[Event "3rd UAPA Ty"] [Site "?"] [Date "2016.??.??"] [Round "?"] [White "(2) Richard Becker (USA)"] [Black "?"] [Result "1-0"] [Annotator "1st Honourable Mention"] [SetUp "1"] [FEN "6n1/2q2p2/Q4p2/5p2/8/5P2/2k1N3/6K1 w - - 0 1"] [PlyCount "51"] [EventDate "2015.??.??"] 1. Nd4+ $1 Kc1 2. Qf1+ (2. Kf1 $2 {(Kg2?)} Qb8 $1 $11) 2... Kb2 3. Qe2+ Ka1 4. Qd1+ Kb2 5. Qb3+ Kc1 6. Qb4 $1 {(threat 7.Kf1) 6...} Ne7 (6... Qa7 7. Kf1 (7. Kf2 $2 f4 $1 8. Kg2 Qa2+ 9. Kf1 Qa6+ 10. Ke1 Qd3 $11) 7... Qa6+ 8. Kf2 Qa7 ( 8... Qd3 9. Ne2+ Kc2 10. Qc5+ Kb2 11. Qc1+ Ka2 12. Qc7 {or 10.Qb8 wins the black Knight}) 9. f4 $1 $18) (6... Qg3+ 7. Kf1 Qh3+ 8. Ke2 Qg2+ 9. Kd3 $18) ( 6... Nh6 7. Qe1+ Kb2 8. Qd2+ Kb1 9. Qxh6 $18) (6... Kd1 7. Kf1 Kc1 8. Qe1+ { transposes to MAIN B}) 7. Kf1 (7. Kf2 $2 Qh2+ $11) (7. Kg2 $2 Ng6 $1 $11) 7... Ng8 {(MAIN B)} ({(MAIN A)} 7... Ng6 {(1st distant self-block)} 8. Qe1+ Kb2 9. Qd2+ {(Qe2+)} Kb1 10. Qd3+ Kc1 11. Qe3+ Kb2 12. Qb3+ Kc1 13. Ne2+ $1 Kd2 14. Qb2+ Ke3 (14... Kd3 15. Nc1+ Ke3 16. Qf2+ Kf4 17. Qh2+ $18) (14... Qc2 15. Qb4+ Ke3 16. Qb6+ Kd2 17. Kf2 Qc4 18. Qb2+ Qc2 19. Qb4+ $18) 15. Qd4+ Kxf3 16. Ng1+ Kg3 17. Qe3+ Kg4 18. Qh3+ Kg5 19. Nf3+ Kf4 {(self-blocked on g6)} 20. Qh2+ { wins}) (7... f4 8. Kf2 $1 Ng6 9. Qe1+ Kb2 10. Qd2+ Kb1 11. Qd1+ $1 (11. Qd3+ $2 Kc1 $1 $11) 11... Kb2 12. Qb3+ Kc1 13. Ne2+ Kd2 14. Qb2+ Kd3 15. Nc1+ Kc4 16. Qc2+ $18) (7... Nc8 8. Ke1 $18 ({also} 8. Ne2+ Kc2 9. Ke1 $18)) 8. Qe1+ $1 (8. Ke1 $2 Qe5+ $1 ({not} 8... Qe7+ $2 9. Ne2+ Kc2 10. Qc3+ Kb1 11. Qd2 $18) 9. Ne2+ Kc2 $11) (8. Ke2 $2 Qe7+ $1 $11 ({not} 8... Qe5+ $2 9. Kd3 $18)) (8. Kf2 $2 Qh2+ 9. Ke3 Qg1+ 10. Kd3 Qd1+ $11) (8. Kg2 $2 Kd1 $1 9. Kf1 Kc1 {loss of time}) 8... Kb2 9. Qd2+ {(Qe2+)} Ka1 10. Qd1+ (10. Kg2 $2 Qb6 $1 $11) 10... Kb2 11. Qb3+ Kc1 12. Qb4 $1 Ne7 {(2nd distant self-block)} (12... f4 13. Kg2 $18) 13. Qe1+ Kb2 14. Qd2+ {(Qe2+)} Kb1 15. Qd3+ Kc1 16. Qe3+ Kb2 17. Qb3+ Kc1 18. Qa2 $1 (18. Qb4 $2 Ng8 $1 {repeating}) 18... Kd1 19. Qb1+ Kd2 20. Qe1+ Kd3 21. Qd1+ Ke3 22. Nc2+ Kf4 23. Qd2+ Ke5 ({Main} 23... Kg3 24. Nd4 $1 Qb8 (24... Qe5 25. Kg1 Kh4 26. Qh6+ Kg3 27. Qh2#) 25. Qg2+ Kh4 26. Nxf5+ $1 Nxf5 27. Qg4# { model mate}) 24. f4+ Ke6 (24... Ke4 25. Qg2+ $1 Kd3 26. Nb4+ Kc3 27. Qc2+ $18) 25. Nd4+ Kd7 {(self-blocked on e7)} 26. Nb5+ {wins. Logical study with two distant self-blocks by the black Knight.} 1-0