MESON Chess Problem Database

Problem Display
PID: 259723 (6r1/2pPR1Q1/BN6/1P6/n2B1p2/N2k2p1/1P6/Rn2K3 w Q - 0 1)

Uris, Miguel

Tolosa-100 MT (Problemas), 2016

6r1/2pPR1Q1/BN6/1P6/n2B1p2/N2k2p1/1P6/Rn2K3

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa3
      • 2.0-0-0#
    • 1...f3
      • 2.Re3#
    • 1...c5
      • 2.bxc5 ep#
    • 1...c6
      • 2.bxc6#
  • Tries
    • 1.Bf2?
      • threat
        • 2.Qd4#
      • 1...Rxg7
        • 2.d8Q#
        • 2.d8R#
      • 1...Sxa3
        • 2.0-0-0#
      • 1...c5
        • 2.bxc5 ep#
      • 1...gxf2+!
    • 1.Bc5?
      • threat
        • 2.Qd4#
      • 1...Rxg7
        • 2.d8Q#
        • 2.d8R#
      • 1...Sxa3
        • 2.0-0-0#
      • 1...Sxc5!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Qd4#
      • 1...Rxg7
        • 2.d8Q#
        • 2.d8R#
      • 1...Sxa3
        • 2.0-0-0#
      • 1...c5
        • 2.bxc5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • S(a);XS(D)::0-0-0
    • P(e);N_GUARD::R1(J)
    • P(f);OGATE::B(G)+P(F),XP(f),EP
    • P(f);OGATE::B(G)+P(F),XP(f)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR1(K)
      • Vars
        • R(g);N_GUARD,XQ(K)::P=Q
        • S(a);XS(D)::0-0-0
        • P(f);OGATE::B(G)+P(F),XP(f),EP
      • Refutation
        • P(c);CHECK,XB(E)
    • Try
      • B(E);
      • Threat
        • QAR1(K)
      • Vars
        • R(g);N_GUARD,XQ(K)::P=Q
        • S(a);XS(D)::0-0-0
      • Refutation
        • S(d);XB(E)
  • Actual
    • B(E);
    • Threat
      • QAR1(K)
    • Vars
      • R(g);N_GUARD,XQ(K)::P=Q
      • S(a);XS(D)::0-0-0
      • P(f);OGATE::B(G)+P(F),XP(f),EP
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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).