MESON Chess Problem Database

Problem Display
PID: 258802 (3r1N2/Q7/5p1b/6R1/p3Pk2/1b3P2/2np3p/q1nB3K w - - 0 1)

Anonymous

Manchester Weekly Times, 1892

(First published on Fri Dec 23 1892)

3r1N2/Q7/5p1b/6R1/p3Pk2/1b3P2/2np3p/q1nB3K

#2

7 + 11

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Rg4#
    • 1...Rd5
      • 2.Se6#
    • 1...Be6
      • 2.Sxe6#
  • Keys
    • 1.Qf2!
      • threat
        • 2.Rf5#
      • 1...Kxg5
        • 2.f4#
      • 1...Bxg5
        • 2.Sg6#
      • 1...fxg5
        • 2.Sg6#
      • 1...f5
        • 2.Rxf5#
      • 1...Qe5
        • 2.Rg4#
      • 1...Rd5
        • 2.Se6#
      • 1...Be6
        • 2.Sxe6#
      • 1...Se3
        • 2.Qg3#
      • 1...Sd4
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • Q(a);SBLOCK::R1(E)
    • R(k);S_CUTB(f)::S(G)
    • B(f);N_GUARD::S(G),XB(f)
  • Actual
    • Q(F);
    • Threat
      • R1(E)
    • Vars
      • K(h);OGATE,S_FLIGHT,XR(E)::P(C)
      • B(j);SBLOCK,XR(E)::S(G)
      • P(i);SBLOCK,XR(E)::S(G)
      • P(i);::R1(E),XP(i)
      • Q(a);SBLOCK::R1(E)
      • R(k);S_CUTB(f)::S(G)
      • B(f);N_GUARD::S(G),XB(f)
      • S(c);SBLOCK::QAB1(F)
      • S(c);N_GUARD,S_CUTR(k)::QAB(F),XP(d)
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