MESON Chess Problem Database

Problem Display
PID: 45739 (5B2/8/5Np1/3R2K1/2kPb3/2pR1p2/2p1P3/2N2B2 w - - 0 1)

Steiner, Paul

StrateGems, 2002

5B2/8/5Np1/3R2K1/2kPb3/2pR1p2/2p1P3/2N2B2

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.exd3#
  • Tries
    • 1.Ba3?
      • threat
        • 2.Rc5#
      • 1...Bxd3
        • 2.exd3#
      • 1...Bxd5!
    • 1.exf3?
      • 1...Bxd3
        • 2.Bxd3#
      • 1...Bxf3
        • 2.Rxf3#
      • 1...Bxd5
        • 2.Rd1#
        • 2.Rd2#
      • 1...Bf5!
  • Keys
    • 1.Rxf3!
      • 1...Bxf3
        • 2.exf3#
      • 1...Bxd5
        • 2.e3#
      • 1...Bd3
        • 2.exd3#
      • 1...Bf5
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(e);OGATE,XR(D)::P(C),XB(e)
  • Tries
    • Try
      • B(I);
      • Threat
        • R1(F)
      • Vars
        • B(e);OGATE,XR(D)::P(C),XB(e)
      • Refutation
        • B(e);XR(F)
    • Try
      • P(C);XP(c)
      • Vars
        • B(e);OGATE,P_SPINB(e),XR(D)::B(B),XB(e)
        • B(e);OGATE,XP(C)::B(B)+R(D),XB(e)
      • Refutation
        • B(e);
  • Actual
    • R(D);XP(c)
    • Vars
      • B(e);OGATE,XR(D)::B(B)+P(C),XB(e)
      • B(e);N_GUARD,XR(F)::B(B)+P(C)
      • B(e);OGATE::P(C),XB(e)
      • B(e);OGATE::B(B)+P(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).