Minecraft Command Block Chess

Reset Logic (I)
scoreboard players set @a chess_click 0
scoreboard players set @a black 0
scoreboard players set @a white 0
scoreboard players set @e[tag=chess] chess_active 0
effect clear @e[tag=chess]
title @a[distance=..128] actionbar ["",{"text":"Welcome to Chess! ","bold":true,"color":"aqua"},{"text":"Game has been reset.","bold":true,"color":"yellow"}]

Join White (I)
title @p actionbar ["",{"text":"You are playing "},{"text":"white","bold":true}]
scoreboard players set @p chess_click 0
scoreboard players set @p white 1
scoreboard players set @p black 0

Join Black (I)
title @p actionbar ["",{"text":"You are playing ","color":"gray"},{"text":"black","bold":true,"color":"black"}]
scoreboard players set @p chess_click 0
scoreboard players set @p white 0
scoreboard players set @p black 1

White Select Processing (L)
scoreboard players set @p[scores={white=1,chess_click=1..}] white -1
    scoreboard players set @p[scores={white=-1}] chess_click 0
execute at @p[scores={white=-1}] run tag @e[tag=white,distance=..2,sort=nearest,limit=1] add active
execute at @p[scores={white=-1}] run effect give @e[tag=white,distance=..2,sort=nearest,limit=1] glowing 3600 1 true
    scoreboard players set @p[scores={white=-1}] white -2
    title @p[scores={white=-2}] actionbar {"text":"Right click to place..."}
scoreboard players set @p[scores={white=-1}] white 1

White Movement Processing (L)
scoreboard players set @p[scores={white=-2,chess_click=1..}] white -3
    scoreboard players set @p[scores={white=-3,chess_click=1..}] chess_click 0
tp @e[tag=active,tag=white,limit=1,sort=nearest] @p[scores={white=-3}]
execute at @p[scores={white=-3}] run effect clear @e[tag=active,distance=..1]
execute at @p[scores={white=-3}] run tag @e[tag=active,distance=..1] remove active
scoreboard players set @p[scores={white=-3}] white 1

Black Select Processing (L)
scoreboard players set @p[scores={black=1,chess_click=1..}] black -1
    scoreboard players set @p[scores={black=-1}] chess_click 0
execute at @p[scores={black=-1}] run tag @e[tag=black,distance=..2,sort=nearest,limit=1] add active
execute at @p[scores={black=-1}] run effect give @e[tag=black,distance=..2,sort=nearest,limit=1] glowing 3600 1 true
    scoreboard players set @p[scores={black=-1}] black -2
    title @p[scores={black=-2}] actionbar {"text":"Right click to place..."}
scoreboard players set @p[scores={black=-1}] black 1

Black Movement Processing (L)
scoreboard players set @p[scores={black=-2,chess_click=1..}] black -3
    scoreboard players set @p[scores={black=-3,chess_click=1..}] chess_click 0
tp @e[tag=active,tag=black,limit=1,sort=nearest] @p[scores={black=-3}]
execute at @p[scores={black=-3}] run effect clear @e[tag=active,distance=..1]
execute at @p[scores={black=-3}] run tag @e[tag=active,distance=..1] remove active
scoreboard players set @p[scores={black=-3}] black 1

Spawn White Pawn
summon minecraft:armor_stand ~1 ~ ~ {Tags:["chess","white"],CustomName:"\"White Pawn\"",CustomNameVisible:1}

Spawn Black Pawn
summon minecraft:armor_stand ~1 ~ ~ {Tags:["chess","black"],CustomName:"\"Black Pawn\"",CustomNameVisible:1}