MESON Chess Problem Database

Problem Display
PID: 10777 (6B1/8/R3NPp1/3k1bQ1/5P2/3P1N2/8/3R2K1 w - - 0 1)

Salazar Lopez, Francisco

2nd Prize, Die Schwalbe, 1968

6B1/8/R3NPp1/3k1bQ1/5P2/3P1N2/8/3R2K1

#2

10 + 3

5862 An ABC of Chess Problems 1970
274 diagrammes 1973
3751 FIDE Album (1968-1970) 1977
721 Variantim 1990
5395 Schach fur Nussknacker 1994
4640 Chess Wizardry: The New ABC of Chess Problems 1996
45 Schach 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • 1...Bxd3
        • 2.Qg2#
      • 1...Bxe6
        • 2.Sf3#
      • 1...Bh3
        • 2.Sg4#
      • 1...Bg4
        • 2.Sxg4#
      • 1...Be4!
    • 1.Qxg6?
      • threat
        • 2.Qxf5#
      • 1...Bxd3
        • 2.Qxd3#
      • 1...Bxe6
        • 2.Qf5#
        • 2.Qh5#
        • 2.Qg5#
      • 1...Bh3
        • 2.Qe4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Bg4
        • 2.Qe4#
      • 1...Bxg6!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qa2#
      • 1...Bxd3
        • 2.Se5#
      • 1...Bxe6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);N_PINB(b)
      • Vars
        • B(b);N_GUARD,P_SPINB(b),XP(C)::QAB(F)
        • B(b);P_SPINB(b),XS(H)::QAR(F)+S(D)
        • B(b);::QAR(F)+S(D)
        • B(b);::QAR(F)+S(D),XB(b)
      • Refutation
        • B(b);
    • Try
      • Q(F);N_PINB(b),XP(c)
      • Threat
        • QAR2(F),XB(b)
      • Vars
        • B(b);OGATE,P_SPINB(b),XP(C)::QAR2(F),XB(b)
        • B(b);OGATE::QAB1(F)
        • B(b);OGATE::QAB1(F),XB(b)
      • Refutation
        • B(b);XQ(F)
  • Actual
    • Q(F);N_PINB(b)
    • Threat
      • QAB(F)
    • Vars
      • B(b);N_GUARD,P_SPINB(b),XP(C)::QAB(F)+S(D)
      • B(b);OGATEB,P_SPINB(b),XS(H)::QAR(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).