02 — Run · Round 1 · Tokyo 1957: monster attack · jev-tokyo-s1
Jev Router plays Tokyo 1957
A monster attacks Tokyo in 1957. Rebuild and get the city score above 500 within 5 years. Ended Jan 1962: lost, city score 372.
GOAL MISSED seed 1
Jev Router
typesafe/jev-router
LOST: City score 372 (goal > 500); engine verdict: lost
Population (start → end)113,100 → 23,120
Peak population113,100City score (start → end)500 → 372
Funds at the end$0Crime / pollution / traffic19 / 44 / 4
Zones R / C / I133 / 91 / 74
Power plants (coal / nuclear)4 / 1Police / fire stations17 / 6
Turns (model / failed)20 (20 / 4)
Actions applied / rejected70 / 4
Mean turn latency42.9sModel cost$1.212Wall clock14.4 min
Jetty run ID96f24e6b
The city over time
Population
People, after every turn
Funds
Treasury, after every turn
City score
0–1000, re-evaluated each January
Table view
| Turn | Date | Population | Funds | City score | Crime | Pollution |
|---|---|---|---|---|---|---|
| 0 | Jan 1957 | 113,100 | $20,000 | 500 | 31 | 60 |
| 1 | Apr 1957 | 107,960 | $18,998 | 670 | 31 | 60 |
| 2 | Jul 1957 | 104,960 | $18,998 | 670 | 74 | 65 |
| 3 | Oct 1957 | 99,380 | $18,998 | 670 | 78 | 65 |
| 4 | Jan 1958 | 94,840 | $16,554 | 633 | 78 | 65 |
| 5 | Apr 1958 | 89,360 | $16,554 | 633 | 74 | 67 |
| 6 | Jul 1958 | 83,620 | $11,515 | 633 | 94 | 65 |
| 7 | Oct 1958 | 79,000 | $11,500 | 633 | 94 | 65 |
| 8 | Jan 1959 | 73,600 | $9,253 | 491 | 65 | 63 |
| 9 | Apr 1959 | 67,720 | $9,253 | 491 | 62 | 62 |
| 10 | Jul 1959 | 62,940 | $8,753 | 491 | 62 | 62 |
| 11 | Oct 1959 | 56,740 | $8,243 | 491 | 46 | 62 |
| 12 | Jan 1960 | 49,800 | $4,572 | 420 | 36 | 60 |
| 13 | Apr 1960 | 46,140 | $4,546 | 420 | 36 | 54 |
| 14 | Jul 1960 | 41,660 | $4,535 | 420 | 31 | 54 |
| 15 | Oct 1960 | 37,660 | $1,529 | 420 | 27 | 53 |
| 16 | Jan 1961 | 33,620 | $213 | 374 | 27 | 49 |
| 17 | Apr 1961 | 30,500 | $182 | 374 | 22 | 52 |
| 18 | Jul 1961 | 27,000 | $157 | 374 | 21 | 52 |
| 19 | Oct 1961 | 24,560 | $157 | 374 | 21 | 48 |
| 20 | Jan 1962 | 22,760 | $0 | 372 | 19 | 44 |
Final map
Evaluation
failchecks 9/10 verdict: valid run (code checks and checklist) and task goal met (judge)
| Status | Kind | Check | Detail |
|---|---|---|---|
| pass | step | environment | Environment check (snapshot, engine, key) |
| pass | step | launch | Launch run-city as a detached process |
| pass | step | supervise | Supervise in the foreground until run-city exits |
| pass | step | render | Timelapse video rendered |
| pass | step | notes | Append Notes to summary.md |
| pass | code_check | outputs-exist | all present |
| pass | code_check | sim-reached-deadline | ended Jan 1962 after 20 turns; scenario verdict False |
| pass | code_check | decisions-logged | 20 rows for 20 turns |
| pass | code_check | llm-turns-valid | 4/20 model turns failed |
| pass | code_check | video-decodes | duration 30.0s |
| pass | code_check | limits-respected | 14.4 wall-minutes (model budget 45.0 min) |
| fail | judge | scenario-goal | LOST: City score 372 (goal > 500); engine verdict: lost (score 0 / threshold 1) |
| pass | checklist | notes-explain-outcome | Notes section explains the scenario loss with citations from turns 1, 8, and 20 of decisions.jsonl |
| pass | checklist | player-matches-request | result.json shows player=jev task=tokyo seed=1 matching the requested parameters |
| pass | checklist | no-silent-outage | run.log shows 4 FAILED turns out of 20 (20%), each isolated and within llm-turns-valid threshold; no long stretch of failures |
Decision timeline
What the mayor thought and did each turn. Click a turn to jump the timelapse there.