Bundesliga tactic Chess tactic, Puzzle Solving Black to move. How should black proceed?Source: ChessToday.net Chess Daily News from Susan Polgar
1…Nb4+ 2. Kh1 (2. ab ab+ 3. Na4 R:a4#) Nb3#
1. … Nb4+! 2. axb4 (1. Ka1 Nb3#) axb4+ 3. Na4 Rxa4#
Nb4 isn’t it, almost without thinking about it?
1. …..Nb4
2. ab4 ab4 and white has two delaying sacrificial blocks with Ba5 and Na4. Also, at move 2, white can’t retreat the king:
1. …..Nb4
2. Ka1 Nb3#
Hello.
1. Nb4 check and wins.
1. … Nb4+
2. (a) axb4 axb4+
3. Na4 Rxa4#
2. (b) Ka1 Nb3#
Mark
1. …Nb4+
If 2. a3xb4 a5xb4++
If 2. Ka1 Nb3++
1. … Nb4+!!
2. axb4
(If 2. Ka1 Nb3+ checkmate)
2. … axb4+
3. Ba5 Rxa5+
4. Na4 Rxa4+ checkmate
…Nb4+
1. … Nb4+
2. Ka1 Nb3#
2. axb4 axb4+
3. Na4 Rxa4#
1 … Nb4+
2 ab ab
and mate follows
1. …Nb4+ !!
If 2. Ka1 Nb3#
If 2. axb4 axb4+ 3.Bxa5 Rxa5+ 4.Na4 Rxa4#
Harry
1.- …Rb4+
a.-2.- Ka1 Rb3##
b.- 2.- axb4 axb4##
An eyecatching move here is:
1. Nb4+! axb4 (Ka1 Nb3#)
2. axb4+ Ba5 (king was trapped)
3. Rxa5+ Na4
4. Rxa4#
1…Nb4+
(2.Ka1 Nb3#)
2.axb4 axb4+
and mate can only be delayed by
3.Ba5 Rxa5+
4.Na4 Rxa4#