Weekly Challenge 77: Quickest Xiangqi Mates

Create a study which shows a game sequence where a mate is found in the fewest number of moves. Do this for both Xiangqi and Mini Xiangqi in separate study chapters. Smallest aggregate number of moves wins.

Adjudication Criteria:
1. Fewest moves (plies) across both chapters
2. Earliest Entry
Closing Date: Monday 30th September 1200 UTC+0

Additional Restrictions:
- Put the number of moves for each chapter in the forum post
- Do not edit the forum post after posting. This will invalidate your entry
- If the study chapter's moves don't match what is claimed in the forum post then the entry will be invalid

If you wish to improve your study and submit a better entry, please clone your original study into a new one, make changes in the new study and make a new forum post with your new totals and new study link.

playstrategy.org/study/z28tmZfW

47 ply to beat

Xiangqi: 18 ply
Mini Xiangqi: 29 ply

Unfortunately in study mode it isn't clear when you have completed checkmate - something for us to look into.

1

Am I missing something from the challenge?

playstrategy.org/study/idO2u0ne

14 ply to beat

Xiangqi: 7 ply
Mini Xiangqi: 7 ply

1

playstrategy.org/study/Jmxr54cM

10 ply to beat

Xiangqi: 7 ply
Mini Xiangqi: 3 ply

1

playstrategy.org/study/ctbWy5Lt

9 ply to beat

XiangqiL 6 ply
Mini Xiangqi: 3 ply

11

@FangCheng Nice catch! I just copied from Wikipedia, it said 7 ply was the shortest so I didn't bother to look further en.wikipedia.org/wiki/Xiangqi#System_3

1

Wow, if I saw the Wikipedia entry I wouldn't have looked further either. Maybe we should update it :P

If this week’s challenge wrapped up too quickly for you, join us in finding more fast-paced games! Check out the study here: playstrategy.org/study/nYkPdIqX. The aim is to complete each PlayStrategy game in the fewest moves possible!

13

There are a number of 6-ply mates for Xiangqi, see if you can find the different matings nets.

Entries for Weekly Challenge 77 has closed. Thanks to all users who participated.

The winner is @FangCheng who showcased a mate
- in 3 plies for Mini Xiangqi
- in 6 plies for Xiangqi
in the following study : playstrategy.org/study/ctbWy5Lt

Users are still welcome to attempt this challenge and post answers here, but the winner has been fixed. The next challenge can be found here: playstrategy.org/forum/weekly-challenges/weekly-challenge-78-ready-to-breakthrough