No Way Checkmate

I mistakenly blundered and lost my queen but after it I thought that I will try to draw the game by repetition but the opponent BLUNDERED and I CHECKMATED. 

Here's the game: https://www.chess.com/analysis/game/live/105533390151?tab=review&move=41

Nice

Well played

Cool

What the...?

lucky... but 5. Ng5 was a mistake, you shouldn't aimlessly move pieces toward the enemy king. you should have moved the knight backwards to attack the bishop

I think this is the first time I saw someone with a higher accuracy lose to checkmate