MESON Chess Problem Database

Problem Display
PID: 255273 (8/8/8/3p1k2/3B4/N5Q1/8/K7 w - - 0 1)

Lukaschow, L

Problemist Pribuzhya, 1991

8/8/8/3p1k2/3B4/N5Q1/8/K7

#5

4 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc7
          • 2...Ke4
            • 3.Se6
              • 3...Kf5
                • 4.Sg7+
                  • 4...Ke4
                    • 5.Qe3#
      • 1...Ke4
        • 2.Qg4+
          • 2...Kd3
            • 3.Sa3
              • 3...Kd2
                • 4.Qf3
                  • 4...Kc1
                    • 5.Be3#
                  • 4...Ke1
                    • 5.Bc3#
            • 3.Sc3
              • 3...Kc4
                • 4.Qd1
                  • 4...Kb4
                    • 5.Qa4#
        • 2.Qf2
          • 2...Kd3
            • 3.Kb1
              • threat
                • 4.Qc2#
              • 3...Kc4
                • 4.Qb2
                  • 4...Kd3
                    • 5.Qc2#
              • 3...Ke4
                • 4.Sd6+
                  • 4...Kd3
                    • 5.Qe3#
                • 4.Kc1
                  • 4...Kd3
                    • 5.Qc2#
                • 4.Kb2
                  • 4...Kd3
                    • 5.Qc2#
                • 4.Sa3
                  • 4...Kd3
                    • 5.Qe3#
            • 3.Sa3
              • 3...Ke4
                • 4.Kb1
                  • 4...Kd3
                    • 5.Qe3#
                • 4.Ka2
                  • 4...Kd3
                    • 5.Qe3#
                • 4.Kb2
                  • 4...Kd3
                    • 5.Qe3#
        • 2.Qh3
          • 2...Kf4
            • 3.Sd6
              • 3...Kg5
                • 4.Qf5+
                  • 4...Kh4
                    • 5.Bf2#
                  • 4...Kh6
                    • 5.Sf7#
            • 3.Bf6
              • threat
                • 4.Sd4
                  • 4...Ke4
                    • 5.Qf3#
              • 3...Ke4
                • 4.Sd4
                  • 4...Kf4
                    • 5.Qf3#
              • 3...d4
                • 4.Sxd4
                  • 4...Ke4
                    • 5.Qf3#
      • 1...Ke6
        • 2.Qe5+
          • 2...Kd7
            • 3.Sa7
              • 3...Kd8
                • 4.Bc5
                  • threat
                    • 5.Qe7#
                  • 4...Kd7
                    • 5.Qe7#
          • 2...Kf7
            • 3.Sd6+
              • 3...Kg6
                • 4.Qf5+
                  • 4...Kh6
                    • 5.Sf7#

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