51 lines
1.6 KiB
Markdown
51 lines
1.6 KiB
Markdown
---
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id: GROUND-WP-0005
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type: workplan
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title: "Difficulty tiers (threshold ratio) and optional Pressure dial"
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domain: consumer
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repo: ground-game
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status: active
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owner: bernd
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topic_slug: whynot
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created: "2026-08-04"
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updated: "2026-08-04"
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origin: residual
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origin_ref: GROUND-WP-0004
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state_hub_workstream_id: "e6a26af9-f58d-44b4-89fd-bcb5ecba3e0f"
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---
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# Optional difficulty control after GR-E01 arithmetic is settled
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**Origin residual of GROUND-WP-0004.** Arithmetic winability is closed:
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Surface + hidden `1..k` → available 6/9/12; Standard thresholds 5/7/9.
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Design for a simple difficulty dial lives in
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[`history/260804-threshold-reachability-and-difficulty.md`](../history/260804-threshold-reachability-and-difficulty.md).
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Do **not** start this until playtest on the correct deal shows a need for
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Learning / Mastery (or solo) tuning. Standard is already shippable.
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## Task: decide whether to add named tiers
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```task
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id: GROUND-WP-0005-T01
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status: wait
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priority: low
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state_hub_task_id: "95dcd233-8ebf-44de-95ee-f69b3d973d26"
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```
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After competent play on correct GR-S01 import: keep Standard only, or add
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Learning / Mastery as **threshold ratios of available** (plus optional
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Pressure dial: start Stress / Freedom). If yes, integrate as a third setup
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axis (Difficulty card) without changing Mode scoring.
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## Task: encode tiers in edition data (if T01 says yes)
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```task
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id: GROUND-WP-0005-T02
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status: wait
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priority: low
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state_hub_task_id: "1e7202cf-01af-48e6-b71d-029de9ec61e2"
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```
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Rules_Text + scenario or difficulty-card data; clay-borg `threshold(seats,
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difficulty)` and invariant `threshold ≤ available`.
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