MESON Chess Problem Database

Problem Display
PID: 246437 (3NQ1n1/8/3pPp1p/1N1pkP2/1P1p3n/3P4/4K3/2B5 w - - 0 1)

Onkoud, Abdelaziz

Shakhmatnaya Poeziya, 2007

3NQ1n1/8/3pPp1p/1N1pkP2/1P1p3n/3P4/4K3/2B5

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Qh5#
    • 1...Sxf5
      • 2.Sc6#
      • 2.Sf7#
  • Tries
    • 1.Sxd4?
      • threat
        • 2.S8c6#
      • 1...Kxd4
        • 2.Bb2#
      • 1...Se7!
    • 1.Qh5?
      • threat
        • 2.Sc6#
        • 2.Sf7#
      • 1...Se7
        • 2.Sf7#
      • 1...Sxf5!
  • Keys
    • 1.Sxd6!
      • threat
        • 2.S8f7#
      • 1...Kxd6
        • 2.Bf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(d);OGATEB,P-FLIGHT,XP(F)::QAR2(I)
  • Tries
    • Try
      • S(E);XP(a)
      • Threat
        • S(H)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(E)::B(A)
      • Refutation
        • S(h);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);::S(H)
      • Refutation
        • S(b);P_SPINS(b),XP(F)
  • Actual
    • S(E);XP(e)
    • Threat
      • S(H)
    • Vars
      • K(d);S_FLIGHT,XS(E)::B(A)
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