MESON Chess Problem Database

Problem Display
PID: 24891 (3b2B1/3Pk3/4PR2/7n/3N1p1K/5P2/pB4Q1/rbrR4 w - - 0 1)

Locock, Charles Dealtry

Public School Magazine, 1899

3b2B1/3Pk3/4PR2/7n/3N1p1K/5P2/pB4Q1/rbrR4

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qg5#
    • 1...Rc2
      • 2.Sf5#
    • 1...Rc6
      • 2.Sxc6#
    • 1...Bc2
      • 2.Sc6#
    • 1...Bf5
      • 2.Sxf5#
  • Tries
    • 1.Ba3+?
      • 1...Kxf6
        • 2.Qg5#
      • 1...Rc5!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Sf5#
        • 2.Sc6#
      • 1...Kd6
        • 2.Sf5#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Rxd1
        • 2.Sf5#
      • 1...Rxc2
        • 2.Sf5#
      • 1...Bxc2
        • 2.Sc6#
      • 1...Sxf6
        • 2.Ba3#
      • 1...Ba5
        • 2.Sc6#
      • 1...Bb6
        • 2.Sc6#
      • 1...Bc7
        • 2.Sc6#
      • 1...Sg3
        • 2.Sc6#
      • 1...Sg7
        • 2.Sc6#

There are these versions: 141351

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • K(g);OGATEB,S_FLIGHT,XR(H)::QAB1(C)
    • R(c);S_CUTB(b)::S(E)
    • R(c);N_GUARD::S(E),XR(c)
    • B(b);S_CUTR(c)::S(E)
    • B(b);N_GUARD::S(E),XB(b)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(g);S_FLIGHT,XR(H)::QAB1(C)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • Q(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(g);P_PINR(H),S_FLIGHT::R(A)+S(E),DCHECK
      • K(g);S_FLIGHT,XR(H)::B(B)+S(E)
      • R(c);XR(A)::S(E)
      • R(c);XQ(C)::S(E)
      • B(b);XQ(C)::S(E)
      • S(f);SBLOCK,XR(H)::B(B)
      • B(h);::S(E)
      • S(f);::S(E)
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