MESON Chess Problem Database

Problem Display
PID: 97919 (8/1QPPPbpn/3NPr2/3BRnp1/3N3p/2P4r/1K3k1p/1R4b1 w - - 0 1)

Haring, Jacobus

Problemas, 1977

8/1QPPPbpn/3NPr2/3BRnp1/3N3p/2P4r/1K3k1p/1R4b1

#2

12 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Re2#
  • Keys
    • 1.Bh1!
      • threat
        • 2.Qg2#
      • 1...Kg3
        • 2.Qf3#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Rg3
        • 2.Re2#
      • 1...Se3
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::R1(F)
  • Actual
    • B(E);
    • Threat
      • QAR1(I)
    • Vars
      • K(b);S_FLIGHT::QAR1(I)
      • R(d);N_GUARD::QAR1(I),XR(d)
      • R(d);SBLOCK::R1(F)
      • S(f);SBLOCK::S(G)
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