MESON Chess Problem Database

Problem Display
PID: 169069 (3k4/2R1p2K/2nn4/2NN4/8/8/8/4Q3 w - - 0 1)

Novitski, Petr Adrinovich

4th Place, SuperProblem 004. TT, 2012

3k4/2R1p2K/2nn4/2NN4/8/8/8/4Q3

#2

5 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Qxe7#
    • 1...Sd4
      • 2.Qxe7#
    • 1...Sa5
      • 2.Qxe7#
    • 1...Sa7
      • 2.Qxe7#
    • 1...Sb8
      • 2.Qxe7#
    • 1...Se8
      • 2.Se6#
      • 2.Sb7#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qd7#
      • 1...Ke8
        • 2.Qg8#
      • 1...Se5
        • 2.Qxe7#
      • 1...Sb8
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(a);N_GUARD::QAB1(A),XP(c)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(c)::QAR2(A)
      • S(a);N_GUARD::QAB1(A),XP(c)
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