MESON Chess Problem Database

Problem Display
PID: 4823 (2Kb1N2/5n2/1p3n1R/1P1k4/3p2P1/Qp1B4/b6B/8 w - - 0 1)

Blake, Percy Francis

Bury Guardian, 1892

2Kb1N2/5n2/1p3n1R/1P1k4/3p2P1/Qp1B4/b6B/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Qd6#
    • 1...Sd6+
      • 2.Qxd6#
    • 1...Sxh6
      • 2.Qd6#
    • 1...Sh8
      • 2.Qd6#
  • Tries
    • 1.Rh5+?
      • 1...Se5
        • 2.Rxe5#
      • 1...Sg5
        • 2.Rxg5#
        • 2.Qd6#
      • 1...Sxh5!
    • 1.Qxb3+?
      • 1...Kc5
        • 2.Se6#
      • 1...Bxb3!
  • Keys
    • 1.Se6!
      • 1...Sd6+
        • 2.Qxd6#
      • 1...Kxe6
        • 2.Bc4#
      • 1...Sxg4
        • 2.Qa8#
      • 1...Sxh6
        • 2.Qd6#
      • 1...Bb1
        • 2.Qxb3#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Be7
        • 2.Sc7#
      • 1...Se4
        • 2.Qa8#
      • 1...Sh5
        • 2.Qa8#
      • 1...Sd7
        • 2.Qa8#
      • 1...Sh7
        • 2.Qa8#
      • 1...Se8
        • 2.Qa8#
      • 1...Sg8
        • 2.Qa8#
      • 1...Se5
        • 2.Sf4#
      • 1...Sg5
        • 2.Qd6#
      • 1...Sh8
        • 2.Qd6#
      • 1...b2
        • 2.Qxa2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::QAR1(B)
    • S(g);CHECK,N_GUARD::QAR1(B),XS(g)
    • S(g);N_GUARD,XR(F)::QAR1(B)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::R1(F),XS(g)
      • Refutation
        • S(f);XR(F)
    • Try
      • Q(B);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT::S(H)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • S(H);
    • Vars
      • S(g);CHECK,N_GUARD::QAR1(B),XS(g)
      • K(d);P_SPINS(f),S_FLIGHT,XS(H)::B(C)
      • S(f);XP(D)::QAB(B)
      • S(g);N_GUARD,XR(F)::QAR1(B)
      • B(a);N_GUARD::QAB(B),XP(b)
      • B(h);N_GUARD::S(H),XB(h)
      • B(h);N_GUARD::S(H)
      • S(f);::QAB(B)
      • S(g);SBLOCK::S(H)
      • S(g);N_GUARD::QAR1(B)
      • P(b);OGATEB::QAB(B),XB(a)
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Developed and maintained by Brian Stephenson.
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