MESON Chess Problem Database

Problem Display
PID: 21113 (8/7p/7k/4P1RB/3pK3/3P3R/6pP/6Qb w - - 0 1)

Anderson, Gerald Frank

Natal Mercury, 1916

8/7p/7k/4P1RB/3pK3/3P3R/6pP/6Qb

#2

8 + 5

2740 Adventures of my Chessmen 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg5
      • 2.Qc1#
  • Keys
    • 1.Qc1!
      • threat
        • 2.Bd1#
        • 2.Be2#
        • 2.Bf3#
        • 2.Bg4#
        • 2.Bf7#
        • 2.Be8#
        • 2.Rxg2#
        • 2.Rgg3#
        • 2.Rg4#
        • 2.Rg6#
        • 2.Rg8#
      • 1...g1Q+
        • 2.Bf3#
      • 1...g1S+
        • 2.Rg2#
      • 1...g1B+
        • 2.Bf3#
      • 1...g1R+
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(d);OGATEB,P_SPINP(b),S_FLIGHT,XR(G)::QAB(A)
  • Actual
    • Q(A);
    • Threat
      • DUALS(11)
    • Vars
      • P(b);CHECK::R(D)+B(H)
      • P(b);CHECK::QAB(A)+R(G)
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