MESON Chess Problem Database

Problem Display
PID: 40667 (8/K3Q3/1p2P3/1Pp2p1n/3k1N1R/p1N2P2/1BPPq1r1/4RB2 w - - 0 1)

Barnes, Barry Peter

Burger-70 JT, 2002

8/K3Q3/1p2P3/1Pp2p1n/3k1N1R/p1N2P2/1BPPq1r1/4RB2

#2

13 + 8

4199 Barnes about Chess Problems 2001
56 The Problemist 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sd3#
    • 1...Qd1
      • 2.Qd6#
      • 2.Qd8#
      • 2.Qd7#
    • 1...Qc4
      • 2.Sce2#
    • 1...Qxb5
      • 2.Sxb5#
      • 2.Qd6#
    • 1...Qxe1
      • 2.Qd6#
    • 1...Qxd2
      • 2.Qd6#
      • 2.Qd8#
      • 2.Qd7#
    • 1...Qf2
      • 2.Qd6#
      • 2.Qd8#
      • 2.Qd7#
    • 1...Qe3
      • 2.Qd6#
    • 1...Qe5
      • 2.Sfe2#
    • 1...Qxe6
      • 2.Sxe6#
    • 1...c4
      • 2.Scxe2#
      • 2.Qd6#
  • Keys
    • 1.Kxb6!
      • threat
        • 2.Qxc5#
      • 1...Qxb5+
        • 2.Sxb5#
      • 1...Qxe6+
        • 2.Sxe6#
      • 1...Kc4
        • 2.Qxc5#
      • 1...Ke5
        • 2.Sd3#
      • 1...Qc4
        • 2.Sce2#
      • 1...Qe5
        • 2.Sfe2#
      • 1...c4
        • 2.Scxe2#
        • 2.Qc5#
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(d);P_SPINQ(a),S_FLIGHT::S(H)
    • Q(a);SBLOCK::B(C)+S(F),DCHECK
    • Q(a);XR(A)::QAR2(M)
    • Q(a);::QAR2(M)
    • Q(a);SBLOCK::R(I)+S(H),DCHECK
    • Q(a);XP(K)::R(I)+S(H),DCHECK,XQ(a)
  • Actual
    • K(L);S_FLIGHT,XP(h)
    • Threat
      • QAB1(M),XP(e)
    • Vars
      • Q(a);CHECK,XP(J)::B(C)+S(F),DCHECK,XQ(a)
      • Q(a);CHECK,XP(K)::R(I)+S(H),DCHECK,XQ(a)
      • K(d);P-FLIGHT,P_SPINQ(a)::QAR1(M),XP(e)
      • K(d);P_SPINQ(a),S_FLIGHT::S(H)
      • Q(a);SBLOCK::B(C)+S(F),DCHECK
      • Q(a);SBLOCK::R(I)+S(H),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).