MESON Chess Problem Database

Problem Display
PID: 229231 (n7/K3QBpp/2p1r1bq/4Bp1p/2k2nPR/RpN1p3/rp2P3/bN6 w - - 0 1)

Schoblocher, Miklos

Ujsag, 1926

n7/K3QBpp/2p1r1bq/4Bp1p/2k2nPR/RpN1p3/rp2P3/bN6

#2

10 + 16

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa3+
      • 2.Sxa3#
    • 1...Sg2
      • 2.Bxe6#
    • 1...Sd3
      • 2.Bxe6#
    • 1...Sh3
      • 2.Bxe6#
  • Keys
    • 1.g5!
      • threat
        • 2.Bxe6#
        • 2.Rxf4#
      • 1...Rxa3+
        • 2.Sxa3#
      • 1...Qxg5
        • 2.Bxe6#
      • 1...Bxf7
        • 2.Rxf4#
      • 1...c5
        • 2.Rxf4#
      • 1...Sb6
        • 2.Rxf4#
      • 1...Sc7
        • 2.Rxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(b);CHECK,XR(C)::S(A),XR(b)
    • S(g);N_GUARD::B(J),XR(k)
  • Actual
    • P(E);P_PINS(g)
    • Threat
      • DUALS(2)
    • Vars
      • R(b);CHECK,XR(C)::S(A),XR(b)
      • Q(m);XP(E)::B(J),XR(k)
      • B(l);N_SPINR(k),XB(J)::R(F),XS(g)
      • P(j);::R(F),XS(g)
      • S(p);::R(F),XS(g)
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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).