Based on community tables shared on Fearless Revolution (FRF) and Cheat Engine forums, three values are the most sought after.
Yes. Fan translation patches shift memory offsets. A table built for the raw Japanese rance9.exe (v1.01) will not work on the English patched rance9.exe. Always download a table specifically tagged for the "English Patch" or for your specific EXE version.
A debate rages in the Rance community: "Is it okay to cheat in a single-player game?"
A compromise: Limited Cheating. Instead of setting FP to infinity, set it to a comfortable 50,000 once. Instead of one-hit kills, double your HP. This preserves the tactical combat while removing the tedious resource management. rance 9 cheat engine
This means the game has a "watchdog" function. You need to use Code Injection. Find the instruction that writes to the address (Right-click the address -> "Find out what writes to this address") and replace it with mov [eax], #99999. This is advanced; use a pre-made script.
This is the simplest hack.
Rance 9 does not have anti-cheat. If the game crashes, you likely edited the wrong memory region (e.g., you edited the code section instead of the value section). Restart and use an "Undo" or reload the save. Based on community tables shared on Fearless Revolution
This is trickier. During a battle, characters have AP used for skills.
If you restart the game and find your cheat stops working, you have encountered dynamic memory allocation. Rance 9 shifts memory addresses on reboot. You need a Pointer.
A pre-built Rance 9 Cheat Engine Table (.CT file) is the best solution. These files contain pointers that automatically locate the correct addresses. A compromise: Limited Cheating
Where to find a reliable .CT table for Rance 9:
What a good Rance 9 table usually includes: