Stockfish played 4...Nxf2?
You got to be joking.
And yes- you were right to think that white's position is "bad".
Surprising results with C44 (C24 transposition)
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Actually Stockfish analysis starts at step 6. The 4. ... Nxf2 was me trying to figure out why black never took this move. It seems as though 4. ... Nxf2 ends up in mate in 4 for black. What I was trying to analyze was whether 3. ... Nxe4 4. Nxe5 are moves that grandmasters would play or whether it leads to a decisively negative position (if played perfectly).
First of all I have been having a bit of trouble with the diagrams and PGN viewer on this site. Maybe the best thing is to just insert the PGN file with the viewer and you can at least download it and view it offline in your favourite viewer. The online viewer on this site doesn't seem to work well with variations. Anyway here it is:
1. e4 e5 2. Nf3 Nf6 3. Bc4 {I noticed this C42 is also a transposition of C24 with perhaps the late addtion Nf6} Nxe4 4. Nxe5 {I thought this was a bad position but Stockfish came up with some interesting play.} Nxf2 {Ouch !} 5. Bxf7+ Ke7 6. Qh5 Ne4 ({I was a bit iffy about leaving the BN unchallenged so I let stockfish analyze it. Surprisingly it ends in mate.} 6. ... Nxh1 {(Stockfish at depth 100)} 7. Qg5+ Kd6 8. Nc4+ Kc6 9. Qd5# {(score: 300.00)} ) 7. Nc3 d5 8. Nxe4 Nd7 ({Thought this was black's most likely response, especially in a blitz game.} 8. ... dxe4 {(Stockfish at depth 20)} 9. Qg5+ Kd6 10. Qxd8+ Nd7 11. Nxd7 Bxd7 12. Qxa8 Kc6 13. Bb3 Bf5 14. Rf1 g6 15. Qe8+ Kb6 16. Qe5 Bg7 17. Qxg7 Rd8 18. d3 exd3 19. Be3+ c5 20. Qf6+ Kc7 21. Qe7+ Kc8 22. Qxc5+ Kb8 23. Qxa7+ {(score: 27.63)} ) 9. Bxd5 Qe8 10. Qh4+ Nf6 11. Nxf6 gxf6 12. O-O Kd8 13. Qxf6+ Be7 14. Nf7+ Qxf7 15. Qxf7 Rf8 16. Qg7 Rxf1+ 17. Kxf1 c6 18. Bf3 Bd6 19. Qxh7 {(score: 18.08)}
The surprising thing is that when looking at this position:
which is a position I was tending to lose from. The question is therefore, is the position as bad for black as to what stockfish leads me to believe? After all its only 4 moves into the game. The f2 pawn is often too big a lure for black and so therefore would you conclude this to be a trap for black?