MESON Chess Problem Database

Problem Display
PID: 149766 (8/5B1b/p7/1pb1Q3/8/2Nk4/3p4/3K4 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Troll, 2013

8/5B1b/p7/1pb1Q3/8/2Nk4/3p4/3K4

#2

4 + 6

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • threat
        • 2.Sf4#
      • 1...Be4
        • 2.Qc3#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Be3!
    • 1.Qf4?
      • threat
        • 2.Qxd2#
      • 1...Kxc3
        • 2.Qxd2#
      • 1...Be3!
    • 1.Qe2+?
      • 1...Kxc3
        • 2.Qxd2#
      • 1...Kd4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sf4#
      • 1...Kc4
        • 2.Qc3#
      • 1...Be3
        • 2.Sb4#
      • 1...Bd4
        • 2.Qe2#
      • 1...Be4
        • 2.Qc3#

This anticipates 163984(2013)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • B(f);SBLOCK::QAR1(C)
        • B(d);N_GUARD::QAR1(C),XB(d)
      • Refutation
        • B(d);
    • Try
      • Q(C);
      • Threat
        • QAR1(C),XP(a)
      • Vars
        • K(b);P-FLIGHT,XS(B)::QAB1(C),XP(a)
      • Refutation
        • B(d);
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(B)::QAB1(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(b);S_FLIGHT::QAR1(C)
      • B(d);N_GUARD::S(B)
      • B(d);SBLOCK::QAB1(C)
      • B(f);SBLOCK::QAR1(C)
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).