Table 1.
An overview of a selection of published tournaments.
Not all tournaments were ‘standard’ round robins; for more details see the indicated references.
Fig 1.
Diagrammatic representation of the looker up archetype.
Fig 2.
Diagrammatic representation of the Gambler archetype.
Table 2.
Standard tournament: Mean score per turn of top 15 strategies (ranked by median over 50000 tournaments).
The leaderboard is dominated by the trained strategies (indicated by a *).
Fig 3.
Diagrammatic representation of the ANN archetype.
Fig 4.
Diagrammatic representation of the finite state machine archetype.
Fig 5.
Evolved_FSM_16: Trained to maximize score in a standard tournament.
Fig 6.
Evolved_FSM_16_Noise_05: Trained to maximize score in a noisy tournament.
Fig 7.
Diagrammatic representation of the hidden markov model archetype.
Fig 8.
Scores for Tit for Tat over 50000 tournaments.
Fig 9.
Ranks for Tit for Tat over 50000 tournaments.
Fig 10.
Wins for Tit for Tat over 50000 tournaments.
Fig 11.
Standard tournament: Mean score per turn (strategies ordered by median score over 50000 tournaments).
Fig 12.
Standard tournament: Mean score per turn of row players against column players (ranked by median over 50000 tournaments).
Table 3.
Standard tournament: Number of wins per tournament of top 15 strategies (ranked by median wins over 50000 tournaments).
Fig 13.
Standard tournament: Number of wins per tournament (ranked by median over 50000 tournaments).
Table 4.
Standard tournament: Number of wins per tournament of top 15 strategies (ranked by median score over 50000 tournaments) * indicates that the strategy was trained.
Table 5.
Standard tournament: Rank in each tournament of top 15 strategies (ranked by median over 50000 tournaments) * indicates that the strategy was trained.
Fig 14.
Standard tournament: Rank in each tournament (ranked by median over 50000 tournaments).
Fig 15.
Cooperation rates for EvolvedLookerUp_2_2_2 (strategies ordered by median score over 10000 tournaments).
Fig 16.
Cooperation rates for Evolved_HMM_5 (strategies ordered by median score over 10000 tournaments).
Fig 17.
Cooperation rates for Evolved_FSM_16 (strategies ordered by median score over 10000 tournaments).
Table 6.
Noisy (5%) tournament: Mean score per turn of top 15 strategies (ranked by median over 50000 tournaments) * indicates that the strategy was trained.
Fig 18.
Noisy (5%) tournament: Mean score per turn (strategies ordered by median score over 50000 tournaments).
Fig 19.
Noisy (5%) tournament: Mean score per turn of row players against column players (ranked by median over 50000 tournaments).
Table 7.
Noisy (5%) tournament: Number of wins per tournament of top 15 strategies (ranked by median wins over 50000 tournaments).
Fig 20.
Noisy (5%) tournament: Number of wins per tournament (strategies ordered by median score over 50000 tournaments).
Table 8.
Noisy (5%) tournament: Number of wins per tournament of top 15 strategies (ranked by median score over 50000 tournaments) * indicates that the strategy was trained.
Table 9.
Noisy (5%) tournament: Rank in each tournament of top 15 strategies (ranked by median over 50000 tournaments) * indicates that the strategy was trained.
Fig 21.
Noisy (5%) tournament: Rank in each tournament (strategies ordered by median score over 50000 tournaments).
Fig 22.
Cooperation rates for DBS (strategies ordered by median score over 10000 tournaments).
Fig 23.
Cooperation rates for Evolved_ANN_5_Noise_05 (strategies ordered by median score over 10000 tournaments).
Fig 24.
Cooperation rates for Evolved_FSM_16_Noise_05 (strategies ordered by median score over 10000 tournaments).