MESON Chess Problem Database

Problem Display
PID: 18118 (3b4/7K/8/8/8/3Q1P1k/4N1b1/8 w - - 0 1)

Mikan, Ilja

Straz lidu, 1953

3b4/7K/8/8/8/3Q1P1k/4N1b1/8

#2

4 + 3

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Qd7+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qg3#
      • 1...Kh4
        • 2.Qh6#
      • 1...Bh4
        • 2.Sg1#
      • 1...Bc7
        • 2.Qh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(b);P-FLIGHT::QAR2(B)
      • B(c);SBLOCK::S(A)
      • B(c);N_GUARD::QAR(B)
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