MESON Chess Problem Database

Problem Display
PID: 90096 (b5r1/4P1pq/p5n1/1pPk4/Q2N4/B2B2br/2N1R3/1Kn5 w - - 0 1)

Schor, Laszlo

Die Schwalbe 102. TT, 1951

b5r1/4P1pq/p5n1/1pPk4/Q2N4/B2B2br/2N1R3/1Kn5

#2

9 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Be4#
    • 1...Sa2
      • 2.Qb3#
    • 1...Sb3
      • 2.Qxb3#
    • 1...Sxd3
      • 2.Qb3#
    • 1...Se5
      • 2.Se3#
  • Keys
    • 1.Qxa6!
      • threat
        • 2.Qe6#
      • 1...b4
        • 2.Qc4#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Sf4
        • 2.Qd6#
      • 1...Sf8
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 5
  • Sets
    • B(b);SBLOCK::B(E)
    • S(a);N_GUARD::QAB(F)
    • S(a);N_GUARD::QAB(F),XS(a)
    • S(a);N_GUARD,XB(E)::QAB(F)
    • S(g);SBLOCK::S(B)
  • Actual
    • Q(F);XP(f)
    • Threat
      • QAB1(F)
    • Vars
      • P(d);OGATE::QAB1(F)
      • B(b);N_GUARD::QAR1(F),XB(b)
      • B(j);N_GUARD::QAB1(F),XB(j)
      • S(g);S_CUTB(b)::QAR1(F)
      • S(g);S_CUTR(k)::QAB(F),XB(j)
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