MESON Chess Problem Database

Problem Display
PID: 117058 (1br2q2/5P2/8/3p1P2/6Np/6kP/5R2/Q4BK1 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Pypa, Volodimir Iosifovich

Madiar Shaktsoverched, 1983

1br2q2/5P2/8/3p1P2/6Np/6kP/5R2/Q4BK1

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Qxc3#
    • 1...Rc7
      • 2.Qe5#
    • 1...Rd8
      • 2.Qc3#
    • 1...Be5
      • 2.Qxe5#
    • 1...Ba7
      • 2.Qe5#
    • 1...Bc7
      • 2.Qc3#
  • Tries
    • 1.Qa3+?
      • 1...Rc3
        • 2.Qxc3#
      • 1...Qxa3!
  • Keys
    • 1.Sh2!
      • threat
        • 2.Rf3#
      • 1...Qa3
        • 2.Qg7#
      • 1...Qc5
        • 2.Qg7#
      • 1...Rc3
        • 2.Qxc3#
      • 1...Ba7
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD::QAR(A),XR(e)
    • R(e);S_CUTB(d)::QAB(A)
    • R(e);N_GUARD::QAR(A)
    • B(d);N_GUARD::QAB(A),XB(d)
    • B(d);N_GUARD,P_PINR(D)::QAB(A)
    • B(d);S_CUTR(e)::QAR(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR(A),XR(e)
      • Refutation
        • Q(f);XQ(A)
  • Actual
    • S(F);
    • Threat
      • R1(D)
    • Vars
      • Q(f);N_GUARD::QAR(A)
      • Q(f);N_GUARD,P_PINR(D)::QAR(A)
      • R(e);N_GUARD::QAR(A),XR(e)
      • B(d);N_GUARD,P_PINR(D)::QAB(A)
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).