MESON Chess Problem Database

Problem Display
PID: 96654 (3n1r2/7p/2p4N/3R1PB1/R1B1k3/rN5K/4Ppp1/4n1b1 w - - 0 1)

Ramon, E Pardo

Problemas, 1970

3n1r2/7p/2p4N/3R1PB1/R1B1k3/rN5K/4Ppp1/4n1b1

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sd2#
      • 2.Sc5#
    • 1...Ra2
      • 2.Sc5#
    • 1...Rxb3+
      • 2.Bxb3#
    • 1...Rxa4
      • 2.Sd2#
      • 2.Sc5#
    • 1...Sd3
      • 2.Sd2#
    • 1...Sf3
      • 2.Sc5#
  • Tries
    • 1.Rc5?
      • threat
        • 2.Bd3#
      • 1...Sd3
        • 2.Bxd3#
      • 1...Rxa4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Re5#
      • 1...Rxb3+
        • 2.Bxb3#
      • 1...Rxf5
        • 2.Rd4#
      • 1...cxd5
        • 2.Bd3#
      • 1...Re8
        • 2.Sf6#
      • 1...Bh2
        • 2.Sxf2#
      • 1...Sd3
        • 2.Sd2#
      • 1...Sf3
        • 2.Sc5#
      • 1...Sf7
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(e);N_PINS(B)::S(B)
    • R(e);CHECK,OGATE,XS(B)::R(D)+B(E),XR(e)
    • S(a);N_PINS(B)::S(B)
  • Tries
    • Try
      • R(F);
      • Threat
        • R(D)+B(E),DCHECK
      • Vars
        • S(a);N_PINS(B)::R(D)+B(E),DCHECK,XS(a)
      • Refutation
        • R(e);N_PINS(B),XR(D)
  • Actual
    • S(I);
    • Threat
      • R1(F)
    • Vars
      • R(e);CHECK,OGATE,XS(B)::R(D)+B(E),XR(e)
      • R(j);SBLOCK,XP(G)::R1(F)
      • P(g);SBLOCK,XR(F)::R(D)+B(E),DCHECK
      • R(j);N_GUARD::S(I)
      • B(b);N_GUARD::S(I),XP(c)
      • S(a);N_PINS(B)::S(B)
      • S(i);S_CUTR(j)::S(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).