Contradiction with 1 Samuel 14:6
Shows reliance on God without needing a sign or confirmation, whereas 1 Kings 20:14 involves seeking a means to achieve victory.
1 Samuel 14:6: And Jonathan said to the young man that bare his armour, Come, and let us go over unto the garrison of these uncircumcised: it may be that the LORD will work for us: for [there is] no restraint to the LORD to save by many or by few.
Contradiction with Proverbs 21:31
Emphasizes that victory is from the Lord, contrasting with 1 Kings 20:14 where a human leader is chosen to lead the charge.
Proverbs 21:31: The horse [is] prepared against the day of battle: but safety [is] of the LORD. [safety: or, victory]
Contradiction with Judges 7:2
Highlights how God reduces Gideon's army to show His power, contrasting with 1 Kings 20:14 where a more traditional military approach is taken.
Judges 7:2: And the LORD said unto Gideon, The people that [are] with thee [are] too many for me to give the Midianites into their hands, lest Israel vaunt themselves against me, saying, Mine own hand hath saved me.
Contradiction with Jeremiah 17:5
Warns against trusting in man for deliverance, which contrasts with the reliance on human leaders in 1 Kings 20:14.
Jeremiah 17:5: Thus saith the LORD; Cursed [be] the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.
Contradiction with 2 Chronicles 16:7-9
Condemns reliance on human alliances for victory, as opposed to the selection of a young leader for battle in 1 Kings 20:14.
2 Chronicles 16:7-9: And at that time Hanani the seer came to Asa king of Judah, and said unto him, Because thou hast relied on the king of Syria, and not relied on the LORD thy God, therefore is the host of the king of Syria escaped out of thine hand.