MESON Chess Problem Database

Problem Display
PID: 249496 (1r6/2Q5/8/8/p4P2/1k6/2N2P2/K7 w - - 0 1)

Ryabtsev, Volodimir Grigorovich

Uralski Problemist, 2000

1r6/2Q5/8/8/p4P2/1k6/2N2P2/K7

#5

5 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Sa3!
      • threat
        • 2.Qxb8+
          • 2...Kc3
            • 3.Qb2+
              • 3...Kd3
                • 4.Qc2+
                  • 4...Kd4
                    • 5.Qc4#
            • 3.Qd6
              • 3...Kb3
                • 4.Qd2
                  • 4...Kxa3
                    • 5.Qc3#
                    • 5.Qb2#
                • 4.Qd4
                  • 4...Kxa3
                    • 5.Qb2#
                    • 5.Qc3#
      • 1...Kxa3
        • 2.Qc3+
          • 2...Rb3
            • 3.Qc5+
              • 3...Rb4
                • 4.Qd6
                  • 4...Kb3
                    • 5.Qd3#
      • 1...Rb5
        • 2.Sxb5
          • threat
            • 3.Qc3#
          • 2...Kb4
            • 3.Sa3
              • threat
                • 4.Qc4+
                  • 4...Kxa3
                    • 5.Qc3#
                  • 4...Ka5
                    • 5.Qb5#
                • 4.Qe5
                  • 4...Kxa3
                    • 5.Qb2#
                    • 5.Qc3#
                  • 4...Kb3
                    • 5.Qb2#
              • 3...Kb3
                • 4.Qc4+
                  • 4...Kxa3
                    • 5.Qc3#
                • 4.Qa5
                  • 4...Kxa3
                    • 5.Qc3#
            • 3.Sd6
              • threat
                • 4.Qc4+
                  • 4...Ka3
                    • 5.Sb5#
                    • 5.Qc3#
                  • 4...Ka5
                    • 5.Qb5#
              • 3...Kb3
                • 4.Qc4+
                  • 4...Ka3
                    • 5.Sb5#
                    • 5.Qc3#
                • 4.Qc5
                  • 4...a3
                    • 5.Qc4#
              • 3...a3
                • 4.Qc4+
                  • 4...Ka5
                    • 5.Qb5#
          • 2...a3
            • 3.Sd6
              • threat
                • 4.Qc4#
              • 3...Ka4
                • 4.Qc4+
                  • 4...Ka5
                    • 5.Qb5#
              • 3...Kb4
                • 4.Qc4+
                  • 4...Ka5
                    • 5.Qb5#
              • 3...a2
                • 4.Qc4+
                  • 4...Ka3
                    • 5.Sb5#
      • 1...Rb6
        • 2.Qxb6+
          • 2...Kc3
            • 3.Qe3+
              • 3...Kb4
                • 4.Qe5
                  • 4...Kxa3
                    • 5.Qb2#
                    • 5.Qc3#
                  • 4...Kb3
                    • 5.Qb2#
            • 3.Qb2+
              • 3...Kd3
                • 4.Qc2+
                  • 4...Kd4
                    • 5.Qc4#
            • 3.Qd6
              • 3...Kb3
                • 4.Qd2
                  • 4...Kxa3
                    • 5.Qc3#
                    • 5.Qb2#
                • 4.Qd4
                  • 4...Kxa3
                    • 5.Qb2#
                    • 5.Qc3#
      • 1...Rb7
        • 2.Qxb7+
          • 2...Kc3
            • 3.Qb2+
              • 3...Kd3
                • 4.Qc2+
                  • 4...Kd4
                    • 5.Qc4#
            • 3.Qd5
              • 3...Kb4
                • 4.Qc4+
                  • 4...Kxa3
                    • 5.Qc3#
                  • 4...Ka5
                    • 5.Qb5#
                • 4.Qe5
                  • 4...Kxa3
                    • 5.Qb2#
                    • 5.Qc3#
                  • 4...Kb3
                    • 5.Qb2#

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