MESON Chess Problem Database

Problem Display
PID: 172402 (8/8/p7/1N6/k7/8/K2B4/1R6 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

8/8/p7/1N6/k7/8/K2B4/1R6

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...a5
      • 2.Sc3#
  • Tries
    • 1.Be1?
      • 1...a5
        • 2.Sc3#
      • 1...axb5!
    • 1.Rb2?
      • 1...a5
        • 2.Sc3#
      • 1...axb5!
  • Keys
    • 1.Rb3!
      • 1...axb5
        • 2.Ra3#
      • 1...a5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::S(D)
  • Tries
    • Try
      • B(C);
      • Vars
        • P(b);SBLOCK::S(D)
      • Refutation
        • P(b);XS(D)
    • Try
      • R(A);
      • Vars
        • P(b);SBLOCK::S(D)
      • Refutation
        • P(b);XS(D)
  • Actual
    • R(A);
    • Vars
      • P(b);SBLOCK,XS(D)::R1(A)
      • P(b);SBLOCK::S(D)
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