MESON Chess Problem Database

Problem Display
PID: 232834 (K2Q4/1B1N1r2/3p4/B4n1N/2R3R1/3k1n2/3Pp3/6bb w - - 0 1)

Ellerman, Arnoldo

Il Due Mosse, 1952

K2Q4/1B1N1r2/3p4/B4n1N/2R3R1/3k1n2/3Pp3/6bb

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Se1
      • 2.Se5#
    • 1...Sxd2
      • 2.Rc3#
    • 1...Sh2
      • 2.Se5#
    • 1...S3h4
      • 2.Se5#
    • 1...Se5
      • 2.Sxe5#
    • 1...Sg5
      • 2.Se5#
    • 1...Se3
      • 2.Sc5#
  • Keys
    • 1.Rc1!
      • threat
        • 2.Ba6#
      • 1...Sxd2
        • 2.Rc3#
      • 1...Se1
        • 2.Se5#
      • 1...Sh2
        • 2.Se5#
      • 1...S3d4
        • 2.Sf4#
      • 1...S3h4
        • 2.Se5#
      • 1...Se5
        • 2.Sxe5#
      • 1...Sg5
        • 2.Se5#
      • 1...Se3
        • 2.Sc5#
      • 1...S5d4
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::S(G)
    • B(a);N_GUARD::S(G),XB(a)
    • S(e);N_GUARD,P_PINB(F)::S(G)
    • S(e);P_PINB(F),SBLOCK,XP(A)::R1(B)
    • S(e);N_GUARD,P_PINB(F)::S(G),XS(e)
    • S(f);S_CUTB(a)::S(G)
  • Actual
    • R(B);
    • Threat
      • B(F)
    • Vars
      • S(e);P_PINB(F),SBLOCK,XP(A)::R1(B)
      • S(e);N_GUARD,P_PINB(F)::S(G)
      • S(e);P_PINB(F),SBLOCK::S(E)
      • S(e);N_GUARD,P_PINB(F)::S(G),XS(e)
      • S(f);S_CUTB(a)::S(G)
      • S(f);SBLOCK::B(F)
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