𝕏𝕡𝕚𝕝𝕠𝕥

MahjongXpilot

Learn about the Xpilot project, its Riichi Mahjong tools and training pages, and maintainer contact information.

v1.6.0 6cac650

Copyright © Fyisvia Virell. All Rights Reserved.

Email: contact@fyisvia.com

GitHub
Special Thanks:
Astro
Zerol Acqua
斯布林
shiRoha
清醒红茶汉化组
真白の猫
朱华
空银子
绝好调
周可儿
云岭茉莉白
谎言の火花
Skyler
炅炅炅
艾尔特翔
lhrg李
月明小星曦
Other anonymous supporters
Open Source Acknowledgement:
Some Mahjong algorithm implementations on this site reference ideas from the open-source project nekobean/mahjong-cpp . Thank you to its contributors.

Changelog

v1.6.0

Version 1.6.0 (2026-05-13)

Highlights:

  • 1. Updated and included 300+ NaniKiru exercises, optimized question display templates, and improved the scrolling experience on mobile devices.
  • 2. Optimized system performance by changing the calculation mechanism for good shape rate and EV to on-demand computation.
  • 3. Rewrote and improved the statistical algorithm logic related to core auxiliary calculations.
  • 4. Added shortcut input prompts to point calculation pages and added support for using k/w suffixes for quick value scaling.
  • 5. Improved UI experience across various sections.
  • 6. Fixed some known issues.
v1.5.0

Version 1.5.0 (2025-10-29)

Highlights:

  • 1. Added Index display to Tile Efficiency Analysis and Tile Efficiency Drills.
  • 2. Added selectable judging logic for correct answers in Tile Efficiency Drills.
  • 3. Added submission‑mode selection on small‑screen mobile for Nani Kiru Practice and Tile Efficiency Drills.
  • 4. Fixed an issue where kanchan waits were ignored when calculating fu in certain cases.
  • 5. Optimized answer judging logic in Tile Efficiency Drills.
  • 6. Optimized site icons and favicon.
  • 7. Optimized result display logic across pages.
v1.4.0

Version 1.4.0 (2025-10-06)

Highlights:

  • 1. Added Hand Point Calculator.
  • 2. Added Hand Point Calculation Practice.
  • 3. Completed multi-language support.
v1.3.0

Version 1.3.0 (2025-10-01)

Highlights:

  • 1. Added game review feature.
  • 2. UI refinements.
v1.2.1

Version 1.2.1 (2025-09-30)

Highlights:

  • 1. Added click-to-input via tile images in Tile Efficiency.
  • 2. Added honba to point calculation.
v1.2.0

Version 1.2.0 (2025-09-26)

Highlights:

  • 1. Added Tile Efficiency Drills.
  • 2. UI refinements.
v1.1.3

Version 1.1.3 (2025-08-12)

Highlights:

  • 1. Fixed incorrect Shanten in edge cases.
  • 2. Improved Tile Efficiency input handling; added improvements analysis without a drawn tile.
v1.1.2

Version 1.1.2 (2025-07-03)

Highlights:

  • 1. Fixed stack overflow from deep Shanten recursion on complex hands.
  • 2. Added random pattern selection for Chinitsu tenpai questions.
  • 3. Fixed several collected content issues.
v1.1.1

Version 1.1.1 (2025-05-21)

Highlights:

  • 1. Added good-shape rate in Tile Efficiency analysis.
  • 2. Increased difficulty for random mode in Chinitsu tenpai.
  • 3. Fixed several collected content issues.
v1.1.0

Version 1.1.0 (2025-05-03)

Highlights:

  • 1. Added Chinitsu tenpai practice.
  • 2. Added Home page.
  • 3. Fixed several UI issues.
  • 4. Fixed several collected content issues.
v1.0.1

Version 1.0.1 (2025-04-28)

Highlights:

  • 1. Fixed stutter on vertical scrolling on mobile.
  • 2. Fixed several UI issues.
RC

Version 1.0.1-rc Overview (2025-04-27)

I'm pleased to announce the release of Xpilot 1.0.1-rc. Xpilot is a functional web app for Riichi Mahjong, aiming to offer a stable and easy-to-use experience. This RC includes:

  • 1. Core features:
    What-to-discard analysis, Nani Kiru Practice, point table and calculation drills, and tutorials list.
  • 2. User interface:
    A clean, minimal interface covering what-to-discard analysis, Nani Kiru Practice, point calculation and tutorials for quick onboarding.
  • 3. Cross‑platform compatibility:
    Optimized for both desktop and mobile.
  • 4. Known issues:
    As an RC, there may be unstable connections, incomplete features/UI, or occasional crashes. Expected value scoring in discard analysis and full Nani Kiru Practice coverage are pending; game review is under development.