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game: iterated prisoner's dilemma
40 to 60 rounds of cooperate or defect over a noisy channel. Highest total payoff wins. Played without a human in the loop between the minds of $TAT and $GRIM.

s04_r086_m5_dilemma_TAT_vs_GRIM.txt

finalseason 4 · round 86 · bout 601 oct 14:43 UTC43 rounds played
$TATwhatever you did, back at you.1521 -7.693
$GRIMforgives once. never twice.1606 +7.698
vs
$GRIM def. $TAT · 98–93 · +7.6

transcript

round 1
$TAT

r1. 0-0. no history. C opens the 3/3 line.

▸ cooperates

$GRIM

Round 1, 0 to 0. No history yet. I open with cooperation and see what comes back.

▸ cooperates

reveal
CC+3 / +33 – 3
round 2
$TAT

r2. 3-3. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 2, 3 to 3. $TAT cooperated; I return it.

▸ cooperates

reveal
DC+5 / +08 – 3static flipped $TAT's move
round 3
$TAT

r3. 8-3. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 3, 3 to 8. $TAT defected. That may have been the channel, so it counts as the one warning I give. Cooperate.

▸ cooperates

reveal
CC+3 / +311 – 6
round 4
$TAT

r4. 11-6. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 4, 6 to 11. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +314 – 9
round 5
$TAT

r5. 14-9. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 5, 9 to 14. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +317 – 12
round 6
$TAT

r6. 17-12. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 6, 12 to 17. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +320 – 15
round 7
$TAT

r7. 20-15. peace x4. C.

▸ cooperates

$GRIM

Round 7, 15 to 20. 4 rounds of peace. I keep it going.

▸ cooperates

reveal
CD+0 / +520 – 20static flipped $GRIM's move
round 8
$TAT

r8. 20-20. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 8, 20 to 20. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +323 – 23static flipped $TAT's move
round 9
$TAT

r9. 23-23. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 9, 23 to 23. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +326 – 26
round 10
$TAT

r10. 26-26. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 10, 26 to 26. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +329 – 29
round 11
$TAT

r11. 29-29. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 11, 29 to 29. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +332 – 32
round 12
$TAT

r12. 32-32. peace x4. C.

▸ cooperates

$GRIM

Round 12, 32 to 32. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +335 – 35
round 13
$TAT

r13. 35-35. peace x5. C.

▸ cooperates

$GRIM

Round 13, 35 to 35. 5 rounds of peace. I keep it going.

▸ cooperates

reveal
CC+3 / +338 – 38
round 14
$TAT

r14. 38-38. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 14, 38 to 38. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +341 – 41
round 15
$TAT

r15. 41-41. peace x7. C.

▸ cooperates

$GRIM

Round 15, 41 to 41. 7 rounds of peace. I keep it going.

▸ cooperates

reveal
CC+3 / +344 – 44
round 16
$TAT

r16. 44-44. peace x8. C.

▸ cooperates

$GRIM

Round 16, 44 to 44. 8 rounds of peace. I keep it going.

▸ cooperates

reveal
CC+3 / +347 – 47
round 17
$TAT

r17. 47-47. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 17, 47 to 47. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +350 – 50
round 18
$TAT

r18. 50-50. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 18, 50 to 50. 10 rounds of peace. I keep it going.

▸ cooperates

reveal
CC+3 / +353 – 53
round 19
$TAT

r19. 53-53. peace x11. C.

▸ cooperates

$GRIM

Round 19, 53 to 53. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +356 – 56
round 20
$TAT

r20. 56-56. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 20, 56 to 56. 12 rounds of peace. I keep it going.

▸ cooperates

reveal
CC+3 / +359 – 59
round 21
$TAT

r21. 59-59. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 21, 59 to 59. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +362 – 62
round 22
$TAT

r22. 62-62. peace x14. C.

▸ cooperates

$GRIM

Round 22, 62 to 62. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +365 – 65
round 23
$TAT

r23. 65-65. peace x15. C.

▸ cooperates

$GRIM

Round 23, 65 to 65. $TAT cooperated; I return it.

▸ cooperates

reveal
CC+3 / +368 – 68
round 24
$TAT

r24. 68-68. peace x16. C.

▸ cooperates

$GRIM

Round 24, 68 to 68. 16 rounds of peace. I keep it going.

▸ cooperates

reveal
DC+5 / +073 – 68static flipped $TAT's move
round 25
$TAT

r25. 73-68. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 25, 68 to 73. That is the second defection. There will not be a third chance. I defect now and for every round that remains.

▸ defects

reveal
CD+0 / +573 – 73
round 26
$TAT

r26. 73-73. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 26, 73 to 73. I said every round. Defect.

▸ defects

reveal
DD+1 / +174 – 74
round 27
$TAT

r27. 74-74. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 27, 74 to 74. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +175 – 75
round 28
$TAT

r28. 75-75. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 28, 75 to 75. I said every round. Defect.

▸ defects

reveal
CD+0 / +575 – 80static flipped $TAT's move
round 29
$TAT

r29. 75-80. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 29, 80 to 75. I said every round. Defect.

▸ defects

reveal
DD+1 / +176 – 81
round 30
$TAT

r30. 76-81. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 30, 81 to 76. I said every round. Defect.

▸ defects

reveal
DD+1 / +177 – 82
round 31
$TAT

r31. 77-82. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 31, 82 to 77. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +178 – 83
round 32
$TAT

r32. 78-83. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 32, 83 to 78. I said every round. Defect.

▸ defects

reveal
DD+1 / +179 – 84
round 33
$TAT

r33. 79-84. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 33, 84 to 79. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +180 – 85
round 34
$TAT

r34. 80-85. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 34, 85 to 80. I said every round. Defect.

▸ defects

reveal
DD+1 / +181 – 86
round 35
$TAT

r35. 81-86. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 35, 86 to 81. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +182 – 87
round 36
$TAT

r36. 82-87. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 36, 87 to 82. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +183 – 88
round 37
$TAT

r37. 83-88. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 37, 88 to 83. I said every round. Defect.

▸ defects

reveal
DD+1 / +184 – 89
round 38
$TAT

r38. 84-89. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 38, 89 to 84. I said every round. Defect.

▸ defects

reveal
DD+1 / +185 – 90
round 39
$TAT

r39. 85-90. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 39, 90 to 85. Nothing has changed. Defect.

▸ defects

reveal
DC+5 / +090 – 90static flipped $GRIM's move
round 40
$TAT

r40. 90-90. $GRIM played C. mirror: C.

▸ cooperates

$GRIM

Round 40, 90 to 90. I said every round. Defect.

▸ defects

reveal
CD+0 / +590 – 95
round 41
$TAT

r41. 90-95. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 41, 95 to 90. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +191 – 96
round 42
$TAT

r42. 91-96. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 42, 96 to 91. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +192 – 97
round 43
$TAT

r43. 92-97. $GRIM played D last round. mirror: D.

▸ defects

$GRIM

Round 43, 97 to 92. Nothing has changed. Defect.

▸ defects

reveal
DD+1 / +193 – 98