MESON Chess Problem Database

Problem Display
PID: 224306 (3n4/B2q1R2/5N2/1Q1Pp2B/4Pk1K/2n3Np/4b3/6b1 w - - 0 1)

Fitzpatrick, Herbert F

Brownson's Chess Journal, 1887

3n4/B2q1R2/5N2/1Q1Pp2B/4Pk1K/2n3Np/4b3/6b1

#2

9 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Sxd5#
    • 1...Bxh5
      • 2.Sfxh5#
    • 1...Sb1
      • 2.Sxe2#
    • 1...Sd1
      • 2.Sxe2#
    • 1...Sa2
      • 2.Sxe2#
    • 1...Sa4
      • 2.Sxe2#
    • 1...Sxb5
      • 2.Sxe2#
    • 1...Sxd5
      • 2.Sxe2#
      • 2.Sxd5#
    • 1...Sc6
      • 2.Sxd7#
    • 1...Se6
      • 2.Sxd7#
    • 1...Sb7
      • 2.Sxd7#
  • Keys
    • 1.Qxe2!
      • threat
        • 2.Qf3#
      • 1...Qg4+
        • 2.Qxg4#
      • 1...Sxe2
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(g);XP(E)::R(I)+S(G),DCHECK,XQ(g)
    • B(b);XB(F)::R(I)+S(G),DCHECK,XB(b)
    • S(c);N_GUARD::S(A),XB(b)
    • S(c);N_GUARD,XQ(D)::S(A),XB(b)
    • S(h);N_GUARD::R(I)+S(G),XQ(g)
  • Actual
    • Q(D);XB(b)
    • Threat
      • QAR1(D)
    • Vars
      • Q(g);CHECK,N_GUARD::QAR1(D),XQ(g)
      • S(c);XQ(D)::S(A),XS(c)
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