MESON Chess Problem Database

Problem Display
PID: 248105 (b7/N7/5p2/2Bk1p2/3P1b2/1R6/4Q3/7K w - - 0 1)

Blikeng, Bjarne

Sjakk-Liv Festkrift, 1946

b7/N7/5p2/2Bk1p2/3P1b2/1R6/4Q3/7K

#2

6 + 5

15601 Albrecht-Leiss-Degener Collection 2021
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3+?
      • 1...Kc4
        • 2.Rc3#
        • 2.Rb4#
      • 1...Ke6!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Re3#
      • 1...Kc4+
        • 2.Rf3#
      • 1...Ke6+
        • 2.Rb7#
      • 1...Ke4
        • 2.Qg2#
      • 1...Be3
        • 2.Rxe3#

Anticipated by 115679(1929-1930)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);P_PINQ(B),S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB(B)+R(C)
    • Vars
      • K(b);CHECK,S_FLIGHT::QAB(B)+R(C)
      • K(b);S_FLIGHT::QAB(B)
      • B(a);::QAB(B)+R(C),XB(a)
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