MESON Chess Problem Database

Problem Display
PID: 68555 (r5Qr/3N1q2/5p2/1N1knP2/BP5R/P3PP2/2K3PB/8 w - - 0 1)

Taylor, I(J)ohn Odin Howard

The Chess Player's Chronicle (Staunton), 1861

r5Qr/3N1q2/5p2/1N1knP2/BP5R/P3PP2/2K3PB/8

#2

13 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Qxe6#
    • 1...Sd3
      • 2.Sc3#
      • 2.Sc7#
    • 1...Sxf3
      • 2.Sc3#
      • 2.Sc7#
    • 1...Sc4
      • 2.Sc3#
      • 2.Sc7#
    • 1...Sc6
      • 2.Sc3#
      • 2.Sc7#
      • 2.Sb6#
      • 2.Sxf6#
      • 2.Bb3#
      • 2.Qxf7#
    • 1...Sg6
      • 2.Sc3#
      • 2.Sc7#
    • 1...Sxd7
      • 2.Sc3#
      • 2.Sc7#
  • Tries
    • 1.Qxf7+?
      • 1...Sxf7
        • 2.Sc3#
        • 2.Sc7#
      • 1...Kc6!
    • 1.Qxa8+?
      • 1...Sc6
        • 2.Sc3#
        • 2.Sc7#
        • 2.Sb6#
        • 2.Bb3#
        • 2.Rd4#
      • 1...Rxa8!
    • 1.e4+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Kc6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Sb6#
        • 2.Rc5#
      • 1...Kxc4
        • 2.Sb6#
      • 1...Sxf3
        • 2.Sb6#
        • 2.Qxf7#
      • 1...Sxc4
        • 2.Sc3#
        • 2.Sc7#
      • 1...Sxd7
        • 2.Qxf7#
      • 1...Ra6
        • 2.Rc5#
      • 1...Rb8
        • 2.Rc5#
      • 1...Rc8
        • 2.Sb6#
      • 1...Sd3
        • 2.Sb6#
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • Q(d);OGATE::QAB1(M),XQ(d)
  • Tries
    • Try
      • Q(M);CHECK,XQ(d)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(M);CHECK,N_PINQ(d),XR(e)
      • Refutation
        • R(f);XQ(M)
    • Try
      • P(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(L)
      • Refutation
        • K(a);N_SPINQ(d),S_FLIGHT
  • Actual
    • R(I);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT,XR(I)::S(L)
      • S(b);N_GUARD,XS(L)::QAB(M),XQ(d)
      • R(e);::R1(I)
      • R(e);P_PINR(I)::S(L)
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