MESON Chess Problem Database

Problem Display
PID: 196217 (3B1N2/6R1/5p1k/2K4N/8/5p2/7n/3B1R2 w - - 0 1)

Bylevski, Aleksandr

Bylevski, Boris

Sachova skladba, 1996

3B1N2/6R1/5p1k/2K4N/8/5p2/7n/3B1R2

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Rg6#
    • 1...f5
      • 2.Rh7#
  • Tries
    • 1.Rfg1?
      • threat
        • 2.Rh7#
      • 1...Kxh5
        • 2.Rh7#
      • 1...Sg4!
  • Keys
    • 1.Rh1!
      • 1...Kxh5
        • 2.Rxh2#
      • 1...Sf1
        • 2.Rg6#
      • 1...Sg4
        • 2.Rg6#
      • 1...f2
        • 2.Rg6#
      • 1...f5
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);::R1(E)
    • P(c);::R1(E)
  • Tries
    • Try
      • R(B);
      • Threat
        • R1(E)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(b),XS(D)::R(E)
      • Refutation
        • S(a);
  • Actual
    • R(B);
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINP(b),P_SPINS(a),XS(D)::R(B),XS(a)
      • S(a);::R1(E)
      • P(b);::R1(E)
      • P(c);::R1(E)
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