MESON Chess Problem Database

Problem Display
PID: 238723 (3R3K/7p/2bBpn1r/2RNp1N1/1P1k4/3rn3/q4P2/8 w - - 0 1)

Ellerman, Arnoldo

L'Italia Scacchistica, 1950

3R3K/7p/2bBpn1r/2RNp1N1/1P1k4/3rn3/q4P2/8

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Sf3#
    • 1...e4
      • 2.Sxe6#
  • Keys
    • 1.Sc3!
      • threat
        • 2.Bxe5#
      • 1...Qd5
        • 2.Se2#
      • 1...Bd5
        • 2.Sb5#
      • 1...Sed5
        • 2.Sxe6#
      • 1...Sfd5
        • 2.Sf3#
      • 1...e4
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(h);SBLOCK::S(E)
    • P(e);SBLOCK::S(E),XP(g)
  • Actual
    • S(D);
    • Threat
      • R(G)+B(F),DCHECK,XP(e)
    • Vars
      • Q(a);N_GUARD::S(D)
      • B(f);N_GUARD::S(D)
      • S(c);S_CUTQ(a)::S(E),XP(g)
      • S(h);S_CUTB(f)::S(E)
      • P(e);::R(G)+B(F),DCHECK
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