MESON Chess Problem Database

Problem Display
PID: 258559 (n2KN3/2p1p2B/R7/P2k4/P2p2P1/1P1N4/8/8 w - - 0 1)

Murarasu, Ion

Buletin Problemistic, 1987

n2KN3/2p1p2B/R7/P2k4/P2p2P1/1P1N4/8/8

#2

9 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sf6#
    • 1...e6
      • 2.Sf6#
  • Tries
    • 1.Bg8+?
      • 1...e6
        • 2.Sf6#
      • 1...Ke4!
    • 1.Rc6?
      • 1...Kxc6
        • 2.Be4#
      • 1...e5
        • 2.Sb4#
      • 1...e6
        • 2.Rc5#
      • 1...Sb6!
  • Keys
    • 1.Re6!
      • 1...Kxe6
        • 2.Bg8#
      • 1...c5
        • 2.Sf4#
      • 1...Sb6
        • 2.Sxc7#
      • 1...c6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • P(d);N_GUARD::S(I)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • P(d);P_SPINP(d)::S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XR(F)::B(G)
        • P(d);SBLOCK::S(B)
        • P(d);SBLOCK::R1(F)
      • Refutation
        • S(e);
  • Actual
    • R(F);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(F)::B(G)
      • P(c);SBLOCK::S(B)
      • S(e);N_GUARD::S(I),XP(c)
      • P(c);SBLOCK::R1(F)
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