MESON Chess Problem Database

Problem Display
PID: 2580 (8/7p/4N1Rb/2Kppkq1/B2P2n1/5P2/6NQ/8 w - - 0 1)

Nesbitt, Miss Dora

Source?, 0000

8/7p/4N1Rb/2Kppkq1/B2P2n1/5P2/6NQ/8

#2

8 + 7

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Sh4#
    • 1...Qe3
      • 2.Sh4#
    • 1...Qf4
      • 2.Sh4#
    • 1...Qh4
      • 2.Sxh4#
  • Tries
    • 1.Qxe5+?
      • 1...Kxg6
        • 2.Be8#
      • 1...Sxe5!
  • Keys
    • 1.Qf4+!
      • 1...Kxg6
        • 2.Be8#
      • 1...Qxf4
        • 2.Sh4#
      • 1...exf4
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(e);N_GUARD::S(A)
    • Q(e);N_GUARD,P_PINP(E)::S(A)
    • Q(e);N_GUARD::S(A),XQ(e)
  • Tries
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • K(d);S_FLIGHT,XR(H)::B(D)
      • Refutation
        • S(a);XQ(B)
  • Actual
    • Q(B);CHECK
    • Vars
      • K(d);S_FLIGHT,XR(H)::B(D)
      • Q(e);XQ(B)::S(A)
      • P(c);XQ(B)::B(D)
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Developed and maintained by Brian Stephenson.
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