MESON Chess Problem Database

Problem Display
PID: 255923 (7k/5K2/8/2b4N/4R3/8/8/8 w - - 0 1)

Rozhkov, P

Zadachi i Etyudi, 2007

7k/5K2/8/2b4N/4R3/8/8/8

#2

3 + 2

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Rh4#
      • 1...Bf2
        • 2.Re8#
      • 1...Be3
        • 2.Re8#
      • 1...Bf8!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Sg3#
        • 2.Sf4#
        • 2.Sf6#
        • 2.Sg7#
      • 1...Kh7
        • 2.Sg3#
        • 2.Sf4#
        • 2.Sf6#
        • 2.Sg7#
      • 1...Be3
        • 2.Sf4#
      • 1...Bf2
        • 2.Sg3#
      • 1...Be7
        • 2.Sf6#
      • 1...Bf8
        • 2.Sg7#

This anticipates 166046(2017)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • R(A)
      • Vars
        • B(a);N_GUARD::R(A)
      • Refutation
        • B(a);
  • Actual
    • R(A);
    • Threat
      • DUALS(4)
    • Vars
      • B(a);::R(A)+S(B)
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