MESON Chess Problem Database

Problem Display
PID: 96754 (k5r1/B1P1N3/1P4p1/8/1p2N1K1/2P1P3/r3B3/Rn6 w - - 0 1)

Tritten, Pierre

Problemesis, 2004

k5r1/B1P1N3/1P4p1/8/1p2N1K1/2P1P3/r3B3/Rn6

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa7
      • 2.Rxa7#
    • 1...Rg7
      • 2.c8Q#
    • 1...Rb8
      • 2.cxb8Q#
      • 2.cxb8R#
  • Tries
    • 1.c8R+?
      • 1...Kb7
        • 2.Sc5#
        • 2.Sd6#
      • 1...Rxc8!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sf6#
      • 1...Rg2+
        • 2.Sg3#
      • 1...Kb7
        • 2.Sc5#
      • 1...Sxc3
        • 2.Sxc3#
      • 1...Rd2
        • 2.Sxd2#
      • 1...Rf2
        • 2.Sxf2#
      • 1...Ra5
        • 2.Sc5#
      • 1...Rb8
        • 2.cxb8Q#
        • 2.cxb8R#
      • 1...Rd8
        • 2.Sd6#
      • 1...Rf8
        • 2.Sf6#
      • 1...Sd2
        • 2.Sxd2#
      • 1...g5
        • 2.Sd2#
        • 2.Sf2#
        • 2.Sg3#
        • 2.Sc5#
        • 2.Sxg5#
        • 2.Sd6#
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • R(b);OGATE,P_SPINR(b),XB(H)::R1(A),XR(b)
    • R(f);N_GUARD::P=Q
    • R(f);OGATE::PXR(f)=Q
  • Tries
    • Try
      • P(I);CHECK
      • Refutation
        • R(f);XR(I)
  • Actual
    • B(B);
    • Threat
      • DUALS(7)
    • Vars
      • R(b);CHECK::B(B)+S(E)
      • K(e);S_FLIGHT::B(B)+S(E),DCHECK
      • S(a);XP(C)::B(B)+S(E),XS(a)
      • R(b);::B(B)+S(E),XR(b)
      • R(b);::B(B)+S(E)
      • R(f);OGATE::PXR(f)=Q
      • R(f);::B(B)+S(E)
      • S(a);::B(B)+S(E),XS(a)
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).