MESON Chess Problem Database

Problem Display
PID: 109971 (8/8/5Q2/2p1N3/3k1N2/K3p3/2bp4/8 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

Sachova skladba, 1994

8/8/5Q2/2p1N3/3k1N2/K3p3/2bp4/8

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Se2#
  • Tries
    • 1.Sf3+?
      • 1...Ke4
        • 2.Sg5#
      • 1...Kc4!
    • 1.Qd6+?
      • 1...Kc3
        • 2.Se2#
        • 2.Qxc5#
      • 1...Ke4!
  • Keys
    • 1.Sf7+!
      • 1...Kc4
        • 2.Sd6#
      • 1...Ke4
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::S(B)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);P-FLIGHT::S(C)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • S(C);CHECK
    • Vars
      • K(d);P-FLIGHT::S(C)
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