MESON Chess Problem Database

Problem Display
PID: 250470 (2N5/1nP4N/2PPk2K/5p2/5P2/6n1/4p1Q1/8 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Uralski Problemist, 2009

2N5/1nP4N/2PPk2K/5p2/5P2/6n1/4p1Q1/8

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Qg8#
    • 1...Sh1
      • 2.Qg8#
    • 1...Se4
      • 2.Qg8#
    • 1...Sh5
      • 2.Qg8#
    • 1...Sd8
      • 2.cxd8S#
    • 1...e1Q
      • 2.Qa2#
    • 1...e1S
      • 2.Qa2#
    • 1...e1B
      • 2.Qa2#
    • 1...e1R
      • 2.Qa2#
  • Keys
    • 1.d7!
      • 1...Kf7
        • 2.Qd5#
      • 1...Se4
        • 2.Qg8#
      • 1...e1Q
        • 2.Qa2#
      • 1...e1S
        • 2.Qa2#
      • 1...e1B
        • 2.Qa2#
      • 1...e1R
        • 2.Qa2#
      • 1...Sf1
        • 2.Qg8#
      • 1...Sh1
        • 2.Qg8#
      • 1...Sh5
        • 2.Qg8#
      • 1...Sa5
        • 2.d8S#
      • 1...Sc5
        • 2.d8S#
      • 1...Sd6
        • 2.d8S#
      • 1...Sd8
        • 2.cxd8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::QAB(A)
    • S(e);OGATE::PXS(e)=S
    • P(a);OGATE::QAB(A)
  • Actual
    • P(D);
    • Vars
      • K(d);N_GUARD,S_FLIGHT::QAB(A)
      • S(b);OGATE::QAB(A)
      • P(a);OGATE::QAB(A)
      • S(e);N_GUARD::P=S
      • S(e);OGATE::PXS(e)=S
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