MESON Chess Problem Database

Problem Display
PID: 241863 (8/N3R3/3P4/3k4/1K6/B4N2/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1931

8/N3R3/3P4/3k4/1K6/B4N2/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Kc4#
  • Tries
    • 1.Se1?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kd4!
    • 1.Sg1?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kd4!
    • 1.Sd2?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kd4!
    • 1.Sh2?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kd4!
    • 1.Sd4?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kxd4!
    • 1.Sh4?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kd4!
    • 1.Sg5?
      • 1...Kxd6
        • 2.Kc4#
      • 1...Kd4!
  • Keys
    • 1.d7!
      • 1...Kd6
        • 2.d8Q#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,XP(D)::B(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);P-FLIGHT::P=Q
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