Zhong Guo Xiang Qi [Model MGC-002]

Soft reset:
During the game hold Start, then press Select.

Tile set switch:
During the game hold A and press Select to switch some tiles to different graphics. However, this only works in the "Qi Wang" version, since other version doesn't have the different tile sets in CHR ROM, but the code is present and working.

Level and difficulty switch:
During the game point the cursor to the particular place of the game screen, then hold B + Select and press A to instantly change the corresponding value. You can change the current level and sub-level if click on the corresponding numbers at the top side of the screen, or change the current difficulty level by click on the rightmost kanji at the top side of the screen.