• It is possible to promote the piece to the first row and the third row.
• After stopping you can resume by changing levels and player.
• Stopping "nifu" and "utifudume". When the same aspect appears 4 times the game is over with "sennitite".
• You can not hit a piece without a move (hit Keima in the second row fu on the first row).
• When AI fights each other the evaluation value of the aspect is displayed. With 0 as the base it is expressed as a positive number in the case of the first player advantage and a negative number in the case of the second player advantage.