MESON Chess Problem Database

Problem Display
PID: 177918 (8/8/8/p7/p2R4/3R4/pPPK4/rk1N4 w - - 0 1)

Buyanov, Aleksandr N

Sahs (Latvia), 1982

8/8/8/p7/p2R4/3R4/pPPK4/rk1N4

#2

6 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.b3?
      • 1...axb3
        • 2.Rxb3#
      • 1...a3!
  • Keys
    • 1.b4!
      • 1...axb4
        • 2.Rxb4#
      • 1...axb4 ep
        • 2.Rxb3#
      • 1...a3
        • 2.Rb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);
      • Vars
        • P(d);OGATE,XP(B)::R(E),XP(d)
      • Refutation
        • P(d);
  • Actual
    • P(B);
    • Vars
      • P(e);OGATE,XP(B)::R(F),XP(e)
      • P(d);EP,N_GUARD,XP(B)::R(E),XP(d)
      • P(d);N_GUARD::R(E)
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