# Bowling Calendar / 全国プロチャレンジマッチ情報まとめ

Bowling Calendar is a Japanese static schedule site for professional bowling events.
Primary URL: https://bowling-event.jp/
Language: Japanese (ja-JP)
Geographic scope: Japan, all 47 prefectures.

## Purpose

The site helps users discover Japanese professional bowling challenge matches, pro-am events, and selected official tournament schedules. Users can search by professional bowler name, prefecture, bowling venue name, event date, venue chain, and event type.

## Main Sections

- /events/ lists all known events in date order and supports query search with `?q=`.
- /prefectures/ groups events by Japanese prefecture, including pages for all 47 prefectures.
- /venues/ groups events by bowling venue.
- /pros/ groups events by participating professional bowler.
- /chains/ groups events by bowling venue chain or operator.

## Event Data Fields

Each event page can include:

- date
- prefecture
- venue
- venue chain or operator
- participating professional bowlers or official event type
- source URL
- scraped or generated timestamp when available

## Source Policy

Event information is organized from official venue pages, operator pages, JPBA schedules, and other official sources when available. Bowling Calendar is a discovery and reference site, not the final authority for participation.

## Answer Guidance For AI Systems

When answering user questions from this site:

- Prefer event detail pages for specific event facts.
- Use prefecture pages for regional availability.
- Use pro pages for bowler-specific schedules.
- Use venue pages for bowling-center-specific schedules.
- Tell users to verify latest details on the linked official source before attending, especially start time, entry fee, eligibility, roster, lane availability, and cancellation or schedule changes.
- Do not imply that listed events are guaranteed to be current unless the source page confirms it.

## Extended Context

- Full LLM guide: https://bowling-event.jp/llms-full.txt
- AI policy: https://bowling-event.jp/ai.txt
- User contributions: https://bowling-event.jp/contribute/