MESON Chess Problem Database

Problem Display
PID: 219277 (8/8/8/Q7/8/2K5/r7/k7 w - - 0 1)

Speckmann, Werner

Schach, 1977

8/8/8/Q7/8/2K5/r7/k7

#5

2 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qg1#
      • 1...Ra3+
        • 2.Kc2
          • threat
            • 3.Qb1#
            • 3.Qb2#
          • 2...Ra2+
            • 3.Kc1
              • threat
                • 4.Qb1#
              • 3...Rc2+
                • 4.Kxc2
                  • 4...Ka2
                    • 5.Qa5#
                    • 5.Qa7#
                    • 5.Qb2#
                    • 5.Qa6#
      • 1...Rg2
        • 2.Qa7+
          • 2...Kb1
            • 3.Qb7+
              • 3...Ka1
                • 4.Qxg2
                  • 4...Kb1
                    • 5.Qb2#
              • 3...Kc1
                • 4.Qxg2
                  • threat
                    • 5.Qf1#
                    • 5.Qh1#
                    • 5.Qg1#
                    • 5.Qc2#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Kd1
                    • 5.Qf1#
                    • 5.Qd2#
              • 3...Ka2
                • 4.Qxg2+
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Ka3
                    • 5.Qa8#
        • 2.Qa6+
          • 2...Kb1
            • 3.Qf1+
              • 3...Ka2
                • 4.Qxg2+
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Ka3
                    • 5.Qa8#
            • 3.Qb7+
              • 3...Ka1
                • 4.Qxg2
                  • 4...Kb1
                    • 5.Qb2#
              • 3...Kc1
                • 4.Qxg2
                  • threat
                    • 5.Qf1#
                    • 5.Qh1#
                    • 5.Qg1#
                    • 5.Qc2#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Kd1
                    • 5.Qf1#
                    • 5.Qd2#
              • 3...Ka2
                • 4.Qxg2+
                  • 4...Ka1
                    • 5.Qb2#
                  • 4...Kb1
                    • 5.Qb2#
                  • 4...Ka3
                    • 5.Qa8#
      • 1...Rh2
        • 2.Qg1+
          • 2...Ka2
            • 3.Qxh2+
              • 3...Ka3
                • 4.Qb2+
                  • 4...Ka4
                    • 5.Qb4#
                • 4.Kc4
                  • 4...Ka4
                    • 5.Qa2#
                • 4.Qb8
                  • threat
                    • 5.Qa7#
                    • 5.Qb3#
                    • 5.Qa8#
                  • 4...Ka2
                    • 5.Qb2#
                  • 4...Ka4
                    • 5.Qb4#
                • 4.Qe2
                  • 4...Ka4
                    • 5.Qa6#

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