MESON Chess Problem Database

Problem Display
PID: 163890 (2N3b1/4p2r/N4n2/p2k4/B4R2/8/Kb2Q3/8 w - - 0 1)

Bakhalov, Evgeni

Novi Temi, 1975

2N3b1/4p2r/N4n2/p2k4/B4R2/8/Kb2Q3/8

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Qc4#
    • 1...Be6
      • 2.Qb5#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sg4
      • 2.Qe4#
    • 1...Sh5
      • 2.Qe4#
    • 1...Sd7
      • 2.Qe4#
    • 1...Se8
      • 2.Qe4#
    • 1...e5
      • 2.Qc4#
    • 1...e6
      • 2.Qb5#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sc7#
      • 1...Bd4
        • 2.Rxd4#
      • 1...Be5
        • 2.Qb3#
      • 1...Se4
        • 2.Qxe4#
      • 1...e5
        • 2.Qb3#
      • 1...Se8
        • 2.Qe4#
      • 1...e6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(a);SBLOCK::QAB1(B)
    • B(g);SBLOCK::QAR2(B)
    • S(d);N_GUARD::QAB1(B),XS(d)
    • S(d);N_GUARD::QAB1(B)
    • P(e);SBLOCK::QAB1(B)
    • P(e);SBLOCK::QAR2(B)
  • Actual
    • Q(B);
    • Threat
      • S(E)
    • Vars
      • B(a);N_GUARD::R1(D),XB(a)
      • B(a);SBLOCK::QAB(B)
      • S(d);N_GUARD::QAB1(B),XS(d)
      • P(e);SBLOCK::QAB(B)
      • S(d);N_GUARD::QAB1(B)
      • P(e);SBLOCK::QAR1(B)
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