MESON Chess Problem Database

Problem Display
PID: 274538 (N2R2bQ/5pr1/1R4p1/2kB2p1/8/2bK4/8/5n2 w - - 0 1)

Petrovici, Valeriu

2nd HM., Buletin Problemistic TT, 1984

N2R2bQ/5pr1/1R4p1/2kB2p1/8/2bK4/8/5n2

#2

6 + 8

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rh7
      • 2.Qxc3#
    • 1...Bh7
      • 2.Qf8#
  • Tries
    • 1.Be6?
      • threat
        • 2.Rd5#
        • 2.Rc8#
      • 1...f5
        • 2.Rd5#
      • 1...Be5
        • 2.Rd5#
      • 1...Se3
        • 2.Rc8#
      • 1...f6
        • 2.Rd5#
      • 1...fxe6!
  • Keys
    • 1.Bxf7!
      • threat
        • 2.Rd5#
        • 2.Rc8#
      • 1...Rxf7
        • 2.Qxc3#
      • 1...Bxf7
        • 2.Qf8#
      • 1...Be5
        • 2.Rd5#
      • 1...Se3
        • 2.Rc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(g);OGATE::QAR2(F),XB(b)
    • B(h);OGATE::QAB(F)
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);::R1(E)
        • B(b);::R1(E)
        • S(a);::R(E)
      • Refutation
        • P(f);XB(B)
  • Actual
    • B(B);XP(f)
    • Threat
      • DUALS(2)
    • Vars
      • R(g);OGATE,XB(B)::QAR2(F),XB(b)
      • B(h);OGATE,XB(B)::QAB(F)
      • B(b);::R1(E)
      • S(a);::R(E)
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