MESON Chess Problem Database

Problem Display
PID: 121540 (5KN1/3p4/1P6/3Pk3/8/3R4/8/6Q1 w - - 0 1)

Henriksen, Thorleif Cammillo

Norsk Sjakkblad, 1919

5KN1/3p4/1P6/3Pk3/8/3R4/8/6Q1

#2

6 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe3+?
      • 1...Kd6
        • 2.Qe7#
      • 1...Kf5!
    • 1.Qg5+?
      • 1...Kd6
        • 2.Qe7#
      • 1...Ke4!
  • Keys
    • 1.Sh6!
      • 1...Ke4
        • 2.Qe3#
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Qg7#
      • 1...d6
        • 2.Qd4#

FEATURES

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