MESON Chess Problem Database

Problem Display
PID: 183540 (Q7/3B4/3B3b/2pPP2N/Kpr1kPr1/1N6/2n1PP2/8 w - - 0 1)

Sparke, Arthur M

British Chess Magazine, 1915

Q7/3B4/3B3b/2pPP2N/Kpr1kPr1/1N6/2n1PP2/8

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sxc5#
    • 1...Rxf4
      • 2.Sg3#
    • 1...Bxf4
      • 2.Sf6#
    • 1...Se3
      • 2.f3#
    • 1...Sd4
      • 2.Sd2#
  • Tries
    • 1.Bc7?
      • threat
        • 2.d6#
      • 1...Rxf4
        • 2.Sg3#
      • 1...Bxf4
        • 2.Sf6#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Se3
        • 2.f3#
      • 1...Sd4
        • 2.Sd2#
      • 1...Rg8!
  • Keys
    • 1.Bb8!
      • threat
        • 2.d6#
      • 1...Rxf4
        • 2.Sg3#
      • 1...Bxf4
        • 2.Sf6#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Se3
        • 2.f3#
      • 1...Sd4
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD,SBLOCK::S(C),XP(f)
    • R(e);N_GUARD,SBLOCK,XP(E)::S(H)
    • B(g);SBLOCK,XP(E)::S(H)
    • S(a);SBLOCK::P(B)
    • S(a);SBLOCK::S(C)
  • Tries
    • Try
      • B(I);
      • Threat
        • QAB(K)+P(F)
      • Vars
        • R(e);N_GUARD,SBLOCK,XP(E)::S(H)
        • B(g);SBLOCK,XP(E)::S(H)
        • R(c);N_GUARD,SBLOCK::S(C),XP(f)
        • S(a);SBLOCK::P(B)
        • S(a);SBLOCK::S(C)
      • Refutation
        • R(e);
  • Actual
    • B(I);
    • Threat
      • QAB(K)+P(F)
    • Vars
      • R(e);N_GUARD,SBLOCK,XP(E)::S(H)
      • B(g);SBLOCK,XP(E)::S(H)
      • R(c);N_GUARD,SBLOCK::S(C),XP(f)
      • S(a);SBLOCK::P(B)
      • S(a);SBLOCK::S(C)
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