MESON Chess Problem Database

Problem Display
PID: 214676 (8/4b3/4nB2/1N3R2/3pk1p1/4N3/4B3/3K4 w - - 0 1)

Klark, Dmitry Vasilevich

Vsemirnaya Illustrantiya, 1880

8/4b3/4nB2/1N3R2/3pk1p1/4N3/4B3/3K4

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Re5#
  • Tries
    • 1.Sg2?
      • threat
        • 2.Re5#
      • 1...Bxf6
        • 2.Sd6#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Kxf5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Re5#
      • 1...Kxf5
        • 2.Bd3#
      • 1...Bxf6
        • 2.Sd6#
      • 1...Bd6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(d);SBLOCK::R1(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(E)
      • Vars
        • B(e);N_GUARD,XB(F)::S(D)
        • B(e);N_GUARD::S(D),XB(e)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
  • Actual
    • S(C);
    • Threat
      • R1(E)
    • Vars
      • K(b);S_FLIGHT,XR(E)::B(B)
      • B(e);N_GUARD,XB(F)::S(D)
      • B(e);N_GUARD::S(D),XB(e)
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