it must be like this: 1. … Nd2+ 2. Bxd2+ Nxd2+ 3. Kg1 Nf3+ 4. Kf1 Rf2# or 3. Ke1 Rh1# if white doesn´t capture the knight on move 2, then: 2. Kg1 Nf3+ 3. Kf1 Nbd2+ and now he has to take the knight: 4. Bxd2+ Nxd2+ 5. Kg1 Nf3+ 6. Kf1 Rf2# or 5. Ke1 Rh1# greets, jan
1. Nbd2+ Kg1 1. … Bxd2 leads to the same mate as below, but two moves earlier. White needs these two moves to force the bishot to take on d2. Of course the black king cannot go to e1 because it would be mate at once (Rh1#). 2. Nf3+ Kf1 3. Ned2+! Bxd2+ No choice now. 4. Nxd2+ Kg1 5. Nf3+ Kf1 6. Rf2# A beautiful dance of the black knights!
Me: Siri, tell me, how to solve this problem?
Siri: It is better for you to ask Susan Polgar for the best answer.
^_^
Mate in six, I think. The first move was obvious, the only question was did it matter which knight you used, but I don’t think it does:
1. …..Nbd2
2. Kg1
Or [2.Bd2 Nd2 3.Kg1 (or 3.Ke1 Rh1#) 3. …Nf3 4.Kf1 Rf2#]. Continuing:
2. …..Nf3
3. Kf1 Ned2
4. Bd2 Nd2
5. Kg1 Nf3
6. Kf1 Rf2#
1……. Nbd2+
2. Kg1 Nf3+
3. Kf1 Ned2+!
4. Bxd2 Nxd2+
5. Kg1 Nf3+
6. Kf1 Rh1+
7. Kg2 Rg1+
8. Kh3 Kf2! (threatens Rg3#)
9. Rg4 Rh1#
it must be like this:
1. … Nd2+
2. Bxd2+ Nxd2+
3. Kg1 Nf3+
4. Kf1 Rf2# or
3. Ke1 Rh1#
if white doesn´t capture the knight on move 2, then:
2. Kg1 Nf3+
3. Kf1 Nbd2+ and now he has to take the knight:
4. Bxd2+ Nxd2+
5. Kg1 Nf3+
6. Kf1 Rf2# or
5. Ke1 Rh1#
greets, jan
1…. Ned2+
2.Kg1 Nf3+
(2.Bxd2+ Nxd2+ transposes due to 3.Kg1 (3.Ke1 Rh1#))
3.Kf1 Nbd2+
4.Bxd2+ Nxd2+
5.Kg1 Nf3+
6.Kf1 Rf2#
1. Nd2+ Bxd2
2. Nd2+ Kg1
3. Nf3+ Kf1
4. Rf2#
1. Nd2+ Bxd2+
2. Nxd2+ Kg1
3. Nf3+ Kf1
4. Rf2#
I can’t see the difference between Nbd2 and Ned2… but if this is a puzzle from a real game then it won’t matter.
1. Nbd2+ Kg1
1. … Bxd2 leads to the same mate as below, but two moves earlier. White needs these two moves to force the bishot to take on d2.
Of course the black king cannot go to e1 because it would be mate at once (Rh1#).
2. Nf3+ Kf1
3. Ned2+! Bxd2+ No choice now.
4. Nxd2+ Kg1
5. Nf3+ Kf1
6. Rf2# A beautiful dance of the black knights!