MESON Chess Problem Database

Problem Display
PID: 53110 (3N3K/2pnp3/Rn2b2Q/2r1k3/2qrP1P1/B1PR1p2/3N4/8 w - - 0 1)

Aune, Mikal

Schach-Echo, 1933

3N3K/2pnp3/Rn2b2Q/2r1k3/2qrP1P1/B1PR1p2/3N4/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Sxc4#
    • 1...Rxe4
      • 2.Sxf3#
    • 1...Sd5
      • 2.Rxe6#
    • 1...Sf6
      • 2.Qh2#
  • Tries
    • 1.cxd4+?
      • 1...Kd6
        • 2.Sxc4#
      • 1...Qxd4!
  • Keys
    • 1.Kg7!
      • threat
        • 2.Qh2#
      • 1...Kd6
        • 2.Sxc4#
      • 1...Rxe4
        • 2.Sxf3#
      • 1...Sd5
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(e);P_SPINB(g),P_SPINR(c),P_SPINS(f),S_FLIGHT::S(A),XQ(b)
    • R(c);SBLOCK,XP(E)::S(A),XP(a)
    • S(f);OGATE::R1(G),XB(g)
    • S(i);SBLOCK::QAB(H)
  • Tries
    • Try
      • P(C);CHECK,XR(c)
      • Vars
        • K(e);P_SPINB(g),P_SPINR(d),P_SPINS(f),S_FLIGHT::S(A),XQ(b)
      • Refutation
        • Q(b);XP(C)
  • Actual
    • K(J);S_FLIGHT
    • Threat
      • QAB(H)
    • Vars
      • K(e);P_SPINB(g),P_SPINR(c),P_SPINS(f),S_FLIGHT::S(A),XQ(b)
      • R(c);SBLOCK,XP(E)::S(A),XP(a)
      • S(f);OGATE::R1(G),XB(g)
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