MESON Chess Problem Database

Problem Display
PID: 78183 (8/8/8/1p2K3/1Q3NNk/5P2/8/8 w - - 0 1)

Agarkov, Anatoly Yakovlevich

Schach (Borovich), 1987

8/8/8/1p2K3/1Q3NNk/5P2/8/8

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Qe7#
  • Tries
    • 1.Qd2?
      • 1...Kg3
        • 2.Qf2#
      • 1...Kg5
        • 2.Qd8#
      • 1...b4!
    • 1.Qc5?
      • 1...Kg3
        • 2.Qf2#
      • 1...Kg5
        • 2.Qe7#
      • 1...b4!
    • 1.Qd4?
      • 1...Kg3
        • 2.Qf2#
      • 1...Kg5
        • 2.Qd8#
      • 1...b4!
  • Keys
    • 1.Ke4!
      • 1...Kg3
        • 2.Qe1#
      • 1...Kg5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • P(b);
  • Actual
    • K(E);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAB(B)
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