MESON Chess Problem Database

Problem Display
PID: 163796 (8/8/5NR1/5k1P/7K/6n1/7B/4R3 w - - 0 1)

von Alvensleben, Wichard Udo Reinhard

Landeszeitung fur die Luneburger Heide, 1996

(First published on Mon Sep 2 1996)

8/8/5NR1/5k1P/7K/6n1/7B/4R3

#2

6 + 2

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Re5#
    • 1...Sh1
      • 2.Re5#
  • Tries
    • 1.Sg4?
      • threat
        • 2.Rf6#
      • 1...Kf4
        • 2.Rf6#
      • 1...Sxh5
        • 2.Rg5#
      • 1...Se4
        • 2.Se3#
        • 2.Sh6#
      • 1...Se2!
    • 1.Sd5?
      • threat
        • 2.Rg5#
        • 2.Rf6#
      • 1...Sxh5
        • 2.Se7#
        • 2.Rg5#
      • 1...Se4
        • 2.Se3#
        • 2.Se7#
      • 1...Se2!
    • 1.Sg8?
      • threat
        • 2.Rf6#
      • 1...Kf4
        • 2.Rf6#
      • 1...Sxh5
        • 2.Se7#
        • 2.Rg5#
      • 1...Se4
        • 2.Sh6#
        • 2.Se7#
      • 1...Se2!
  • Keys
    • 1.Se8!
      • threat
        • 2.Rf6#
      • 1...Kf4
        • 2.Rf6#
      • 1...Sxh5
        • 2.Rg5#
      • 1...Se2
        • 2.Sd6#
      • 1...Se4
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(a);::R1(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • R1(F)
      • Vars
        • K(b);P-FLIGHT,P_SPINS(a)::R(F)
        • S(a);XP(D)::R1(F)
      • Refutation
        • S(a);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);
    • Try
      • S(E);
      • Threat
        • R1(F)
      • Vars
        • K(b);P-FLIGHT,P_SPINS(a)::R(F)
      • Refutation
        • S(a);
  • Actual
    • S(E);
    • Threat
      • R1(F)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(a)::R(F)
      • S(a);XP(D)::R1(F)
      • S(a);::S(E)
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