MESON Chess Problem Database

Problem Display
PID: 201685 (3R3b/1p1Q4/6p1/4p2b/rp2k1Nn/4P3/1r1PK3/1N2n3 w - - 0 1)

Bezdan, Geza

Magyar Sakkvilag, 1922

3R3b/1p1Q4/6p1/4p2b/rp2k1Nn/4P3/1r1PK3/1N2n3

#2

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2+
      • 2.Sxd2#
    • 1...Bxg4+
      • 2.Qxg4#
    • 1...Sc2
      • 2.Qd3#
      • 2.d3#
    • 1...Seg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sef3
      • 2.Sf2#
      • 2.Qd3#
    • 1...Shf3
      • 2.Sf2#
    • 1...Sf5
      • 2.Qd5#
      • 2.Qxb7#
    • 1...b3
      • 2.Sc3#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Rd4#
      • 1...Rxd2+
        • 2.Sxd2#
      • 1...Bxg4+
        • 2.Qxg4#
      • 1...Sc2
        • 2.d3#
      • 1...Sef3
        • 2.Sf2#
      • 1...Shf3
        • 2.Sf2#
      • 1...Sf5
        • 2.Qd5#
      • 1...b3
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(b);CHECK,XP(B)::S(A),XR(b)
    • B(h);CHECK,OGATE,XS(E)::QAR2(F),XB(h)
    • S(a);N_GUARD::QAB1(F)
    • S(a);N_GUARD::QAB1(F),XS(a)
    • S(f);N_PINS(E)::S(E)
    • P(d);N_GUARD::S(A)
  • Actual
    • Q(F);P_PINP(g)
    • Threat
      • R1(G)
    • Vars
      • R(b);CHECK,XP(B)::S(A),XR(b)
      • B(h);CHECK,OGATE,XS(E)::QAR2(F),XB(h)
      • S(a);N_PINP(B)::P(B)
      • S(a);N_PINS(E)::S(E)
      • S(f);N_PINS(E)::S(E)
      • S(f);SBLOCK::QAB1(F)
      • P(d);N_GUARD::S(A)
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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).