This looks drawn with best play from both sides. Is there something else hidden in the position?
Normally I don't post no-brainers...
Caution: be sure that there's a white bishop on d2. I don't see it (see lichess feedback) but according to the FEN (second row: "3B4") it is there.
Have fun, now it's time for hiking! Viel Spasski! ;)
Caution: be sure that there's a white bishop on d2. I don't see it (see lichess feedback) but according to the FEN (second row: "3B4") it is there.
Have fun, now it's time for hiking! Viel Spasski! ;)
Looks drawn to me as well...
Yes, there is:
White plays 1.Bh6! intending to lock the black king or bishop in. Surprisingly white is able to win the game. I made a study for it:
White plays 1.Bh6! intending to lock the black king or bishop in. Surprisingly white is able to win the game. I made a study for it:
Reminds me of a mate problem by Kohtz and Kockelkorn: I'm not sure if my solution is correct, but the idea looks the same.
1. Bh6 c5 (1...Kg8 2. Ne4 c5 3. Nd6; the threat of 2. Ne4 was Nc5 and the bishop would be lost) 2. Nb5 and if 2...Kg8, 3. Nd6. The result is a mating net with black completely helpless on the dark squares. White then brings the king in. If black gives up the bishop at any point it's a B+N mate.
Sample line: 1. Bh6 c5 2. Nb5 Be4+ 3. Kb2 c4 4. Kc3 Bd3 5. Kd4 and:
5...Bf1 6. Ke5 Kg8 (6...c3 7. Nxc3) 7. Kf6 Be2 8. Nd6 Bg4 (8...c3 9. Nc8 c2 10. Ne7+ Kh8 11. Bg7#) 9. Nxc4, then getting back to f6/e7, winning.
5...Kg8 6. Nd6 Bf1 7. Ke6! c3 (7...Bh3+! 8. Ke7 c3 9. Ne4 is the same) 8. 8. Ne4 c2 9. Nf6+ Kh8 10. Kf7 Bc4+ 11. Kf8 c1=Q 12. Bg7#
5...c3 6. Kxd3 (of course the bishop and not 6. Nxc3? Kg8 escaping.)
The problem by K&K: Mate in 5 (not four. Five.)
lichess.org/editor/b6k/7p/5N1P/8/8/6p1/8/B5K1 w - -
Edit: A quick search after solving reveals that Sarg0n has given us a Troitsky from 1929.
1. Bh6 c5 (1...Kg8 2. Ne4 c5 3. Nd6; the threat of 2. Ne4 was Nc5 and the bishop would be lost) 2. Nb5 and if 2...Kg8, 3. Nd6. The result is a mating net with black completely helpless on the dark squares. White then brings the king in. If black gives up the bishop at any point it's a B+N mate.
Sample line: 1. Bh6 c5 2. Nb5 Be4+ 3. Kb2 c4 4. Kc3 Bd3 5. Kd4 and:
5...Bf1 6. Ke5 Kg8 (6...c3 7. Nxc3) 7. Kf6 Be2 8. Nd6 Bg4 (8...c3 9. Nc8 c2 10. Ne7+ Kh8 11. Bg7#) 9. Nxc4, then getting back to f6/e7, winning.
5...Kg8 6. Nd6 Bf1 7. Ke6! c3 (7...Bh3+! 8. Ke7 c3 9. Ne4 is the same) 8. 8. Ne4 c2 9. Nf6+ Kh8 10. Kf7 Bc4+ 11. Kf8 c1=Q 12. Bg7#
5...c3 6. Kxd3 (of course the bishop and not 6. Nxc3? Kg8 escaping.)
The problem by K&K: Mate in 5 (not four. Five.)
lichess.org/editor/b6k/7p/5N1P/8/8/6p1/8/B5K1 w - -
Edit: A quick search after solving reveals that Sarg0n has given us a Troitsky from 1929.
Wow, that's just another level to B+N endgame ideas. Quite complicated to see that's black's doomed when the king can just get out the cage, even engines don't see it for some time.
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