MESON Chess Problem Database

Problem Display
PID: 172462 (8/8/6R1/3KPk2/5b2/4B2R/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1997

8/8/6R1/3KPk2/5b2/4B2R/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Rg5#
    • 1...Bg3
      • 2.Rg5#
    • 1...Bg5
      • 2.Rxg5#
  • Tries
    • 1.Rh5+?
      • 1...Bg5
        • 2.Rhxg5#
        • 2.Rgxg5#
      • 1...Kxg6!
  • Keys
    • 1.Rhg3!
      • threat
        • 2.Rf6#
      • 1...Bxg3
        • 2.Rg5#
      • 1...Bxe5
        • 2.R3g5#
      • 1...Bg5
        • 2.R3xg5#
        • 2.R6xg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::R1(E)
    • B(a);N_GUARD::R1(E),XB(a)
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(E)
  • Actual
    • R(B);
    • Threat
      • R1(E)
    • Vars
      • B(a);N_GUARD,XR(B)::R1(E)
      • B(a);N_GUARD,XP(D)::R1(B)
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