MESON Chess Problem Database

Problem Display
PID: 152880 (3Q4/8/8/4B3/N7/1K6/1P6/k1b5 w - - 0 1)

Markovtsy, Vassyl Yuriovich

11/20 HM., Bron MT, 1992

3Q4/8/8/4B3/N7/1K6/1P6/k1b5

#2

5 + 2

145 StrateGems 2014
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb2
      • 2.Qd1#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Qa5#
        • 2.Qa8#
      • 1...Be3
        • 2.Qa5#
      • 1...Bxb2!
    • 1.Qa8?
      • threat
        • 2.Sc3#
      • 1...Kb1
        • 2.Sc3#
      • 1...Bxb2
        • 2.Qh1#
      • 1...Be3!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Sc3#
      • 1...Kb1
        • 2.Sc3#
      • 1...Bxb2
        • 2.Qe1#

Anticipated by 227345(1984)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATEB,P_SPINB(b),XP(A)::QAR(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(b);::QAR(E)
      • Refutation
        • B(b);XP(A)
    • Try
      • Q(E);
      • Threat
        • QAR(E)+S(C)
      • Vars
        • K(a);P-FLIGHT::S(C)
        • B(b);OGATEB,P_SPINB(b),XP(A)::QAB1(E)
      • Refutation
        • B(b);
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+S(C)
    • Vars
      • K(a);P-FLIGHT::S(C)
      • B(b);OGATEB,P_SPINB(b),XP(A)::QAR(E)
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).