MESON Chess Problem Database

Problem Display
PID: 215056 (8/3pK3/3Pp1P1/2Pk3p/4N2p/1p1NP3/P2P4/6Q1 w - - 0 1)

Nielsen, Vilhelm

Nordiske Skakproblemer (Arnell & Sorensen), 1879

8/3pK3/3Pp1P1/2Pk3p/4N2p/1p1NP3/P2P4/6Q1

#4

10 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qd1!
      • threat
        • 2.Sf4+
          • 2...Kxe4
            • 3.Kf6
              • threat
                • 4.Qh1#
          • 2...Ke5
            • 3.Sf2
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
            • 3.Sc3
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
            • 3.Sf6
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
            • 3.d3
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
          • 2...Kc6
            • 3.Qxb3
              • threat
                • 4.Qb6#
        • 2.Sf6+
          • 2...Kc6
            • 3.Qxb3
              • threat
                • 4.Qb6#
        • 2.Se5
          • threat
            • 3.d4
              • threat
                • 4.Sc3#
                • 4.Sf6#
              • 3...Kxe4
                • 4.Qf3#
          • 2...Kxe4
            • 3.Qf3+
              • 3...Kxe5
                • 4.d4#
          • 2...Kxe5
            • 3.Sc3
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
            • 3.Sf6
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
      • 1...Kxe4
        • 2.Se5
          • threat
            • 3.Qf3+
              • 3...Kxe5
                • 4.d4#
          • 2...Kd5
            • 3.d4
              • threat
                • 4.Qf3#
                • 4.Qh1#
              • 3...Ke4
                • 4.Qf3#
          • 2...Kxe5
            • 3.Qf3
              • threat
                • 4.d4#
          • 2...Kf5
            • 3.Qf3+
              • 3...Kxe5
                • 4.d4#
              • 3...Kg5
                • 4.Qf4#
      • 1...bxa2
        • 2.Se5
          • threat
            • 3.d4
              • threat
                • 4.Sc3#
                • 4.Sf6#
              • 3...Kxe4
                • 4.Qf3#
          • 2...Kxe4
            • 3.Qf3+
              • 3...Kxe5
                • 4.d4#
          • 2...Kxe5
            • 3.Sc3
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
            • 3.Sf6
              • threat
                • 4.Qxh5#
              • 3...Kf5
                • 4.Qxh5#
          • 2...a1Q
            • 3.d4
              • threat
                • 4.Sf6#
              • 3...Kxe4
                • 4.Qf3#
              • 3...Qxd4
                • 4.Qxd4#
          • 2...a1B
            • 3.d4
              • threat
                • 4.Sf6#
              • 3...Kxe4
                • 4.Qf3#
              • 3...Bxd4
                • 4.Qxd4#
        • 2.Qa4
          • threat
            • 3.Sc3#
            • 3.Sf6#
          • 2...a1Q
            • 3.Sc3+
              • 3...Qxc3
                • 4.e4#
          • 2...a1B
            • 3.Sc3+
              • 3...Bxc3
                • 4.e4#

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