MESON Chess Problem Database

Problem Display
PID: 233299 (b7/p4n2/1B2NK2/Q3p3/1p1Nk3/7R/3n1p2/3Rbr2 w - - 0 1)

Paslack, Rainer

Freie Presse, 2009

b7/p4n2/1B2NK2/Q3p3/1p1Nk3/7R/3n1p2/3Rbr2

#2

7 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Qxe5#
    • 1...Sd6
      • 2.Qxe5#
    • 1...Sh6
      • 2.Qxe5#
    • 1...Sd8
      • 2.Qxe5#
    • 1...Sh8
      • 2.Qxe5#
    • 1...exd4
      • 2.Qf5#
    • 1...axb6
      • 2.Qxa8#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Re3#
      • 1...axb6
        • 2.Qxa8#
      • 1...Sc4
        • 2.Sbc5#
      • 1...Sf3!
    • 1.Sf5?
      • threat
        • 2.Re3#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sc4!
    • 1.Sc6?
      • threat
        • 2.Re3#
      • 1...Sf3
        • 2.Qd5#
      • 1...Sc4
        • 2.Qd5#
      • 1...axb6!
    • 1.Sg5+?
      • 1...Sxg5
        • 2.Qxe5#
      • 1...Kf4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Re3#
      • 1...axb6
        • 2.Qxa8#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sc4
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • S(i);N_GUARD::QAR1(D),XP(g)
    • P(g);OGATE,XS(C)::QAB1(D)
    • P(h);OGATE,XB(E)::QAB(D),XB(j)
  • Tries
    • Try
      • S(C);
      • Threat
        • R1(B)
      • Vars
        • P(h);OGATE,XB(E)::QAB(D),XB(j)
        • S(c);::S(C)
      • Refutation
        • S(c);
    • Try
      • S(C);
      • Threat
        • R1(B)
      • Vars
        • S(c);SBLOCK::S(C)
      • Refutation
        • S(c);
    • Try
      • S(C);
      • Threat
        • R1(B)
      • Vars
        • S(c);::QAB1(D)
      • Refutation
        • P(h);XB(E)
    • Try
      • S(F);CHECK
      • Vars
        • S(i);XS(F)::QAR1(D),XP(g)
      • Refutation
        • K(f);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • R1(B)
    • Vars
      • P(h);OGATE,XB(E)::QAB(D),XB(j)
      • S(c);SBLOCK::S(C)
      • S(c);::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).