MESON Chess Problem Database

Problem Display
PID: 106888 (8/4p1QB/4r1N1/8/1Pp1kBP1/2Pp3N/3p4/3K4 w - - 0 1)

Moller, J?

Baltimore Sunday News, 1888

8/4p1QB/4r1N1/8/1Pp1kBP1/2Pp3N/3p4/3K4

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sh4#
  • Tries
    • 1.Sh4+?
      • 1...Rg6
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kd5!
    • 1.Qf7?
      • 1...Kd5
        • 2.Sxe7#
      • 1...Rxg6
        • 2.Sg5#
      • 1...Re5
        • 2.Sxe5#
      • 1...Ra6
        • 2.Sg5#
      • 1...Rb6
        • 2.Sg5#
      • 1...Rc6
        • 2.Sg5#
      • 1...Rd6
        • 2.Sg5#
      • 1...Rf6
        • 2.Sg5#
      • 1...Kf3!
  • Keys
    • 1.Qg8!
      • 1...Kf3
        • 2.Sh4#
      • 1...Kd5
        • 2.Sxe7#
      • 1...Rxg6
        • 2.Qa8#
      • 1...Re5
        • 2.Sxe5#
      • 1...Ra6
        • 2.Sg5#
      • 1...Rb6
        • 2.Sg5#
      • 1...Rc6
        • 2.Sg5#
      • 1...Rd6
        • 2.Sg5#
      • 1...Rf6
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(d);P_SPINR(e),S_FLIGHT::S(G),XP(f)
        • R(e);P_SPINR(e),XS(G)::S(C)
        • R(e);N_GUARD::B(I)+S(G),XR(e)
        • R(e);::S(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(d);S_FLIGHT::S(G)
      • K(d);P_SPINR(e),S_FLIGHT::S(G),XP(f)
      • R(e);N_GUARD,P_SPINR(e),XS(G)::QAB(H)
      • R(e);N_GUARD::B(I)+S(G),XR(e)
      • R(e);::S(C)
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