At 2:35 the castled black king is still trapped behind a wall of pawns that are still in their starting position, setting up a situation for a threat of back rank checkmate, especially considering that the white rook is sitting on a fully open file, the king's file, thus in practice pinning the black queen to black's 1st rank. White's bishop is so tempting to take at black's queen 3 position, but as Magnus Carlson pointed out, it is a poison bishop. If black took the bishop, the white rook could put the black king in a back rank check from which the only way out would be for black to block the check with black's queen. The resulting trade of black queen for white rook would then give white a material advantage.
Capturing the bishop is the best move, but it looks wrong because Magnus promotes his a7 pawn to a queen. But from that position, black has perpetual checks.
Magnus would've promoted his pawn to a queen and after that the opponent only has one check, after that the opponent cannot prevent Magnus from winning.
@@Saronite if black queen moves to that square just to take the white knight, then when the white rook goes all way to the last square ahead and checks the black king, there is no black piece like bishops or queen that can stand between white rook and king. Also, black king can only move one square per turn and white rook would be two squares, so black king gets checkmated because he can´t move out of check due to black pawns blocking his way down the board and no other piece can be like a wall against the check delivered by white rook because queen and bishops only move in straight lines. That is why black queen cannot move from that horizontal line, as long as black queen is there then white rook cannot go there because black queen simply takes, no real counter-play or compensation for Magnus in that case, it would just be a blunder
White rook takes the black rook with check, black must recapture. The white queen no longer has to defend the rook, so is free to take the bishop on D4
@@maxanthony1384 sorry I meant 0:42, after the rook exchange, black moved the knight instead taking the free pawn, I guess he thought was better to don’t ruin the pawn structure
In that position if you take the pawn it’s not an obvious blunder, but white has c3 forcing the bishop back, and then immediately after white’s dark squared bishop takes the knight on d6. Black must recapture with the c pawn. In that position, black is up a pawn but his light squared bishop is hemmed in by the pawns (which are doubled), the rook is stuck in the corner, and white has easy development to get their pieces into play.
If the opponent took the bishop at 2:30, there could be forced trades and Magnus will only have a knight left but the opponent still has two bishops. I wonder how Magnus would do if that happened.
Did you forget about white's bishop on f1? It would be a knight/bishop vs 2 bishop. He also explains the move order after black queen takes the bishop right after the time you gave.
