MESON Chess Problem Database

Problem Display
PID: 234899 (q4Q2/1p1rp3/3p2p1/5p2/8/8/R1BB1kP1/4RN1K w - - 0 1)

Haring, Jacobus

Revista Romana de Sah, 1966

q4Q2/1p1rp3/3p2p1/5p2/8/8/R1BB1kP1/4RN1K

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qxf4#
    • 1...g5
      • 2.Qxf5#
  • Keys
    • 1.Bxf5!
      • threat
        • 2.Ba5#
      • 1...Qxa2
        • 2.Be6#
      • 1...Qa3
        • 2.Bd3#
      • 1...Qa4
        • 2.Be4#
      • 1...Qa5
        • 2.Bxa5#
      • 1...Qa6
        • 2.Bb1#
        • 2.Bc2#
        • 2.Bd3#
        • 2.Bh3#
        • 2.Be4#
        • 2.Bg4#
        • 2.Be6#
        • 2.Bxg6#
        • 2.Bxd7#
      • 1...Qc8
        • 2.Bc3#
      • 1...Rc7
        • 2.Bc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • P(b);OGATE::QAR2(H),XP(b)
    • P(d);N_GUARD::QAR(H),XP(b)
  • Actual
    • B(E);XP(b)
    • Threat
      • R(D)+B(F)
    • Vars
      • Q(h);N_GUARD,XR(D)::QAR(H)+B(E)
      • Q(h);N_GUARD::QAR(H)+B(E)
      • Q(h);::R(D)+B(F),XQ(h)
      • Q(h);N_GUARD::R(D)+B(F)
      • R(f);OGATE::QAR(H)+B(E)
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