MESON Chess Problem Database

Problem Display
PID: 245454 (8/1N2k3/1P3N2/8/6QK/8/5B2/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Kudesnik, 2015

8/1N2k3/1P3N2/8/6QK/8/5B2/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sd7?
      • 1...Ke8
        • 2.Qe6#
      • 1...Kf7!
    • 1.Sh7?
      • 1...Ke8
        • 2.Qe6#
      • 1...Kf7!
    • 1.Qd7+?
      • 1...Kf8
        • 2.Bc5#
      • 1...Kxf6!
    • 1.Qg6?
      • 1...Kf8
        • 2.Bc5#
      • 1...Ke6!
  • Keys
    • 1.Sd8!
      • 1...Kd6
        • 2.Qe6#
      • 1...Kxf6
        • 2.Qg5#
      • 1...Kxd8
        • 2.Qd7#
      • 1...Kf8
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(B)
      • K(a);S_FLIGHT,XS(F)::QAR1(B)
      • K(a);S_FLIGHT::B(A)
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