AlphaZero vs. Stockfish 110 chess games

Could someone explain this graph ( from Google Deep Mind - Alphazero article) : r/deepmind

AlphaZero

PLAY-CHESS-ALPHAZERO - Play Chess with Friends

AlphaZero (Computer) vs Stockfish (Computer) (2017)

Index of /elcedazo/wp-content/uploads/2018/12

Unveiling Alphazero's Epic Thorn Pawn Strategy: Crushing Stockfish with a Single Move! — Eightify

agadmator on X: Well, so much for the Qd6 Scandinavian. Leela crushed Stockfish with white and Stockfish crushed Leela with white. Unless # AlphaZero has something to chip in for black, time to

STAL CHESS - Alpha Zero VS Stockfish

Stockfish BEATS AlphaZero 6 Times!

WHAT! Alpha Zero defeats Stockfish