MESON Chess Problem Database

Problem Display
PID: 182834 (8/4K1B1/2P3N1/1P2pR1B/2pk1p2/P1Nn4/4pp2/3QR3 w - - 0 1)

Bosma, Rinke

Sp. HM., Belliboni-Faria Festival, 1989

8/4K1B1/2P3N1/1P2pR1B/2pk1p2/P1Nn4/4pp2/3QR3

#2

11 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Bxe5+?
      • 1...Ke3
        • 2.Rxe2#
        • 2.Qxe2#
      • 1...Kc5!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sg4#
      • 1...Kxc3
        • 2.Sxd3#
      • 1...Ke3
        • 2.Sxc4#
      • 1...Kc5
        • 2.Sd7#
      • 1...exd1Q
        • 2.Sf3#
      • 1...exd1S
        • 2.Sf3#
      • 1...exd1B
        • 2.Sf3#
      • 1...exd1R
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(K);CHECK,XP(g)
      • Refutation
        • K(e);N_SPINS(c),S_FLIGHT
  • Actual
    • S(I);XP(g)
    • Threat
      • B(K)+S(I)
    • Vars
      • K(e);N_SPINS(c),S_FLIGHT,XS(D)::B(K)+S(I),XS(c)
      • K(e);N_SPINS(c),P_SPINP(a),S_FLIGHT::S(I),XP(d)
      • K(e);N_SPINS(c),S_FLIGHT::R(F)+S(I),DCHECK
      • P(a);N_SPINS(c),XQ(A)::B(K)+S(I),DCHECK
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).