MESON Chess Problem Database

Problem Display
PID: 2673 (8/6Q1/4pp2/2N1k2n/2n1B3/1NK5/8/6B1 w - - 0 1)

Shinkman, William Anthony

Source?, 0000

8/6Q1/4pp2/2N1k2n/2n1B3/1NK5/8/6B1

#2

6 + 5

3925 The Golden Argosy 1929

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qc7#
    • 1...Sd2
      • 2.Qc7#
    • 1...Sa3
      • 2.Qc7#
    • 1...Se3
      • 2.Qc7#
    • 1...Sa5
      • 2.Qc7#
    • 1...Sb6
      • 2.Qc7#
    • 1...Sg3
      • 2.Qxg3#
    • 1...Sxg7
      • 2.Bh2#
  • Tries
    • 1.Sd3+?
      • 1...Kd6
        • 2.Bc5#
      • 1...Kxe4!
    • 1.Bh2+?
      • 1...Sg3
        • 2.Bxg3#
        • 2.Qxg3#
      • 1...Sf4!
    • 1.Bd4+?
      • 1...Kd6
        • 2.Sb7#
        • 2.Qd7#
      • 1...Kf4!
  • Keys
    • 1.Sd2!
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sxc4#
      • 1...Sxd2
        • 2.Qc7#
      • 1...Sxg7
        • 2.Bh2#
      • 1...Sb2
        • 2.Qc7#
      • 1...Sa3
        • 2.Qc7#
      • 1...Se3
        • 2.Qc7#
      • 1...Sa5
        • 2.Qc7#
      • 1...Sb6
        • 2.Qc7#
      • 1...Sd6
        • 2.Sd3#
      • 1...Sg3
        • 2.Qxg3#
      • 1...Sf4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAB(F)
    • S(c);N_GUARD::QAB(F),XS(c)
    • S(c);N_GUARD,N_SPINP(e),XQ(F)::B(A)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);N_SPINP(e),S_FLIGHT::B(A)
      • Refutation
        • K(b);N_SPINP(e),P-FLIGHT,XB(D)
    • Try
      • B(A);CHECK
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • B(A);CHECK
      • Refutation
        • K(b);N_SPINP(e),S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(b);N_SPINP(e),S_FLIGHT::S(E)
      • K(b);N_SPINP(e),S_FLIGHT::S(B),XS(a)
      • S(a);N_GUARD,XS(B)::QAB(F)
      • S(c);N_GUARD,N_SPINP(e),XQ(F)::B(A)
      • S(a);N_GUARD::QAB(F)
      • S(a);SBLOCK::S(E)
      • S(c);N_GUARD::QAB(F),XS(c)
      • S(c);SBLOCK::S(B),XS(a)
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Developed and maintained by Brian Stephenson.
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