MESON Chess Problem Database

Problem Display
PID: 157305 (k3n3/P7/NPK5/1P6/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

k3n3/P7/NPK5/1P6/8/8/8/8

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Sc7#
    • 1...Sf6
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sg7
      • 2.Sc7#
  • Keys
    • 1.b7+!
      • 1...Kxa7
        • 2.b8Q#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD::S(B)
    • S(b);N_GUARD::S(B),XS(b)
  • Actual
    • P(C);CHECK
    • Vars
      • K(a);P-FLIGHT,XP(E)::P=Q
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