MESON Chess Problem Database

Problem Display
PID: 245149 (8/5p1B/3p1p2/3pkP1R/3p3p/3Pp1nN/4P1NB/6K1 w - - 0 1)

Maleika, Gerhard

Scacchi e Scienze Applicate, 2010

8/5p1B/3p1p2/3pkP1R/3p3p/3Pp1nN/4P1NB/6K1

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Shf4?
      • 1...Sxe2+
        • 2.Sxe2#
      • 1...Sxf5
        • 2.Rxf5#
      • 1...Sxh5
        • 2.Sxh5#
      • 1...Sf1
        • 2.Sg6#
      • 1...Sh1
        • 2.Sg6#
      • 1...Se4
        • 2.Sg6#
      • 1...h3!
  • Keys
    • 1.Sgf4!
      • 1...Sxe2+
        • 2.Sxe2#
      • 1...Sxf5
        • 2.Rxf5#
      • 1...Sxh5
        • 2.Sxh5#
      • 1...Sf1
        • 2.Sg6#
      • 1...Sh1
        • 2.Sg6#
      • 1...Se4
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);N_PINS(b)
      • Vars
        • S(b);CHECK,XP(B)::B(D)+S(F),XS(b)
        • S(b);OGATE,P_SPINS(b),XP(G)::R1(H),XS(b)
        • S(b);XR(H)::B(D)+S(F),XS(b)
        • S(b);::B(D)+S(F),DCHECK
      • Refutation
        • P(d);
  • Actual
    • S(C);N_PINS(b)
    • Vars
      • S(b);CHECK,XP(B)::B(D)+S(C),XS(b)
      • S(b);OGATE,P_SPINS(b),XP(G)::R1(H),XS(b)
      • S(b);XR(H)::B(D)+S(C),XS(b)
      • S(b);::B(D)+S(C),DCHECK
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