Author: pavel
Date: 08:02:42 11/15/00
Go up one level in this thread
On November 15, 2000 at 10:51:16, Robert Hyatt wrote: >On November 15, 2000 at 10:47:23, Wayne Lowrance wrote: > >>Kees, what is the f6 problem with the tiger. ? >>Thanks >>Wayne > > >It doesn't understand that if white gets a pawn to f6, with the g-pawn moved >to g6 or even removed from the board, then a queen at h6 is difficult to >handle. In the first game discussed, that was the problem. There are several >variations... all based on the black pawn formation h7 g6 f7 and e6/e5. If >a pawn/bishop reaches f6, then a queen on h6 is almost always fatal. Same for >the pawn/bishop on h6, although it is a bit easier to defend since you now need >to cover f6 to prevent the queen from entering there. But f6 is easier to >defend than h6. > >This makes a class of positions that also hurts null-move programs, as a null- >move can take the position WQh6/WPf6 to the q-search where the mate might not >be seen. This leads to grossly wrong search results. is it possible to give an example postion? would be helpful to understand. thanks pavs
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.