MESON Chess Problem Database

Problem Display
PID: 256423 (8/8/K1P5/2k2p2/1p3B2/1p6/BR4Q1/8 w - - 0 1)

Gladtsinov, Vladimir

Astafyeva-30 JT (Kudesnik), 2021

8/8/K1P5/2k2p2/1p3B2/1p6/BR4Q1/8

#2

6 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rc2+?
      • 1...bxc2
        • 2.Qd5#
      • 1...Kd4!
    • 1.Qe4?
      • 1...bxa2
        • 2.Rc2#
      • 1...fxe4!
  • Keys
    • 1.Qd2!
      • 1...Kc4
        • 2.Rc2#
      • 1...Kxc6
        • 2.Qd6#
      • 1...bxa2
        • 2.Rc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • P(a);XR(B)::QAR1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(a);N_GUARD,XB(A)::R(B)
      • Refutation
        • P(d);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(c);P-FLIGHT,P_SPINP(a)::R(B)
      • K(c);N_GUARD,P-FLIGHT,XP(F)::QAR1(C)
      • P(a);N_GUARD,XB(A)::R(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).