MESON Chess Problem Database

Problem Display
PID: 258665 (1N3QB1/1nb5/8/n2pk3/4p3/BPR5/7K/8 w - - 0 1)

Fellows, Herbert N

English Mechanic and World of Science, 1904

(First published on Fri Jan 29 1904)

1N3QB1/1nb5/8/n2pk3/4p3/BPR5/7K/8

#2

7 + 6

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb3
      • 2.Sc6#
    • 1...Sc4
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...d4
      • 2.Sd7#
  • Keys
    • 1.Bb2!
      • threat
        • 2.Rc5#
      • 1...Kd4+
        • 2.Rg3#
      • 1...Sxb3
        • 2.Sc6#
      • 1...e3
        • 2.Rxe3#
      • 1...Sc4
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sc5
        • 2.Rxc5#
      • 1...d4
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD,XP(C)::S(E)
    • S(b);N_GUARD::S(E)
    • S(b);N_GUARD::S(E),XS(b)
    • P(c);SBLOCK::S(E)
  • Actual
    • B(B);
    • Threat
      • B(B)+R(D)
    • Vars
      • K(d);CHECK,S_CUTP(c),S_FLIGHT::B(B)+R(D)
      • S(b);N_GUARD,XP(C)::S(E)
      • P(a);::B(B)+R(D),DCHECK,XP(a)
      • S(b);N_GUARD::S(E)
      • S(b);N_GUARD::S(E),XS(b)
      • S(e);::B(B)+R(D),XS(e)
      • P(c);SBLOCK::S(E)
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