MESON Chess Problem Database

Problem Display
PID: 95040 (2Bnr3/8/7n/R3N3/1bK1k3/5b2/4pP1B/8 w - - 0 1)

Shamrin, Aleksandr Petrovich

Cherkasskaya Pravda, 1978

2Bnr3/8/7n/R3N3/1bK1k3/5b2/4pP1B/8

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Rxe5#
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sg5#
      • 1...Shxf7
        • 2.Bf5#
      • 1...Sdxf7
        • 2.Bb7#
      • 1...Re5
        • 2.Rxe5#
      • 1...Rg8
        • 2.Re5#
      • 1...Bd2
        • 2.Sd6#
      • 1...Be7
        • 2.Re5#
      • 1...Se6
        • 2.Bb7#
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(g);OGATE,XS(E)::R1(D),XR(g)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(e);N_GUARD,XS(E)::B(F)
      • S(f);N_GUARD,XS(E)::B(F)
      • R(g);N_GUARD::R1(D),XR(g)
      • R(g);N_GUARD::R1(D)
      • B(c);N_GUARD::S(E)
      • B(c);S_CUTR(g)::R1(D)
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