MESON Chess Problem Database

Problem Display
PID: 166419 (8/2PPk3/2n5/2K2Q2/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

8/2PPk3/2n5/2K2Q2/8/8/8/8

#2

4 + 2

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.d8Q#
    • 1...Sd4
      • 2.d8Q#
    • 1...Sa5
      • 2.d8Q#
    • 1...Se5
      • 2.d8Q#
    • 1...Sa7
      • 2.d8Q#
    • 1...Sb8
      • 2.d8Q#
    • 1...Sd8
      • 2.c8S#
  • Tries
    • 1.Kd5?
      • 1...Sd4
        • 2.d8Q#
      • 1...Sa5
        • 2.d8Q#
      • 1...Se5
        • 2.d8Q#
      • 1...Sa7
        • 2.d8Q#
      • 1...Sb8
        • 2.d8Q#
      • 1...Sd8
        • 2.c8S#
      • 1...Sb4+!
  • Keys
    • 1.Kb6!
      • 1...Kd6
        • 2.c8S#
      • 1...Sb4
        • 2.d8Q#
      • 1...Sd4
        • 2.d8Q#
      • 1...Sa5
        • 2.d8Q#
      • 1...Se5
        • 2.d8Q#
      • 1...Sa7
        • 2.d8Q#
      • 1...Sb8
        • 2.d8Q#
      • 1...Sd8
        • 2.c8S#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::P=Q
    • S(a);SBLOCK::P=S
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(a);N_GUARD::P=Q
        • S(a);SBLOCK::P=S
      • Refutation
        • S(a);CHECK
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::P=S
      • S(a);N_GUARD::P=Q
      • S(a);SBLOCK::P=S
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