MESON Chess Problem Database

Problem Display
PID: 52483 (4B2n/3K1p2/Q1p1pk2/R3N2p/2pNp3/6R1/8/B7 w - - 0 1)

Beckers, Jurgen

Prins, Hendrik

3rd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1986-1987

4B2n/3K1p2/Q1p1pk2/R3N2p/2pNp3/6R1/8/B7

#2

8 + 8

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qf1#
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Sxc4#
      • 1...Kf5
        • 2.Sxc6#
      • 1...fxe6
        • 2.Sg4#
      • 1...Sg6
        • 2.Sg4#
      • 1...c3
        • 2.Qf1#
      • 1...c5
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE::QAR(F)
  • Actual
    • S(C);XP(e)
    • Threat
      • B(A)+S(E),XP(a)
    • Vars
      • K(f);P-FLIGHT::R(D)+S(E),XP(d)
      • P(g);XS(C)::B(A)+S(E),DCHECK
      • S(h);SBLOCK::B(A)+S(E),DCHECK
      • P(a);OGATE::QAR(F)
      • P(d);::QAR(F)+S(C)
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