MESON Chess Problem Database

Problem Display
PID: 259097 (8/8/8/8/5Qp1/1P1N2p1/1K2kpN1/3b3B w - - 0 1)

Bolotbekov, Sujunbek Ismailovich

Buletin Problemistic, 1989

8/8/8/8/5Qp1/1P1N2p1/1K2kpN1/3b3B

#2

6 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Qe3#
    • 1...f1Q
      • 2.Sc1#
      • 2.Qe3#
    • 1...f1S
      • 2.Sc1#
    • 1...f1B
      • 2.Sc1#
      • 2.Qe3#
    • 1...f1R
      • 2.Sc1#
      • 2.Qe3#
  • Tries
    • 1.Qd2+?
      • 1...Kf1
        • 2.Qxd1#
      • 1...Kf3
        • 2.Sge1#
        • 2.Sh4#
        • 2.Qe3#
      • 1...Kxd2!
    • 1.Qe5+?
      • 1...Kd2
        • 2.Qe3#
      • 1...Kxd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Sge1#
        • 2.Sh4#
        • 2.Qe3#
      • 1...Kf1!
    • 1.Qxf2+?
      • 1...Kxd3
        • 2.Se1#
        • 2.Sf4#
        • 2.Qe3#
      • 1...gxf2!
    • 1.Qe4+?
      • 1...Kd2
        • 2.Qe3#
      • 1...Kf1!
  • Keys
    • 1.Qc1!
      • 1...Kf1
        • 2.Qxd1#
      • 1...Kxd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Qe3#
      • 1...Bxb3
        • 2.Sgf4#
      • 1...f1Q
        • 2.Qe3#
      • 1...f1S
        • 2.Sgf4#
      • 1...f1B
        • 2.Sgf4#
        • 2.Qe3#
      • 1...f1R
        • 2.Qe3#
      • 1...Bc2
        • 2.Sgf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,S_FLIGHT,XS(E)::QAR1(F)
    • P(c);::S(E)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR2(F),XB(a)
      • Refutation
        • K(b);P-FLIGHT,XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAB1(F)
        • K(b);N_GUARD,S_FLIGHT,XS(E)::QAR1(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK,XP(c)
      • Refutation
        • P(d);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAB1(F)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(b);N_GUARD,P_SPINB(a),S_FLIGHT::QAR2(F),XB(a)
      • K(b);N_GUARD,S_FLIGHT,XS(E)::QAR1(F)
      • K(b);N_GUARD,S_FLIGHT::QAR1(F)
      • B(a);XP(D)::S(C)
      • P(c);SBLOCK::QAR1(F)
      • P(c);SBLOCK::S(C)
      • B(a);::S(C)
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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).