MESON Chess Problem Database

Problem Display
PID: 172365 (nB6/rP6/k7/1R6/K7/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1997

nB6/rP6/k7/1R6/K7/8/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.bxa8S?
      • threat
        • 2.Rb6#
      • 1...Rb7
        • 2.Ra5#
      • 1...Rxa8!
  • Keys
    • 1.Bc7!
      • threat
        • 2.b8S#
      • 1...Sb6+
        • 2.Rxb6#
      • 1...Rxb7
        • 2.Ra5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);XS(c)
      • Threat
        • R1(B)
      • Vars
        • R(b);SBLOCK::R1(B)
      • Refutation
        • R(b);XS(C)
  • Actual
    • B(D);
    • Threat
      • P=S
    • Vars
      • S(c);CHECK,N_GUARD::R1(B),XS(c)
      • R(b);SBLOCK,XP(C)::R1(B)
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