MESON Chess Problem Database

Problem Display
PID: 227784 (2B5/3PBk1K/1N4N1/8/8/8/8/8 w - - 0 1)

Kovacs, Norbert

Szasz, Lajos

Magyar Sakkvilag, 1926

2B5/3PBk1K/1N4N1/8/8/8/8/8

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.d8S#
  • Tries
    • 1.Kh6?
      • 1...Ke6
        • 2.d8S#
      • 1...Kg8!
    • 1.Kh8?
      • 1...Ke6
        • 2.d8S#
      • 1...Kxg6!
  • Keys
    • 1.d8S+!
      • 1...Ke8
        • 2.Bd7#

FEATURES

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