MESON Chess Problem Database

Problem Display
PID: 134898 (2B5/8/4pnp1/1Q6/4kpN1/2P5/8/4bN1K w - - 0 1)

Lincoln, Robert A

The Problemist, 2009

2B5/8/4pnp1/1Q6/4kpN1/2P5/8/4bN1K

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Sxd2#
    • 1...Bf2
      • 2.Sd2#
    • 1...Bg3
      • 2.Sd2#
    • 1...Bh4
      • 2.Sd2#
    • 1...Sxg4
      • 2.Bb7#
    • 1...Sh5
      • 2.Bb7#
    • 1...Sd7
      • 2.Bb7#
    • 1...Sh7
      • 2.Bb7#
    • 1...Se8
      • 2.Bb7#
    • 1...Sg8
      • 2.Bb7#
  • Tries
    • 1.Bxe6?
      • threat
        • 2.Qe2#
      • 1...Kf3
        • 2.Qd3#
      • 1...Sxg4
        • 2.Qd5#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Bf2
        • 2.Sd2#
      • 1...Sd5
        • 2.Qxd5#
      • 1...f3
        • 2.Qc4#
      • 1...Bxc3!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Qd3#
      • 1...Kf3
        • 2.Qe2#
      • 1...Sxg4
        • 2.Bb7#
      • 1...f3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • B(a);N_GUARD::S(A)
    • S(e);N_GUARD,XS(D)::B(F)
    • S(e);N_GUARD::B(F)
  • Tries
    • Try
      • B(F);XP(d)
      • Threat
        • QAR2(E)
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
        • S(e);N_GUARD,XS(D)::QAB1(E)
        • B(a);N_GUARD::S(A),XB(a)
        • B(a);N_GUARD::S(A)
        • S(e);N_GUARD::QAB1(E),XS(e)
        • P(c);SBLOCK::QAR2(E)
      • Refutation
        • B(a);XP(C)
  • Actual
    • B(F);
    • Threat
      • QAB1(E)
    • Vars
      • K(b);S_FLIGHT::QAB1(E)
      • S(e);N_GUARD,XS(D)::B(F)
      • P(c);SBLOCK::QAR1(E)
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