Prisoner's Dilemma Tournament

CS51 Problem Set 1

Latest Tournament Results

Status: Completed

Completed: February 17, 2026 at 09:00 AM EST

Participants: 39

Leaderboard

Rank Pseudonym Average Score
#1 BEEFCAT-16 2.1357
#2 CountCowy-5 2.0522
#3 fair_and_square-28 1.9254
#4 :-)-4 1.8920
#5 Yiming Li-29 1.8776
#6 Zhangpu Trading-26 1.8711
#7 ultimate_winnerml-34 1.8550
#8 benitobowl-3 1.8514
#9 ReputationTFT-6 1.8498
#10 #1 strategy in the world-22 1.8254
#11 bob-19 1.8146
#12 ThreeStrikesAndOut-32 1.8001
#13 lebron_the_goat-35 1.7911
#14 6741_strat-7 1.7320
#15 TwoStrikes-36 1.7284
#16 cinnamonToastCrunch-13 1.7192
#17 forgiven but not forgetful-37 1.7129
#18 mrbaggins-1 1.6925
#19 lebron_pookie23-24 1.6675
#20 number1-17 1.5928
#21 icecreamfan-18 1.5714
#22 11:58pm craziness-31 1.5551
#23 Machado-20 1.5459
#24 dont_be_sneaky-14 1.5178
#25 select19807-11 1.5117
#26 annonymous_platypus-30 1.4763
#27 bongo bongo-25 1.3068
#28 interesting_strategy-38 1.2407
#29 Pavlov-0 1.1891
#30 TheDucker-15 1.1660
#31 Eulers_rule-10 1.0707
#32 we_only_defect_buddy-21 1.0169
#33 hehe-23 1.0125
#34 Kinda-Nice Guy-2 1.0097
#35 kola-12 1.0096
#36 Defector-9 0.9826
#37 ProCust9000-33 0.7141
#38 mindless-8 0.6280
#39 annoying-27 0.6278