MESON Chess Problem Database

Problem Display
PID: 199773 (8/3p3N/6K1/P1Bk4/2NP4/1R6/Q2RP1P1/5B2 w - - 0 1)

Filatov, Viktor G

Sachova skladba, 1987

8/3p3N/6K1/P1Bk4/2NP4/1R6/Q2RP1P1/5B2

#2

12 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.e4#
    • 1...Ke6
      • 2.d5#
  • Tries
    • 1.Se5?
      • threat
        • 2.Re3#
      • 1...Ke6
        • 2.Rb6#
      • 1...Ke4!
    • 1.Sd6?
      • threat
        • 2.Rb6#
      • 1...Ke6
        • 2.Re3#
      • 1...Kc6!
    • 1.Sf6+?
      • 1...Kxc4
        • 2.Rc2#
        • 2.Qc2#
        • 2.Qa4#
        • 2.e3#
        • 2.e4#
      • 1...Ke6
        • 2.Re3#
        • 2.d5#
      • 1...Kc6!
    • 1.Rb6?
      • threat
        • 2.Sd6#
        • 2.Sf6#
      • 1...d6
        • 2.Sxd6#
      • 1...Ke4!
  • Keys
    • 1.Bd6!
      • 1...Kxc4
        • 2.e4#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.d5#
      • 1...Ke6
        • 2.d5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XS(G)::B(A)+P(D)
    • K(a);OGATE,S_FLIGHT::P(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB(B)+R(F)
      • Vars
        • K(a);S_FLIGHT::QAB(B)+R(F),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);
      • Threat
        • QAB(B)+R(F)
      • Vars
        • K(a);S_FLIGHT::QAB(B)+R(F),DCHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(L);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAB(B)+S(G),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(J);
    • Vars
      • K(a);S_FLIGHT,XS(G)::B(A)+P(D)
      • K(a);S_FLIGHT::S(L)
      • K(a);OGATE,S_FLIGHT::P(H)
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