BT2630 test 12
Posted: Mon Dec 02, 2019 2:34 am
I have noticed that besides the published solution Qe4, Qf5 is a mate also:
[pgn]
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/pp3k2/2p1qp2/2P5/5P2/1R2p1rp/PP2R3/4K2Q b - - 0 1"]
[PlyCount "37"]
{[#]} 1... Qf5 {Stockfish 10 64 BMI2: 1)} 2. Rexe3 ({Stockfish 10 64 BMI2: 2)}
2. Rxb7+ Kg6 3. Rd7 Qxd7 4. Qe4+ f5 5. Qxe3 Rxe3 6. Rxe3 h2 7. Rg3+ Kf6 8. Rh3
Qg7 9. Rxh2 Qg1+ 10. Kd2 Qxh2+ 11. Ke3 Qg3+ 12. Ke2 Qxf4 13. a3 Qe4+ 14. Kd2 f4
15. b3 f3 16. a4 f2 17. Kc3 f1=Q 18. b4 Qed3+ 19. Kb2 Qfb1# {-#18/71}) 2...
Rxe3+ 3. Rxe3 Qb1+ 4. Kf2 Qxh1 5. Re1 Qxe1+ 6. Kxe1 h2 7. f5 h1=Q+ 8. Ke2 Qg2+
9. Ke3 Qxb2 10. a4 Qb3+ 11. Kf2 Qxa4 12. Ke2 Qe4+ 13. Kf2 Kg7 14. Kg3 Qe2 15.
Kh3 Qf2 16. Kg4 Kf7 17. Kh3 Qg1 18. Kh4 Qg2 19. Kh5 Qg5# {-#18/71} *[/pgn]
[pgn]
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "8/pp3k2/2p1qp2/2P5/5P2/1R2p1rp/PP2R3/4K2Q b - - 0 1"]
[PlyCount "37"]
{[#]} 1... Qf5 {Stockfish 10 64 BMI2: 1)} 2. Rexe3 ({Stockfish 10 64 BMI2: 2)}
2. Rxb7+ Kg6 3. Rd7 Qxd7 4. Qe4+ f5 5. Qxe3 Rxe3 6. Rxe3 h2 7. Rg3+ Kf6 8. Rh3
Qg7 9. Rxh2 Qg1+ 10. Kd2 Qxh2+ 11. Ke3 Qg3+ 12. Ke2 Qxf4 13. a3 Qe4+ 14. Kd2 f4
15. b3 f3 16. a4 f2 17. Kc3 f1=Q 18. b4 Qed3+ 19. Kb2 Qfb1# {-#18/71}) 2...
Rxe3+ 3. Rxe3 Qb1+ 4. Kf2 Qxh1 5. Re1 Qxe1+ 6. Kxe1 h2 7. f5 h1=Q+ 8. Ke2 Qg2+
9. Ke3 Qxb2 10. a4 Qb3+ 11. Kf2 Qxa4 12. Ke2 Qe4+ 13. Kf2 Kg7 14. Kg3 Qe2 15.
Kh3 Qf2 16. Kg4 Kf7 17. Kh3 Qg1 18. Kh4 Qg2 19. Kh5 Qg5# {-#18/71} *[/pgn]