MESON Chess Problem Database

Problem Display
PID: 70893 (8/1B1N4/2Pp3b/Kn1k4/bR5R/4prpQ/2r1n3/3N1q2 w - - 0 1)

Peris Pardo, Julio

Commendable Mention, White MT (A), 1952-1953

8/1B1N4/2Pp3b/Kn1k4/bR5R/4prpQ/2r1n3/3N1q2

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.c7#
    • 1...Rb2
      • 2.c7#
    • 1...Rd2
      • 2.c7#
    • 1...Rf4
      • 2.Sxe3#
    • 1...Sec3
      • 2.c7#
    • 1...Sf4
      • 2.Qf5#
  • Tries
    • 1.Rxb5+?
      • 1...Rc5
        • 2.c7#
      • 1...Bxb5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe4#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rf4
        • 2.Sxe3#
      • 1...Bf4
        • 2.Qg8#
      • 1...Sec3
        • 2.c7#
      • 1...Sf4
        • 2.Qf5#
      • 1...Sbc3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::B(G)+P(F)
    • R(e);N_GUARD,S_CUTB(k)::S(A),XP(d)
    • S(c);S_CUTR(b)::B(G)+P(F)
    • S(c);S_CUTR(e)::QAR2(B)
  • Tries
    • Try
      • R(C);CHECK,XS(h)
      • Vars
        • R(b);P_PINR(C),P_SPINR(b)::B(G)+P(F)
      • Refutation
        • B(g);XR(C)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • R(b);N_GUARD::QAB1(B),XR(b)
      • R(e);N_GUARD,S_CUTB(k)::S(A),XP(d)
      • B(k);S_CUTR(e)::QAB(B)
      • S(c);S_CUTR(b)::B(G)+P(F)
      • S(c);S_CUTR(e)::QAR2(B)
      • S(h);S_CUTR(b)::QAB1(B)
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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).