MESON Chess Problem Database

Problem Display
PID: 49728 (2R5/1K6/2N5/N1k5/P5n1/2p5/5r2/3R2B1 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Landeszeitung fur die Luneburger Heide, 2002

2R5/1K6/2N5/N1k5/P5n1/2p5/5r2/3R2B1

#2

7 + 4

6112 Problemschach-Jahrbuch (2002) 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Sh2
      • 2.Bxf2#
    • 1...Se5
      • 2.Bxf2#
    • 1...Sf6
      • 2.Bxf2#
    • 1...Sh6
      • 2.Bxf2#
  • Tries
    • 1.Bxf2+?
      • 1...Se3
        • 2.Bxe3#
      • 1...Sxf2!
    • 1.Rcd8?
      • threat
        • 2.R1d5#
        • 2.R8d5#
      • 1...Sf6
        • 2.Bxf2#
      • 1...Se3!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Sb3#
      • 1...Rb2+
        • 2.Sb4#
      • 1...Rf7+
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(c);N_GUARD::B(B),XR(a)
  • Tries
    • Try
      • B(B);CHECK,XR(a)
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::B(B),XS(c)
      • Refutation
        • S(c);XB(B)
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD::B(B),XR(a)
      • Refutation
        • S(c);N_SPINR(a)
  • Actual
    • R(A);N_PINR(a)
    • Threat
      • S(D)
    • Vars
      • R(a);CHECK::R(G)+S(E)
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