MESON Chess Problem Database

Problem Display
PID: 61183 (8/1Q1p2K1/4kB2/8/5p2/8/4N3/8 w - - 0 1)

Bantysh, Nikolai Ivanovich

HM., Uralski Problemist, 2001

8/1Q1p2K1/4kB2/8/5p2/8/4N3/8

#2

4 + 3

4393 Uralski Problemist 2004

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Sd4#
  • Tries
    • 1.Sxf4+?
      • 1...Kd6
        • 2.Qb6#
      • 1...Kf5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qd5#
      • 1...Kf5
        • 2.Qxd7#
      • 1...Kd6
        • 2.Qb6#
      • 1...d5
        • 2.Qxd5#
      • 1...d6
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::S(A)
  • Tries
    • Try
      • S(A);CHECK,XP(a)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(A);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);S_FLIGHT::QAB(C),XP(c)
      • K(b);P-FLIGHT::QAR2(C)
      • P(c);::QAB1(C),XP(c)
      • P(c);OGATEB,SBLOCK::QAB(C)
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