MESON Chess Problem Database

Problem Display
PID: 9596 (1B6/5Q2/BP6/KN1P1RP1/4k1NR/p1p2p1p/P1pqpp1P/1nrbbrn1 w - - 0 1)

Barry, Henry William

Les Tours de Force sur l'Echiquier, 1906

1B6/5Q2/BP6/KN1P1RP1/4k1NR/p1p2p1p/P1pqpp1P/1nrbbrn1

#2

13 + 15

1577 Jaarboek 1931
5424 Versunkene Schatze 1998
5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Sxf2#
    • 1...Qd3
      • 2.Rf4#
      • 2.Re5#
      • 2.Qe6#
    • 1...Qd4
      • 2.Sd6#
    • 1...Qxd5
      • 2.Qxd5#
  • Tries
    • 1.Be5?
      • threat
        • 2.Sd6#
      • 1...Kd3
        • 2.Sxc3#
        • 2.Sd6#
      • 1...Qxd5!
    • 1.Rf4+?
      • 1...Kd3
        • 2.Sxa3#
        • 2.Sd4#
        • 2.Sd6#
        • 2.Sa7#
        • 2.Sc7#
        • 2.Rd4#
        • 2.Qg6#
        • 2.Qf5#
        • 2.Qh7#
      • 1...Qxf4!
    • 1.Qh7?
      • 1...Kd3
        • 2.Rf4#
      • 1...Qxg5
        • 2.Rxg5#
      • 1...Qxd5
        • 2.Rf4#
      • 1...Qf4
        • 2.Re5#
      • 1...Qe3
        • 2.Sxf2#
      • 1...Qd4
        • 2.Sd6#
      • 1...Qd3!
  • Keys
    • 1.Qg6!
      • 1...Kd3
        • 2.Rf4#
      • 1...Qxg5
        • 2.Rxg5#
      • 1...Qxd5
        • 2.Rf4#
      • 1...Qe3
        • 2.Sxf2#
      • 1...Qf4
        • 2.Re5#
      • 1...Qd3
        • 2.Qe6#
      • 1...Qd4
        • 2.Sd6#

This anticipates 75596(1947), 185158(1948), 64905(1983)

There are these versions: 115057

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(h);SBLOCK::R(D)+S(C),DCHECK,XP(j)
    • Q(h);SBLOCK::S(F)
    • Q(h);OGATE,P_PINS(F),XP(G)::QAB1(L),XQ(h)
  • Tries
    • Try
      • B(M);
      • Threat
        • S(F)
      • Refutation
        • Q(h);P_PINS(F),XP(G)
    • Try
      • R(H);CHECK
      • Refutation
        • Q(h);XR(H)
    • Try
      • Q(L);
      • Vars
        • K(o);S_FLIGHT::QAB(L)+R(H)
        • Q(h);OGATE,XP(I)::QAB(L)+R(H),XQ(h)
        • Q(h);P_PINS(F),SBLOCK,XP(G)::QAB(L)+R(H),DCHECK
        • Q(h);SBLOCK::QAB(L)+R(H),DCHECK
        • Q(h);SBLOCK::R(D)+S(C),DCHECK,XP(j)
        • Q(h);SBLOCK::S(F)
      • Refutation
        • Q(h);
  • Actual
    • Q(L);
    • Vars
      • K(o);S_FLIGHT::QAB(L)+R(H)
      • Q(h);OGATE,XP(I)::QAB(L)+R(H),XQ(h)
      • Q(h);P_PINS(F),SBLOCK,XP(G)::QAB(L)+R(H),DCHECK
      • Q(h);SBLOCK::R(D)+S(C),DCHECK,XP(j)
      • Q(h);SBLOCK::QAB(L)+R(H),DCHECK
      • Q(h);SBLOCK::QAR2(L)
      • Q(h);SBLOCK::S(F)
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).