[Event "Problemist Ukrainy"] [Site "?"] [Date "2018.??.??"] [Round "?"] [White "(3)Aleksandr Stavrietsky (RUS"] [Black "?"] [Result "1/2-1/2"] [Annotator "3rd Honourable Mention"] [SetUp "1"] [FEN "2b3r1/4B2R/1PkPr2Q/8/q3p1PK/1N6/2B4p/8 w - - 0 0"] [PlyCount "35"] 1. Qc1 $1 (1. Bxe4+ $2 Qxe4 2. Qc1+ Kb5 $19) (1. Na5+ $2 Qxa5 2. Ba4+ Qxa4 3. Qc1+ Kxb6 $19) 1... Rh6+ $1 2. Rxh6 h1=Q+ $1 3. Qxh1 Rxg4+ 4. Kh3 $1 Rg6+ 5. d7 $1 (5. Kh2 $2 Rxh6+ 6. Kg2 Rxh1 7. Na5+ Qxa5 8. Bxe4+ Kd7 9. Bf5+ Qxf5 $19) 5... Bxd7+ 6. Kh2 Rxh6+ 7. Kg2 Rxh1 8. Na5+ $1 Qxa5 9. Bxe4+ Kb5 10. Bd3+ Ka4 11. Bc2+ Kb5 12. Bd3+ Kc6 13. Be4+ Kxb6 14. Bd8+ Kb5 15. Bd3+ $1 (15. Bxa5 $2 Rh4 $1 $19) 15... Ka4 (15... Kb4 16. Bxa5+ $11) 16. Bc2+ (16. Bxa5 $2 Rh3 $1 $19) 16... Kb5 17. Bd3+ $1 (17. Bxa5 $2 Bc6+ $19) 17... Ka4 18. Bc2+ { perpetual check} 1/2-1/2