2 Correct fen somgame plays correctly
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To me, it is still unclear what one would call perfect, but in terms of wins, Anderssen struck twice with the most unbelievable wins in the history of chess, which I'm going to paste here, the Immortal Game.

[FEN ""]
[Event "First International Tournament"]
[Site "London UK"]
[Date "1851.06.21"]
[Round "1"]
[Result "1-0"]
[White "Adolf Anderssen"]
[Black "Lionel Kieseritzky"]
[ECO "C33"]
[WhiteElo ""]
[BlackElo ""]
[PlyCount "50"]

1. e4 e5 2. f4 ef4exf4 3. Bc4 Qh4 4. Kf1 b5 5. Bb5 Nf6 6. Nf3 Qh6 7. d3 Nh5 8. Nh4 Qg5 9. Nf5 c6 10. g4 Nf6 11. Rg1 cb5cxb5 12. h4 Qg6 13. h5 Qg5 14. Qf3 Ng8 15. Bf4 Qf6 16. Nc3 Bc5 17. Nd5 Qb2 18. Bd6 Bg1 19. e5 Qa1 20. Ke2 Na6 21. Ng7 Kd8 22. Qf6 Nf6 23. Be7#

To me, it is still unclear what one would call perfect, but in terms of wins, Anderssen struck twice with the most unbelievable wins in the history of chess, which I'm going to paste here, the Immortal Game.

[FEN ""]
[Event "First International Tournament"]
[Site "London UK"]
[Date "1851.06.21"]
[Round "1"]
[Result "1-0"]
[White "Adolf Anderssen"]
[Black "Lionel Kieseritzky"]
[ECO "C33"]
[WhiteElo ""]
[BlackElo ""]
[PlyCount "50"]

1. e4 e5 2. f4 ef4 3. Bc4 Qh4 4. Kf1 b5 5. Bb5 Nf6 6. Nf3 Qh6 7. d3 Nh5 8. Nh4 Qg5 9. Nf5 c6 10. g4 Nf6 11. Rg1 cb5 12. h4 Qg6 13. h5 Qg5 14. Qf3 Ng8 15. Bf4 Qf6 16. Nc3 Bc5 17. Nd5 Qb2 18. Bd6 Bg1 19. e5 Qa1 20. Ke2 Na6 21. Ng7 Kd8 22. Qf6 Nf6 23. Be7#

To me, it is still unclear what one would call perfect, but in terms of wins, Anderssen struck twice with the most unbelievable wins in the history of chess, which I'm going to paste here, the Immortal Game.

[FEN ""]
[Event "First International Tournament"]
[Site "London UK"]
[Date "1851.06.21"]
[Round "1"]
[Result "1-0"]
[White "Adolf Anderssen"]
[Black "Lionel Kieseritzky"]
[ECO "C33"]
[WhiteElo ""]
[BlackElo ""]
[PlyCount "50"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4 4. Kf1 b5 5. Bb5 Nf6 6. Nf3 Qh6 7. d3 Nh5 8. Nh4 Qg5 9. Nf5 c6 10. g4 Nf6 11. Rg1 cxb5 12. h4 Qg6 13. h5 Qg5 14. Qf3 Ng8 15. Bf4 Qf6 16. Nc3 Bc5 17. Nd5 Qb2 18. Bd6 Bg1 19. e5 Qa1 20. Ke2 Na6 21. Ng7 Kd8 22. Qf6 Nf6 23. Be7#
1
source | link

To me, it is still unclear what one would call perfect, but in terms of wins, Anderssen struck twice with the most unbelievable wins in the history of chess, which I'm going to paste here, the Immortal Game.

[FEN ""]
[Event "First International Tournament"]
[Site "London UK"]
[Date "1851.06.21"]
[Round "1"]
[Result "1-0"]
[White "Adolf Anderssen"]
[Black "Lionel Kieseritzky"]
[ECO "C33"]
[WhiteElo ""]
[BlackElo ""]
[PlyCount "50"]

1. e4 e5 2. f4 ef4 3. Bc4 Qh4 4. Kf1 b5 5. Bb5 Nf6 6. Nf3 Qh6 7. d3 Nh5 8. Nh4 Qg5 9. Nf5 c6 10. g4 Nf6 11. Rg1 cb5 12. h4 Qg6 13. h5 Qg5 14. Qf3 Ng8 15. Bf4 Qf6 16. Nc3 Bc5 17. Nd5 Qb2 18. Bd6 Bg1 19. e5 Qa1 20. Ke2 Na6 21. Ng7 Kd8 22. Qf6 Nf6 23. Be7#