MESON Chess Problem Database

Problem Display
PID: 46474 (k7/2K5/PP6/3bn3/8/2Q5/8/8 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

HM., Smena, 1992

k7/2K5/PP6/3bn3/8/2Q5/8/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
145 StrateGems 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.axb7#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qf8#
      • 1...Be6
        • 2.b7#
      • 1...Bb7
        • 2.axb7#
      • 1...Bf7
        • 2.b7#
      • 1...Sc6
        • 2.b7#
      • 1...Sg6
        • 2.Qxd5#
      • 1...Sd7
        • 2.Qxd5#
      • 1...Sf7
        • 2.Qxd5#
      • 1...Bc6!
  • Keys
    • 1.Qd4!
      • 1...Bh1
        • 2.Qd8#
      • 1...Ba2
        • 2.Qd8#
        • 2.b7#
      • 1...Bg2
        • 2.Qd8#
      • 1...Bb3
        • 2.Qd8#
        • 2.b7#
      • 1...Bf3
        • 2.Qd8#
      • 1...Bc4
        • 2.Qd8#
        • 2.b7#
      • 1...Be4
        • 2.Qd8#
      • 1...Bc6
        • 2.Qd8#
      • 1...Be6
        • 2.b7#
      • 1...Bb7
        • 2.axb7#
      • 1...Bf7
        • 2.Qd8#
        • 2.b7#
      • 1...Bg8
        • 2.Qd8#
        • 2.b7#
      • 1...Sd3
        • 2.Qxd5#
      • 1...Sf3
        • 2.Qxd5#
      • 1...Sc4
        • 2.Qxd5#
      • 1...Sg4
        • 2.Qxd5#
      • 1...Sc6
        • 2.b7#
      • 1...Sg6
        • 2.Qxd5#
      • 1...Sd7
        • 2.Qxd5#
      • 1...Sf7
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::P(B),XB(a)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • B(a);N_GUARD::P(C)
        • B(a);OGATE::P(B),XB(a)
        • S(b);S_CUTB(a)::P(C)
        • S(b);N_GUARD::QAB(A),XB(a)
      • Refutation
        • B(a);
  • Actual
    • Q(A);
    • Vars
      • B(a);OGATE::QAR(A)
      • B(a);N_GUARD::P(C)
      • B(a);OGATE::P(B),XB(a)
      • S(b);N_GUARD::QAB(A),XB(a)
      • S(b);S_CUTB(a)::P(C)
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