Problem Display
PID: 95596 (b7/k2N4/1R6/2B5/3K4/5p2/1p6/8 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

1st Prize, Birnov MT, 1996

b7/k2N4/1R6/2B5/3K4/5p2/1p6/8

#4

4 + 4


133 The Problemist Supplement 2008

SOLUTION


  • SOUND
  • Keys
    • 1.Kc3!
      • threat
        • 2.Rb4+
          • 2...Ka6
            • 3.Sb8+
              • 3...Ka5
                • 4.Bb6#
      • 1...b1S+
        • 2.Kb4
          • threat
            • 3.Rb5+
              • 3...Ka6
                • 4.Sb8#
            • 3.Ka5
              • threat
                • 4.Rxb1#
                • 4.Rb2#
                • 4.Rb3#
                • 4.Rb4#
                • 4.Rb5#
                • 4.Rb8#
              • 3...Bb7
                • 4.Ra6#
          • 2...Be4
            • 3.Rb5+
              • 3...Ka6
                • 4.Sb8#
              • 3...Ka8
                • 4.Rb8#
            • 3.Ka5
              • threat
                • 4.Rb8#
              • 3...Ka8
                • 4.Rb8#
              • 3...Bb7
                • 4.Ra6#
          • 2...Bd5
            • 3.Rb5+
              • 3...Ka6
                • 4.Sb8#
              • 3...Ka8
                • 4.Rb8#
            • 3.Ka5
              • threat
                • 4.Rb8#
              • 3...Ka8
                • 4.Rb8#
              • 3...Bb7
                • 4.Ra6#
          • 2...Bc6
            • 3.Rb5+
              • 3...Ka6
                • 4.Sb8#
              • 3...Ka8
                • 4.Rb8#
          • 2...Bb7
            • 3.Ra6+
              • 3...Kxa6
                • 4.Sb8#
      • 1...Bb7
        • 2.Rxb2+
          • 2...Ka6
            • 3.Bb6
              • threat
                • 4.Sc5#
                • 4.Sb8#
          • 2...Ka8
            • 3.Bf2
              • 3...Be4
                • 4.Rb8#
              • 3...Bd5
                • 4.Rb8#
              • 3...Ba6
                • 4.Rb8#
              • 3...Bc6
                • 4.Rb8#
              • 3...Bc8
                • 4.Rb8#

FEATURES


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