MESON Chess Problem Database

Problem Display
PID: 151792 (4N3/6Pk/5p2/5N2/7K/8/8/Q7 w - - 0 1)

Alekseev, Yuri Mikhailovich

Kudesnik, 2011

4N3/6Pk/5p2/5N2/7K/8/8/Q7

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Kg4?
      • 1...Kg6
        • 2.g8Q#
      • 1...Kg8!
    • 1.Sed6?
      • 1...Kg6
        • 2.g8Q#
      • 1...Kg8!
    • 1.Qd1?
      • 1...Kg6
        • 2.Qh5#
      • 1...Kg8!
    • 1.Qf1?
      • 1...Kg6
        • 2.g8Q#
      • 1...Kg8!
    • 1.Qa5?
      • 1...Kg6
        • 2.g8Q#
      • 1...Kg8!
    • 1.Qa7?
      • 1...Kg8
        • 2.Sxf6#
      • 1...Kg6!
  • Keys
    • 1.Qb1!
      • 1...Kg6
        • 2.g8Q#
      • 1...Kg8
        • 2.Sh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::S(E),XP(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::P=Q
      • K(b);S_FLIGHT::S(C)
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