MESON Chess Problem Database

Problem Display
PID: 159696 (1b4B1/3p4/Q1pn4/1pk5/1NP2n2/PP6/5N1K/1b1R4 w - - 0 1)

Sarkits, Anatoly L

Schach, 2000

1b4B1/3p4/Q1pn4/1pk5/1NP2n2/PP6/5N1K/1b1R4

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Qxa7#
  • Tries
    • 1.Sxc6?
      • threat
        • 2.b4#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Se6
        • 2.Rd5#
      • 1...Sf7
        • 2.Qxb5#
      • 1...b4
        • 2.axb4#
      • 1...Sd3!
  • Keys
    • 1.Sc2!
      • threat
        • 2.b4#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sd5
        • 2.Sd3#
      • 1...Se6
        • 2.Sd3#
      • 1...Sf7
        • 2.Se4#
      • 1...b4
        • 2.axb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(h);N_GUARD::QAB(H),XB(h)
  • Tries
    • Try
      • S(F);XP(e)
      • Threat
        • P(E)
      • Vars
        • S(b);N_GUARD::R1(A),XS(b)
        • S(b);N_GUARD::R1(A)
        • S(f);N_GUARD::QAR1(H),XP(c)
        • P(c);OGATE::P(D),XP(c)
      • Refutation
        • S(b);
  • Actual
    • S(F);
    • Threat
      • P(E)
    • Vars
      • S(b);N_GUARD::S(B),XS(b)
      • S(b);N_GUARD::S(B)
      • S(f);N_GUARD::S(B)
      • P(c);OGATE::P(D),XP(c)
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