MESON Chess Problem Database

Problem Display
PID: 20892 (8/2Br2pK/p1k1N1Q1/1R3Np1/3p3p/rp6/2b1BP1q/2R5 w - - 0 1)

Chandler, Guy Wills

Manchester Weekly Times, 1913-1914

8/2Br2pK/p1k1N1Q1/1R3Np1/3p3p/rp6/2b1BP1q/2R5

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc7
      • 2.Sexd4#
      • 2.Sd8#
  • Tries
    • 1.Sf4+?
      • 1...Rd6
        • 2.Qxd6#
      • 1...Kxc7!
    • 1.Bf3+?
      • 1...Rd5
        • 2.Qe8#
      • 1...Kxb5!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qa8#
      • 1...g6+
        • 2.Se7#
      • 1...Qxc7
        • 2.Sxd4#
      • 1...axb5
        • 2.Bf3#
      • 1...d3
        • 2.Sfd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • R(j);N_GUARD,P_SPINR(j)::QAR1(G),XR(j)
      • Refutation
        • K(i);P-FLIGHT,XB(H)
    • Try
      • B(B);CHECK
      • Vars
        • R(j);P_SPINR(j)::QAB(G)
      • Refutation
        • K(i);N_SPINB(a),S_FLIGHT,XR(D)
  • Actual
    • Q(G);P_PINR(j),P_SPINS(E)
    • Threat
      • QAB(G)
    • Vars
      • P(k);CHECK,N_PINS(E)::S(E)
      • Q(b);SBLOCK,XB(H)::S(F),XP(e)
      • P(h);SBLOCK,XR(D)::B(B)
      • P(e);N_PINS(E)::S(E)
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