MESON Chess Problem Database

Problem Display
PID: 230680 (2b5/1p2K2p/p3BN2/4k2p/4p1pN/2P1R1PP/5n2/1R6 w - - 0 1)

Clugston, W

The Field, 1898

(First published on Sat Mar 12 1898)

2b5/1p2K2p/p3BN2/4k2p/4p1pN/2P1R1PP/5n2/1R6

#2

9 + 9

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd7
      • 2.Sxd7#
    • 1...Sd1
      • 2.Rxe4#
    • 1...Sh1
      • 2.Rxe4#
    • 1...Sd3
      • 2.Rxe4#
    • 1...Sxh3
      • 2.Rxe4#
    • 1...gxh3
      • 2.Sf3#
    • 1...a5
      • 2.Rb5#
    • 1...h6
      • 2.Sg6#
  • Tries
    • 1.Sxg4+?
      • 1...Sxg4
        • 2.Sf3#
      • 1...hxg4!
    • 1.Rd1?
      • threat
        • 2.Rd5#
      • 1...Sxd1
        • 2.Rxe4#
      • 1...Sd3
        • 2.Rxe4#
      • 1...Bxe6!
    • 1.Rxb7?
      • 1...Bxb7
        • 2.Sd7#
      • 1...Sxh3
        • 2.Rxe4#
      • 1...gxh3
        • 2.Sf3#
      • 1...Bd7
        • 2.Sxd7#
      • 1...Sd1
        • 2.Rxe4#
      • 1...Sh1
        • 2.Rxe4#
      • 1...Sd3
        • 2.Rxe4#
      • 1...a5
        • 2.Rb5#
      • 1...h6
        • 2.Sg6#
      • 1...Bxe6!
  • Keys
    • 1.Rb6!
      • 1...Bxe6
        • 2.Rxe6#
      • 1...Sxh3
        • 2.Rxe4#
      • 1...gxh3
        • 2.Sf3#
      • 1...Bd7
        • 2.Sxd7#
      • 1...Sd1
        • 2.Rxe4#
      • 1...Sh1
        • 2.Rxe4#
      • 1...Sd3
        • 2.Rxe4#
      • 1...a5
        • 2.Rb5#
      • 1...h6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(i);N_GUARD::S(H),XB(i)
    • S(a);N_GUARD::R1(C),XP(b)
    • S(a);N_GUARD,XP(E)::R1(C),XP(b)
    • P(c);N_GUARD,XP(E)::S(F)
    • P(f);N_GUARD::R(A)
    • P(h);N_GUARD::S(F)
  • Tries
    • Try
      • S(H);CHECK,XP(c)
      • Vars
        • S(a);XS(H)::S(F)
      • Refutation
        • P(e);XS(H)
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • S(a);N_GUARD,XR(A)::R1(C),XP(b)
        • S(a);N_GUARD::R1(C),XP(b)
      • Refutation
        • B(i);XB(G)
    • Try
      • R(A);XP(g)
      • Vars
        • B(i);N_GUARD,XR(A)::S(H)
        • S(a);N_GUARD,XP(E)::R1(C),XP(b)
        • P(c);N_GUARD,XP(E)::S(F)
        • B(i);N_GUARD::S(H),XB(i)
        • S(a);N_GUARD::R1(C),XP(b)
        • P(f);N_GUARD::R(A)
        • P(h);N_GUARD::S(F)
      • Refutation
        • B(i);XB(G)
  • Actual
    • R(A);
    • Vars
      • B(i);OGATE,XB(G)::R1(A),XB(i)
      • S(a);N_GUARD,XP(E)::R1(C),XP(b)
      • P(c);N_GUARD,XP(E)::S(F)
      • B(i);N_GUARD::S(H),XB(i)
      • S(a);N_GUARD::R1(C),XP(b)
      • P(f);N_GUARD::R(A)
      • P(h);N_GUARD::S(F)
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