[Event "Petrov MT"] [Site "?"] [Date "1975.??.??"] [Round "?"] [White "Kasparyan, G."] [Black "(Knight switch 1)"] [Result "1/2-1/2"] [Annotator "1st Prize"] [SetUp "1"] [FEN "4nrk1/8/5P2/8/2K3n1/2P1B3/B7/8 w - - 0 1"] [PlyCount "31"] [EventDate "1975.??.??"] 1. Kb5+ $1 (1. Kb4+ $2 Kh7 2. Bb1+ Kh8 3. Bc5 Rf7 4. Bg6 Rb7+ $19) 1... Kh7 $1 (1... Kh8 2. Bc5 Rxf6 3. Bd4 $11) 2. Bb1+ (2. Bc5 $2 Rxf6 3. Bb1+ Kh6 $19) 2... Kh8 3. Bc5 Rf7 4. Bg6 (4. Ba2 $2 Rb7+ 5. Ka6 Rb2 6. f7 Nc7+ 7. Ka5 Rxa2+ 8. Kb6 Ne6 $19) 4... Nd6+ $1 (4... Rb7+ 5. Ka6 $11) 5. Ka4 $1 (5. Bxd6 $2 Rxf6 6. Bh5 Rf5+ $19) 5... Rd7 6. f7 $1 Nxf7 7. Bd4+ $1 (7. Bf5 $2 Re7 8. Bd4+ Nge5 $19) 7... Nfe5 $1 (7... Kg8 8. Bf5 $11) 8. Bf5 Rg7 9. Ka3 $1 (9. Kb5 $2 Kg8 10. Bxg4 Rxg4 11. Bxe5 Rg5 $19) 9... Ne3 $1 10. Ka4 $1 (10. Bxe5 $2 Nc4+ $19) 10... N3c4 11. Be6 Nb2+ 12. Ka3 $1 Nbd3 13. Bf5 Nc4+ 14. Ka4 $1 (14. Kb3 $2 Nde5 $19) 14... Nde5 15. Be6 Nb2+ 16. Ka3 {positional draw} 1/2-1/2