Problem Display
PID: 175203 (8/2K5/P4P2/2Bk1p2/8/Q1pPp3/4r3/8 w - - 0 1)

Bobrov, Pavel Pavlovich

The Times, 1902

8/2K5/P4P2/2Bk1p2/8/Q1pPp3/4r3/8

#2

6 + 5


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Bxe3?
      • threat
        • 2.Qd6#
      • 1...Ke5
        • 2.Qd6#
      • 1...Ke6!
    • 1.Bb6?
      • threat
        • 2.Qd6#
      • 1...Ke5
        • 2.Qd6#
      • 1...Ke6!
    • 1.Ba7?
      • threat
        • 2.Qd6#
      • 1...Ke5
        • 2.Qd6#
      • 1...Ke6!
    • 1.Be7?
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Qd6#
      • 1...Ke5
        • 2.Qd6#
      • 1...Ke6!
    • 1.Bf8?
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Qd6#
      • 1...Ke5
        • 2.Qd6#
      • 1...Ke6!
    • 1.Qb3+?
      • 1...Kxc5
        • 2.Qc4#
      • 1...Ke5!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qd6#
      • 1...Ke6
        • 2.Qb3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);XP(c)
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT::QAR2(A)
        • K(d);P-FLIGHT::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(d);P-FLIGHT::QAR2(A)
        • K(d);P-FLIGHT::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);P-FLIGHT,XB(C)::QAR1(A)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(d);P-FLIGHT,XB(C)::QAR2(A)
      • K(d);S_FLIGHT::QAB(A)


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).