MESON Chess Problem Database

Problem Display
PID: 72254 (2BNN3/5pB1/1P2rp2/1R1bk3/3pnr1P/5RPn/2Q5/4K3 w - - 0 1)

Warrier, GK

Chess, 1953

2BNN3/5pB1/1P2rp2/1R1bk3/3pnr1P/5RPn/2Q5/4K3

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rg4
      • 2.Sxf7#
    • 1...Rxh4
      • 2.Sxf7#
    • 1...Rf5
      • 2.Sxf7#
    • 1...Rxb6
      • 2.Sxf7#
    • 1...Rc6
      • 2.Sxc6#
      • 2.Sxf7#
    • 1...Rd6
      • 2.Sxf7#
    • 1...Re7
      • 2.Sc6#
    • 1...Rxe8
      • 2.Sxf7#
    • 1...Sd2
      • 2.Sxf7#
    • 1...Sf2
      • 2.Sxf7#
    • 1...Sc3
      • 2.Sxf7#
    • 1...Sxg3
      • 2.Sxf7#
    • 1...Sc5
      • 2.Sxf7#
    • 1...Sd6
      • 2.Sc6#
  • Keys
    • 1.Sxf6!
      • threat
        • 2.Rxd5#
      • 1...Kf5
        • 2.Qxe4#
      • 1...Kd6
        • 2.Qc7#
      • 1...Rfxf6
        • 2.Sxf7#
      • 1...Rexf6
        • 2.Sxf7#
      • 1...Sxf6
        • 2.Sxf7#
      • 1...Rd6
        • 2.Sg4#
        • 2.Sxf7#
      • 1...Sc3
        • 2.Sxf7#
      • 1...Sc5
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 11
  • Sets
    • R(d);::S(J),XP(i)
    • R(d);XP(E)::S(J),XP(i)
    • R(g);XP(G)::S(J),XP(i)
    • R(g);::S(J),XP(i)
    • R(g);N_GUARD::S(J)
    • R(g);XS(K)::S(J),XP(i)
    • S(c);::S(J),XP(i)
    • S(c);XP(D)::S(J),XP(i)
    • S(c);N_SPINB(e)::S(J),XP(i)
    • S(c);S_CUTR(g)::S(J)
  • Actual
    • S(K);XP(h)
    • Threat
      • R1(F),XB(e)
    • Vars
      • K(f);P-FLIGHT,P_SPINR(d),P_SPINS(c)::QAB1(B),XS(c)
      • K(f);N_SPINB(e),S_FLIGHT::QAB1(B)
      • R(d);P_SPINR(d),XS(K)::S(J),XP(i)
      • R(g);P_SPINR(g),XS(K)::S(J),XP(i)
      • S(c);P_SPINS(c),XS(K)::S(J),XP(i)
      • S(c);::S(J),XP(i)
      • S(c);N_SPINB(e)::S(J),XP(i)
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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).