MESON Chess Problem Database

Problem Display
PID: 258959 (2B5/1KBN2q1/1Q4p1/R2p4/4kP1R/4Nn2/1b2P3/8 w - - 0 1)

Hoek, Willem

Probleemblad, 1949

2B5/1KBN2q1/1Q4p1/R2p4/4kP1R/4Nn2/1b2P3/8

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.f5#
    • 1...Sg1
      • 2.f5#
    • 1...Sd2
      • 2.f5#
    • 1...Se5
      • 2.fxe5#
    • 1...Sg5
      • 2.fxg5#
      • 2.f5#
  • Keys
    • 1.Sf1!
      • threat
        • 2.Sg3#
      • 1...Kf5
        • 2.Sg3#
      • 1...Qd4
        • 2.Qxg6#
      • 1...Bd4
        • 2.Qb1#
      • 1...Sd4
        • 2.Sc5#
      • 1...d4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD::R(D)+P(C)
    • S(b);OGATE::R(D)+P(C),XS(b)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(c);P_SPINP(d),S_FLIGHT::S(B)
      • Q(f);N_GUARD,SBLOCK::QAB(F),XP(e)
      • B(a);OGATE,SBLOCK::QAB(F)
      • S(b);SBLOCK::S(I)
      • P(d);OGATEB,SBLOCK::QAB(F)
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