MESON Chess Problem Database

Problem Display
PID: 246338 (4k3/2K1p3/7n/5R2/8/8/1n6/1Q6 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Shakhmatnaya Poeziya, 2008

4k3/2K1p3/7n/5R2/8/8/1n6/1Q6

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qb5#
      • 2.Qb8#
    • 1...Sd3
      • 2.Qb5#
      • 2.Qb8#
    • 1...Sa4
      • 2.Qb5#
      • 2.Qb8#
    • 1...Sc4
      • 2.Qb5#
      • 2.Qb8#
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qa8#
      • 1...Sxf5
        • 2.Qg8#
      • 1...Sf7
        • 2.Qxf7#
      • 1...e5
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Sa4
        • 2.Qxa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • S(b);N_GUARD,XR(B)::QAR2(A)
      • S(b);N_GUARD::QAB1(A),XS(b)
      • P(c);OGATEB::QAR2(A)
      • P(c);OGATEB::QAR2(A),XP(c)
      • S(a);N_GUARD::QAB(A),XS(a)
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