MESON Chess Problem Database

Problem Display
PID: 219831 (8/4B3/4p3/4kP2/2Q5/8/5P2/K7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1977

8/4B3/4p3/4kP2/2Q5/8/5P2/K7

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...exf5
      • 2.f4#
  • Tries
    • 1.Kb1?
      • 1...exf5
        • 2.f4#
      • 1...Kxf5!
    • 1.Ka2?
      • 1...exf5
        • 2.f4#
      • 1...Kxf5!
    • 1.Kb2?
      • 1...exf5
        • 2.f4#
      • 1...Kxf5!
  • Keys
    • 1.f3!
      • threat
        • 2.Qe4#
      • 1...Kxf5
        • 2.Qe4#
      • 1...exf5
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK,XP(D)::P(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK,XP(D)::P(B)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);SBLOCK,XP(D)::P(B)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • K(A);S_FLIGHT
      • Vars
        • P(b);SBLOCK,XP(D)::P(B)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
  • Actual
    • P(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAB1(C)
      • P(b);SBLOCK,XP(D)::P(B)
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