MESON Chess Problem Database

Problem Display
PID: 180145 (8/8/3K3p/8/N2kNn1r/3Pp3/8/n4Qb1 w - - 0 1)

Romanovskis, Vladimirs

Sachmatija, 2015

8/8/3K3p/8/N2kNn1r/3Pp3/8/n4Qb1

#2

5 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sac5?
      • threat
        • 2.Qxa1#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...e2
        • 2.Qxg1#
      • 1...Sc2
        • 2.Sb3#
      • 1...Sb3
        • 2.Sxb3#
      • 1...Se2
        • 2.Qf6#
      • 1...Sd5
        • 2.Se6#
      • 1...Rh2!
  • Keys
    • 1.Sec5!
      • threat
        • 2.Qxa1#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...e2
        • 2.Qxg1#
      • 1...Rh2
        • 2.Qxf4#
      • 1...Sc2
        • 2.Sb3#
      • 1...Sb3
        • 2.Sxb3#
      • 1...Se2
        • 2.Qf6#
      • 1...Sd5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB(A),XS(a)
      • Vars
        • S(e);OGATE,XP(B)::QAR1(A),XS(e)
        • P(c);OGATEB::QAB(A),XB(b)
        • S(a);N_GUARD::S(C)
        • S(a);N_GUARD::S(C),XS(a)
        • S(e);OGATE::QAB(A)
        • S(e);N_GUARD::S(C)
      • Refutation
        • R(f);
  • Actual
    • S(D);
    • Threat
      • QAB(A),XS(a)
    • Vars
      • S(e);OGATE,XP(B)::QAR1(A),XS(e)
      • P(c);OGATEB::QAB(A),XB(b)
      • R(f);N_GUARD::QAR2(A),XS(e)
      • S(a);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
      • S(e);OGATE::QAB(A)
      • S(e);N_GUARD::S(D)
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