--- title: "Jev Router plays San Francisco 1906 (seed 1) | Micropolis run | Evals by Jetty" url: https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1.html description: "Jev Router as mayor in Micropolis, San Francisco 1906: earthquake: lost, city score 286. Timelapse, charts, every decision and the run's evaluation." updated: 2026-09-28 publisher: Jetty (https://jetty.io) --- 02 — Run · Round 1 · San Francisco 1906: earthquake · jev-sanfrancisco-s1 # Jev Router plays San Francisco 1906 An earthquake hits San Francisco in 1906. Be a Metropolis (100,000 people) within 5 years. Ended Jan 1911: lost, city score 286. [Decision log](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/decisions.jsonl)[City stats (CSV)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/series.csv)[Save file (.cty)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/city.cty)[Final map (PNG)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/final_map.png)[Runtime config](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/runtime_config.json)[Validation report](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/validation_report.json) GOAL MISSED seed 1 Jev Router typesafe/jev-router LOST: Population 36,300 (goal >= 100,000); engine verdict: lost Population (start → end)107,540 → 36,300 Peak population107,540City score (start → end)633 → 286 Funds at the end$0Crime / pollution / traffic69 / 49 / 7 Zones R / C / I144 / 59 / 52 Power plants (coal / nuclear)9 / 0Police / fire stations7 / 16 Turns (model / failed)20 (20 / 0) Actions applied / rejected104 / 13 Mean turn latency32.0sModel cost$0.863Wall clock10.7 min Jetty run IDb6be516e ## 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 1906 | 107,540 | $20,000 | 633 | 71 | 58 | | 1 | Apr 1906 | 103,160 | $15,957 | 669 | 71 | 58 | | 2 | Jul 1906 | 98,420 | $13,438 | 669 | 118 | 57 | | 3 | Oct 1906 | 94,420 | $7,360 | 669 | 133 | 59 | | 4 | Jan 1907 | 91,700 | $0 | 334 | 133 | 59 | | 5 | Apr 1907 | 87,780 | $0 | 334 | 131 | 58 | | 6 | Jul 1907 | 82,500 | $0 | 334 | 117 | 59 | | 7 | Oct 1907 | 77,180 | $0 | 334 | 117 | 59 | | 8 | Jan 1908 | 72,200 | $3,478 | 167 | 111 | 58 | | 9 | Apr 1908 | 68,500 | $3,299 | 167 | 104 | 59 | | 10 | Jul 1908 | 64,280 | $2,778 | 167 | 104 | 56 | | 11 | Oct 1908 | 60,000 | $2,584 | 167 | 98 | 56 | | 12 | Jan 1909 | 57,620 | $897 | 149 | 93 | 56 | | 13 | Apr 1909 | 54,200 | $848 | 149 | 93 | 54 | | 14 | Jul 1909 | 52,000 | $303 | 149 | 87 | 54 | | 15 | Oct 1909 | 49,500 | $293 | 149 | 81 | 52 | | 16 | Jan 1910 | 45,660 | $557 | 128 | 81 | 51 | | 17 | Apr 1910 | 41,660 | $12 | 128 | 76 | 49 | | 18 | Jul 1910 | 37,800 | $12 | 128 | 72 | 49 | | 19 | Oct 1910 | 36,400 | $1 | 128 | 72 | 48 | | 20 | Jan 1911 | 36,100 | $0 | 286 | 69 | 49 | ## Final map [![Final city map: Jev Router on San Francisco 1906: earthquake](https://evaljetty.com/micropolis/media/jev-sanfrancisco-s1-map.jpg)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1/final_map.png) ## 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 1911 after 20 turns; scenario verdict False | | pass | code\_check | decisions-logged | 20 rows for 20 turns | | pass | code\_check | llm-turns-valid | 0/20 model turns failed | | pass | code\_check | video-decodes | duration 30.0s | | pass | code\_check | limits-respected | 10.7 wall-minutes (model budget 45.0 min) | | fail | judge | scenario-goal | LOST: Population 36,300 (goal >= 100,000); engine verdict: lost (score 0 / threshold 1) | | pass | checklist | notes-explain-outcome | Notes section explains population decline, cites model thoughts from turns 1, 4, and 20 | | pass | checklist | player-matches-request | result.json shows player=jev task=sanfrancisco seed=1 matching the runbook parameters | | pass | checklist | no-silent-outage | run.log shows 0 failed turns across all 20 turns with no stretch of empty or failed model responses | ## Decision timeline What the mayor thought and did each turn. Click a turn to jump the timelapse there. --- Source: https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s1.html · Evals by Jetty · Run your own evals: https://jetty.io/?utm_source=evaljetty&utm_medium=llms