MESON Chess Problem Database

Problem Display
PID: 170031 (Bb4r1/5Qp1/K3P3/3RPP1N/4k1p1/8/pn3p2/Br1n1N1b w - - 0 1)

Rizzetti, Dante Hugo

Enroque!!, 1946

Bb4r1/5Qp1/K3P3/3RPP1N/4k1p1/8/pn3p2/Br1n1N1b

#2

10 + 11

16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Rd2#
    • 1...Bxe5
      • 2.Rd8#
    • 1...Se3
      • 2.Sd2#
    • 1...Sd3
      • 2.Rb5#
  • Tries
    • 1.Sfg3+?
      • 1...Kf3
        • 2.Rd3#
      • 1...Ke3!
    • 1.Shg3+?
      • 1...Kf3
        • 2.Rd4#
      • 1...Kf4!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qxg4#
      • 1...Kf3
        • 2.Rd2#
      • 1...Bxe5
        • 2.Rd8#
      • 1...Bf3
        • 2.f6#
      • 1...Se3
        • 2.Sd2#
      • 1...Sd3
        • 2.Rb5#
      • 1...g3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(g);S_FLIGHT::B(J)+R(C)
    • B(j);SBLOCK,XP(D)::B(J)+R(C)
    • S(b);SBLOCK::S(B)
    • S(e);SBLOCK::B(J)+R(C)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(g);S_FLIGHT::B(J)+R(C),DCHECK
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(g);S_FLIGHT::B(J)+R(C)
      • Refutation
        • K(g);P-FLIGHT
  • Actual
    • Q(I);
    • Threat
      • QAR2(I),XP(h)
    • Vars
      • K(g);S_FLIGHT::B(J)+R(C)
      • B(j);SBLOCK,XP(D)::B(J)+R(C)
      • B(c);SBLOCK::QAB(I)+P(E)
      • S(b);SBLOCK::S(B)
      • S(e);SBLOCK::B(J)+R(C)
      • P(h);::QAR2(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).