Problem Display
PID: 11629 (8/8/8/6B1/2Q5/1K6/2p5/1k2n3 w - - 0 1)

Dombrovskis, Alfreds A

Mini-Matt, 1970

8/8/8/6B1/2Q5/1K6/2p5/1k2n3

#2

3 + 3


3295 Einfuhrung in die Welt des Schachproblem 1984
3296 Shakhmatny zadachi miniaturi 1987
2838 Fun with Chess Miniatures 1996

SOLUTION


  • SOUND
  • Sets
    • 1...c1Q
      • 2.Qxc1#
    • 1...c1S+
      • 2.Qxc1#
    • 1...c1B
      • 2.Qxc1#
    • 1...c1R
      • 2.Qxc1#
  • Tries
    • 1.Qxc2+?
      • 1...Ka1
        • 2.Bf6#
        • 2.Qd1#
        • 2.Qc1#
        • 2.Qa2#
        • 2.Qb2#
      • 1...Sxc2!
    • 1.Qc3?
      • threat
        • 2.Qb2#
      • 1...c1S+
        • 2.Qxc1#
      • 1...c1Q
        • 2.Qxc1#
      • 1...c1B
        • 2.Qxc1#
      • 1...Sd3!
    • 1.Qf4?
      • threat
        • 2.Qc1#
      • 1...c1S+
        • 2.Qxc1#
      • 1...Ka1
        • 2.Qc1#
      • 1...c1Q
        • 2.Qxc1#
      • 1...c1B
        • 2.Qxc1#
      • 1...c1R
        • 2.Qxc1#
      • 1...Sd3!
  • Keys
    • 1.Ka3!
      • threat
        • 2.Qa2#
      • 1...c1Q+
        • 2.Qxc1#
      • 1...c1B+
        • 2.Qxc1#
      • 1...Ka1
        • 2.Qa2#
      • 1...c1S
        • 2.Qxc1#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATE::QAR1(B),XQ(c)
    • P(c);CHECK,OGATE::QAR1(B),XS(c)
    • P(c);OGATE::QAR1(B),XB(c)
    • P(c);OGATE::QAR1(B),XR(c)
  • Tries
    • Try
      • Q(B);CHECK,XP(c)
      • Refutation
        • S(b);XQ(B)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • P(c);CHECK,OGATE::QAR1(B),XS(c)
        • P(c);OGATE::QAR1(B),XQ(c)
        • P(c);OGATE::QAR1(B),XB(c)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • P(c);CHECK::QAR1(B),XS(c)
        • K(a);P-FLIGHT::QAR2(B)
        • P(c);::QAR1(B),XQ(c)
        • P(c);::QAR1(B),XB(c)
        • P(c);::QAR1(B),XR(c)
      • Refutation
        • S(b);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAB1(B)
    • Vars
      • P(c);CHECK,OGATE::QAR1(B),XQ(c)
      • P(c);CHECK,OGATE::QAR1(B),XB(c)
      • K(a);P-FLIGHT::QAR1(B)
      • P(c);OGATE::QAR1(B),XS(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).