MESON Chess Problem Database

Problem Display
PID: 51632 (8/3R4/3N4/3q4/BBNkppR1/3p4/3P4/3K4 w - - 0 1)

Barrow, John Hugh

Western Morning News, 1924

(First published on Sat Jun 14 1924)

8/3R4/3N4/3q4/BBNkppR1/3p4/3P4/3K4

#2

8 + 5

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

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.dxe3#
  • Tries
    • 1.Bb5?
      • threat
        • 2.Sf5#
      • 1...Qxc4
        • 2.Sxc4#
      • 1...Qxd6
        • 2.Rxd6#
      • 1...Qf5
        • 2.Sxf5#
      • 1...e3
        • 2.dxe3#
      • 1...Qxb5!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Sb5#
        • 2.Sf5#
      • 1...Qxc4
        • 2.Sxc4#
      • 1...Qxd6
        • 2.Rxd6#
      • 1...Qb5
        • 2.Sxb5#
        • 2.Sf5#
      • 1...Qf5
        • 2.Sb5#
        • 2.Sxf5#
      • 1...e3
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE,P_SPINP(d)::P(B),XP(c)
  • Tries
    • Try
      • B(C);
      • Threat
        • S(G)
      • Vars
        • Q(e);XS(E)::R(H)+S(G),XQ(e)
        • Q(e);OGATE,P_SPINQ(e),XS(G)::R(H),XQ(e)
        • Q(e);::R(H)+S(G),DCHECK,XQ(e)
        • P(c);OGATE,P_SPINP(d)::P(B),XP(c)
      • Refutation
        • Q(e);XB(C)
  • Actual
    • B(C);
    • Threat
      • DUALS(2)
    • Vars
      • Q(e);XS(E)::R(H)+S(G),XQ(e)
      • Q(e);OGATE,P_SPINQ(e),XS(G)::R(H),XQ(e)
      • P(c);OGATE,P_SPINP(d)::P(B),XP(c)
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