MESON Chess Problem Database

Problem Display
PID: 233717 (1b6/8/5pN1/1R1P1kpK/2B5/2N1nP2/8/2n5 w - - 0 1)

Couture, William J

Chess Life, 1949

1b6/8/5pN1/1R1P1kpK/2B5/2N1nP2/8/2n5

#2

7 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Bd3#
    • 1...Se2
      • 2.Bd3#
    • 1...Sb3
      • 2.Bd3#
    • 1...Sd3
      • 2.Bxd3#
    • 1...Sd1
      • 2.d6#
    • 1...Sf1
      • 2.d6#
    • 1...Sc2
      • 2.d6#
    • 1...Sg2
      • 2.d6#
    • 1...Sg4
      • 2.fxg4#
  • Keys
    • 1.Se2!
      • threat
        • 2.Sd4#
      • 1...Sxe2
        • 2.Bd3#
      • 1...Be5
        • 2.Se7#
      • 1...Ba7
        • 2.Sg3#
      • 1...Sb3
        • 2.Bd3#
      • 1...Sc2
        • 2.d6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(a);N_GUARD::B(C)
    • S(a);N_GUARD::B(C),XS(a)
    • S(b);N_GUARD::R(D)+P(E)
    • S(b);OGATE::P(B),XS(b)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • S(a);N_GUARD,XS(A)::B(C)
      • B(f);SBLOCK::S(G)
      • B(f);N_GUARD::S(A)
      • S(a);N_GUARD::B(C)
      • S(b);N_GUARD::R(D)+P(E)
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