MESON Chess Problem Database

Problem Display
PID: 253520 (1b6/p7/N1npp1B1/p2k4/P1Np2pQ/8/3K4/8 w - - 0 1)

Mironenko, Nikolai Ivanovich

Tekhnika Molodezhi, 1969

1b6/p7/N1npp1B1/p2k4/P1Np2pQ/8/3K4/8

#4

6 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Bd3
          • threat
            • 3.Qe4#
            • 3.Qh1#
          • 2...e5
            • 3.Qg8#
            • 3.Qf7#
      • 1...Kxc4
        • 2.Bb1
          • threat
            • 3.Ba2#
          • 2...Kb3
            • 3.Qc2+
              • 3...Ka3
                • 4.Qa2#
          • 2...Kd5
            • 3.Qe4+
              • 3...Kc4
                • 4.Ba2#
          • 2...Sb4
            • 3.Qd3+
              • 3...Kd5
                • 4.Qb5#
              • 3...Sxd3
                • 4.Ba2#
      • 1...Sb4
        • 2.Qb7+
          • 2...Kxc4
            • 3.Bc2
              • threat
                • 4.Qb5#
              • 3...d3
                • 4.Qe4#
      • 1...Se7
        • 2.Qh1+
          • 2...Kxc4
            • 3.Qb1
              • threat
                • 4.Qa2#
                • 4.Qb5#
              • 3...Kd5
                • 4.Qb5#
              • 3...d3
                • 4.Qxd3#
      • 1...Sd8
        • 2.Qh1+
          • 2...Kxc4
            • 3.Qb1
              • threat
                • 4.Qa2#
                • 4.Qb5#
              • 3...Kd5
                • 4.Qb5#
              • 3...d3
                • 4.Qxd3#
        • 2.Kd3
          • threat
            • 3.Be4#
            • 3.Qh1#
          • 2...Kc6
            • 3.Be8+
              • 3...Kd5
                • 4.Qe4#
                • 4.Qh1#
          • 2...e5
            • 3.Qd7
              • threat
                • 4.Be4#
              • 3...e4+
                • 4.Bxe4#

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