MESON Chess Problem Database

Problem Display
PID: 217443 (8/5P2/3Q4/6kp/8/4P2p/8/K7 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1976

8/5P2/3Q4/6kp/8/4P2p/8/K7

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Qf4#
    • 1...Kh4
      • 2.Qf4#
  • Tries
    • 1.Qf6+?
      • 1...Kg4
        • 2.Qf4#
      • 1...Kxf6!
    • 1.f8Q?
      • threat
        • 2.Qg3#
        • 2.Qff4#
      • 1...Kg4
        • 2.Qdf4#
        • 2.Qff4#
      • 1...Kh4
        • 2.Qdf4#
        • 2.Qff4#
      • 1...h4!
  • Keys
    • 1.f8S!
      • threat
        • 2.Qf4#
      • 1...Kg4
        • 2.Qf4#
      • 1...Kh4
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...h4
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(C)
    • K(b);S_FLIGHT::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT,XQ(C)
    • Try
      • P(D);
      • Threat
        • DUALS(2)
      • Refutation
        • P(c);
  • Actual
    • P(D);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);S_FLIGHT::QAR2(C)
      • P(c);SBLOCK::QAR1(C)
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