MESON Chess Problem Database

Problem Display
PID: 208108 (8/8/3B4/3q4/1NbkpN2/3p4/3K4/8 w - - 0 1)

Hanshew, John K

Dubuque Chess Journal, 1874

8/8/3B4/3q4/1NbkpN2/3p4/3K4/8

#2

4 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Sxc6#
    • 1...Qe6
      • 2.Sc6#
    • 1...Qf7
      • 2.Sc6#
    • 1...Qg8
      • 2.Sc6#
    • 1...Qe5
      • 2.Sc6#
    • 1...Qf5
      • 2.Sc6#
    • 1...Qg5
      • 2.Sc6#
    • 1...Qh5
      • 2.Sc6#
  • Keys
    • 1.Se2+!
      • 1...dxe2
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • Q(e);N_GUARD::S(B),XQ(e)
    • Q(e);N_GUARD::S(B)
    • Q(e);N_GUARD,P_PINS(C)::S(B)
  • Actual
    • S(C);CHECK
    • Vars
      • P(a);XS(C)::S(B)
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