MESON Chess Problem Database

Problem Display
PID: 149244 (8/KQpkPr2/8/3p4/2NB4/8/2R1r3/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Kudesnik, 2013

8/KQpkPr2/8/3p4/2NB4/8/2R1r3/8

#2

6 + 5

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd5+?
      • 1...Kc8
        • 2.Sb6#
        • 2.Qd8#
      • 1...Ke8
        • 2.Qd8#
      • 1...Kxe7!
  • Keys
    • 1.Qc8+!
      • 1...Kc6
        • 2.Qe8#
      • 1...Kxe7
        • 2.Rxe2#
      • 1...Kxc8
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK,N_PINP(c),XP(b)
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • K(d);P-FLIGHT,XP(F)
  • Actual
    • Q(E);CHECK,N_PINP(c)
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::QAB(E)
      • K(d);P-FLIGHT,XP(F)::R(A),XR(a)
      • K(d);S_FLIGHT,XQ(E)::S(B)
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