MESON Chess Problem Database

Problem Display
PID: 189974 (8/2p5/2P5/K2k1N2/3B4/5N2/4P3/3R3Q w - - 0 1)

Tesar, Alois

Delnicke listy, 1913

8/2p5/2P5/K2k1N2/3B4/5N2/4P3/3R3Q

#2

8 + 2

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sd2#
    • 1...Kxc6
      • 2.Se5#
  • Tries
    • 1.Qh6?
      • 1...Kc4
        • 2.Qe6#
      • 1...Ke4!
  • Keys
    • 1.Rf1!
      • 1...Kc4
        • 2.Sd2#
      • 1...Ke4
        • 2.Se1#
        • 2.Sg1#
        • 2.Sd2#
        • 2.Sh2#
        • 2.S3h4#
        • 2.Se5#
        • 2.Sg5#
      • 1...Kxc6
        • 2.Se5#
      • 1...Ke6
        • 2.Sg5#

FEATURES

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