MESON Chess Problem Database

Problem Display
PID: 91924 (8/B7/8/8/8/1k6/1NNPK3/1R6 w - - 0 1)

Kardos, Tivadar

Deutsche Schachzeitung, 1985

8/B7/8/8/8/1k6/1NNPK3/1R6

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Ka2
        • 2.Rb2#
      • 1...Kxc2
        • 2.Rb2#
      • 1...Kc4
        • 2.Se3#
      • 1...Ka4!
  • Keys
    • 1.Sc4+!
      • 1...Ka2
        • 2.Rb2#
      • 1...Kxc2
        • 2.Sa3#
      • 1...Ka4
        • 2.Rb4#
      • 1...Kxc4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(A)
        • K(a);S_FLIGHT,XS(C)::R1(A)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);CHECK
    • Vars
      • K(a);S_FLIGHT::R1(A)
      • K(a);S_FLIGHT,XS(C)::S(B)
      • K(a);OGATE,S_FLIGHT::R1(A)
      • K(a);S_FLIGHT,XS(B)::S(C)
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