Find White's Drawing Line

Can white save this position? Can you guess the weakness in black's position that white exploits to draw this?

1r6/2k5/8/3np3/6N1/4B3/6K1/8 w - - 0 1

Comments (9)
No. 1-9
Yancey_Ward
Yancey_Ward

Editor

I am going to have to write up a entry discussing the issues I have with this problem.

Alena
Alena

Yes, Yancey you are right, my v-2 is wrong. Black will win the ending.I made a mistake on the third move.

V-3

1.Bf2 Nf4+
2.Kf3 Nd3
3.Nxe5 Nxe5+
4.Ke4 Kd6
5.Bg3 Rb4+
6.Kf5 Rb5
7.Kf6 Ra5
It's a draw.

Yancey_Ward
Yancey_Ward

Editor

In the solution I found given by the composer, he has 2.....Ng6 as black's best defense, but then I have problems with the variation he gives to the alternative of 2.....Rb3- I can't resolve whether or not 2.....Rb3 is a draw for white and maybe even leads to a cooked problem in one line, though that is judgment call, in my opinion. This is one time I would like someone with access to the Lomonosov Tablebase to offer some input into this problem- it is difficult to resolve these lines since white does always best to avoid piece exchanges, and black does best to avoid such exchanges that lose the pawn, too. In other words, I can't reduce this to positions I can be sure of, even with great effort.

Yancey_Ward
Yancey_Ward

Editor

Alena, that is a line I never looked at, but I wonder about black's 6th move in V-2. What if black just plays 6.....Ke6? Can white avoid the exchange of the knights? Just to give you a line for exemplification, consider: 6......Ke6 7.Nh5 Nf4+ 8.Nf4 ef4 which is an easy win for black. Indeed, I can't find a way to avoid that knight exchange, and all those endings should be won black as R+P vs B endings.

Alena
Alena

V-2

1.Bf2 Nf4+
2.Kf3 Nd3
3.Be3 Rb4
4.Nf6 Kd6
5.Bd2 Rh4
6.Ke2 Nb2
7.Bc3 Rh2+
8.Kf3 Rh3+
9.Kg4 Rh6
10.Kg5 Rh2
11.Bxe5+ Kxe5
12.Ng4+
It's a draw.



SusanPolgar
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