MESON Chess Problem Database

Problem Display
PID: 52755 (2R5/1p1N3K/p6B/p3p3/B3k3/1RP1P2P/2p3P1/2Q4N w - - 0 1)

Borovkov, AS

Schach-Aktiv, 2004

2R5/1p1N3K/p6B/p3p3/B3k3/1RP1P2P/2p3P1/2Q4N

#2

12 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sg3+?
      • 1...Kd3
        • 2.Sxe5#
        • 2.c4#
      • 1...Kd5!
    • 1.Sc5+?
      • 1...Kf5
        • 2.Rf8#
        • 2.Qf1#
      • 1...Kd5!
    • 1.Rb5?
      • threat
        • 2.Bxc2#
        • 2.Qxc2#
      • 1...Kd3
        • 2.Qxc2#
      • 1...Kf5
        • 2.Rxe5#
      • 1...axb5!
    • 1.Rc5?
      • threat
        • 2.Qxc2#
      • 1...Kf5
        • 2.Rxe5#
      • 1...Kd3!
  • Keys
    • 1.Rb6!
      • 1...Kd3
        • 2.Qxc2#
      • 1...Kd5
        • 2.Sf6#
      • 1...Kf5
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(J);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAB1(A),XP(a)
        • K(b);P_SPINP(d),S_FLIGHT::R1(D),XP(d)
      • Refutation
        • P(e);XR(D)
    • Try
      • R(L);
      • Threat
        • QAB(A),XP(a)
      • Vars
        • K(b);P_SPINP(d),S_FLIGHT::R1(L),XP(d)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(b);S_FLIGHT::QAB1(A),XP(a)
      • K(b);S_FLIGHT::S(J)
      • K(b);S_FLIGHT::S(B)
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).