MESON Chess Problem Database

Problem Display
PID: 196359 (8/r2B4/8/p7/2p5/kp1p4/3Q4/B1nK4 w - - 0 1)

Kuzmichev, Aleksandr

Sachova skladba, 1986

8/r2B4/8/p7/2p5/kp1p4/3Q4/B1nK4

#2

4 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Qxa5#
    • 1...Rc7
      • 2.Qxa5#
    • 1...Rxd7
      • 2.Qxa5#
    • 1...Sa2
      • 2.Bb2#
    • 1...b2
      • 2.Qxb2#
  • Tries
    • 1.Bc3?
      • threat
        • 2.Qb2#
      • 1...b2
        • 2.Qxb2#
      • 1...Rxd7!
    • 1.Be5?
      • threat
        • 2.Bd6#
      • 1...Rxd7
        • 2.Qxa5#
      • 1...b2
        • 2.Qxb2#
      • 1...Rb7
        • 2.Qxa5#
      • 1...Rc7
        • 2.Qxa5#
      • 1...Sa2
        • 2.Bb2#
      • 1...Ra6!
    • 1.Bf6?
      • threat
        • 2.Be7#
      • 1...Rxd7
        • 2.Qxa5#
      • 1...b2
        • 2.Qxb2#
      • 1...Rb7
        • 2.Qxa5#
      • 1...Rc7
        • 2.Qxa5#
      • 1...Sa2
        • 2.Bb2#
      • 1...Ra6!
    • 1.Qxc1+?
      • 1...Ka2
        • 2.Qb2#
      • 1...b2
        • 2.Qxb2#
      • 1...Kb4!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Bc5#
      • 1...Rxd7
        • 2.Qxa5#
      • 1...b2
        • 2.Qxb2#
      • 1...Rb7
        • 2.Qxa5#
      • 1...Rc7
        • 2.Qxa5#
      • 1...Sa2
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD::QAR2(C),XP(f)
    • R(g);N_GUARD,XB(D)::QAR2(C),XP(f)
    • S(a);SBLOCK::B(A)
    • P(c);::QAB1(C),XP(c)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAB1(C)
      • Vars
        • P(c);::QAB1(C),XP(c)
      • Refutation
        • R(g);XB(D)
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • R(g);N_GUARD,XB(D)::QAR2(C),XP(f)
        • P(c);::QAB1(C),XP(c)
        • R(g);N_GUARD::QAR2(C),XP(f)
        • S(a);SBLOCK::B(A)
      • Refutation
        • R(g);
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • R(g);N_GUARD,XB(D)::QAR2(C),XP(f)
        • P(c);::QAB1(C),XP(c)
        • R(g);N_GUARD::QAR2(C),XP(f)
        • S(a);SBLOCK::B(A)
      • Refutation
        • R(g);
    • Try
      • Q(C);CHECK,XS(a)
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
        • P(c);P_SPINP(c)::QAB1(C),XP(c)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • B(A)
    • Vars
      • R(g);N_GUARD,XB(D)::QAR2(C),XP(f)
      • P(c);::QAB1(C),XP(c)
      • R(g);N_GUARD::QAR2(C),XP(f)
      • S(a);SBLOCK::B(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).