MESON Chess Problem Database

Problem Display
PID: 218770 (2n5/8/8/1R2N3/3Nkp2/8/K7/4b1Q1 w - - 0 1)

Uhler, Ekkehard

Badische Neueste Nachrichten, 1984

2n5/8/8/1R2N3/3Nkp2/8/K7/4b1Q1

#2

5 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qg6+?
      • 1...Kxd4
        • 2.Qd3#
      • 1...Ke3!
  • Keys
    • 1.Sf5!
      • 1...Kxf5
        • 2.Qg6#
      • 1...f3
        • 2.Qg4#
      • 1...Bd2
        • 2.Qb1#
      • 1...Bf2
        • 2.Qb1#
      • 1...Bc3
        • 2.Qb1#
      • 1...Bg3
        • 2.Qb1#
      • 1...Bb4
        • 2.Qb1#
      • 1...Bh4
        • 2.Qb1#
      • 1...Ba5
        • 2.Qb1#
      • 1...Sb6
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Se7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT,XS(C)::QAR1(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(C)::QAB1(A)
      • P(c);OGATEB::QAR2(A)
      • B(a);OGATE::QAB(A)
      • S(d);N_GUARD::S(C)
      • S(d);N_GUARD::S(C),XS(d)
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