MESON Chess Problem Database

Problem Display
PID: 173694 (8/4p1N1/B1p2p2/K1k2bnR/3R1Q2/1p1rr3/5n2/4N1B1 w - - 0 1)

Boros, Sandor

Magyar Sakkvilag, 1934

8/4p1N1/B1p2p2/K1k2bnR/3R1Q2/1p1rr3/5n2/4N1B1

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Se6#
    • 1...Se4
      • 2.Se6#
    • 1...e6
      • 2.Qd6#
  • Keys
    • 1.Rd6!
      • threat
        • 2.Qb4#
      • 1...Rxd6
        • 2.Qc4#
      • 1...exd6
        • 2.Qc4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Re4
        • 2.Sxd3#
      • 1...Be4
        • 2.Se6#
      • 1...Sfe4
        • 2.Sxd3#
      • 1...Sge4
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD,P_SPINS(g),S_CUTR(d)::S(H)
    • S(g);N_GUARD,P_SPINB(f),S_CUTR(d)::S(H)
    • P(j);N_GUARD::QAB1(D)
  • Actual
    • R(C);
    • Threat
      • QAB1(D)
    • Vars
      • R(c);SBLOCK,XR(C)::QAR1(D)
      • P(j);SBLOCK,XR(C)::QAR1(D)
      • R(c);N_GUARD::QAB1(D),XR(c)
      • R(d);N_GUARD,P_SPINS(a),S_CUTB(f)::S(A),XR(c)
      • B(f);N_GUARD,P_SPINS(g),S_CUTR(d)::S(H)
      • S(a);N_GUARD,P_SPINR(d),S_CUTB(f)::S(A),XR(c)
      • S(g);N_GUARD,P_SPINB(f),S_CUTR(d)::S(H)
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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).