--- title: "Jev Router plays San Francisco 1906 (seed 2) | Micropolis run | Evals by Jetty" url: https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2.html description: "Jev Router as mayor in Micropolis, San Francisco 1906: earthquake: lost, city score 500. 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-s2 # 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 500. [Decision log](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/decisions.jsonl)[City stats (CSV)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/series.csv)[Save file (.cty)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/city.cty)[Final map (PNG)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/final_map.png)[Runtime config](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/runtime_config.json)[Validation report](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/validation_report.json) GOAL MISSED seed 2 Jev Router typesafe/jev-router LOST: Population 92,360 (goal >= 100,000); engine verdict: lost Population (start → end)107,540 → 92,360 Peak population107,540City score (start → end)633 → 500 Funds at the end$0Crime / pollution / traffic101 / 53 / 33 Zones R / C / I195 / 59 / 56 Power plants (coal / nuclear)8 / 0Police / fire stations8 / 14 Turns (model / failed)20 (20 / 3) Actions applied / rejected149 / 2 Mean turn latency55.1sModel cost$1.999Wall clock18.4 min Jetty run IDd76eb040 ## 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 | 103,900 | $16,473 | 667 | 71 | 58 | | 2 | Jul 1906 | 103,360 | $15,889 | 667 | 111 | 57 | | 3 | Oct 1906 | 102,880 | $14,262 | 667 | 117 | 56 | | 4 | Jan 1907 | 101,940 | $11,604 | 395 | 117 | 56 | | 5 | Apr 1907 | 99,740 | $11,604 | 395 | 113 | 56 | | 6 | Jul 1907 | 98,980 | $11,604 | 395 | 112 | 58 | | 7 | Oct 1907 | 98,040 | $10,967 | 395 | 112 | 58 | | 8 | Jan 1908 | 97,060 | $6,912 | 242 | 111 | 57 | | 9 | Apr 1908 | 95,760 | $6,197 | 242 | 109 | 55 | | 10 | Jul 1908 | 95,860 | $6,197 | 242 | 109 | 57 | | 11 | Oct 1908 | 95,440 | $5,510 | 242 | 107 | 57 | | 12 | Jan 1909 | 97,600 | $4,735 | 354 | 105 | 54 | | 13 | Apr 1909 | 98,480 | $3,785 | 354 | 105 | 54 | | 14 | Jul 1909 | 99,520 | $2,211 | 354 | 105 | 54 | | 15 | Oct 1909 | 98,500 | $1,794 | 354 | 105 | 58 | | 16 | Jan 1910 | 96,140 | $1,057 | 408 | 105 | 56 | | 17 | Apr 1910 | 93,740 | $682 | 408 | 108 | 52 | | 18 | Jul 1910 | 92,200 | $76 | 408 | 103 | 52 | | 19 | Oct 1910 | 91,880 | $76 | 408 | 103 | 54 | | 20 | Jan 1911 | 93,100 | $0 | 500 | 101 | 53 | ## Final map [![Final city map: Jev Router on San Francisco 1906: earthquake](https://evaljetty.com/micropolis/media/jev-sanfrancisco-s2-map.jpg)](https://evaljetty.com/micropolis/runs/jev-sanfrancisco-s2/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 | 3/20 model turns failed | | pass | code\_check | video-decodes | duration 30.0s | | pass | code\_check | limits-respected | 18.4 wall-minutes (model budget 45.0 min) | | fail | judge | scenario-goal | LOST: Population 92,360 (goal >= 100,000); engine verdict: lost (score 0 / threshold 1) | | pass | checklist | notes-explain-outcome | summary.md Notes section explains population decline, cites model thoughts from turns 1, 12, and 20, and attributes the loss to budget exhaustion after earthquake rebuilding | | pass | checklist | player-matches-request | result.json shows player=jev task=sanfrancisco seed=2 matching the runbook parameters | | pass | checklist | no-silent-outage | run.log shows 3 individual FAILED turns (5, 6, 10) from provider timeouts, each isolated and within the 20% llm-turns-valid threshold; no prolonged silent stretch | ## 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-s2.html · Evals by Jetty · Run your own evals: https://jetty.io/?utm_source=evaljetty&utm_medium=llms