MESON Chess Problem Database

Problem Display
PID: 86566 (7N/8/7Q/8/3P2k1/4Pp2/5K2/8 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

Themes-64, 1995

7N/8/7Q/8/3P2k1/4Pp2/5K2/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qg6#
  • Tries
    • 1.Qf4+?
      • 1...Kh3
        • 2.Qg3#
      • 1...Kh5!
    • 1.Qg5+?
      • 1...Kh3
        • 2.Qg3#
        • 2.Qh5#
      • 1...Kxg5!
    • 1.Qg6+?
      • 1...Kh3
        • 2.Qh5#
        • 2.Qg3#
      • 1...Kh4!
  • Keys
    • 1.d5!
      • 1...Kf5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(D)
    • Try
      • Q(D);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(b);S_FLIGHT::QAR1(D)
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