MESON Chess Problem Database

Problem Display
PID: 231460 (K7/2NPB3/1kB5/2R5/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

K7/2NPB3/1kB5/2R5/8/8/8/8

#2

6 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc7
      • 2.d8Q#
  • Tries
    • 1.Bh4?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Kxc5!
    • 1.Bg5?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Kxc5!
    • 1.Bf6?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Kxc5!
    • 1.Rc1?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Ka5!
    • 1.Rc2?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Ka5!
    • 1.Rc3?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Ka5!
    • 1.Rc4?
      • 1...Kxc7
        • 2.d8Q#
      • 1...Ka5!
  • Keys
    • 1.Sd5+!
      • 1...Ka6
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT,XS(C)::P=Q
  • Tries
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT,XS(C)::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);CHECK
    • Vars
      • K(a);P-FLIGHT::B(B)
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