MESON Chess Problem Database

Problem Display
PID: 60308 (K2B4/2N5/1kp5/n1n2Q2/8/1b6/1N6/8 w - - 0 1)

Loyd, Sam

Chess Strategy, 1881

K2B4/2N5/1kp5/n1n2Q2/8/1b6/1N6/8

#2

5 + 5

15 British Chess Magazine 1911
5206 Sam Loyd and His Chess Problems 1913

SOLUTION

  • SOUND
  • Keys
    • 1.Qb1!
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sab7
        • 2.Sc4#
      • 1...Sd3
        • 2.Sa4#
      • 1...Sa4
        • 2.Sxa4#
      • 1...Se4
        • 2.Sa4#
      • 1...Sa6
        • 2.Sa4#
      • 1...Se6
        • 2.Sa4#
      • 1...Scb7
        • 2.Sa4#
      • 1...Sd7
        • 2.Sa4#
      • 1...Bd1
        • 2.Sa4#
        • 2.Sc4#
      • 1...Ba2
        • 2.Sa4#
        • 2.Sc4#
      • 1...Bc2
        • 2.Sa4#
        • 2.Sc4#
      • 1...Ba4
        • 2.Sxa4#
        • 2.Sc4#
      • 1...Bc4
        • 2.Sa4#
        • 2.Sxc4#
      • 1...Bd5
        • 2.Sa4#
        • 2.Sc4#
      • 1...Be6
        • 2.Sa4#
        • 2.Sc4#
      • 1...Bf7
        • 2.Sa4#
        • 2.Sc4#
      • 1...Bg8
        • 2.Sa4#
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Vars
      • S(b);N_GUARD::S(A),XS(b)
      • S(b);N_GUARD::S(A)
      • S(c);N_GUARD::S(A)
      • S(c);N_GUARD::S(A),XS(c)
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