MESON Chess Problem Database

Problem Display
PID: 235606 (5K1B/5pR1/1p3R1p/1pp5/4p2r/5p1r/2Q3p1/k5b1 w - - 0 1)

Dolginovich, Nikolai Osipovich

Mat, 1976

5K1B/5pR1/1p3R1p/1pp5/4p2r/5p1r/2Q3p1/k5b1

#2

5 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rfxf7?
      • threat
        • 2.Ra7#
      • 1...f2
        • 2.Rg3#
      • 1...e3
        • 2.Rg4#
      • 1...Rf4!
  • Keys
    • 1.Rgxf7!
      • threat
        • 2.Ra7#
      • 1...f2
        • 2.Rf3#
      • 1...e3
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);XP(l)
      • Threat
        • R(B)
      • Vars
        • P(d);S_CUTB(b)::B(E)+R(C)
        • P(f);S_CUTB(b)::B(E)+R(C)
      • Refutation
        • R(g);P_PINR(B)
  • Actual
    • R(C);XP(l)
    • Threat
      • R(C)
    • Vars
      • P(d);S_CUTB(b)::B(E)+R(B)
      • P(f);S_CUTB(b)::B(E)+R(B)
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