MESON Chess Problem Database

Problem Display
PID: 252815 (R7/8/B2K4/2N5/3k1n2/1P3r2/3Pb3/6N1 w - - 0 1)

de Grandi, Carlo

SEPA-80 JT (Problemas), 2013-2014

R7/8/B2K4/2N5/3k1n2/1P3r2/3Pb3/6N1

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Sxf3#
    • 1...Bd3
      • 2.Sxf3#
    • 1...Bc4
      • 2.Sxf3#
    • 1...Bb5
      • 2.Sxf3#
    • 1...Bxa6
      • 2.Sxf3#
    • 1...Sg2
      • 2.Sxe2#
    • 1...Sd3
      • 2.Sxe2#
    • 1...Sh3
      • 2.Sxe2#
    • 1...Sd5
      • 2.Sxe2#
    • 1...Sh5
      • 2.Sxe2#
    • 1...Se6
      • 2.Sxe2#
    • 1...Sg6
      • 2.Sxe2#
  • Tries
    • 1.Re8?
      • threat
        • 2.Re4#
      • 1...Bd3
        • 2.Sxf3#
      • 1...Se6
        • 2.Sxe2#
      • 1...Re3!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Ra4#
      • 1...Bxd3
        • 2.Sxf3#
      • 1...Sxd3
        • 2.Sxe2#
      • 1...Sd5
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • B(a);N_GUARD::S(A),XR(b)
    • B(a);N_GUARD,XB(E)::S(A),XR(b)
    • S(d);N_GUARD::S(A),XB(a)
  • Tries
    • Try
      • R(G);
      • Threat
        • R1(G)
      • Vars
        • B(a);N_GUARD::S(A),XR(b)
        • S(d);N_GUARD::S(A),XB(a)
      • Refutation
        • R(b);
  • Actual
    • B(E);
    • Threat
      • R(G)
    • Vars
      • B(a);N_GUARD,XB(E)::S(A),XR(b)
      • S(d);N_GUARD,XB(E)::S(A),XB(a)
      • S(d);N_GUARD::S(A),XB(a)
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