MESON Chess Problem Database

Problem Display
PID: 108530 (n7/1Kp5/3pPQ2/1N1k1pN1/2R5/1pp2r2/2bqBn2/3R2b1 w - - 0 1)

Kapros, Jorge Marcelo

Il Duale, 1978

n7/1Kp5/3pPQ2/1N1k1pN1/2R5/1pp2r2/2bqBn2/3R2b1

#2

8 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Rdxd4#
      • 2.Qxd4#
    • 1...Rf4
      • 2.Sxc3#
    • 1...Bd3
      • 2.Qd4#
    • 1...Sb6
      • 2.Sxc7#
  • Tries
    • 1.Rd4+?
      • 1...Qxd4
        • 2.Qxd4#
      • 1...Kc5!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Bc4#
      • 1...Qd3
        • 2.Sxc3#
      • 1...Rd3
        • 2.Qxf5#
      • 1...Rf4
        • 2.Sxc3#
      • 1...Bd3
        • 2.Qd4#
      • 1...Sd3
        • 2.Bxf3#
      • 1...Sb6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD::S(D),XP(f)
    • B(b);N_SPINQ(c),S_CUTQ(c)::QAR1(G)
    • S(l);N_GUARD::S(D),XP(k)
  • Tries
    • Try
      • R(C);CHECK,N_PINQ(c)
      • Vars
        • Q(c);OGATE,P_SPINQ(c),XR(C)::QAR1(G),XQ(c)
      • Refutation
        • K(h);P-FLIGHT
  • Actual
    • R(C);
    • Threat
      • B(B)
    • Vars
      • Q(c);S_CUTR(g)::S(D),XP(f)
      • R(g);N_GUARD,N_SPINQ(c),S_CUTB(b)::QAR2(G),XP(i)
      • R(g);N_GUARD::S(D),XP(f)
      • B(b);N_SPINQ(c),S_CUTQ(c)::QAR1(G)
      • S(d);N_GUARD,N_SPINQ(c),S_CUTB(b)::B(B),XR(g)
      • S(l);N_GUARD::S(D),XP(k)
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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).