MESON Chess Problem Database

Problem Display
PID: 231267 (7Q/3R4/6p1/6p1/3P2k1/3P4/5P2/5K2 w - - 0 1)

Loveiko, Franz Kazimirovic

3rd HM., Zadachi i Etyudi, 1927

7Q/3R4/6p1/6p1/3P2k1/3P4/5P2/5K2

#2

6 + 3

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qh1?
      • 1...Kf4
        • 2.Qe4#
      • 1...Kf5!
    • 1.Qh2?
      • 1...Kf3
        • 2.Qg3#
      • 1...Kf5!
    • 1.Qh3+?
      • 1...Kf4
        • 2.Rf7#
      • 1...Kxh3!
  • Keys
    • 1.Qc8!
      • 1...Kf3
        • 2.Rf7#
      • 1...Kh3
        • 2.Rh7#
      • 1...Kf4
        • 2.Rf7#
      • 1...Kh4
        • 2.Rh7#
      • 1...Kf5
        • 2.Rf7#
      • 1...Kh5
        • 2.Rh7#

Anticipated by 4529(1871)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::R(E)
      • K(a);S_FLIGHT::QAB(F)+R(E),DCHECK
      • K(a);P-FLIGHT::R(E)
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