MESON Chess Problem Database

Problem Display
PID: 50906 (6B1/2K5/2N2p2/1pk1P2R/4nP1b/2P5/n6B/2R5 w - - 0 1)

Mattey, JR

Chess Amateur (The), 1908

6B1/2K5/2N2p2/1pk1P2R/4nP1b/2P5/n6B/2R5

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.cxb4#
    • 1...Sg3
      • 2.Bg1#
    • 1...fxe5
      • 2.Rxe5#
  • Keys
    • 1.Rf5!
      • threat
        • 2.exf6#
      • 1...fxe5
        • 2.Rxe5#
      • 1...Sb4
        • 2.cxb4#
      • 1...Sg3
        • 2.Bg1#
      • 1...Sd6
        • 2.exd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::R(A)+P(C)DCHECK,XS(a)
    • S(b);N_GUARD,S_CUTB(c)::B(B)
    • P(f);OGATE,P_SPINP(f),XP(E)::R(F),XP(f)
  • Actual
    • R(F);
    • Threat
      • R(F)+P(E),XP(f)
    • Vars
      • P(f);OGATE,P_SPINP(f),XP(E)::R(F),XP(f)
      • S(a);OGATE::R(A)+P(C)DCHECK,XS(a)
      • S(b);N_GUARD,S_CUTB(c)::B(B)
      • S(b);OGATE::R(F)+P(E),XS(b)
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