MESON Chess Problem Database

Problem Display
PID: 271253 (BbrRR2K/5Pn1/1B2pNQp/2n1k3/2b2q1r/1pP1NpP1/8/8 w - - 0 1)

Pemberton, JE

Sunday Referee, 1932

(First published on Sun Dec 25 1932)

BbrRR2K/5Pn1/1B2pNQp/2n1k3/2b2q1r/1pP1NpP1/8/8

#2

11 + 12

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Rd5#
    • 1...Be2
      • 2.Rd5#
    • 1...Bd3
      • 2.Rd5#
    • 1...Bb5
      • 2.Rd5#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Ba6
      • 2.Rd5#
    • 1...Se4
      • 2.Bd4#
  • Keys
    • 1.Se4!
      • threat
        • 2.Sxc4#
      • 1...Qxe3
        • 2.Qf6#
      • 1...Qxg3
        • 2.Qf6#
      • 1...Qxe4
        • 2.Qxg7#
      • 1...Sxe4
        • 2.Bd4#
      • 1...Bf1
        • 2.Rd5#
      • 1...Be2
        • 2.Rd5#
      • 1...Bd3
        • 2.Rd5#
      • 1...Bb5
        • 2.Rd5#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Ba6
        • 2.Rd5#
      • 1...Sd3
        • 2.Bd4#
      • 1...Sa4
        • 2.Bd4#
      • 1...Sa6
        • 2.Bd4#
      • 1...Sb7
        • 2.Bd4#
      • 1...Sd7
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::R1(I)
    • B(c);N_GUARD::R1(I),XB(c)
    • S(f);OGATE::B(D)
  • Actual
    • S(E);
    • Threat
      • S(B),XB(c)
    • Vars
      • Q(d);N_GUARD,XS(B)::QAB1(F)
      • Q(d);N_GUARD,XP(C)::QAB1(F)
      • Q(d);N_GUARD,XS(E)::QAB(F),XS(j)
      • S(f);OGATE,XS(E)::B(D)
      • B(c);N_GUARD::R1(I)
      • B(c);N_GUARD::R1(I),XB(c)
      • S(f);OGATE::B(D)
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