MESON Chess Problem Database

Problem Display
PID: 85364 (B4R2/5p2/8/8/7K/8/4N2k/8 w - - 0 1)

Zheltonozhko, Vladimir Ivanovich

Bron MT, 1990

B4R2/5p2/8/8/7K/8/4N2k/8

#2

4 + 2

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Kg5?
      • threat
        • 2.Rh8#
      • 1...Kh3
        • 2.Rh8#
      • 1...f6+!
  • Keys
    • 1.Rh8!
      • threat
        • 2.Kg4#
        • 2.Kg5#
      • 1...f5
        • 2.Kg5#
      • 1...f6
        • 2.Kg4#

This anticipates 245303(1998)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • R(D)
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);CHECK
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::R(D)+K(B)
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