MESON Chess Problem Database

Problem Display
PID: 171256 (4Q3/3BPp2/5P2/3PR1Pp/2N1Pk1r/2P4p/5KbP/6R1 w - - 0 1)

Archakov, Vladimir Mikhailovich

Shakhmatnaya kompozitsiya, 1999

4Q3/3BPp2/5P2/3PR1Pp/2N1Pk1r/2P4p/5KbP/6R1

#2

13 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • 1...Bxe4
        • 2.Rxe4#
      • 1...Rg4
        • 2.Rf5#
      • 1...Bf1
        • 2.Rf5#
      • 1...Bh1
        • 2.Rf5#
      • 1...Bf3
        • 2.Rf5#
      • 1...Kxe5!
    • 1.Rf5+?
      • 1...Kg4
        • 2.Se3#
        • 2.Se5#
      • 1...Kxe4!
    • 1.Qb8?
      • 1...Bxe4
        • 2.Rf5#
      • 1...Bf1
        • 2.Re6#
      • 1...Bh1
        • 2.Re6#
      • 1...Bf3
        • 2.Re6#
      • 1...Rg4!
  • Keys
    • 1.Sd2!
      • 1...Kxe5
        • 2.Qb8#
      • 1...Bxe4
        • 2.Rxe4#
      • 1...Rg4
        • 2.Rf5#
      • 1...Bf1
        • 2.Rf5#
      • 1...Bh1
        • 2.Rf5#
      • 1...Bf3
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • B(a);OGATE,XP(F)::R1(H),XB(a)
        • R(d);SBLOCK::R1(H)
        • B(a);::R1(H)
      • Refutation
        • K(c);S_FLIGHT,XR(H)
    • Try
      • R(H);CHECK
      • Refutation
        • K(c);P-FLIGHT,XP(F)
    • Try
      • Q(M);
      • Vars
        • B(a);SBLOCK,XP(F)::QAB(M)+R(H),DCHECK
        • B(a);::QAB(M)+R(H)
      • Refutation
        • R(d);
  • Actual
    • S(E);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(H)::QAB(M)
      • B(a);OGATE,XP(F)::R1(H),XB(a)
      • R(d);SBLOCK::R1(H)
      • B(a);::R1(H)
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