MESON Chess Problem Database

Problem Display
PID: 106769 (k3BN1R/1pK2P2/1P6/2B1p3/3p4/Np3n2/7r/R5rb w - - 0 1)

Luke, R

The Field, 1955

(First published on Thu Feb 24 1955)

k3BN1R/1pK2P2/1P6/2B1p3/3p4/Np3n2/7r/R5rb

#2

9 + 9

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rgg2
      • 2.Sc2#
    • 1...Rg3
      • 2.Sc2#
    • 1...Rg4
      • 2.Sc2#
    • 1...Rg5
      • 2.Sc2#
    • 1...Rg6
      • 2.Sc2#
    • 1...Rg7
      • 2.Sc2#
    • 1...Rg8
      • 2.Sc2#
    • 1...Rh3
      • 2.Sb1#
    • 1...Rh4
      • 2.Sb1#
    • 1...Rh5
      • 2.Sb1#
    • 1...Rh6
      • 2.Sb1#
    • 1...Rh7
      • 2.Sb1#
    • 1...Rxh8
      • 2.Sb1#
    • 1...Bg2
      • 2.Sb1#
    • 1...Se1
      • 2.Sc2#
    • 1...Sd2
      • 2.Sb1#
  • Keys
    • 1.Bc6!
      • threat
        • 2.Bxb7#
      • 1...bxc6
        • 2.b7#
      • 1...Se1
        • 2.Sc2#
      • 1...Sd2
        • 2.Sb1#
      • 1...Sh4
        • 2.Sg6#
      • 1...Sg5
        • 2.Sh7#

Anticipated by 231162(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 14
  • Sets
    • R(a);N_GUARD::R(A)+S(B)
    • R(a);N_GUARD,P_PINP(F)::R(A)+S(B)
    • R(c);N_GUARD::R(A)+S(B)
    • R(c);N_GUARD,P_PINP(F)::R(A)+S(B)
    • R(c);N_GUARD,SBLOCK,XR(I)::R(A)+S(B)
    • B(b);S_CUTR(c)::R(A)+S(B)
    • S(e);S_CUTR(a)::R(A)+S(B)
    • S(e);S_CUTR(c)::R(A)+S(B)
  • Actual
    • B(G);P_PINP(h)
    • Threat
      • B(G),XP(h)
    • Vars
      • P(h);N_SPINP(h),OGATE,XB(G)::P(D)
      • S(e);S_CUTR(a)::R(A)+S(B)
      • S(e);S_CUTR(c)::R(A)+S(B)
      • S(e);S_CUTR(c)::R(I)+S(H)
      • S(e);S_CUTR(a)::R(I)+S(H)
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