MESON Chess Problem Database

Problem Display
PID: 255189 (1n2Q3/b3Bp2/r1R5/3k1p2/3p1K2/3P4/8/8 w - - 0 1)

Houghton, RW

Manchester Weekly Times, 1892

(First published on Fri Mar 25 1892)

1n2Q3/b3Bp2/r1R5/3k1p2/3p1K2/3P4/8/8

#2

5 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc6
      • 2.Qd7#
      • 2.Qxf7#
    • 1...Sd7
      • 2.Qxd7#
  • Tries
    • 1.Rc5+?
      • 1...Ke6
        • 2.Re5#
      • 1...Bxc5!
    • 1.Rxa6?
      • threat
        • 2.Qxf7#
      • 1...Sxa6
        • 2.Qd7#
      • 1...f6
        • 2.Qf7#
        • 2.Qg8#
      • 1...Bb6!
    • 1.Qd8+?
      • 1...Sd7
        • 2.Qxd7#
      • 1...Kxc6!
  • Keys
    • 1.Qc8!
      • 1...Rxc6
        • 2.Qxf5#
      • 1...Sxc6
        • 2.Qd7#
      • 1...Rb6
        • 2.Rc5#
      • 1...Ra1
        • 2.Rd6#
      • 1...Ra2
        • 2.Rd6#
      • 1...Ra3
        • 2.Rd6#
      • 1...Ra4
        • 2.Rd6#
      • 1...Ra5
        • 2.Rd6#
      • 1...Bc5
        • 2.Rxc5#
      • 1...Bb6
        • 2.Rd6#
      • 1...Sd7
        • 2.Qxd7#
      • 1...f6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • S(g);N_GUARD::QAR2(E),XS(g)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::R1(C)
      • Refutation
        • B(e);XR(C)
    • Try
      • R(C);XR(d)
      • Threat
        • QAB(E),XP(f)
      • Vars
        • S(g);N_GUARD,XR(C)::QAR2(E)
      • Refutation
        • B(e);
    • Try
      • Q(E);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAR2(E),XS(g)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • Q(E);
    • Vars
      • R(d);SBLOCK,XR(C)::QAR2(E),XP(c)
      • S(g);N_GUARD,XR(C)::QAR2(E)
      • R(d);S_CUTB(e)::R1(C)
      • R(d);N_GUARD::R1(C)
      • B(e);N_GUARD::R1(C),XB(e)
      • B(e);S_CUTR(d)::R1(C)
      • S(g);N_GUARD::QAR2(E),XS(g)
      • P(f);N_GUARD::QAB1(E)
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