MESON Chess Problem Database

Problem Display
PID: 206722 (4B3/4PR2/6k1/8/5KN1/8/8/8 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1925

4B3/4PR2/6k1/8/5KN1/8/8/8

#2

5 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kh5
      • 2.Rh7#
  • Tries
    • 1.Kg3?
      • 1...Kh5
        • 2.Rf5#
        • 2.Rg7#
      • 1...Kg5!
    • 1.Sf2?
      • 1...Kh5
        • 2.Rh7#
      • 1...Kh6!
    • 1.Sh2?
      • 1...Kh5
        • 2.Rh7#
      • 1...Kh6!
    • 1.Se3?
      • 1...Kh5
        • 2.Rh7#
      • 1...Kh6!
    • 1.Se5+?
      • 1...Kh5
        • 2.Rh7#
      • 1...Kh6!
  • Keys
    • 1.Sf6!
      • 1...Kh6
        • 2.Rh7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::B(E)+R(D),DCHECK
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(E)+R(D),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(E)+R(D),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(E)+R(D),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(E)+R(D),DCHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::R1(D)
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