Problem Display
PID: 214576 (2B1N3/8/P3p3/2R5/1P2k1K1/1PB5/5P2/8 w - - 0 1)

Crane, Fred WC

Newark Sunday Call, 1877

2B1N3/8/P3p3/2R5/1P2k1K1/1PB5/5P2/8

#2

9 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...e5
      • 2.Bf5#
  • Tries
    • 1.Sc7?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.Sg7?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.Ba1?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.Bb2?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.Bd7?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.Rc4+?
      • 1...Kd5
        • 2.Bb7#
      • 1...Kd3!
    • 1.Ra5?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.Rb5?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.b5?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
    • 1.a7?
      • 1...e5
        • 2.Bf5#
      • 1...Kd3!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Bb7#
      • 1...exd5
        • 2.Bf5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATE::B(H)
  • Tries
    • Try
      • S(I);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(H);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • P(b);OGATE::B(H)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • S(I)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(F)::B(H)
      • P(b);OGATE,SBLOCK,XR(F)::B(H)


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).