MESON Chess Problem Database

Problem Display
PID: 153391 (8/8/2K5/2N5/p1Nknn2/2R5/2R5/8 w - - 0 1)

Barrett, Samuel R

Good Companions (January Meredith Ty.), 1916

8/8/2K5/2N5/p1Nknn2/2R5/2R5/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Se6#
      • 2.Rd3#
    • 1...Sg2
      • 2.Se6#
      • 2.Rd3#
    • 1...Sd3
      • 2.Se6#
      • 2.Rxd3#
    • 1...Sh3
      • 2.Se6#
      • 2.Rd3#
    • 1...Sd5
      • 2.Se6#
      • 2.Rd3#
    • 1...Sh5
      • 2.Se6#
      • 2.Rd3#
    • 1...Se6
      • 2.Sxe6#
      • 2.Rd3#
    • 1...Sg6
      • 2.Se6#
      • 2.Rd3#
    • 1...a3
      • 2.Sb3#
  • Keys
    • 1.Rd3+!
      • 1...Sxd3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(a);N_GUARD::S(D)
  • Actual
    • R(B);CHECK
    • Vars
      • S(d);SBLOCK,XR(B)::S(D)
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