MESON Chess Problem Database

Problem Display
PID: 54401 (3B4/3R2p1/4pNP1/4k2p/2p4p/1br1P2P/pQB5/Kn6 w - - 0 1)

Barrow, John Hugh

Western Morning News, 1925

(First published on Sat Aug 15 1925)

3B4/3R2p1/4pNP1/4k2p/2p4p/1br1P2P/pQB5/Kn6

#2

9 + 10

5257 Chess Problems by J H Barrow 2004
15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc2
      • 2.Qb5#
    • 1...Ba4
      • 2.Qb8#
    • 1...Sd2
      • 2.Qxc3#
    • 1...Sa3
      • 2.Qxc3#
    • 1...gxf6
      • 2.Bc7#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qh2#
      • 1...Bc2
        • 2.Qb5#
        • 2.Qb8#
      • 1...Sd2
        • 2.Qxc3#
      • 1...cxd3!
    • 1.Be4?
      • threat
        • 2.Qh2#
      • 1...Bc2
        • 2.Qb5#
        • 2.Qb8#
      • 1...Sd2
        • 2.Qxc3#
      • 1...gxf6!
    • 1.Be7?
      • 1...Bxc2
        • 2.Qb5#
      • 1...Ba4
        • 2.Qb8#
      • 1...Sd2
        • 2.Qxc3#
      • 1...Sa3
        • 2.Qxc3#
      • 1...gxf6!
    • 1.Rd1?
      • threat
        • 2.Sd7#
      • 1...Bxc2
        • 2.Qb5#
      • 1...gxf6
        • 2.Bc7#
      • 1...Ba4
        • 2.Qb8#
      • 1...Sd2!
    • 1.Rd2?
      • threat
        • 2.Sd7#
      • 1...Bxc2
        • 2.Qb5#
      • 1...gxf6
        • 2.Bc7#
      • 1...Ba4
        • 2.Qb8#
      • 1...Sxd2!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Sd7#
      • 1...Rxc2
        • 2.Rd5#
      • 1...Bxc2
        • 2.Qb5#
      • 1...gxf6
        • 2.Bc7#
      • 1...Rd3
        • 2.Rd5#
      • 1...Ba4
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(c);OGATE,XB(C)::QAR(B)
    • B(c);OGATE::QAB(B)
    • S(a);N_GUARD::QAB(B),XR(d)
    • P(j);SBLOCK,XS(F)::B(I)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB(B)
      • Vars
        • S(a);N_GUARD::QAB(B),XR(d)
      • Refutation
        • P(e);XB(C)
    • Try
      • B(C);
      • Threat
        • QAB(B)
      • Vars
        • S(a);N_GUARD::QAB(B),XR(d)
      • Refutation
        • P(j);XS(F)
    • Try
      • B(I);
      • Vars
        • B(c);OGATE,XB(C)::QAR(B)
        • B(c);OGATE::QAB(B)
        • S(a);N_GUARD::QAB(B),XR(d)
      • Refutation
        • P(j);XS(F)
    • Try
      • R(H);
      • Threat
        • S(F)
      • Vars
        • B(c);OGATE,XB(C)::QAR(B)
        • P(j);SBLOCK,XS(F)::B(I)
        • B(c);OGATE::QAB(B)
      • Refutation
        • S(a);
    • Try
      • R(H);
      • Threat
        • S(F)
      • Vars
        • B(c);OGATE,XB(C)::QAR(B)
        • P(j);SBLOCK,XS(F)::B(I)
        • B(c);OGATE::QAB(B)
      • Refutation
        • S(a);XR(H)
  • Actual
    • R(H);N_PINR(d)
    • Threat
      • S(F)
    • Vars
      • R(d);XB(C)::QAB(B)+R(H),DCHECK
      • B(c);OGATE,XB(C)::QAR(B)
      • P(j);SBLOCK,XS(F)::B(I)
      • R(d);::QAB(B)+R(H),DCHECK
      • B(c);OGATE::QAB(B)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).