The tiers for player rankings during ranked modes are as follows:
Tier 1- Rusted Bronze (B)
Tier 2 - Purified Bronze (B+)
Tier 3 - Rusted Iron (I)
Tier 4 - Purified Iron (I+)
Tier 5 - Impact Meteorite (M)
Tier 6 - Astral Meteorite (M+)
Tier 7 - Twilight Shadow (S)
Tier 8 - Midnight Shadow (S+)
Tier 9 - Auric Gold (G)
Tier 10 - Solar Gold (G+)
Tier 11 - Ethereal Diamond (D)
Tier 12 - Mythic (M)