4K Battle Chess: Game of Kings I Real checkmate

Explain step by step -- e4: White opens the game by moving the pawn in front of their king two spaces forward. c5: Black responds with the Sicilian Defense, moving their pawn in front of their queen two spaces forward to control the center of the board. Nf3: White develops their knight, attacking the pawn in the center of the board. d4: White pushes their pawn in the center forward to attack the black pawn. Bb5+: White checks the black king by moving their bishop to b5. Bd7: Black moves their bishop to d7 to block the check. N1c3: White develops their knight, preparing to castle kingside. Nd7: Black moves their knight to d7 to defend their king. Nc7+: White checks the black king again, forcing it to move. Kd8: Black moves their king to the center of the board, which is usually a safer place in the endgame. Nxa8: White captures the black bishop with their knight. Qa5: White attacks the black queen with their queen. Nc7: Black moves their knight to c7 to attack the white queen. Qb5: White attacks the black queen again, forcing it to move. Be3: White develops their bishop and attacks the black queen one more time. Qxb7: White captures the black pawn with their queen, gaining a material advantage. Nxe4: Black captures the white knight with their bishop, removing the threat to their queen. Nxf6+: White checks the black king with their knight, which cannot be captured due to the white queen's threat. O-O: White castles kingside to bring their king to safety and connect their rooks. Bxa7: White moves their bishop to a7, attacking the black knight and threatening a discovered attack. f4: White pushes their pawn forward to create more space for their pieces and attack the black queen. fxe4: White captures the black pawn with their pawn. Bb6+: White checks the black king with their bishop, forcing it to move again. Qxd5: White captures the black queen with their queen, gaining another material advantage. Rxf5: White sacrifices their rook to open up the black king and prepare for a checkmate. Qxe4: White captures the black pawn with their queen. Rd1: White develops their rook, attacking the black queen and preparing for a discovered attack. Re1: White moves their rook to e1, attacking the black queen again and pinning the black bishop to the king. Kh1: Black moves their king to h1 to avoid the discovered attack and create a flight square. Qb7+: White checks the black king with their queen, forcing it to move. Rd5+: White checks the black king again with their rook, attacking the black queen and threatening a discovered attack. Nxc7: White captures the black knight with their knight, gaining more material. Rxf1: White promotes their pawn to a queen, setting up a checkmate threat. Nb5: White develops their knight and attacks the black bishop. Bc5+: White checks the black king with their bishop, forcing it to move and preparing for another discovered attack. Nxc7#: White delivers a checkmate by capturing the black king with their knight. Thus, the game ends