MESON Chess Problem Database

Problem Display
PID: 184016 (q5n1/2Q2B2/3PPPN1/3k3r/rp5p/p2P3b/4N1p1/4Kn2 w - - 0 1)

Sparke, Arthur M

British Chess Magazine, 1915

q5n1/2Q2B2/3PPPN1/3k3r/rp5p/p2P3b/4N1p1/4Kn2

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sf4#
    • 1...Rf5
      • 2.e7#
  • Keys
    • 1.Qb6!
      • threat
        • 2.Sef4#
      • 1...Qc6
        • 2.Qd4#
      • 1...Re5
        • 2.Sf4#
      • 1...Rf5
        • 2.e7#
      • 1...b3
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(i);P_PINS(B),SBLOCK::S(G)
    • R(i);S_CUTB(d)::B(I)+P(E)
  • Actual
    • Q(H);
    • Threat
      • S(B)
    • Vars
      • Q(j);SBLOCK::QAR1(H)
      • R(i);P_PINS(B),SBLOCK::S(G)
      • R(i);S_CUTB(d)::B(I)+P(E)
      • P(f);N_GUARD::S(B)
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