MESON Chess Problem Database

Problem Display
PID: 104470 (4K3/8/4N1nQ/3R1P2/2P1k1p1/2r5/8/3B2b1 w - - 0 1)

Loncarevic, J

Nesic, Milivoj S

Belgrade QCT, 1966

4K3/8/4N1nQ/3R1P2/2P1k1p1/2r5/8/3B2b1

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sc5#
    • 1...Bh2
      • 2.Sc5#
    • 1...Be3
      • 2.Qh1#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sh4
      • 2.Qf4#
    • 1...Se5
      • 2.Qf4#
    • 1...Se7
      • 2.Qf4#
    • 1...Sf8
      • 2.Qf4#
    • 1...Sh8
      • 2.Qf4#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Sg5#
      • 1...Se5
        • 2.Qf4#
      • 1...Re3
        • 2.Qd4#
      • 1...Be3
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(b);S_CUTB(a)::S(E)
    • B(a);N_GUARD::S(E)
    • B(a);SBLOCK,S_CUTR(b)::QAB(F)
    • B(a);N_GUARD::S(E),XB(a)
    • S(e);N_GUARD::QAR1(F),XS(e)
    • S(e);N_GUARD::QAR1(F)
  • Actual
    • Q(F);
    • Threat
      • S(E)
    • Vars
      • S(e);N_GUARD::QAR1(F)
      • R(b);S_CUTB(a)::QAR1(F)
      • B(a);SBLOCK,S_CUTR(b)::QAB(F)
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