MESON Chess Problem Database

Problem Display
PID: 218999 (8/1N6/3p1R2/2RnP3/2Pk1n2/5P2/B2P1N2/K5B1 w - - 0 1)

Moseley, Antonio F

The Field, 1882

(First published on Sat Oct 14 1882)

8/1N6/3p1R2/2RnP3/2Pk1n2/5P2/B2P1N2/K5B1

#2

11 + 4

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Sg4#
    • 1...Se2
      • 2.Rxd5#
    • 1...Sg2
      • 2.Rxd5#
    • 1...Sd3
      • 2.Rxd5#
    • 1...Sh3
      • 2.Rxd5#
    • 1...Sh5
      • 2.Rxd5#
    • 1...Se6
      • 2.Rxd5#
    • 1...Sg6
      • 2.Rxd5#
    • 1...Se3
      • 2.Rxf4#
    • 1...Sb4
      • 2.Rxf4#
    • 1...Sb6
      • 2.Rxf4#
    • 1...Sc7
      • 2.Rxf4#
    • 1...Se7
      • 2.Rxf4#
  • Tries
    • 1.Rxd6?
      • 1...Se2
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Sg2
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Sd3
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Sh3
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Sh5
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Se6
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Sg6
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Kxe5!
  • Keys
    • 1.Sa5!
      • 1...Kxc5
        • 2.Sd3#
      • 1...Kxe5
        • 2.Sg4#
      • 1...Sxf6
        • 2.Sb3#
      • 1...dxc5
        • 2.Sc6#
      • 1...dxe5
        • 2.Sb3#
      • 1...Se3
        • 2.Sb3#
      • 1...Se2
        • 2.Rxd5#
      • 1...Sg2
        • 2.Rxd5#
      • 1...Sd3
        • 2.Rxd5#
      • 1...Sh3
        • 2.Rxd5#
      • 1...Sh5
        • 2.Rxd5#
      • 1...Se6
        • 2.Rxd5#
      • 1...Sg6
        • 2.Rxd5#
      • 1...Sc3
        • 2.Sb3#
      • 1...Sb4
        • 2.Sb3#
      • 1...Sb6
        • 2.Sb3#
      • 1...Sc7
        • 2.Sb3#
      • 1...Se7
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINS(c),S_FLIGHT,XP(I)::S(E)
    • S(b);N_GUARD::R1(H),XS(c)
    • S(c);N_GUARD::R(J),XS(b)
  • Tries
    • Try
      • R(J);P_PINS(c),XP(d)
      • Refutation
        • K(a);S_FLIGHT,XP(I)
  • Actual
    • S(K);
    • Vars
      • K(a);S_FLIGHT,XR(H)::B(B)+S(E),DCHECK
      • K(a);P_SPINS(c),S_FLIGHT,XP(I)::S(E)
      • S(c);XR(J)::S(K)
      • P(d);SBLOCK,XR(H)::S(K)
      • P(d);SBLOCK,XP(I)::S(K)
      • S(c);::S(K)
      • S(b);N_GUARD::R1(H),XS(c)
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