Viktor Korchnoi

No Chess Grandmaster is normal; they only differ in the extent of their madness.

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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown79"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/p3k3/4P3/1PNR4/3p1n1P/P6N/6p1/2K5 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]

1... Nxh3 2. Rd7+ Kf6 3. Ne4+ Kg6 4. h5+ Kh6 ( { White dare not try: } 4... Kxh5 5. Rg7 g1=Q+ 6. Rxg1 Nxg1 7. e7 Ne2+ 8. Kd2 Nf4 9. e8=Q+ { White wins
with a large material advantage. } ) 5. e7 g1=Q+ 6. Kc2 Qg2+ 7. Kd3 Nf4+ 8. Kxd4 Qb2+ ( { Black can try: } 8... Qg7+ 9. Kc4 Qf7+ 10. Kb4 Nxh5 11. Rxa7 Kg6 12. a4 Nf6 13. Nxf6 Kxf6 14. Rc7 Ke6 15. b6 Kd6 16. a5 { With equal chances. } ) 9. Ke3 Ng2+ 10. Kf3 Ne1+ 11. Ke3 Qb3+ 12. Kf2 Qf3+ 13. Kxe1 Qxe4+ 14. Kd2 Kxh5 15. a4 Kg6 16. Rxa7 Kf7 { Black wins with a large material
advantage.|White has few good moves left. } 0-1