MESON Chess Problem Database

Problem Display
PID: 166809 (8/1B2p3/4P1pK/2B3Pp/7P/4N1kP/1Q6/8 w - - 0 1)

Popovski, Aleksandr

Sachmatija, 2010

8/1B2p3/4P1pK/2B3Pp/7P/4N1kP/1Q6/8

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qh2#
  • Tries
    • 1.Qg2+?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kxh4!
    • 1.Qh2+?
      • 1...Kxh4
        • 2.Sg2#
      • 1...Kxh2!
  • Keys
    • 1.Bg2!
      • 1...Kh2
        • 2.Sf1#
      • 1...Kf4
        • 2.Qb8#
      • 1...Kxh4
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(D)::S(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • B(I);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT::QAB(A)
      • K(a);S_FLIGHT,XP(D)::QAB(A)
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