MESON Chess Problem Database

Problem Display
PID: 38613 (r3k3/2Qp4/1P3Kp1/8/8/8/8/8 w q - 0 1)

Pustovoi, Boris

Omskaya Pravda, 1972

r3k3/2Qp4/1P3Kp1/8/8/8/8/8

#2

3 + 4

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qb8#
      • 2.Qc8#
    • 1...Ra2
      • 2.Qb8#
      • 2.Qc8#
    • 1...Ra3
      • 2.Qb8#
      • 2.Qc8#
    • 1...Ra4
      • 2.Qb8#
      • 2.Qc8#
    • 1...Ra5
      • 2.Qb8#
      • 2.Qc8#
    • 1...Ra6
      • 2.Qb8#
      • 2.Qc8#
    • 1...Ra7
      • 2.Qb8#
      • 2.Qc8#
    • 1...Rb8
      • 2.Qxb8#
    • 1...Rc8
      • 2.Qxc8#
    • 1...d5
      • 2.Qe7#
    • 1...d6
      • 2.Qe7#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qe7#
      • 1...Kd8
        • 2.Qf8#
      • 1...d6!
    • 1.Qb7?
      • threat
        • 2.Qxa8#
      • 1...Kd8
        • 2.Qxa8#
      • 1...Kf8
        • 2.Qxa8#
      • 1...Ra1
        • 2.Qc8#
        • 2.Qb8#
      • 1...Ra2
        • 2.Qc8#
        • 2.Qb8#
      • 1...Ra3
        • 2.Qc8#
        • 2.Qb8#
      • 1...Ra4
        • 2.Qc8#
        • 2.Qb8#
      • 1...Ra5
        • 2.Qc8#
        • 2.Qb8#
      • 1...Ra6
        • 2.Qc8#
        • 2.Qb8#
      • 1...Ra7
        • 2.Qc8#
        • 2.Qb8#
      • 1...Rb8
        • 2.Qxb8#
      • 1...Rc8
        • 2.Qxc8#
      • 1...d5
        • 2.Qe7#
      • 1...d6
        • 2.Qe7#
      • 1...Rd8!
    • 1.Qxd7+?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kxd7!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qe7#
      • 1...Kd8
        • 2.Qf8#
      • 1...0-0-0
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(c);N_GUARD::QAR(C),XR(c)
    • R(c);N_GUARD::QAR2(C),XR(c)
    • P(b);OGATE::QAR1(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);P-FLIGHT::QAR2(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Threat
        • QAR(C),XR(c)
      • Vars
        • K(d);P-FLIGHT::QAR(C),XR(c)
        • R(c);N_GUARD::QAR(C),XR(c)
        • R(c);N_GUARD::QAR2(C),XR(c)
        • P(b);OGATE::QAR1(C)
      • Refutation
        • R(c);
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT::QAR1(C)
      • Refutation
        • K(d);S_FLIGHT,XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(b)::QAR2(C)
      • K(d);0-0-0,OGATEB::QAR1(C)
HTML5 logo

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).