PD Arena
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Tournament
Head-to-Head Match
Select two strategies and watch them compete round by round.
Player A
Always Cooperate
Always Defect
Random
Tit For Tat
Tit For Two Tats
Generous TFT
Suspicious TFT
Hard TFT
Contrite TFT
Omega TFT
Joss
Tideman & Chieruzzi
Nydegger
Grofman
Shubik
Stein & Rapoport
Grudger
Davis
Graaskamp
Downing
Feld
Tullock
Anonymous
Gradual
Soft Majority
Hard Majority
Prober
Handshake
Pavlov
Adaptive
Extortioner
Equalizer
Player B
Always Cooperate
Always Defect
Random
Tit For Tat
Tit For Two Tats
Generous TFT
Suspicious TFT
Hard TFT
Contrite TFT
Omega TFT
Joss
Tideman & Chieruzzi
Nydegger
Grofman
Shubik
Stein & Rapoport
Grudger
Davis
Graaskamp
Downing
Feld
Tullock
Anonymous
Gradual
Soft Majority
Hard Majority
Prober
Handshake
Pavlov
Adaptive
Extortioner
Equalizer
Rounds: 200
50
500
Play Match