MESON Chess Problem Database

Problem Display
PID: 241856 (8/p2K4/R7/2k5/3n4/P2Q4/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1931

8/p2K4/R7/2k5/3n4/P2Q4/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Ra5#
    • 1...Sc2
      • 2.Rc6#
    • 1...Se2
      • 2.Rc6#
    • 1...Sb3
      • 2.Rc6#
    • 1...Sf3
      • 2.Rc6#
    • 1...Sb5
      • 2.Rc6#
    • 1...Sf5
      • 2.Rc6#
    • 1...Sc6
      • 2.Rxc6#
    • 1...Se6
      • 2.Rc6#
  • Keys
    • 1.Ra5+!
      • 1...Kb6
        • 2.Qa6#
      • 1...Sb5
        • 2.Rxb5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • K(b);P-FLIGHT,P_SPINS(a)::R(C)
    • S(a);N_GUARD::R1(C)
    • S(a);N_GUARD::R1(C),XS(a)
  • Actual
    • R(C);CHECK
    • Vars
      • K(b);S_FLIGHT::QAR1(B)
      • S(a);N_GUARD,P_SPINS(a)::R1(C),XS(a)
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