MESON Chess Problem Database

Problem Display
PID: 200471 (4r3/1BQ2R1p/2p1PP1K/1p3k1N/rN4p1/2P1n1p1/4P1n1/8 w - - 0 1)

Pituk, Alexander

Sachova skladba, 2000

4r3/1BQ2R1p/2p1PP1K/1p3k1N/rN4p1/2P1n1p1/4P1n1/8

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sxg3#
    • 1...Kxe6
      • 2.Sg7#
    • 1...Rxe6
      • 2.Sxg3#
    • 1...c5
      • 2.Sg7#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxe6
        • 2.Qd7#
      • 1...Rxe6
        • 2.Sxg3#
      • 1...Re4
        • 2.Sg7#
      • 1...Sc4!
    • 1.Qd6?
      • threat
        • 2.Sxg3#
      • 1...Ke4
        • 2.Sxg3#
      • 1...Sf1!
  • Keys
    • 1.Sxc6!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kxe6
        • 2.Qd7#
      • 1...Rxe6
        • 2.Sxg3#
      • 1...Re4
        • 2.Sg7#
      • 1...Sc4
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(g);P_SPINP(h),S_FLIGHT::S(D),XP(c)
    • K(g);S_FLIGHT,XP(E)::S(D)
    • R(j);P_PINP(F),SBLOCK,XP(E)::S(D),XP(c)
    • P(h);::S(D)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(I)
      • Vars
        • K(g);P_SPINP(h),S_FLIGHT::QAR1(I)
        • K(g);OGATEB,S_FLIGHT,XP(E)::QAB1(I)
        • R(j);P_PINP(F),SBLOCK,XP(E)::S(D),XP(c)
        • R(d);SBLOCK::S(D)
      • Refutation
        • S(b);
    • Try
      • Q(I);
      • Threat
        • S(D),XP(c)
      • Vars
        • K(g);P_SPINP(h),S_FLIGHT::S(D),XP(c)
      • Refutation
        • S(b);
  • Actual
    • S(C);XP(h)
    • Threat
      • QAR1(I)
    • Vars
      • K(g);S_FLIGHT::QAR1(I)
      • K(g);OGATEB,S_FLIGHT,XP(E)::QAB1(I)
      • R(j);P_PINP(F),SBLOCK,XP(E)::S(D),XP(c)
      • R(d);SBLOCK::S(D)
      • S(b);S_CUTR(d)::S(C)
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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).