Prisoner's Dilemma Tournament

CS51 Problem Set 1

Latest Tournament Results

Status: Completed

Completed: September 19, 2026 at 08:00 PM EDT

Participants: 25

Leaderboard

Rank Pseudonym Average Score
#1 random maybe-1 1.9326
#2 TwoTats-18 1.9055
#3 engineer-4 1.8298
#4 Majority Response-6 1.8179
#5 :)-5 1.7114
#6 Nice Girl-15 1.7000
#7 fuzzy_pancakes-13 1.6980
#8 generous-tit-for-tat-12 1.6440
#9 EMA Papi-16 1.6437
#10 two-step tit-for-tat-10 1.5991
#11 malefiCTFT-17 1.5952
#12 BIG BOYYYYYY-23 1.5835
#13 cocochief-22 1.5728
#14 JBlitzy-20 1.3083
#15 tit-for-tat-with-grudge-19 1.2549
#16 cooptilldef-0 1.0808
#17 hedgehog-14 1.0549
#18 grim_reaper104-11 1.0370
#19 janedoe-3 0.7548
#20 xiph-21 0.6397
#21 tzatziki-2 0.5541
#22 Friendly (esque) prisoner-8 0.4202
#23 my awesome strategy that will win every tournament ever-24 0.3922
#24 malicious_pickle-7 0.3916
#25 The Stubborn Prisoner-9 0.3901