MESON Chess Problem Database

Problem Display
PID: 216175 (8/8/8/8/5K2/3p1p2/4k3/2R2N1N w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1974

8/8/8/8/5K2/3p1p2/4k3/2R2N1N

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f2
      • 2.Shg3#
  • Tries
    • 1.Kg4?
      • 1...f2
        • 2.Shg3#
      • 1...d2!
    • 1.Ra1?
      • 1...f2
        • 2.Shg3#
      • 1...d2!
    • 1.Rb1?
      • 1...f2
        • 2.Shg3#
      • 1...d2!
  • Keys
    • 1.Ke4!
      • 1...d2
        • 2.Sfg3#
      • 1...f2
        • 2.Shg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::S(C)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(c);SBLOCK::S(C)
      • Refutation
        • P(b);
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK::S(C)
      • Refutation
        • P(b);
    • Try
      • R(A);
      • Vars
        • P(c);SBLOCK::S(C)
      • Refutation
        • P(b);
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • P(b);SBLOCK::S(B)
      • P(c);SBLOCK::S(C)
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