MESON Chess Problem Database

Problem Display
PID: 51042 (8/5p2/8/3b1k1K/B3R1N1/2N2n2/8/8 w - - 0 1)

Meyer, Heinrich Friedrich Ludwig

Burnley Express, 1879

8/5p2/8/3b1k1K/B3R1N1/2N2n2/8/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Bd7#
    • 1...Ba8
      • 2.Bd7#
    • 1...f6
      • 2.Se3#
      • 2.Sh6#
  • Tries
    • 1.Re5+?
      • 1...Kf4
        • 2.Se2#
      • 1...Sxe5!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sg3#
      • 1...Kxe4
        • 2.Bc2#
      • 1...Bxe4
        • 2.Bd7#
      • 1...Se5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::B(B)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(c);P-FLIGHT::S(A)
      • Refutation
        • S(a);XR(C)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(C)::B(B)
      • B(b);N_GUARD,SBLOCK,XR(C)::B(B)
      • S(a);N_GUARD::R1(C),XS(a)
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