MESON Chess Problem Database

Problem Display
PID: 46414 (8/8/b7/kpK5/p7/Q7/n7/8 w - - 0 1)

Zimmer, Eligiusz

StrateGems, 2003

8/8/b7/kpK5/p7/Q7/n7/8

#2

2 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qb4#
    • 1...Sc3
      • 2.Qb4#
    • 1...Sb4
      • 2.Qxb4#
  • Tries
    • 1.Qb2?
      • 1...Bb7
        • 2.Qxb5#
      • 1...Bc8
        • 2.Qxb5#
      • 1...a3
        • 2.Qxa3#
      • 1...Sc1
        • 2.Qb4#
      • 1...Sc3
        • 2.Qb4#
      • 1...Sb4
        • 2.Qxb4#
      • 1...b4!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qd8#
      • 1...Bb7
        • 2.Qxb5#
      • 1...Bc8
        • 2.Qxb5#
      • 1...a3
        • 2.Qxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::QAB1(A)
    • S(a);N_GUARD::QAB1(A),XS(a)
  • Tries
    • Try
      • Q(A);N_PINP(b)
      • Vars
        • B(e);N_GUARD::QAR1(A),XP(d)
        • P(b);OGATEB::QAR2(A),XP(b)
        • S(a);N_GUARD::QAB1(A)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • P(d);
  • Actual
    • Q(A);N_PINP(b)
    • Threat
      • QAB(A)
    • Vars
      • B(e);N_GUARD::QAR1(A),XP(d)
      • P(b);OGATEB::QAR2(A),XP(b)
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