MESON Chess Problem Database

Problem Display
PID: 271670 (2R5/1n1N4/3k1P2/2N5/3K4/8/8/8 w - - 0 1)

Notaro, Rosario

2nd HM., Buletin Problemistic, 1977

2R5/1n1N4/3k1P2/2N5/3K4/8/8/8

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Sf8?
      • threat
        • 2.Se4#
        • 2.Sxb7#
      • 1...Sa5
        • 2.Se4#
      • 1...Sd8
        • 2.Se4#
      • 1...Sxc5!
    • 1.f7?
      • threat
        • 2.f8Q#
        • 2.f8B#
      • 1...Ke7
        • 2.f8Q#
      • 1...Sa5
        • 2.f8Q#
        • 2.f8B#
      • 1...Sd8
        • 2.f8Q#
        • 2.f8B#
      • 1...Sxc5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc4#
        • 2.Sf7#
        • 2.Rc6#
      • 1...Sxc5
        • 2.Rc6#
      • 1...Sa5
        • 2.Sf7#
      • 1...Sd8
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::S(B)
      • Refutation
        • S(b);XS(B)
    • Try
      • P(C);
      • Threat
        • P=Q
      • Vars
        • K(a);S_FLIGHT::P=Q
        • S(b);::P=Q
      • Refutation
        • S(b);XS(B)
  • Actual
    • S(D);
    • Threat
      • DUALS(3)
    • Vars
      • S(b);XS(B)::R1(E)
      • S(b);::S(D)
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