MESON Chess Problem Database

Problem Display
PID: 54105 (3QK3/8/bppp3P/R4NPp/2n1N1k1/R5Pp/3rr3/3BB3 w - - 0 1)

Ellerman, Arnoldo

Source?, 1932

3QK3/8/bppp3P/R4NPp/2n1N1k1/R5Pp/3rr3/3BB3

#2

11 + 10

81 Chess 1943

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Bxe2#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Qd7#
      • 1...Bc8
        • 2.Qxc8#
      • 1...Se3
        • 2.Sf6#
      • 1...Se5
        • 2.Sf2#
      • 1...h4!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Qd7#
      • 1...Rd5
        • 2.Bxe2#
      • 1...Bc8
        • 2.Qxc8#
      • 1...Se3
        • 2.Sf6#
      • 1...Se5
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::B(A),XR(b)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB(J)
      • Vars
        • B(g);N_GUARD::QAB(J),XB(g)
        • S(d);N_PINS(E)::S(E)
      • Refutation
        • P(f);
  • Actual
    • S(G);
    • Threat
      • QAB(J)
    • Vars
      • R(a);N_GUARD::B(A),XR(b)
      • B(g);N_GUARD::QAB(J),XB(g)
      • S(d);N_PINS(E)::S(E)
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