MESON Chess Problem Database

Problem Display
PID: 109032 (6n1/4B3/8/8/1p2K3/2kNN3/4R3/8 w - - 0 1)

Myers, Arthur C

Toronto Globe, 1880

6n1/4B3/8/8/1p2K3/2kNN3/4R3/8

#2

5 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Bb4#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Rc2#
      • 1...Sf6+
        • 2.Bxf6#
      • 1...b3!
    • 1.Rb2?
      • threat
        • 2.Bxb4#
      • 1...Sf6+
        • 2.Bxf6#
      • 1...b3
        • 2.Bb4#
      • 1...Sxe7!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Rc2#
      • 1...Sf6+
        • 2.Bxf6#
      • 1...b3
        • 2.Sa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(E)
  • Tries
    • Try
      • S(B);
      • Threat
        • R1(A)
      • Vars
        • S(c);CHECK,N_GUARD::B(E),XS(c)
      • Refutation
        • P(b);
    • Try
      • R(A);
      • Threat
        • B(E),XP(b)
      • Vars
        • S(c);CHECK,N_GUARD::B(E),XS(c)
        • P(b);::B(E)
      • Refutation
        • S(c);XB(E)
  • Actual
    • S(B);
    • Threat
      • R1(A)
    • Vars
      • S(c);CHECK,N_GUARD::B(E),XS(c)
      • P(b);SBLOCK::S(B)
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