MESON Chess Problem Database

Problem Display
PID: 242077 (8/5p2/5K2/4B3/4k3/4P3/8/2NQ4 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/5p2/5K2/4B3/4k3/4P3/8/2NQ4

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe3
      • 2.Qe2#
  • Tries
    • 1.Qc2+?
      • 1...Kxe3
        • 2.Qe2#
      • 1...Kd5
        • 2.e4#
      • 1...Kf3!
    • 1.Qg4+?
      • 1...Kxe3
        • 2.Qe2#
        • 2.Qf4#
      • 1...Kd5!
    • 1.Qh5?
      • 1...Kxe3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Qf1?
      • 1...Kxe3
        • 2.Qe2#
        • 2.Qf4#
      • 1...Kd5!
  • Keys
    • 1.Bg3!
      • 1...Kxe3
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,XP(C)::QAR1(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR1(B)
        • K(a);OGATE,S_FLIGHT::P(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);P-FLIGHT,XP(C)::QAR1(B)
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