MESON Chess Problem Database

Problem Display
PID: 218762 (4B3/p7/1p6/8/1kp5/4Q3/8/K7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1976

4B3/p7/1p6/8/1kp5/4Q3/8/K7

#2

3 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qa3#
  • Tries
    • 1.Ka2?
      • threat
        • 2.Qa3#
      • 1...Ka5
        • 2.Qa3#
      • 1...c3!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Qa3#
      • 1...c3+
        • 2.Qxc3#
      • 1...Ka5
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • P(b);
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAB1(B)
    • Vars
      • P(b);CHECK::QAB1(B),XP(b)
      • K(a);S_FLIGHT::QAR2(B)
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