MESON Chess Problem Database

Problem Display
PID: 225611 (1rb3QK/5pP1/B2B3n/1nNP4/3k1Pp1/2pPN3/1P6/4R3 w - - 0 1)

Marysko, Milos

Praca, 1947

1rb3QK/5pP1/B2B3n/1nNP4/3k1Pp1/2pPN3/1P6/4R3

#2

12 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Sc2#
    • 1...f6
      • 2.Sc2#
  • Tries
    • 1.Qf8?
      • threat
        • 2.Be5#
      • 1...f6
        • 2.Qxf6#
      • 1...Sxd6!
  • Keys
    • 1.b4!
      • threat
        • 2.Be5#
      • 1...Sxd6
        • 2.Sb3#
      • 1...f6
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(f);::S(D)
  • Tries
    • Try
      • Q(K);
      • Threat
        • B(I)
      • Vars
        • P(f);OGATE::QAB(K),XP(f)
      • Refutation
        • S(d);XB(I)
  • Actual
    • P(B);
    • Threat
      • B(I)
    • Vars
      • S(d);XB(I)::S(F)
      • P(f);::S(D)
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