MESON Chess Problem Database

Problem Display
PID: 265652 (3R3K/b4N2/2p1Bp2/5p2/4k3/3n3R/4N3/8 w - - 0 1)

Lynn, David P

The Problemist, 1996

3R3K/b4N2/2p1Bp2/5p2/4k3/3n3R/4N3/8

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Rxd4#
    • 1...Bb8
      • 2.Rd4#
    • 1...Sf4
      • 2.Sc3#
    • 1...Sc5
      • 2.Rd4#
    • 1...Se5
      • 2.Sd6#
    • 1...f4
      • 2.Sc3#
    • 1...c5
      • 2.Bd5#
  • Keys
    • 1.Bc4!
      • threat
        • 2.Bxd3#
      • 1...Sc1
        • 2.Re8#
      • 1...Se1
        • 2.Re8#
      • 1...Sb2
        • 2.Re8#
      • 1...Sf2
        • 2.Re8#
      • 1...Sb4
        • 2.Re8#
      • 1...Sf4
        • 2.Sc3#
      • 1...Sc5
        • 2.Rd4#
      • 1...Se5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(f);N_GUARD::R1(E),XB(f)
    • B(f);N_GUARD::R1(E)
    • S(a);SBLOCK::S(A)
    • S(a);S_CUTB(f)::R1(E)
    • S(a);SBLOCK::S(D)
    • P(c);SBLOCK::S(A)
    • P(d);N_GUARD::B(C)
  • Actual
    • B(C);
    • Threat
      • B(C),XS(a)
    • Vars
      • S(a);N_GUARD::R(E)
      • S(a);SBLOCK::S(A)
      • S(a);S_CUTB(f)::R1(E)
      • S(a);SBLOCK::S(D)
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