MESON Chess Problem Database

Problem Display
PID: 246689 (2K5/k7/p7/8/4Q3/8/8/7b w - - 0 1)

Parkhomenko, Nikolai A

Magadanskaya Pravda, 1998

2K5/k7/p7/8/4Q3/8/8/7b

#2

2 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qb8#
      • 1...Bb7+
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qb8#
      • 1...a5!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qb8#
      • 1...Bb7+
        • 2.Qxb7#
      • 1...Ka8
        • 2.Qb8#
      • 1...a5
        • 2.Qxa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • B(a);CHECK,N_GUARD::QAR1(A),XB(a)
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • P(b);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • B(a);CHECK,N_GUARD::QAR1(A),XB(a)
      • K(c);P-FLIGHT::QAR1(A)
      • P(b);OGATEB::QAR2(A),XP(b)
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