Originally posted by RagnorakSince nobody else seems to have any ideas about this one, what about : -
Here's another one.
White to move and win
[fen]8/1P6/8/8/2K5/5p2/4k3/8 w - - 0 1[/fen]
D
1. b=Q f2 2. Qe5+ Kf1 3. Ke2 4. Qg2 Ke1 5. Kc3 If Black
promotes to Q, R or B then 6. Qd2 mate. If 5. ... f1=N, then
6. Kd3 Ng3 7. Qxg3+ Kf1 8. Qh2 Ke1 9. Qg1 mate.
Originally posted by Essex 3White is lucky that he can win against the f-pawn. Just clarify how to continue after 1.b8=Q f2 2.Qe5+ Kf3 ?
Since nobody else seems to have any ideas about this one, what about : -
1. b=Q f2 2. Qe5+ Kf1 3. Ke2 4. Qg2 Ke1 5. Kc3 If Black
promotes to Q, R or B then 6. Qd2 mate. If 5. ... f1=N, then
6. Kd3 Ng3 7. Qxg3+ Kf1 8. Qh2 Ke1 9. Qg1 mate.
Originally posted by Mephisto2After 2. ... Kf3 3. Qd5+ Then : -
White is lucky that he can win against the f-pawn. Just clarify how to continue after 1.b8=Q f2 2.Qe5+ Kf3 ?
A/ 3. ... Kf4, g3, or g4 4. Qh1 and 5. Qf1
B/ 3. ... Ke2 4. Qg2 is the same position as in the original line after
White's 4th move.
C/ 3. ... Ke3 4. Qg2 Ke2 5. Kd4 (he must reach c3 after Black
plays Ke1) 5. ... Ke1 6. Kc3 and is in the original line after White's
5th move.
White wins if his King can reach c1, c2, c3 or e3, where it will not be
in check from Black's new Queen on f1, and can defend the Queen
when it moves to d2 to mate, and he must prevent the Black King
getting into the corner (hence 3. Qg3).