MESON Chess Problem Database

Problem Display
PID: 231805 (4K3/1r1P4/2N2pB1/2Bk4/2pPN3/2p2r2/2P5/8 w - - 0 1)

Taylor, Jesse Paul

English Mechanic and World of Science, 1880

(First published on Fri Mar 26 1880)

4K3/1r1P4/2N2pB1/2Bk4/2pPN3/2p2r2/2P5/8

#2

8 + 6

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4+?
      • 1...Ke6
        • 2.d8S#
      • 1...Rxb4!
    • 1.d8Q+?
      • 1...Ke6
        • 2.Qd6#
        • 2.d5#
      • 1...Rd7
        • 2.Qxd7#
      • 1...Kxc6!
    • 1.d8S?
      • 1...Re7+
        • 2.Sxe7#
      • 1...Rf5
        • 2.Sxc3#
      • 1...f5
        • 2.Sf6#
      • 1...Rf1
        • 2.Sxc3#
      • 1...Rf2
        • 2.Sxc3#
      • 1...Rd3
        • 2.Sxf6#
      • 1...Rg3
        • 2.Sxf6#
      • 1...Rh3
        • 2.Sxf6#
      • 1...Rf4
        • 2.Sxc3#
      • 1...Rb1
        • 2.Se7#
      • 1...Rb2
        • 2.Se7#
      • 1...Rb3
        • 2.Se7#
      • 1...Rb4
        • 2.Sxb4#
        • 2.Se7#
      • 1...Rb5
        • 2.Se7#
      • 1...Rb6
        • 2.Se7#
      • 1...Ra7
        • 2.Sb4#
      • 1...Rc7
        • 2.Sb4#
      • 1...Rd7
        • 2.Sb4#
      • 1...Rf7
        • 2.Sb4#
      • 1...Rg7
        • 2.Sb4#
      • 1...Rh7
        • 2.Sb4#
      • 1...Rb8
        • 2.Se7#
      • 1...Re3!
  • Keys
    • 1.Se7+!
      • 1...Ke6
        • 2.Bf7#
        • 2.d8S#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);S_FLIGHT::P=S
      • Refutation
        • R(f);XS(E)
    • Try
      • P(G);CHECK
      • Vars
        • R(f);N_GUARD,P_SPINR(f)::QAR2(G),XR(f)
      • Refutation
        • K(d);S_FLIGHT,XS(E)
    • Try
      • P(G);
      • Vars
        • R(f);CHECK,N_GUARD::S(E),XR(f)
        • R(b);N_GUARD::S(C),XP(a)
        • P(e);S_CUTR(b)::S(C)
        • R(b);N_GUARD::S(C),XP(e)
        • R(f);N_GUARD::S(E)
        • R(f);N_GUARD,P_PINS(G)::S(E)
      • Refutation
        • R(b);P_PINS(C)
  • Actual
    • S(E);CHECK
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