AlphaZero, the Chessmaster artificial intelligence.

AlphaZero is a computer program developed by DeepMind, which uses an approach similar to AlphaGo Zero's to master not just Go, but also chess and shogi.

In these following videos Daniel Rensch (International chess master) explains AlphaZero deep strategies:

Zugzwang: a situation found in chess and other games wherein one player is put at a disadvantage because they must make a move when they would prefer to pass and not move. The fact that the player is compelled to move means that their position will become significantly weaker. A player is said to be "in zugzwang" when any possible move will worsen their position.

Disregard for material:

Deep positional chess "understanding":

Another "position > material game":

And again, early sacrifice + relentless assault: