MESON Chess Problem Database

Problem Display
PID: 8392 (8/1p2K3/3R4/1Q6/5p2/8/5r2/kB4b1 w - - 0 1)

Froberg, Johan Hilding Laurentius

Problemisten, 1975

8/1p2K3/3R4/1Q6/5p2/8/5r2/kB4b1

#3

4 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Qa4+
        • 2...Kxb1
          • 3.Rd1#
        • 2...Ra2
          • 3.Qxa2#
    • 1...Re2+
      • 2.Qxe2
        • threat
          • 3.Qa2#
        • 2...Kxb1
          • 3.Rd1#
  • Tries
    • 1.Ra6+?
      • 1...Ra2
        • 2.Rxa2#
      • 1...bxa6!
    • 1.Qa4+?
      • 1...Kxb1
        • 2.Qb3+
          • 2...Ka1
            • 3.Rd1#
          • 2...Kc1
            • 3.Rd1#
          • 2...Rb2
            • 3.Rd1#
      • 1...Kb2!
    • 1.Qa5+?
      • 1...Kb2
        • 2.Rb6+
          • 2...Kc1
            • 3.Qe1#
      • 1...Kxb1!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Ra4+
          • 2...Ra2
            • 3.Rxa2#
      • 1...Re2+
        • 2.Qxe2
          • threat
            • 3.Qa2#
          • 2...Kxb1
            • 3.Rd1#
      • 1...Rb2
        • 2.Qa4+
          • 2...Kxb1
            • 3.Rd1#
          • 2...Ra2
            • 3.Qxa2#
      • 1...Ra2
        • 2.Bxa2
          • threat
            • 3.Qb1#
          • 2...Kxa2
            • 3.Ra4#
      • 1...Rc2
        • 2.Bxc2
          • threat
            • 3.Ra4#
            • 3.Qb1#
          • 2...Ka2
            • 3.Ra4#
        • 2.Ra4+
          • 2...Ra2
            • 3.Rxa2#
      • 1...Rd2
        • 2.Ra4+
          • 2...Ra2
            • 3.Rxa2#
      • 1...Rg2
        • 2.Ra4+
          • 2...Ra2
            • 3.Rxa2#
      • 1...Rh2
        • 2.Ra4+
          • 2...Ra2
            • 3.Rxa2#
      • 1...Rf3
        • 2.Ra4+
          • 2...Ra3
            • 3.Rxa3#

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