MESON Chess Problem Database

Problem Display
PID: 60216 (3Q4/K4kr1/5p2/1pN5/p1q2N2/8/B7/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

stern, 1999

3Q4/K4kr1/5p2/1pN5/p1q2N2/8/B7/8

#2

5 + 6

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Bxd5#
    • 1...Qe6
      • 2.Bxe6#
    • 1...b4
      • 2.Bxc4#
  • Keys
    • 1.Sce6!
      • threat
        • 2.Qf8#
      • 1...Qd4+
        • 2.Sxd4#
      • 1...Qc5+
        • 2.Sxc5#
      • 1...Qc7+
        • 2.Sxc7#
      • 1...Qxe6
        • 2.Bxe6#
      • 1...Qxf4
        • 2.Sxf4#
      • 1...Qb4
        • 2.Sg5#
      • 1...Qc8
        • 2.Sg5#
      • 1...Rg8
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • Q(b);OGATE::B(A),XQ(b)
    • P(c);N_GUARD::B(A),XQ(b)
  • Actual
    • S(C);N_PINQ(b)
    • Threat
      • QAR1(E)
    • Vars
      • Q(b);CHECK::B(A)+S(C),XQ(b)
      • Q(b);OGATE,P_SPINQ(b),XS(C)::B(A),XQ(b)
      • Q(b);XS(B)::B(A)+S(C),XQ(b)
      • Q(b);::B(A)+S(C),DCHECK
      • R(f);SBLOCK::QAR2(E)
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