MESON Chess Problem Database

Problem Display
PID: 160083 (8/8/3Q4/1K6/8/Rp6/1k6/2N5 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

8/8/3Q4/1K6/8/Rp6/1k6/2N5

#2

4 + 2

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3?
      • 1...Kxa3
        • 2.Qxb3#
      • 1...Kxc1!
  • Keys
    • 1.Qd1!
      • 1...Kb1
        • 2.Sd3#
      • 1...Kxa3
        • 2.Qxb3#
      • 1...Kc3
        • 2.Rxb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT,XR(B)::QAR1(D),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
  • Actual
    • Q(D);
    • Vars
      • K(a);P-FLIGHT::QAR(D)+S(A)
      • K(a);S_FLIGHT,XR(B)::QAR1(D),XP(b)
      • K(a);P_SPINP(b),S_FLIGHT::R1(B),XP(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).