MESON Chess Problem Database

Problem Display
PID: 250080 (b7/b4K2/3QN1B1/2p5/R1Nnrp2/p2k4/R3p1p1/4Bqn1 w - - 0 1)

Hertmann, Sandor

2nd Prize, Magyar Munkas Sakkor, 1927

b7/b4K2/3QN1B1/2p5/R1Nnrp2/p2k4/R3p1p1/4Bqn1

#2

8 + 12

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb8
      • 2.Sxc5#
    • 1...Sf3
      • 2.Sxf4#
    • 1...f3
      • 2.Sf4#
  • Keys
    • 1.Qxf4!
      • threat
        • 2.Se5#
      • 1...Qxf4+
        • 2.Sxf4#
      • 1...Qxe1
        • 2.Qe3#
      • 1...Bb8
        • 2.Sxc5#
      • 1...Sgf3
        • 2.Qe3#
      • 1...Sdf3
        • 2.Qe3#
      • 1...Sf5
        • 2.Qd2#
      • 1...Sc6
        • 2.Bxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(k);N_GUARD::S(F),XP(j)
    • S(b);S_CUTQ(a)::S(F),XP(i)
    • P(i);S_CUTQ(a)::S(F)
  • Actual
    • Q(E);N_PINS(g),P_SPINQ(E),XP(i)
    • Threat
      • S(D)
    • Vars
      • Q(a);CHECK,XQ(E)::S(F),XQ(a)
      • Q(a);N_PINQ(E),XB(A)::QAR1(E)
      • B(k);N_GUARD::S(F),XP(j)
      • S(b);N_PINQ(E)::QAR1(E)
      • S(g);N_PINQ(E)::QAR1(E)
      • S(g);N_PINQ(E),N_SPINR(h)::QAR1(E)
      • S(g);S_CUTB(l)::B(G),XR(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).