Problem Display
PID: 243115 (N2B4/bPRp2p1/bPPk3P/p7/1n1P1pB1/2Np3R/2Q5/6nK w - - 0 1)

Armeni, Alberto

Gaudium, 2013

N2B4/bPRp2p1/bPPk3P/p7/1n1P1pB1/2Np3R/2Q5/6nK

#2

13 + 10


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Sd5
      • 2.Se4#
    • 1...Sxc6
      • 2.Rxd7#
    • 1...d2
      • 2.Qg6#
    • 1...f3
      • 2.Qh2#
    • 1...dxc6
      • 2.Be7#
      • 2.Rd7#
    • 1...gxh6
      • 2.Rxh6#
  • Tries
    • 1.Sb5+?
      • 1...Bxb5
        • 2.Rxd7#
        • 2.Qc5#
      • 1...Kd5!
    • 1.Qa4?
      • threat
        • 2.Rxd7#
      • 1...dxc6
        • 2.Be7#
        • 2.Rd7#
      • 1...Bb5!
    • 1.Qg2?
      • threat
        • 2.Rxd7#
      • 1...dxc6
        • 2.Be7#
        • 2.Rd7#
      • 1...Sd5
        • 2.Se4#
        • 2.Qxd5#
      • 1...f3
        • 2.Qh2#
        • 2.Qg3#
      • 1...Sf3!
  • Keys
    • 1.Re3!
      • threat
        • 2.Be7#
      • 1...Sxc6
        • 2.Rxd7#
      • 1...fxe3
        • 2.Qh2#
      • 1...Sd5
        • 2.Se4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(c);SBLOCK::S(C)
    • S(c);SBLOCK,XP(H)::R1(K),XP(i)
    • P(b);OGATE::QAR(B)
    • P(d);OGATEB::QAB(B)
    • P(j);OGATE,XP(I)::R(D),XP(j)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • R1(K),XP(i)
      • Refutation
        • B(f);
    • Try
      • Q(B);
      • Threat
        • R1(K),XP(i)
      • Refutation
        • S(a);
  • Actual
    • R(D);
    • Threat
      • B(M)
    • Vars
      • S(c);SBLOCK,XP(H)::R1(K),XP(i)
      • P(d);OGATEB,XR(D)::QAB(B)
      • S(c);SBLOCK::S(C)


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).