MESON Chess Problem Database

Problem Display
PID: 24 (1n3N2/1pB2P2/pPk1B1R1/4p2r/P2p3r/KN2P1b1/2b2pq1/n1QR4 w - - 0 1)

Anderson, Gerald Frank

3rd HM., Bristol Times, 1930

1n3N2/1pB2P2/pPk1B1R1/4p2r/P2p3r/KN2P1b1/2b2pq1/n1QR4

#2

12 + 13

5383 A Tribute to G F Anderson 1974

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Bd7#
    • 1...Re4
      • 2.Bc4#
    • 1...dxe3
      • 2.Bh3#
      • 2.Bg4#
      • 2.Bd5#
      • 2.Bf5#
      • 2.Bd7#
      • 2.Bc8#
      • 2.Rd6#
    • 1...d3
      • 2.Bc4#
  • Keys
    • 1.Kb4!
      • threat
        • 2.Sa5#
      • 1...dxe3+
        • 2.Bg4#
      • 1...d3+
        • 2.Bc4#
      • 1...a5+
        • 2.Sxa5#
      • 1...Sxb3
        • 2.Bxb3#
      • 1...Qd5
        • 2.Bd7#
      • 1...e4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(d);SBLOCK::R(I)+B(H),DCHECK
    • R(g);::R(I)+B(H)
    • P(f);::R(I)+B(H)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • S(D)
    • Vars
      • P(f);CHECK,XP(E)::R(I)+B(H)
      • P(f);CHECK::R(I)+B(H)
      • P(j);CHECK::S(D),XP(j)
      • S(a);OGATE,XS(D)::R(I)+B(H),XS(a)
      • Q(d);SBLOCK::R(I)+B(H),DCHECK
      • P(h);N_GUARD,S_CUTR(g)::S(D),XP(f)
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