MESON Chess Problem Database

Problem Display
PID: 245344 (8/1b2B3/1p4B1/1P1pp3/KNkpr2r/1R1p4/N7/8 w - - 0 1)

Onkoud, Abdelaziz

Kudesnik, 2009

8/1b2B3/1p4B1/1P1pp3/KNkpr2r/1R1p4/N7/8

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Bxd3#
    • 1...Re2
      • 2.Bxd3#
    • 1...Ref4
      • 2.Bxd3#
    • 1...Reg4
      • 2.Bxd3#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Sa3#
        • 2.Rb4#
      • 1...d2
        • 2.Sa3#
      • 1...dxc2!
    • 1.Sxd3?
      • threat
        • 2.Sb2#
      • 1...Re2
        • 2.Rb4#
      • 1...Rh2!
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sxb6#
      • 1...Kxd5
        • 2.Bf7#
      • 1...Bxd5
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(d);OGATE::B(F),XP(a)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(D)
      • Refutation
        • P(a);XS(D)
    • Try
      • S(D);XP(a)
      • Threat
        • S(D)
      • Vars
        • R(d);::R1(B)
      • Refutation
        • R(e);
  • Actual
    • S(D);XP(f)
    • Threat
      • S(D),XP(h)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(D)::B(F)
      • B(i);SBLOCK,XS(D)::R1(B)
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