MESON Chess Problem Database

Problem Display
PID: 51633 (8/3PBnb1/p3b2p/P3k2P/Q3PpB1/N3R3/PKn1N3/8 w - - 0 1)

Barrow, John Hugh

Western Morning News, 1924

(First published on Sat Jun 21 1924)

8/3PBnb1/p3b2p/P3k2P/Q3PpB1/N3R3/PKn1N3/8

#2

12 + 8

5257 Chess Problems by J H Barrow 2004
15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bxd7
      • 2.Sc4#
    • 1...Sa1
      • 2.Qd4#
    • 1...Se1
      • 2.Qd4#
    • 1...Sxa3
      • 2.Qd4#
    • 1...Sxe3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
  • Tries
    • 1.Qb5+?
      • 1...Bd5
        • 2.Sc4#
        • 2.Qxd5#
      • 1...axb5!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qxe6#
      • 1...Bxc4
        • 2.Sxc4#
      • 1...Bxg4
        • 2.Qd5#
      • 1...Bxd7
        • 2.Qd5#
        • 2.Qc5#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bf5
        • 2.Qd5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sg5
        • 2.Qc7#
      • 1...Sd8
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 5
  • Sets
    • B(e);N_GUARD::S(D),XB(e)
    • B(e);N_GUARD,XP(K)::S(D)
    • S(a);N_GUARD::QAB1(F)
    • S(a);N_GUARD,XS(D)::QAB1(F)
    • S(a);N_GUARD,XR(E)::QAB1(F)
    • S(a);N_GUARD::QAB1(F),XS(a)
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • P(d);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XB(e)
    • Vars
      • B(e);XQ(F)::S(D),XB(e)
      • B(e);N_GUARD,XB(H)::QAR1(F)
      • B(e);N_GUARD::QAR1(F),XB(e)
      • B(e);N_GUARD::QAR1(F)
      • S(a);N_GUARD::QAB1(F),XS(a)
      • S(g);N_GUARD::QAB(F)
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