12 May 2023
- 22:3322:33, 12 May 2023 diff hist +55 m Real Mahjong Unit Updated totals for 2023
- 22:2622:26, 12 May 2023 diff hist +68 m Nihon Pro Mahjong Kyoukai Updated totals for 2023
- 22:0722:07, 12 May 2023 diff hist +6 m Saikouisen Nihon Pro Mahjong No edit summary
- 22:0622:06, 12 May 2023 diff hist +294 m Saikouisen Nihon Pro Mahjong Updated totals for 2023
- 21:5821:58, 12 May 2023 diff hist −22 m Japan Professional Mahjong League Updated totals for 2023
22 December 2022
- 03:1503:15, 22 December 2022 diff hist +2 m Club Riichi de Montréal No edit summary current Tag: Visual edit: Switched
- 03:1503:15, 22 December 2022 diff hist +4 Riichi Canada No edit summary Tag: Visual edit: Switched
- 03:1303:13, 22 December 2022 diff hist +1,186 N Riichi Canada Adjusting CRM and RC to 2022.
- 03:1203:12, 22 December 2022 diff hist +88 Club Riichi de Montréal 2022 adjustments.
26 September 2022
- 14:5314:53, 26 September 2022 diff hist +58 List of Japanese organizations No edit summary
15 September 2022
- 10:5010:50, 15 September 2022 diff hist +516 Japan Professional Mahjong League Updated numbers, reworded some of the mail league stuff and the bullet point list.
- 10:3310:33, 15 September 2022 diff hist +85 Nihon Pro Mahjong Kyoukai No edit summary
- 10:3010:30, 15 September 2022 diff hist +178 Saikouisen Nihon Pro Mahjong Updated nubers, added rule links.
- 10:2710:27, 15 September 2022 diff hist +99 Real Mahjong Unit Updated totals for 2022
- 10:2410:24, 15 September 2022 diff hist +73 Mahjong Union Updated numbers, discounted "touring" members.
12 April 2021
- 12:4212:42, 12 April 2021 diff hist +16 m Score table memorization No edit summary
- 12:4112:41, 12 April 2021 diff hist +4 m Menzenchin tsumohou "Mentsumo" is defective. Please use standard terminology.
13 February 2021
- 14:1414:14, 13 February 2021 diff hist 0 m Tournament blocks →2021 Canada WRC options
- 14:1414:14, 13 February 2021 diff hist +932 m Tournament blocks →2021 Canada WRC options
- 14:0414:04, 13 February 2021 diff hist +4 m Tournament blocks →2021 Canada WRC options
12 February 2021
- 23:2323:23, 12 February 2021 diff hist +1,135 Tournament blocks →League play blocks: Edits are starting small but will occur elsewhere on the page in the near future.
14 November 2020
- 15:4815:48, 14 November 2020 diff hist +21 List of tournament systems No edit summary current
- 15:4615:46, 14 November 2020 diff hist +525 Russian strata No edit summary
13 November 2020
- 15:2315:23, 13 November 2020 diff hist +3,653 N Russian strata Russian strata - 1st draft, to be listed with "List of tournament systems"
25 July 2020
- 02:0302:03, 25 July 2020 diff hist +259 List of Japanese organizations No edit summary
24 July 2020
- 23:0823:08, 24 July 2020 diff hist +4,756 N Professional League Game Rules Saving work in progress. current
26 June 2020
- 16:1116:11, 26 June 2020 diff hist 0 m Nihon Pro Mahjong Kyoukai No edit summary
- 15:5015:50, 26 June 2020 diff hist +96 Nihon Pro Mahjong Kyoukai →Membership: June 2020
- 15:4215:42, 26 June 2020 diff hist +69 Real Mahjong Unit →Membership: June 2020
- 15:3315:33, 26 June 2020 diff hist +108 Mahjong Union →Membership: June 2020
- 15:2715:27, 26 June 2020 diff hist +50 Saikouisen Nihon Pro Mahjong No edit summary
- 14:4814:48, 26 June 2020 diff hist +123 Japan Professional Mahjong League →Membership: June 2020
9 June 2020
- 19:2519:25, 9 June 2020 diff hist +223 m List of terminology translations →List of terms: Preloaded the remaining terms from the champ lobby
29 May 2020
- 22:2322:23, 29 May 2020 diff hist +1,044 List of terminology translations No edit summary
13 May 2019
6 October 2018
- 23:0623:06, 6 October 2018 diff hist +36 m List of Japanese organizations No edit summary
- 23:0023:00, 6 October 2018 diff hist +244 List of Japanese organizations Filled table with data. October 2018.
- 22:5222:52, 6 October 2018 diff hist +5 m Japan Professional Mahjong League 1981
- 22:4622:46, 6 October 2018 diff hist +117 Nihon Pro Mahjong Kyoukai Update historical data 2017 -> 2018
- 22:3022:30, 6 October 2018 diff hist −20 Japan Professional Mahjong League Update historical data 2017 -> 2018
- 22:1922:19, 6 October 2018 diff hist +21 Saikouisen Nihon Pro Mahjong Member count 2017 -> 2018 and leader edit
- 12:3712:37, 6 October 2018 diff hist +123 Real Mahjong Unit Update historical data 2017 -> 2018, filled more of the infobox
- 12:2812:28, 6 October 2018 diff hist +233 M.League Infobox required for organization posts.
- 12:1712:17, 6 October 2018 diff hist +4 m Mahjong Union No edit summary
- 12:1612:16, 6 October 2018 diff hist +160 Mahjong Union Update historical data 2014 -> 2018
- 12:0212:02, 6 October 2018 diff hist +14 m World Riichi Championship rules →Summary: Fixed a red link
2 September 2018
- 13:1013:10, 2 September 2018 diff hist +12 m Multiple ron →Scoring treatment
- 13:0913:09, 2 September 2018 diff hist +5 m Multiple ron →Scoring treatment
- 13:0913:09, 2 September 2018 diff hist +195 m Multiple ron →Scoring treatment
15 May 2018
- 01:3601:36, 15 May 2018 diff hist 0 m List of terminology translations No edit summary