MESON Chess Problem Database

Problem Display
PID: 48689 (8/Bp2K2Q/6pP/1BnPNRp1/R1N1k2r/1p3pP1/1Pbp1P2/4r3 w - - 0 1)

Swindley, Cyril P

2nd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1977-1978

8/Bp2K2Q/6pP/1BnPNRp1/R1N1k2r/1p3pP1/1Pbp1P2/4r3

#2

13 + 11

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Se3#
    • 1...Kxd5
      • 2.Sb6#
    • 1...Kxf5
      • 2.Qxg6#
    • 1...Sd7
      • 2.Se3#
  • Keys
    • 1.Sxg6!
      • threat
        • 2.Sd6#
      • 1...Kd3+
        • 2.Sce5#
      • 1...Kd4+
        • 2.Se3#
      • 1...Kxf5+
        • 2.Sge5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(f);P-FLIGHT,P_PINS(H),P_SPINS(h)::R(D)+S(E)
    • K(f);P_PINS(H),S_FLIGHT,XP(G)::S(E)
    • K(f);OGATEB,P_PINS(H),P_SPINP(j),S_FLIGHT,XR(I)::QAB1(M),XP(j)
    • S(h);N_GUARD::R(D)+S(E)
  • Actual
    • S(H);XP(j)
    • Threat
      • R(D)+S(E),DCHECK
    • Vars
      • K(f);CHECK,S_FLIGHT::B(F)+S(E),DCHECK
      • K(f);CHECK,P-FLIGHT,P_SPINS(h)::R(D)+S(E)
      • K(f);CHECK,S_FLIGHT,XR(I)::QAB(M)+S(H)
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