MESON Chess Problem Database

Problem Display
PID: 154833 (q2b4/1P3p2/nP1R1n2/4kpP1/2R1pN2/4N1P1/8/6K1 w - - 0 1)

Fawcett, Douglas

Leeds Mercury Weekly Supplement, 1879

(First published on Thu Sep 25 1879)

q2b4/1P3p2/nP1R1n2/4kpP1/2R1pN2/4N1P1/8/6K1

#2

9 + 8

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Rd5#
    • 1...Sd5
      • 2.Rxd5#
    • 1...Sh5
      • 2.Rd5#
    • 1...Sd7
      • 2.Rd5#
    • 1...Sh7
      • 2.Rd5#
    • 1...Se8
      • 2.Rd5#
    • 1...Sg8
      • 2.Rd5#
  • Tries
    • 1.Rcd4?
      • threat
        • 2.Sc4#
      • 1...Sd5
        • 2.R4xd5#
        • 2.R6xd5#
      • 1...Qc8!
    • 1.Rc5+?
      • 1...Sxc5
        • 2.Sc4#
      • 1...Sd5
        • 2.Rcxd5#
        • 2.Rdxd5#
      • 1...Kxd6!
    • 1.Rcc6?
      • threat
        • 2.Sc4#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Bxb6!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Sc4#
      • 1...Kxd6
        • 2.Sc4#
      • 1...Sd5
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • S(e);N_GUARD::R1(H)
    • S(e);N_GUARD::R1(H),XS(e)
  • Tries
    • Try
      • R(D);
      • Threat
        • S(B)
      • Refutation
        • Q(g);
    • Try
      • R(D);CHECK
      • Vars
        • S(d);XR(D)::S(B)
      • Refutation
        • K(b);S_FLIGHT,XR(H)
    • Try
      • R(D);
      • Threat
        • S(B)
      • Vars
        • S(e);N_GUARD::R1(H),XS(e)
      • Refutation
        • B(h);P_PINS(B),XP(G)
  • Actual
    • R(D);
    • Threat
      • S(B)
    • Vars
      • K(b);S_FLIGHT,XR(H)::S(B)
      • S(e);N_GUARD::R1(H),XS(e)
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