MESON Chess Problem Database

Problem Display
PID: 179776 (5b1Q/3B1rpP/5B2/Rn6/2P1k3/p2N3R/p7/K7 w - - 0 1)

Lider, Valentin Viktorovich

Probleemblad, 1979

5b1Q/3B1rpP/5B2/Rn6/2P1k3/p2N3R/p7/K7

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bb4
      • 2.Qa8#
    • 1...Bc5
      • 2.Qa8#
    • 1...Bd6
      • 2.Qa8#
    • 1...Be7
      • 2.Qa8#
    • 1...Sc3
      • 2.Bf5#
    • 1...Sd4
      • 2.Re5#
    • 1...Sd6
      • 2.Bc6#
    • 1...Sa7
      • 2.Bf5#
    • 1...Sc7
      • 2.Bf5#
  • Keys
    • 1.Qg8!
      • 1...Rxf6
        • 2.Qd5#
      • 1...Rxd7
        • 2.Qe6#
      • 1...gxf6
        • 2.Qg4#
      • 1...Re7
        • 2.Qd5#
      • 1...Bb4
        • 2.Qa8#
      • 1...Bc5
        • 2.Qa8#
      • 1...Bd6
        • 2.Qa8#
      • 1...Be7
        • 2.Qa8#
      • 1...Sc3
        • 2.Bf5#
      • 1...Sd4
        • 2.Re5#
      • 1...Sd6
        • 2.Bc6#
      • 1...Sa7
        • 2.Bf5#
      • 1...Sc7
        • 2.Bf5#
      • 1...g5
        • 2.Qg6#
      • 1...g6
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(g);OGATE::QAB(I)
    • S(d);::B(G)
    • S(d);OGATE,SBLOCK::R1(E)
  • Actual
    • Q(I);
    • Vars
      • R(e);OGATE,XB(F)::QAB1(I)
      • R(e);OGATE,XB(G)::QAR2(I)
      • P(f);OGATE,XB(F)::QAR2(I)
      • R(e);OGATE::QAB1(I)
      • B(g);OGATE::QAB(I)
      • S(d);::B(G)
      • S(d);OGATE,SBLOCK::R1(E)
      • P(f);OGATE::QAB(I)
      • P(f);OGATE::QAB(I),XP(f)
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