MESON Chess Problem Database

Problem Display
PID: 87679 (8/b1B5/2R5/1B1k4/1Pp3r1/2P2nr1/2NNn3/K4b2 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Problemista, 1966

8/b1B5/2R5/1B1k4/1Pp3r1/2P2nr1/2NNn3/K4b2

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Se3#
    • 1...Be3
      • 2.Sxe3#
    • 1...Bb8
      • 2.Se3#
    • 1...Sed4
      • 2.Se3#
    • 1...Se5
      • 2.Rd6#
  • Tries
    • 1.Rg6?
      • threat
        • 2.Bc6#
      • 1...Sed4
        • 2.Se3#
      • 1...Sfd4
        • 2.Bxc4#
      • 1...Se5
        • 2.Rd6#
      • 1...Rxg6!
    • 1.Rh6?
      • threat
        • 2.Bc6#
      • 1...Sed4
        • 2.Se3#
      • 1...Sfd4
        • 2.Bxc4#
      • 1...Se5
        • 2.Rd6#
      • 1...Rg6!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Bc6#
      • 1...Sed4
        • 2.Se3#
      • 1...Sfd4
        • 2.Bxc4#
      • 1...Se5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(f);S_CUTB(h)::S(B)
    • B(h);N_GUARD::S(B),XB(h)
    • B(h);N_GUARD::S(B)
    • S(b);S_CUTB(h)::S(B)
    • S(c);SBLOCK::R1(G)
  • Tries
    • Try
      • R(G);
      • Threat
        • B(F)
      • Vars
        • S(b);S_CUTB(h)::S(B)
        • S(c);S_CUTR(f)::B(F),XP(e)
        • S(c);SBLOCK::R1(G)
      • Refutation
        • R(f);XR(G)
    • Try
      • R(G);
      • Threat
        • B(F)
      • Vars
        • S(b);S_CUTB(h)::S(B)
        • S(c);S_CUTR(f)::B(F),XP(e)
        • S(c);SBLOCK::R1(G)
      • Refutation
        • R(f);
  • Actual
    • R(G);
    • Threat
      • B(F)
    • Vars
      • S(b);S_CUTB(h)::S(B)
      • S(c);S_CUTR(f)::B(F),XP(e)
      • S(c);SBLOCK::R1(G)
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