Problem Display
PID: 106048 (5n2/8/1R3n2/b1P1k1P1/r4R2/p1P1N1PB/8/B3K3 w - - 0 1)

Amirov, Talip Khasanovich

Boletim da UBP, 1962

5n2/8/1R3n2/b1P1k1P1/r4R2/p1P1N1PB/8/B3K3

#2

10 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Rb4
      • 2.cxb4#
    • 1...Re4
      • 2.Rf5#
    • 1...Bb4
      • 2.cxb4#
    • 1...Bxb6
      • 2.c4#
    • 1...Se4
      • 2.Rf5#
    • 1...Sd5
      • 2.Sg4#
    • 1...Se6
      • 2.Rxe6#
    • 1...Sg6
      • 2.Re6#
    • 1...Sd7
      • 2.Re6#
    • 1...Sh7
      • 2.Re6#
  • Keys
    • 1.Rbb4!
      • threat
        • 2.c4#
      • 1...Rxb4
        • 2.cxb4#
      • 1...Bxb4
        • 2.cxb4#
      • 1...Sg4
        • 2.Rfe4#
      • 1...Se4
        • 2.Rfxe4#
      • 1...Sd5
        • 2.Sc4#
        • 2.Rfe4#
      • 1...Se6
        • 2.Rf5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(b);N_PINP(C)::B(A)+P(C),XR(b)
    • R(b);P_PINS(D),SBLOCK::R1(G)
    • B(c);::B(A)+P(C),XB(c)
    • B(c);N_PINP(C),XR(J)::B(A)+P(C)
    • S(e);SBLOCK::R1(G)
    • S(e);N_GUARD,SBLOCK::S(D)
    • S(f);N_GUARD::R1(J),XS(f)
    • S(f);N_GUARD::R1(J)
  • Actual
    • R(J);N_SPINP(C)
    • Threat
      • B(A)+P(C)
    • Vars
      • R(b);OGATE,XR(J)::B(A)+P(C),XR(b)
      • B(c);OGATE,P_PINP(C),XR(J)::B(A)+P(C),XB(c)
      • S(e);N_GUARD::R1(G)
      • S(e);N_GUARD::R1(G),XS(e)
      • S(f);SBLOCK::R1(G)


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).