But I don't understand why Maciej played |20.p6. Why not |20.m13 ?
On
2011-11-07 at 02:19,
Alan Hensel
said:
I think you answered your own question with an earlier sequence.
If |20.m13 then 21.r622.p623.t524.v725.s826.s13, and then 27.n16. In other words, as soon as the |19.o13 peg went in, the r15-q17 group could be disconnected from either the left edge or the right edge in one move. The only connection to the right edge, then, was across the top, and the lightest touch that could possibly protect that path was 20.p6.
What I understand is that Klaus played 19.o13 because
if |19.r6, then 20.p6 21.t5 22.v7 23.s8 24.s13 25.t12 26.t11
if |19.u7, then 20.s4 21.v5 22.u3
But I don't understand why Maciej played |20.p6. Why not |20.m13 ?
If |20.m13 then 21.r6 22.p6 23.t5 24.v7 25.s8 26.s13, and then 27.n16. In other words, as soon as the |19.o13 peg went in, the r15-q17 group could be disconnected from either the left edge or the right edge in one move. The only connection to the right edge, then, was across the top, and the lightest touch that could possibly protect that path was 20.p6.