MESON Chess Problem Database

Problem Display
PID: 203207 (1n6/5p2/1p3p2/bPk2K2/1N3Q2/1P6/3P4/2n2B2 w - - 0 1)

Sova, Jakub

Prachensky kraj, 1924

1n6/5p2/1p3p2/bPk2K2/1N3Q2/1P6/3P4/2n2B2

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Kxb5
        • 2.Qc4#
      • 1...Kd5
        • 2.Bg2#
      • 1...Sxd3!
    • 1.Sa6+?
      • 1...Kd5
        • 2.Bg2#
        • 2.Bc4#
      • 1...Sxa6!
  • Keys
    • 1.Bc4!
      • 1...Kxb4
        • 2.Qd6#
      • 1...Bxb4
        • 2.d4#
      • 1...Sxb3
        • 2.Sd3#
      • 1...Sa2
        • 2.Sd3#
      • 1...Se2
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sa6
        • 2.Sxa6#
      • 1...Sc6
        • 2.Sa6#
      • 1...Sd7
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(F)::QAB1(E)
        • K(c);P-FLIGHT::B(A)
      • Refutation
        • S(a);XS(D)
    • Try
      • S(D);CHECK
      • Refutation
        • S(g);XS(D)
  • Actual
    • B(A);
    • Vars
      • K(c);S_FLIGHT,XS(D)::QAB(E)
      • B(b);SBLOCK,XS(D)::P(B)
      • S(a);N_GUARD,XP(C)::S(D)
      • S(a);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
      • S(g);N_GUARD::S(D),XS(g)
      • S(g);N_GUARD::S(D)
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