MESON Chess Problem Database

Problem Display
PID: 230190 (1K2B3/1PB5/k3N3/N7/R4r2/b4r2/1Pbp4/3q4 w - - 0 1)

Caine, Walter Edmund

Sunday Chronicle, 1948

(First published on Sun Apr 4 1948)

1K2B3/1PB5/k3N3/N7/R4r2/b4r2/1Pbp4/3q4

#2

8 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Sc4#
    • 1...Rb4
      • 2.Sc5#
    • 1...Rf6
      • 2.Sb3#
    • 1...Rf7
      • 2.Sb3#
    • 1...Rf8
      • 2.Sb3#
    • 1...Be4
      • 2.Sb3#
    • 1...Bxb2
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
  • Keys
    • 1.Ka8!
      • threat
        • 2.b8S#
      • 1...Rb3
        • 2.Sc4#
      • 1...Rb4
        • 2.Sc5#
      • 1...Be4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • R(e);P_PINP(E),S_CUTB(b)::R(B)+S(C)
    • R(f);P_PINP(E),S_CUTB(d)::S(D)
    • R(f);N_GUARD::R(B)+S(C)
    • R(f);N_GUARD,P_PINB(H)::R(B)+S(C)
    • B(b);S_CUTR(f)::R(B)+S(C)
    • B(d);N_GUARD,XP(A)::S(D)
    • B(d);N_GUARD::S(D),XB(d)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • P=S
    • Vars
      • R(e);S_CUTB(b)::R(B)+S(C)
      • R(f);S_CUTB(d)::S(D)
      • B(b);P_PINP(E),S_CUTR(f)::R(B)+S(C)
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