MESON Chess Problem Database

Problem Display
PID: 198082 (7b/N7/8/8/1nN1k1K1/3R4/4B3/8 w - - 0 1)

Zujevas, Nikolajus

Zadachi i Etyudi, 2015

7b/N7/8/8/1nN1k1K1/3R4/4B3/8

#2

5 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sd2#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Sd2#
        • 2.Sd6#
      • 1...Sxd3
        • 2.Bf3#
      • 1...Bd4
        • 2.Rxd4#
      • 1...Bc3
        • 2.Sd6#
      • 1...Be5
        • 2.Sd2#
      • 1...Sxc6!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sbd6#
      • 1...Sxd3
        • 2.Bf3#
      • 1...Bd4
        • 2.Rxd4#
      • 1...Be5
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::S(C)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);SBLOCK,XR(B)::B(A)
        • B(c);N_GUARD::R1(B),XB(c)
        • B(c);::S(C)
      • Refutation
        • S(a);XS(E)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(a);SBLOCK,XR(B)::B(A)
      • B(c);N_GUARD::R1(B),XB(c)
      • B(c);SBLOCK::S(C)
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