MESON Chess Problem Database

Problem Display
PID: 221966 (8/1R6/7N/5b2/8/K7/B7/k7 w - - 0 1)

Osinski, Franz

Freie Presse, 1963

8/1R6/7N/5b2/8/K7/B7/k7

#4

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rg7!
      • threat
        • 2.Rg1+
          • 2...Bb1
            • 3.Rxb1#
      • 1...Bb1
        • 2.Bxb1
          • 2...Kxb1
            • 3.Rc7
              • 3...Ka1
                • 4.Rc1#
      • 1...Bg4
        • 2.Rc7
          • threat
            • 3.Rc1#
          • 2...Bf5
            • 3.Rc1+
              • 3...Bb1
                • 4.Rxb1#
      • 1...Bg6
        • 2.Sf5
          • threat
            • 3.Sd4
              • threat
                • 4.Sb3#
              • 3...Bc2
                • 4.Sxc2#
              • 3...Bf7
                • 4.Sc2#
                • 4.Rg1#
          • 2...Bxf5
            • 3.Rg1+
              • 3...Bb1
                • 4.Rxb1#
          • 2...Bh5
            • 3.Rg1+
              • 3...Bd1
                • 4.Rxd1#
            • 3.Rb7
              • threat
                • 4.Rb1#
            • 3.Rc7
              • threat
                • 4.Rc1#

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