MESON Chess Problem Database

Problem Display
PID: 143433 (N5R1/1k6/Rp6/1P6/1p2K3/nPp5/8/Q1n5 w - - 0 1)

Anonymous

Hackney Mercury, 1894

N5R1/1k6/Rp6/1P6/1p2K3/nPp5/8/Q1n5

#2

7 + 6

15 British Chess Magazine 1894

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Rxb6#
      • 2.Ra7#
    • 1...Sc2
      • 2.Rxb6#
      • 2.Ra7#
    • 1...Sc4
      • 2.Ra7#
    • 1...Sxb5
      • 2.Rxb6#
    • 1...c2
      • 2.Qg7#
  • Tries
    • 1.Qxc3?
      • threat
        • 2.Qg7#
        • 2.Qc6#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Sxb5
        • 2.Qc8#
      • 1...Sc4
        • 2.Qg7#
      • 1...bxc3!
  • Keys
    • 1.Kf5!
      • 1...Sxb3
        • 2.Qh1#
      • 1...Sxb5
        • 2.Rxb6#
      • 1...Sa2
        • 2.Qh1#
      • 1...Se2
        • 2.Qh1#
      • 1...Sd3
        • 2.Qh1#
      • 1...Sb1
        • 2.Rxb6#
        • 2.Ra7#
      • 1...Sc2
        • 2.Rxb6#
        • 2.Ra7#
      • 1...Sc4
        • 2.Ra7#
      • 1...c2
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);::R1(E)
    • S(b);XP(D)::R1(E),XP(e)
    • P(c);OGATE::QAR(A)
  • Tries
    • Try
      • Q(A);XP(c)
      • Threat
        • DUALS(4)
      • Vars
        • S(b);XP(D)::QAB1(A)
        • S(b);::QAR(A)
      • Refutation
        • P(d);XQ(A)
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • S(a);OGATE,XP(B)::QAB(A)
      • S(b);XP(D)::R1(E),XP(e)
      • S(a);OGATE::QAB(A)
      • S(b);::R1(E)
      • P(c);OGATE::QAR(A)
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