MESON Chess Problem Database

Problem Display
PID: 106756 (B1r3rQ/bNp5/5n1q/1P1kpP2/1P1p2P1/1K1R4/5N1B/8 w - - 0 1)

Bennett, Frederick

The Field, 1954

(First published on Thu Oct 28 1954)

B1r3rQ/bNp5/5n1q/1P1kpP2/1P1p2P1/1K1R4/5N1B/8

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Qxe5#
    • 1...Sh5
      • 2.Qxe5#
    • 1...Sh7
      • 2.Qxe5#
    • 1...Se8
      • 2.Qxe5#
  • Keys
    • 1.Se4!
      • threat
        • 2.Sc3#
      • 1...Kxe4
        • 2.Sc5#
      • 1...Sxe4
        • 2.Qxe5#
      • 1...Qc1
        • 2.Sxf6#
      • 1...Qd2
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(d);OGATE::QAR1(K),XP(c)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(b);N_SPINP(a),S_FLIGHT,XS(A)::B(J)+S(I),DCHECK
      • S(d);OGATE,XS(A)::QAR1(K),XP(c)
      • Q(e);N_GUARD::S(A),XS(d)
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