MESON Chess Problem Database

Problem Display
PID: 31205 (8/b2p4/b2B4/3r2p1/3k2B1/6QR/4p3/4K3 w - - 0 1)

Trcala, Stanislav

Casopis ceskoslovenskych sachistu, 1915

8/b2p4/b2B4/3r2p1/3k2B1/6QR/4p3/4K3

#2

5 + 7

3437 Stanislav Trcala Sachovy odkaz 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.Qd3#
    • 1...Bd3
      • 2.Qxd3#
    • 1...Bc4
      • 2.Qe3#
    • 1...Bb7
      • 2.Qd3#
    • 1...Bc8
      • 2.Qd3#
  • Keys
    • 1.Be6!
      • threat
        • 2.Qg4#
      • 1...Kc4
        • 2.Qd3#
      • 1...Ke4
        • 2.Qg4#
      • 1...Rxd6
        • 2.Qe3#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rf5
        • 2.Qe3#
      • 1...g4
        • 2.Qf4#
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(c);S_CUTB(e)::QAR1(B)
    • B(e);N_GUARD::QAR1(B),XB(e)
    • B(e);SBLOCK::QAB1(B)
    • B(e);N_GUARD::QAR1(B)
  • Actual
    • B(D);
    • Threat
      • QAR(B)
    • Vars
      • K(b);P-FLIGHT,P_SPINR(c)::QAB1(B)
      • K(b);P-FLIGHT::QAR2(B)
      • R(c);XB(E)::QAB1(B)
      • B(e);N_GUARD::QAR1(B),XB(e)
      • R(c);N_GUARD::QAB1(B),XR(c)
      • R(c);::QAB1(B)
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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).