MESON Chess Problem Database

Problem Display
PID: 152276 (8/8/4B3/pr1pB2p/Pp1PkppP/1R2pn2/1N3RP1/3K4 w - - 0 1)

Sanctuary, D

Hampstead and Highgate Express, 1898

(First published on Sat Apr 16 1898)

8/8/4B3/pr1pB2p/Pp1PkppP/1R2pn2/1N3RP1/3K4

#2

10 + 10

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Rxf4#
    • 1...Sg1
      • 2.Rxf4#
    • 1...Sd2
      • 2.Rxf4#
    • 1...Sh2
      • 2.Rxf4#
    • 1...Sxh4
      • 2.Rxf4#
    • 1...Sg5
      • 2.Rxf4#
    • 1...e2+
      • 2.Rxe2#
    • 1...g3
      • 2.gxf3#
  • Tries
    • 1.Rxe3+?
      • 1...Kxe3
        • 2.Re2#
      • 1...fxe3!
  • Keys
    • 1.Sd3!
      • 1...e2+
        • 2.Rxe2#
      • 1...Sxd4
        • 2.Rxf4#
      • 1...Sxh4
        • 2.Rxf4#
      • 1...Sxe5
        • 2.Rxf4#
      • 1...exf2
        • 2.Sxf2#
      • 1...Rc5
        • 2.Sxc5#
      • 1...Rb6
        • 2.Sc5#
      • 1...Rb7
        • 2.Sc5#
      • 1...Rb8
        • 2.Sc5#
      • 1...Se1
        • 2.Rxf4#
      • 1...Sg1
        • 2.Rxf4#
      • 1...Sd2
        • 2.Rxf4#
      • 1...Sh2
        • 2.Rxf4#
      • 1...Sg5
        • 2.Rxf4#
      • 1...g3
        • 2.gxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::R1(C),XP(e)
    • S(b);OGATE,XP(H)::R1(C),XP(e)
    • P(a);CHECK,OGATEB::R(C),XP(a)
    • P(f);N_GUARD::P(D),XS(b)
  • Tries
    • Try
      • R(E);CHECK,XP(a)
      • Vars
        • K(d);P-FLIGHT,XR(E)::R1(C)
      • Refutation
        • P(e);XR(E)
  • Actual
    • S(B);
    • Vars
      • P(a);CHECK,OGATEB::R(C),XP(a)
      • S(b);OGATE,XP(G)::R1(C),XP(e)
      • S(b);OGATE,XP(H)::R1(C),XP(e)
      • S(b);OGATE,XB(I)::R1(C),XP(e)
      • P(a);XR(C)::S(B),XP(a)
      • R(h);N_GUARD::S(B),XR(h)
      • R(h);N_GUARD::S(B)
      • S(b);OGATE::R1(C),XP(e)
      • P(f);N_GUARD::P(D),XS(b)
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