White to move. How should white proceed?
Chess Daily News from Susan Polgar
Sunday chess review
About Author
White to move. How should white proceed?
1. Rf7+
V.1:
1. … Kg8 or Kh8
2. Qh7#
V.2:
1. … Kxf7
2. Qh7+
V.2.1:
2. … Ke8
3. Rc8#
V.2.2:
2. … Kf8
3. Rc8+ Re8
4. Qh8+ Ke7 or Kf7
5. Qxe8+
V.2.2.1:
5. … Kd6
6. Qc6+ Ke7
7. Qb7+ Kd8 or Ke8 or Kf8
8. Rc8#
V.2.2.2:
5. … Kf6
6. Qe5+ Kf7 or Kg6
7. Qf5+ Ke7 or Kg7
8. Rc7+
V.2.2.2.1:
8. … Kd8 or Ke8 or Kg8
9. Qc8#
V.2.2.2.2:
8. … Kh8
9. Qh7#
V.2.2.2.3:
8. … Bf7
9. Qxf7+ Kh8
10. Qf8#
V.2.2.3:
5. … Kg7
6. Rc7+ Kf6 (Bf7 Qxf7#)
7. Qe5+ Kg6
8. Qf5#
Rf7+
-hp
Rxe6 then Qe5+
Rxe6 then Qe5+
1. Rxf7+
V.1
1. … Kg8 or Kh8
2. Qh7#
V.2
1. … Kxf7
2. Qh7+
V.2.1
2. … Ke8
3. Rc8#
V.2.2
2. … Kf8
3. Qh8+
V.2.2.1
3. … Ke7
4. Rc7+ Kd6
5. Qd8#
V.2.2.2
3. … Kf7
4. Rc7+
V.2.2.2.1
4. … Kg6
5. Qg7#
V.2.2.2.2
4. … Re7
5. Qh7+
V.2.2.2.2.1
5. … Ke8 or Ke6
5. Qxe7#
V.2.2.2.2.2
5. … Kf8 or Kf6
6. Qxe7+ Kg8 or Kg6
6. Qg7#
1.Rxf7+ Kxf7 2.Rc7+ Re7(If 2…Ke8 3.Qa8+ Rb8 4.Qxb8# and if 2…Kg8 3.Qh7+ Kf8 4.Qf7#) 3.Qf5+ Kg8
(If 3…Ke8 4.Rc8#
4.Qg6+ Kf8 5.Rc8+ Re8 6.Rxe8#
Hi Susan Polgar,
Others had already posted the best combination of moves for this puzzle – Good.
Nothing to add further.
By
Venky [ India – Chennai ]