Minecraft: Minecraft snapshot 14w07 ¡útiles trapdoors de hierro!

The commands /testfor, /testforblock and /clear can now test for partial matches of NBT lists
Example: /testfor @p {Inventory:[{Slot:6b,id:"minecraft:diamond_sword"}],SelectedItemSlot:6}
Scoreboard objectives for fake players with a name starting with # will never show up on the sidebar
New /scoreboard subcommands /scoreboard operation and /scoreboard test
The command /scoreboard operation can apply arithmetic operation to scores (+ – * / %) and accumulate player scores
Example: /scoreboard players operation #teamscores redScore += @a[team=red] blueKills
The command /scoreboard test can be used to test if a scoreboard value is between a min and a max value
Example: /scoreboard players test #global anObjective 12 19
New command /execute to execute commands in the context and at the position of other entities or players
Example: /execute @e[type=Chicken] ~ ~ ~ fill _{-1 -1 -1 1 1 1} minecraft:glass
New selector parameters for entity selectors to detect entity rotations with rxm – x rot min, rx – x rot max, rym – y rot min, ry . y rot max
Example: @a[rxm=-15,rx=15,rym=-45,ry=45]
Players in team can now have a team based objective shown on the sidebar, depending on the team color
Example: /scoreboard objectives setdisplay team.yellow anotherObjective
While debug overlay is on (press F3 to turn it on and off), looking at a block in the world will show the coordinates of that block
BlockItem instances can now hold a custom NBT tag that is merged into a block entity when it’s placed
Example: /give @p command_block 1 0 {BlockEntityTag:{Command:"setblock ~ ~ ~ minecraft:diamond_block"}}
The /tellraw command can now insert values from scoreboards into messages
Example: /tellraw @p {text:"Have ",extra:[{score:{name:"Searge",objective:"reward"}},{text:" diamonds"}]}
New command /testforblocks to compare two areas of a map
Example: /testforblocks 100 64 100 107 69 107 0 64 0 masked
Nametags for players in other teams can now be hidden with a team option
Example: /scoreboard teams option red nametagVisibility hideForOtherTeam