MESON Chess Problem Database

Problem Display
PID: 51884 (n7/3p4/p7/kpQ5/8/1K6/8/8 w - - 0 1)

Paradzinsky, Oleg

StrateGems, 2004

n7/3p4/p7/kpQ5/8/1K6/8/8

#2

2 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Qb4#
    • 1...Sc7
      • 2.Qxc7#
  • Tries
    • 1.Qc3+?
      • 1...b4
        • 2.Qxb4#
        • 2.Qc5#
      • 1...Kb6!
  • Keys
    • 1.Qd6!
      • 1...b4
        • 2.Qxb4#
        • 2.Qc5#
      • 1...Sc7
        • 2.Qxc7#
      • 1...Sb6
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(e);SBLOCK::QAB1(B)
    • S(e);N_GUARD::QAB(B),XS(e)
  • Tries
    • Try
      • Q(B);CHECK,N_PINP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);N_PINP(b)
    • Vars
      • S(e);N_GUARD::QAB(B),XS(e)
      • S(e);SBLOCK::QAB1(B)
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