MESON Chess Problem Database

Problem Display
PID: 212621 (1B5K/R6p/3Nkp2/7n/1p6/5Qp1/3bn3/1q1R4 w - - 0 1)

Juricek, Stanislav

Sachova skladba, 2019

1B5K/R6p/3Nkp2/7n/1p6/5Qp1/3bn3/1q1R4

#2

6 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Qe4#
      • 2.Qf5#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Qf5
      • 2.Qxf5#
    • 1...Qa1
      • 2.Qf5#
    • 1...Qc1
      • 2.Qe4#
      • 2.Qf5#
    • 1...Qxd1
      • 2.Qe4#
      • 2.Qf5#
    • 1...Qb2
      • 2.Qf5#
    • 1...Qb3
      • 2.Qe4#
      • 2.Qf5#
    • 1...Bc1
      • 2.Qd5#
    • 1...Be1
      • 2.Qd5#
    • 1...Bc3
      • 2.Qd5#
    • 1...Be3
      • 2.Qd5#
    • 1...Bf4
      • 2.Qd5#
    • 1...Bg5
      • 2.Qd5#
    • 1...Bh6
      • 2.Qd5#
  • Tries
    • 1.Rxb1?
      • threat
        • 2.Qe4#
        • 2.Qf5#
      • 1...Ke5
        • 2.Qe4#
      • 1...f5
        • 2.Qxf5#
      • 1...Bc3
        • 2.Qf5#
      • 1...Sc3
        • 2.Qf5#
      • 1...Sd4
        • 2.Qe4#
      • 1...Sef4
        • 2.Qe4#
      • 1...Shf4
        • 2.Qe4#
      • 1...Sg7
        • 2.Qe4#
      • 1...Bf4!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Re7#
      • 1...Qxf5
        • 2.Qc6#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Bf4
        • 2.Qd5#
      • 1...Sef4
        • 2.Sd4#
      • 1...Shf4
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD::QAR2(B),XQ(a)
    • Q(a);N_GUARD::QAB1(B),XQ(a)
    • Q(a);N_GUARD::QAB1(B)
    • B(b);::QAB1(B)
  • Tries
    • Try
      • R(A);XQ(a)
      • Threat
        • DUALS(2)
      • Vars
        • K(g);P-FLIGHT::QAR1(B)
        • P(h);::QAB1(B),XP(h)
        • B(b);::QAB1(B)
        • S(c);::QAB1(B)
        • S(c);::QAR2(B)
        • S(f);::QAR2(B)
      • Refutation
        • B(b);
  • Actual
    • S(C);
    • Threat
      • R1(D)
    • Vars
      • Q(a);SBLOCK,XS(C)::QAR2(B)
      • Q(a);N_GUARD::QAR2(B),XQ(a)
      • B(b);::QAB1(B)
      • S(c);N_GUARD::S(C)
      • S(f);N_GUARD::S(C)
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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).