MESON Chess Problem Database

Problem Display
PID: 201930 (1N6/6r1/R1K1k1P1/1Pp2p2/2q1BP1B/1Q6/b7/r7 w - - 0 1)

Kuzmichev, Vladimir Viktorovich

Problemskak, 2012

1N6/6r1/R1K1k1P1/1Pp2p2/2q1BP1B/1Q6/b7/r7

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb3
      • 2.Kxc5#
    • 1...Qd5+
      • 2.Bxd5#
    • 1...Rb7
      • 2.Kxb7#
    • 1...Rc7+
      • 2.Kxc7#
    • 1...Rg8
      • 2.Kb7#
      • 2.Kc7#
    • 1...Bb1
      • 2.Qxc4#
    • 1...fxe4
      • 2.Qh3#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Bd5#
      • 1...Qxb5+
        • 2.Kxb5#
      • 1...Qd5+
        • 2.Bxd5#
      • 1...Qxe4+
        • 2.Kxc5#
      • 1...Rc7+
        • 2.Kxc7#
      • 1...fxe4
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(c);N_SPINQ(c),XQ(A)::R(F)+K(G),XP(d)
    • Q(c);CHECK,N_GUARD::B(B),XQ(c)
    • R(g);::R(F)+K(G),XR(g)
    • R(g);CHECK::R(F)+K(G),XR(g)
    • B(b);N_GUARD::QAB(A),XQ(c)
    • P(e);OGATEB,XB(B)::QAB(A)
  • Actual
    • Q(A);N_PINQ(c)
    • Threat
      • QAR(A)+B(B),DCHECK
    • Vars
      • Q(c);CHECK,XP(E)::R(F)+K(G),XQ(c)
      • Q(c);CHECK::QAR(A)+B(B),DCHECK,XQ(c)
      • Q(c);CHECK,P_SPINQ(c),XB(B)::R(F)+K(G),XP(d)
      • R(g);CHECK::R(F)+K(G),XR(g)
      • P(e);OGATEB,P_SPINP(e),XB(B)::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).