MESON Chess Problem Database

Problem Display
PID: 124489 (2n5/1b6/8/2p3pN/2Bk2P1/P2P1p2/5P1Q/3K4 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Sachova skladba, 1987

2n5/1b6/8/2p3pN/2Bk2P1/P2P1p2/5P1Q/3K4

#2

8 + 6

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qe5#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Qh8#
      • 1...Kc3
        • 2.Qh8#
      • 1...Ke5!
    • 1.Sf4?
      • threat
        • 2.Qh8#
      • 1...Kc3
        • 2.Qh8#
      • 1...Ke5!
    • 1.Qf4+?
      • 1...Kc3
        • 2.Qe5#
        • 2.Qf6#
      • 1...Be4
        • 2.Qf6#
      • 1...gxf4!
    • 1.Qd6+?
      • 1...Kc3
        • 2.Qe5#
        • 2.Qf6#
      • 1...Bd5
        • 2.Qf6#
      • 1...Sxd6!
    • 1.Qc7?
      • threat
        • 2.Qg7#
      • 1...Kc3
        • 2.Qe5#
        • 2.Qg7#
      • 1...Se7!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Qe5#
      • 1...Sd6
        • 2.Qh8#
      • 1...Be4
        • 2.Qb2#
      • 1...Bd5
        • 2.Qb2#
      • 1...Ba6
        • 2.Qb2#
      • 1...Bc6
        • 2.Qb2#
      • 1...Ba8
        • 2.Qb2#
      • 1...Sb6
        • 2.Qh8#
      • 1...Sa7
        • 2.Qh8#
      • 1...Se7
        • 2.Qh8#

Anticipated by 120062(1903)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(C)
  • Tries
    • Try
      • S(H);
      • Threat
        • QAB(C)
      • Vars
        • K(b);S_FLIGHT::QAB(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(H);
      • Threat
        • QAB(C)
      • Vars
        • K(b);S_FLIGHT::QAB(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • B(e);P_SPINB(e)::QAB(C)
      • Refutation
        • P(d);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • B(e);P_SPINB(e)::QAB(C)
      • Refutation
        • S(f);XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Refutation
        • S(f);
  • Actual
    • Q(C);
    • Vars
      • K(b);S_FLIGHT::QAB(C)
      • S(f);OGATE::QAB(C)
      • B(e);OGATE::QAB(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).