MESON Chess Problem Database

Problem Display
PID: 267386 (8/5Q2/6Nr/6k1/8/4KB2/8/6N1 w - - 0 1)

Nedeljkovic, Miomir

Politika, 1961

8/5Q2/6Nr/6k1/8/4KB2/8/6N1

#2

5 + 2

261 Mat 1980

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg6
      • 2.Qf4#
  • Tries
    • 1.Se7?
      • threat
        • 2.Qf4#
      • 1...Kh4
        • 2.Qf4#
      • 1...Rf6
        • 2.Qh5#
      • 1...Rh4
        • 2.Qg6#
        • 2.Qg7#
      • 1...Re6+!
    • 1.Sf8?
      • threat
        • 2.Qf4#
      • 1...Kh4
        • 2.Qf4#
      • 1...Rf6
        • 2.Qh5#
      • 1...Rh4
        • 2.Qg6#
      • 1...Re6+!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qf4#
      • 1...Kh4
        • 2.Qf4#
      • 1...Rf6
        • 2.Qh5#
      • 1...Rh4
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK,XS(D)::QAB1(E)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
        • R(b);N_GUARD,SBLOCK::QAR1(E)
      • Refutation
        • R(b);CHECK
    • Try
      • S(D);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
        • R(b);N_GUARD,SBLOCK::QAR1(E)
      • Refutation
        • R(b);CHECK
  • Actual
    • S(D);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT::QAR2(E)
      • R(b);N_GUARD,SBLOCK::QAR1(E)
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