MESON Chess Problem Database

Problem Display
PID: 4548 (1R6/3p4/3B4/2N1p3/4P3/2k5/pRB2K2/b7 w - - 0 1)

Meyer, Heinrich Friedrich Ludwig

Boys' Own Paper, 1879

1R6/3p4/3B4/2N1p3/4P3/2k5/pRB2K2/b7

#2

7 + 5

3360 Simple Two-move Themes 1924
14868 Pirnie Collection 2011
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4+?
      • 1...Kc4
        • 2.R2b4#
        • 2.R8b4#
      • 1...Kd4
        • 2.R2b4#
        • 2.R8b4#
      • 1...Kd2!
    • 1.Bxe5+?
      • 1...Kd2
        • 2.Sb3#
      • 1...Kc4!
  • Keys
    • 1.Rc8!
      • 1...Kxb2
        • 2.Sd3#
      • 1...Kd2
        • 2.Sb3#
      • 1...Kc4
        • 2.Se6#
      • 1...Kd4
        • 2.Sb3#
      • 1...Bxb2
        • 2.Sb3#

Anticipated by 142304(0000)

There are these versions: 30025

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);CHECK,XP(d)
      • Vars
        • K(c);S_FLIGHT::S(E)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • R(G);
    • Vars
      • K(c);S_FLIGHT,XR(A)::S(E)
      • K(c);S_FLIGHT::S(E)
      • K(c);P-FLIGHT::R(G)+S(E)
      • B(a);SBLOCK,XR(A)::R(G)+S(E)
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