MESON Chess Problem Database

Problem Display
PID: 221467 (8/8/8/6K1/4b3/R7/3kP1Q1/6R1 w - - 0 1)

Javadzade, Salman

SuperProblem, 2019

8/8/8/6K1/4b3/R7/3kP1Q1/6R1

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.e3#
      • 2.e4#
    • 1...Bc2
      • 2.e3#
      • 2.e4#
    • 1...Bf3
      • 2.exf3#
    • 1...Bd5
      • 2.e4#
    • 1...Bf5
      • 2.e3#
      • 2.e4#
    • 1...Bc6
      • 2.e4#
    • 1...Bg6
      • 2.e3#
      • 2.e4#
    • 1...Bb7
      • 2.e4#
    • 1...Bh7
      • 2.e3#
      • 2.e4#
    • 1...Ba8
      • 2.e4#
  • Tries
    • 1.Qf1?
      • threat
        • 2.Qd1#
      • 1...Kc2
        • 2.Qc1#
      • 1...Bc2
        • 2.Qe1#
      • 1...Bd3!
  • Keys
    • 1.Qf2!
      • threat
        • 2.e3#
      • 1...Kc2
        • 2.e3#
      • 1...Bd3
        • 2.exd3#
      • 1...Bf3
        • 2.exf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(b);OGATE::QAR(C)+P(B),XB(b)
    • B(b);OGATE::QAR(C)+P(B)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • B(b);SBLOCK::QAB1(C)
      • Refutation
        • B(b);
  • Actual
    • Q(C);
    • Threat
      • QAR(C)+P(B)
    • Vars
      • K(a);P-FLIGHT::QAR(C)+P(B)
      • B(b);OGATE::QAR(C)+P(B),XB(b)
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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).