 13 | issue = 2 | pages = 252–267 | year = 1984 | doi = 10.1137/0213018}}</ref>
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|[[Oware|Awari]]<ref>See Allis 1994 for rules</ref>
|style="text-align:right;"|12
|style="text-align:right;"|12
|style="text-align:right;"|32
|style="text-align:right;"|60
|style="text-align:right;"|3.5
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|Generalization is unclear
|-
|[[Qubic]]
|style="text-align:right;"|64
|style="text-align:right;"|30
|style="text-align:right;"|34
|style="text-align:right;"|20
|style="text-align:right;"|54.2
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|[[PSPACE-complete]]<ref name="Reisch1980"/>
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|[[Computer bridge|Double dummy bridge]]{{refn|group=nb|'''Double dummy bridge''' (i.e. double dummy problems in the context of [[contract bridge]]) is not a proper board game but has a similar game tree, and is studied in [[computer bridge]]. The bridge table can be regarded as having one slot for each player and trick to play a card in, which corresponds to board size 52. Game-tree complexity is a very weak upper bound: 13! to the power of 4 players regardless of legality. State-space complexity is for one given deal; likewise regardless of legality but with many transpositions eliminated. Note that the last 4 plies are always forced moves with branching factor 1.}}
|style="text-align:right;"|(52)
|style="text-align:right;"|<17
|style="text-align:right;"|<40
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|style="text-align:right;"|5.6
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|align="left"|PSPACE-complete<ref>{{Cite book|last1=Bonnet|first1=Édouard|last2=Jamain|first2=Florian|last3=Saffidine|first3=Abdallah|date=2013-08-03|title=On the complexity of trick-taking card games|url=http://dl.acm.org/citation.cfm?id=2540128.2540199|publisher=AAAI Press|pages=482–488|isbn=9781577356332}}</ref>
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|[[Fanorona]]
|style="text-align:right;"|45
|style="text-align:right;"|21
|style="text-align:right;"|46
|style="text-align:right;"|44
|style="text-align:right;"|11
|
| {{dunno}}, but in [[EXPTIME]]
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|[[Nine men's morris]]
|style="text-align:right;"|24
|style="text-align:right;"|10
|style="text-align:right;"|50
|style="text-align:right;"|50
|style="text-align:right;"|10
|
| {{dunno}}, but in [[EXPTIME]]
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|[[Tablut]]
|style="text-align:right;"|81
|style="text-align:right;"|27
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|
|
|
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|[[International draughts|International draughts (10x10)]]
|style="text-align:right;"|50
|style="text-align:right;"|30
|style="text-align:right;"|54
|style="text-align:right;"|90
|style="text-align:right;"|4
|
|[[EXPTIME-complete]]<ref name="robson1984"/>
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|[[Chinese checkers]] (2 sets)
|style="text-align:right;"|121
|style="text-align:right;"|23
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|180
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|[[EXPTIME]]-complete <ref name=pebble>{{cite journal|title=Classes of Pebble Games and Complete Problems|journal= SIAM Journal on Computing| volume = 8| year = 1979 |pages= 574–586|author1=Takumi Kasai |author2=Akeo Adachi |author3=Shigeki Iwata |doi=10.1137/0208046|issue=4}} Proves completeness of the generalization to arbitrary graphs.</ref>
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|[[Chinese checkers]] (6 sets)
|style="text-align:right;"|121
|style="text-align:right;"|78
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|600
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|[[EXPTIME]]-complete <ref name=pebble/>
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|[[Reversi]] (Othello)
|style="text-align:right;"|64
|style="text-align:right;"|28
|style="text-align:right;"|58
|style="text-align:right;"|58
|style="text-align:right;"|10
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|[[PSPACE-complete]]<ref>{{cite journal |author1=S. Iwata |author2=T. Kasai | title = The Othello game on an n*n board is PSPACE-complete | journal = Theor. Comput. Sci. | issue = 2 | year = 1994 | pages = 329–340 | volume = 123 | doi = 10.1016/0304-3975(94)90131-7| doi-access = free }}</ref>
