MESON Chess Problem Database

Problem Display
PID: 158981 (K7/4Q3/p7/pk6/8/8/2PN4/8 w - - 0 1)

Djurasevic, Branislav

Illustrovana Politika, 1971

K7/4Q3/p7/pk6/8/8/2PN4/8

#2

4 + 3

15526 Svi Moji Sahovski Problemi (Djurasevic) 1992
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qb7+?
      • 1...Ka4
        • 2.Qb3#
      • 1...Kc5!
  • Keys
    • 1.Se4!
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Qc5#
      • 1...Kb6
        • 2.Qc5#
        • 2.Qb7#
      • 1...Kc6
        • 2.Qb7#
      • 1...a4
        • 2.Qc5#

Anticipated by 120596(1880), 222934(1886)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::S(B)
      • K(b);S_FLIGHT::QAR1(C)
      • K(b);S_FLIGHT::QAB1(C)
      • P(a);SBLOCK::QAR1(C)
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