http://elephanticity.250x.com/xianches.html
And:
https://josministries.prophpbb.com/topic8337.html
And:
http://abiyamo.com/chess-is-evil-satanic-forbidden-in-islam-saudi-arabias-grand-mufti-thunders/
And:
https://www.redhotpawn.com/forum/spirituality/is-chess-occult.154094
When it comes to games etc all things is allowed under Biblically living daily, but not let anything get a hold of you 1 Corinthians 6:12, not good to be addicted to anything.
Also about drugs keep our bodies healthy as its Gods temple:
"
1 Corinthians 3:17New American Bible (Revised Edition) (NABRE)
17 If anyone destroys God’s temple, God will destroy that person; for the temple of God, which you are, is holy.[a]
"https://www.biblegateway.com/passage/?search=1+Corinthians+3%3A17&version=NABRE
Deep Study:
Click here.
God bless all.