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|OnTop (2p base game)
|style="text-align:right;"|72
|style="text-align:right;"|88
|style="text-align:right;"|62
|style="text-align:right;"|31
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|
url = https://project.dke.maastrichtuniversity.nl/games/files/msc/Briesemeister_Thesis.pdf |
author = Robert Briesemeister | year=2009 | publisher = Maastricht University, Dept of Knowledge Engineering }}</ref>
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|[[Lines of Action]]
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|style="text-align:right;"|23
|style="text-align:right;"|64
|style="text-align:right;"|44
|style="text-align:right;"|29
|
| {{dunno}}, but in [[EXPTIME]]
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|[[Gomoku]] (15x15, freestyle)
|style="text-align:right;"|225
|style="text-align:right;"|105
|style="text-align:right;"|70
|style="text-align:right;"|30
|style="text-align:right;"|210
|
|[[PSPACE-complete]]<ref name="Reisch1980"/>
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|[[Hex (board game)|Hex (11x11)]]
|style="text-align:right;"|121
|style="text-align:right;"|57
|style="text-align:right;"|98
|style="text-align:right;"|50
|style="text-align:right;"|96
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|[[PSPACE-complete]]<ref name="Reisch1980">{{cite journal | author = Stefan Reisch | title = Hex ist PSPACE-vollständig (Hex is PSPACE-complete) | journal = Acta Inform. | issue = 15 | year = 1981 | pages = 167–191}}</ref>
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|[[Chess]]
|style="text-align:right;"|64
|style="text-align:right;"|44
|style="text-align:right;"|123
|style="text-align:right;"|70
|style="text-align:right;"|35
|
|author=Claude Shannon
|author-link=Claude Shannon
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|[[Bejeweled]] and [[Candy Crush Saga|Candy Crush]] (8x8)
|style="text-align:right;"|64
|style="text-align:right;"|<50
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|70
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|[[NP-hard]]
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|[[GIPF (game)|GIPF]]
|style="text-align:right;"|37
|style="text-align:right;"|25
|style="text-align:right;"|132
|style="text-align:right;"|90
|style="text-align:right;"|29.3
|
url = https://project.dke.maastrichtuniversity.nl/games/files/msc/Wentink_thesis.pdf |
author = Diederik Wentink | year=2001 | publisher = Maastricht University}}</ref>
|style="text-align:right;"|
|-
|[[Connect6]]
|style="text-align:right;"|361
|style="text-align:right;"|172
|style="text-align:right;"|140
|style="text-align:right;"|30
|
|
|[[PSPACE|PSPACE-complete]]<ref>{{cite journal|url=http://dl.acm.org/citation.cfm?id=1290195.1290250|title=On the fairness and complexity of generalized k -in-a-row games|first1=Ming Yu|last1=Hsieh|first2=Shi-Chun|last2=Tsai|date=1 October 2007|journal=Theoretical Computer Science|volume=385|issue=1–3|pages=88–100|access-date=12 April 2018|via=dl.acm.org|doi=10.1016/j.tcs.2007.05.031|doi-access=free}}</ref>
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|[[Backgammon]]
|style="text-align:right;"|28
|style="text-align:right;"|20
|style="text-align:right;"|144
|style="text-align:right;"|55
|style="text-align:right;"|250
|
|Generalization is unclear
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|[[Xiangqi]]
|style="text-align:right;"|90
|style="text-align:right;"|40
|style="text-align:right;"|150
|style="text-align:right;"|95
|style="text-align:right;"|38
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| {{dunno}}, believed to be [[EXPTIME-complete]]
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|[[Abalone (board game)|Abalone]]
|style="text-align:right;"|61
|style="text-align:right;"|25
|style="text-align:right;"|154
|style="text-align:right;"|87
|style="text-align:right;"|60
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|[[PSPACE-hard]], and in [[EXPTIME]]
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|[[Havannah]]
|style="text-align:right;"|271
|style="text-align:right;"|127
|style="text-align:right;"|157
|style="text-align:right;"|66
|style="text-align:right;"|240
|
|[[PSPACE-complete]]<ref>{{cite arXiv |author1=E. Bonnet |author2=F. Jamain |author3=A. Saffidine | title = Havannah and TwixT are PSPACE-complete | date = 2014-03-25 | eprint = 1403.6518 | class = cs.CC}}</ref>
