MESON Chess Problem Database

Problem Display
PID: 78982 (8/6Np/7K/8/4nkNB/5B2/6P1/8 w - - 0 1)

Reeves, Alfred Christopher

The Tablet, 1961

(First published on Sat Apr 22 1961)

8/6Np/7K/8/4nkNB/5B2/6P1/8

#2

6 + 3

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Bg5#
  • Tries
    • 1.Bg5+?
      • 1...Kg3
        • 2.Sf5#
        • 2.Sh5#
      • 1...Sxg5!
    • 1.Bf6?
      • threat
        • 2.Be5#
      • 1...Kg3
        • 2.Sh5#
      • 1...Sxf6!
    • 1.Bd8?
      • 1...Kg3
        • 2.Sh5#
      • 1...Sd2
        • 2.Bc7#
      • 1...Sf2
        • 2.Bc7#
      • 1...Sc3
        • 2.Bc7#
      • 1...Sg3
        • 2.Bg5#
        • 2.Bc7#
      • 1...Sc5
        • 2.Bc7#
      • 1...Sg5
        • 2.Bc7#
      • 1...Sf6
        • 2.Bc7#
      • 1...Sd6!
  • Keys
    • 1.Be7!
      • 1...Kg3
        • 2.Sh5#
      • 1...Sd2
        • 2.Bd6#
      • 1...Sf2
        • 2.Bd6#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sg3
        • 2.Bg5#
        • 2.Bd6#
      • 1...Sc5
        • 2.Bd6#
      • 1...Sg5
        • 2.Bd6#
      • 1...Sd6
        • 2.Bxd6#
      • 1...Sf6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD,SBLOCK::B(D)
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • S(a);XB(D)
    • Try
      • B(D);
      • Threat
        • B(D)
      • Vars
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • S(a);XB(D)
    • Try
      • B(D);
      • Vars
        • K(b);S_FLIGHT::S(F)
        • S(a);N_GUARD::B(D)
      • Refutation
        • S(a);
  • Actual
    • B(D);
    • Vars
      • K(b);S_FLIGHT::S(F)
      • S(a);N_GUARD::B(D)
      • S(a);N_GUARD::B(D),XS(a)
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