MESON Chess Problem Database

Problem Display
PID: 264639 (1B6/1KR5/4p3/1p2np1n/1p2BkNP/b2QN3/r6P/8 w - - 0 1)

Mosiashvili, Givi

Zadachi i Etyudi, 2009

1B6/1KR5/4p3/1p2np1n/1p2BkNP/b2QN3/r6P/8

#2

9 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sg2+?
      • 1...Kxg4
        • 2.h3#
      • 1...Rxg2!
    • 1.Rc4?
      • threat
        • 2.Bxe5#
      • 1...fxe4
        • 2.Qxe4#
      • 1...Bb2
        • 2.Qf1#
      • 1...fxg4!
    • 1.Rg7?
      • threat
        • 2.Bxe5#
      • 1...fxg4
        • 2.Rxg4#
      • 1...Bb2
        • 2.Sg2#
      • 1...fxe4!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Bxe5#
      • 1...fxe4
        • 2.Qf1#
      • 1...fxg4
        • 2.Sg2#
      • 1...Bb2
        • 2.Rf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);P-FLIGHT,S_CUTR(a),XS(E)::P(A)
      • Refutation
        • R(a);XS(C)
    • Try
      • R(H);P_PINS(f)
      • Threat
        • B(I),XS(f)
      • Vars
        • P(g);OGATE,P_SPINP(g),XB(D)::QAR1(B),XP(g)
        • B(b);S_CUTR(a)::QAR(B)
      • Refutation
        • P(g);XS(E)
    • Try
      • R(H);P_PINS(f)
      • Threat
        • B(I),XS(f)
      • Vars
        • P(g);OGATE,XS(E)::R1(H),XP(g)
        • B(b);S_CUTR(a)::S(C)
      • Refutation
        • P(g);XB(D)
  • Actual
    • R(H);P_PINS(f)
    • Threat
      • B(I),XS(f)
    • Vars
      • P(g);SBLOCK,XB(D)::QAR(B)
      • P(g);SBLOCK,XS(E)::S(C)
      • B(b);S_CUTR(a)::R(H)
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).