MESON Chess Problem Database

Problem Display
PID: 251666 (1qN1n3/2Q4b/2Bb4/pRBn1pp1/5kr1/Kp5P/4R2P/4N3 w - - 0 1)

Seilberger, Johann Joseph Petrus Adrianus

Jerusalem Post, 1952

(First published on Fri Aug 8 1952)

1qN1n3/2Q4b/2Bb4/pRBn1pp1/5kr1/Kp5P/4R2P/4N3

#2

10 + 11

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sd3#
    • 1...Se3
      • 2.Sd3#
    • 1...Sb4
      • 2.Be3#
    • 1...Sb6
      • 2.Sd3#
    • 1...Sdf6
      • 2.Sd3#
    • 1...Sdxc7
      • 2.Sd3#
    • 1...Se7
      • 2.Sd3#
    • 1...Sef6
      • 2.Bxd6#
    • 1...Sexc7
      • 2.Bxd6#
    • 1...Sg7
      • 2.Bxd6#
  • Keys
    • 1.Se7!
      • threat
        • 2.Sxd5#
      • 1...Sdxc7
        • 2.Sd3#
      • 1...Sxe7
        • 2.Sd3#
      • 1...Sexc7
        • 2.Bxd6#
      • 1...Se3
        • 2.Sd3#
      • 1...Bg8
        • 2.Sg6#
      • 1...Sc3
        • 2.Sd3#
      • 1...Sb4
        • 2.Be3#
      • 1...Sb6
        • 2.Sd3#
      • 1...Sdf6
        • 2.Sd3#
      • 1...Sef6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(e);::S(A)
    • S(e);N_PINB(G)::B(G)
    • S(e);N_SPINB(h),XQ(I)::S(A)
    • S(k);N_GUARD::B(G),XB(h)
    • S(k);N_GUARD,N_SPINB(h),XQ(I)::B(G),XB(h)
  • Actual
    • S(J);
    • Threat
      • S(J),XS(e)
    • Vars
      • S(e);N_SPINB(h),XQ(I)::S(A)
      • S(e);XS(J)::S(A)
      • S(k);N_GUARD,N_SPINB(h),XQ(I)::B(G),XB(h)
      • S(e);::S(A)
      • B(i);N_GUARD::S(J)
      • S(e);N_PINB(G)::B(G)
      • S(k);N_GUARD::B(G),XB(h)
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