MESON Chess Problem Database

Problem Display
PID: 162503 (8/1k6/1P2P3/8/2K5/4B3/6R1/4Q3 w - - 0 1)

Pikhurov, Dimitry Egorovich

Sachmatija, 2003

8/1k6/1P2P3/8/2K5/4B3/6R1/4Q3

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qa5?
      • 1...Kc6
        • 2.Qd5#
      • 1...Kc8
        • 2.Qa8#
      • 1...Kb8!
  • Keys
    • 1.Qh1!
      • 1...Ka6
        • 2.Ra2#
      • 1...Kc6
        • 2.Rd2#
      • 1...Ka8
        • 2.Rg8#
      • 1...Kb8
        • 2.Rg8#
      • 1...Kc8
        • 2.Rg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::R(B)
      • K(a);S_FLIGHT::QAB(A)+R(B)
      • K(a);S_FLIGHT::QAB(A)+R(B),DCHECK
      • K(a);P-FLIGHT::R(B)
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