MESON Chess Problem Database

Problem Display
PID: 138891 (8/4K3/3N3p/2p1k2p/2P4P/4p2P/2n3N1/6Q1 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Shakhmatny vechera, 1901

8/4K3/3N3p/2p1k2p/2P4P/4p2P/2n3N1/6Q1

#2

7 + 6

14666 Aleksandr Galitzky - Shakhmaty Geine (Vol 1) 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Qxe3#
      • 2.Qxa1#
    • 1...Se1
      • 2.Qxe3#
    • 1...Sa3
      • 2.Qxe3#
      • 2.Qa1#
    • 1...Sb4
      • 2.Qxe3#
      • 2.Qa1#
    • 1...Sd4
      • 2.Qh2#
      • 2.Qxe3#
    • 1...e2
      • 2.Qxc5#
  • Tries
    • 1.Sf4?
      • 1...Kd4
        • 2.Qg7#
      • 1...Sa1
        • 2.Qxe3#
      • 1...Se1
        • 2.Qxe3#
      • 1...Sa3
        • 2.Qxe3#
      • 1...Sb4
        • 2.Qxe3#
      • 1...Sd4
        • 2.Sd3#
        • 2.Sg6#
        • 2.Qxe3#
      • 1...e2
        • 2.Sd3#
        • 2.Sg6#
      • 1...Kxf4!
    • 1.Qc1?
      • 1...Sa1
        • 2.Qb2#
        • 2.Qxe3#
        • 2.Qxa1#
        • 2.Qc3#
      • 1...Se1
        • 2.Qb2#
        • 2.Qxe3#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Sa3
        • 2.Qb2#
        • 2.Qxe3#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Sb4
        • 2.Qb2#
        • 2.Qxe3#
        • 2.Qa1#
        • 2.Qc3#
      • 1...Sd4
        • 2.Qxe3#
      • 1...e2
        • 2.Qf4#
      • 1...Kd4!
    • 1.Qd1?
      • threat
        • 2.Qd5#
      • 1...Sb4
        • 2.Qa1#
      • 1...Sd4!
  • Keys
    • 1.Se1!
      • 1...Kd4
        • 2.Qg7#
      • 1...Kf4
        • 2.Qh2#
      • 1...Sxe1
        • 2.Qxe3#
      • 1...Sa1
        • 2.Qxe3#
      • 1...Sa3
        • 2.Qxe3#
      • 1...Sb4
        • 2.Qxe3#
      • 1...Sd4
        • 2.Sd3#
        • 2.Qh2#
        • 2.Qxe3#
        • 2.Qg3#
      • 1...e2
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::QAR2(A),XP(b)
    • P(b);OGATE::QAR2(A),XP(c)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
        • S(a);N_GUARD::QAR2(A),XP(b)
      • Refutation
        • K(d);S_FLIGHT,XS(B)
    • Try
      • Q(A);
      • Vars
        • S(a);N_GUARD::QAR2(A),XP(b)
        • P(b);OGATE::QAB1(A)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • S(a);N_GUARD::QAB(A)
      • Refutation
        • S(a);
  • Actual
    • S(B);
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
      • K(d);S_FLIGHT::QAB(A)
      • S(a);N_GUARD,XS(B)::QAR2(A),XP(b)
      • S(a);N_GUARD::QAR2(A),XP(b)
      • P(b);::S(B)
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).