MESON Chess Problem Database

Problem Display
PID: 134907 (6r1/2N2pp1/1p2p2Q/rpnp4/2PkP1N1/1P1P2P1/8/2Rn1BK1 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

The Problemist, 2009

6r1/2N2pp1/1p2p2Q/rpnp4/2PkP1N1/1P1P2P1/8/2Rn1BK1

#3

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sxb5#
    • 1...Ra2
      • 2.Sxb5#
    • 1...Ra3
      • 2.Sxb5#
    • 1...Ra4
      • 2.Sxb5#
    • 1...Ra6
      • 2.Sxb5#
    • 1...Ra7
      • 2.Sxb5#
    • 1...Raa8
      • 2.Sxb5#
    • 1...Sb2
      • 2.Qe3#
    • 1...Sf2
      • 2.Qe3#
    • 1...Sc3
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...dxc4
      • 2.Sxb5+
        • 2...Rxb5
          • 3.Rxc4#
    • 1...dxe4
      • 2.Qf4
        • threat
          • 3.Qe5#
          • 3.Qd6#
        • 2...e5
          • 3.Qxe5#
    • 1...e5
      • 2.Qd6
        • threat
          • 3.Qxe5#
          • 3.Qxd5#
    • 1...g5
      • 2.Qf6+
        • 2...e5
          • 3.Qxe5#
  • Tries
    • 1.Qxg7+?
      • 1...f6
        • 2.Qxf6+
          • 2...e5
            • 3.Qxe5#
      • 1...Rxg7!
    • 1.Qf6+?
      • 1...e5
        • 2.Qxe5#
      • 1...gxf6!
  • Keys
    • 1.cxd5!
      • threat
        • 2.Sxb5+
          • 2...Rxb5
            • 3.Rc4#
      • 1...Sxd3
        • 2.Qd2
          • threat
            • 3.Qxd3#
          • 2...Kxe4
            • 3.Qxd3#
          • 2...Sc3
            • 3.Qe3#
          • 2...Sb2
            • 3.Qe3#
          • 2...Sf2
            • 3.Qe3#
      • 1...Sxe4
        • 2.Qf4
          • threat
            • 3.Qe5#
            • 3.Qxe4#
          • 2...Sc3
            • 3.Qe3#
      • 1...exd5
        • 2.Qd6
          • threat
            • 3.Qe5#
            • 3.Qxd5#

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