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|[[TwixT|Twixt]]
|style="text-align:right;"|572
|style="text-align:right;"|140
|style="text-align:right;"|159
|style="text-align:right;"|60
|style="text-align:right;"|452
|
url = https://project.dke.maastrichtuniversity.nl/games/files/msc/Thesis_Moesker.pdf |
author = Kevin Moesker | year=2009 | publisher = Maastricht University, Faculty of Humanities and Sciences of Maastricht University }}</ref>
|style="text-align:right;"|
|-
|[[Janggi]]
|style="text-align:right;"|90
|style="text-align:right;"|44
|style="text-align:right;"|160
|style="text-align:right;"|100
|style="text-align:right;"|40
|
| {{dunno}}, believed to be [[EXPTIME-complete]]
|-
|[[Quoridor]]
|style="text-align:right;"|81
|style="text-align:right;"|42
|style="text-align:right;"|162
|style="text-align:right;"|91
|style="text-align:right;"|60
|
| {{dunno}}, but in [[PSPACE]]
|-
|[[Carcassonne (board game)|Carcassonne]] (2p base game)
|style="text-align:right;"|72
|style="text-align:right;"|>40
|style="text-align:right;"|195
|style="text-align:right;"|71
|style="text-align:right;"|55
|
url = https://project.dke.maastrichtuniversity.nl/games/files/msc/MasterThesisCarcassonne.pdf |
author = Cathleen Heyden | year=2009 | publisher = Maastricht University, Dept of Knowledge Engineering }}</ref>
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|[[Game of the Amazons|Amazons (10x10)]]
|style="text-align:right;"|100
|style="text-align:right;"|40
|style="text-align:right;"|212
|style="text-align:right;"|84
|
|
|[[PSPACE-complete]]<ref>{{cite arXiv | author = R. A. Hearn | title = Amazons is PSPACE-complete | date = 2005-02-02 | eprint = cs.CC/0502013 }}</ref>
|-
|[[Shogi]]
|style="text-align:right;"|81
|style="text-align:right;"|71
|style="text-align:right;"|226
|style="text-align:right;"|115
|style="text-align:right;"|92
|
|[[EXPTIME-complete]]<ref>{{cite journal |author1=H. Adachi |author2=H. Kamekawa |author3=S. Iwata | title = Shogi on n × n board is complete in exponential time | journal = Trans. IEICE | volume= J70-D | pages = 1843–1852 | year = 1987}}</ref>
|-
|[[Thurn and Taxis (board game)|Thurn and Taxis]] (2 player)
|style="text-align:right;"|33
|style="text-align:right;"|66
|style="text-align:right;"|240
|style="text-align:right;"|56
|style="text-align:right;"|879
|
|
|-
|[[Go (game)|Go (19x19)]]
|style="text-align:right;"|361
|style="text-align:right;"|170
|style="text-align:right;"|360
|style="text-align:right;"|150
|style="text-align:right;"|250
|
|[[EXPTIME-complete]]<ref name="Robson1983">{{Cite book | author = J. M. Robson | chapter = The complexity of Go | title = Information Processing; Proceedings of IFIP Congress | year = 1983 | pages = 413–417}}</ref>
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|[[Arimaa]]
|style="text-align:right;"|64
|style="text-align:right;"|43
|style="text-align:right;"|402
|style="text-align:right;"|92
|
|
| {{dunno}}, but in [[EXPTIME]]
|-
|[[Stratego]]
|style="text-align:right;"|92
|style="text-align:right;"|115
|style="text-align:right;"|535
|style="text-align:right;"|381
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|
|style="text-align:right;"|
|-
|[[Infinite chess]]{{refn|group=nb|'''Infinite chess''' is a class of games, which includes [[Infinite chess#Variations|'''Chess on an Infinite Plane''']] and [[Infinite chess#Variations|'''Trappist-1''']] as examples.<ref>[http://www.chessvariants.com/invention/chess-on-an-infinite-plane Chess on an Infinite Plane] game rules</ref><ref>[http://www.chessvariants.com/invention/trappist-1 Trappist-1] game rules</ref>}}
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|{{Unknown}}, but mate-in-n is decidable<ref name="Brumleve2012">{{cite journal | author = Stefan Reisch, Joel David Hamkins, and Phillipp Schlicht | title = The mate-in-n problem of infinite chess is decidable | journal = Conference on Computability in Europe | year = 2012 | pages = 78–88 | arxiv = 1201.5597 | url = https://arxiv.org/pdf/1201.5597.pdf}}</ref>
|-
|[[Magic: the Gathering]]
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|
|style="text-align:right;"|
|
|AH-hard<ref name="Biderman">{{cite arXiv | author = Stella Biderman | title = Magic: the Gathering is as Hard as Arithmetic | year = 2020 | class = cs.AI | eprint = 2003.05119 <!-- | url = https://arxiv.org/pdf/2003.05119.pdf -->}}</ref>
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