MESON Chess Problem Database

Problem Display
PID: 141949 (7n/1K2p3/N2N4/4k3/4P3/B7/1n3Q2/8 w - - 0 1)

Nield, Joshua

Bristol Mercury, 0000

7n/1K2p3/N2N4/4k3/4P3/B7/1n3Q2/8

#2

6 + 4

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qf5#
  • Tries
    • 1.Bc5?
      • threat
        • 2.Qf5#
      • 1...Ke6
        • 2.Qf5#
      • 1...e6!
  • Keys
    • 1.Sc5!
      • 1...Kxd6
        • 2.Qd4#
      • 1...exd6
        • 2.Bxb2#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sg6
        • 2.Sf7#
      • 1...Sf7
        • 2.Sxf7#
      • 1...e6
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAB1(A)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • P(c);
  • Actual
    • S(D);
    • Vars
      • K(b);S_FLIGHT,XS(E)::QAR2(A)
      • P(c);SBLOCK,XS(E)::B(B),XS(a)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
      • S(d);N_GUARD::S(E)
      • S(d);N_GUARD::S(E),XS(d)
      • P(c);SBLOCK::S(D)
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