Shogi in its present form was played as early as the 16th century , while a direct ancestor without the `` drop rule '' was recorded from 1210 in a historical document Nichūreki , which is an edited copy of Shōchūreki and Kaichūreki from the late Heian period ( c. 1120 ) .
Shogi in its present form was played as early as the 16th century , while a direct ancestor without the `` drop rule '' was recorded from 1210 in a historical document Nichūreki , which is an edited copy of Shōchūreki and Kaichūreki from the late Heian period ( ~ 1120 ) .