MESON Chess Problem Database

Problem Display
PID: 59237 (Q7/8/8/B7/1R6/2kp2K1/2p5/8 w - - 0 1)

Savenok, Aleksandr Antolovich

Troll, 2000

Q7/8/8/B7/1R6/2kp2K1/2p5/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Qf3#
  • Tries
    • 1.Rb5+?
      • 1...Kc4
        • 2.Qd5#
      • 1...Kd4!
  • Keys
    • 1.Qh1!
      • 1...Kd2
        • 2.Re4#
      • 1...c1Q
        • 2.Qxc1#
      • 1...c1S
        • 2.Qxc1#
      • 1...c1B
        • 2.Qxc1#
      • 1...c1R
        • 2.Qxc1#
      • 1...d2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,SBLOCK::QAR(D)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(b);S_FLIGHT::B(C)+R(B)
      • P(a);OGATEB::QAR2(D),XQ(a)
      • P(a);OGATEB::QAR2(D),XS(a)
      • P(a);OGATEB::QAR2(D),XB(a)
      • P(a);OGATEB::QAR2(D),XR(a)
      • P(c);OGATEB,SBLOCK::QAR(D)
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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).