MESON Chess Problem Database

Problem Display
PID: 52109 (4R3/4b1r1/2p2p1N/2p1kBpp/2P5/K2QBqp1/8/4NR1b w - - 0 1)

Slagmolen, Cornelis

1st Prize, Tijdschrift vd KNSB 08. TT, 1938

4R3/4b1r1/2p2p1N/2p1kBpp/2P5/K2QBqp1/8/4NR1b

#2

9 + 11

102 Probleemblad 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rg6
      • 2.Sf7#
      • 2.Rxe7#
    • 1...Rf7
      • 2.Sxf7#
    • 1...Rg8
      • 2.Sf7#
      • 2.Rxe7#
    • 1...g2
      • 2.Sxf3#
  • Keys
    • 1.Bxc5!
      • threat
        • 2.Bd6#
      • 1...Qxd3+
        • 2.Sxd3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Qxf5
        • 2.Qxf5#
      • 1...Qd5
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(k);N_GUARD::S(H),XR(k)
    • P(c);S_CUTB(a)::S(A),XQ(b)
  • Actual
    • B(E);P_SPINB(E),P_SPINQ(D),XP(d)
    • Threat
      • B(E)
    • Vars
      • Q(b);CHECK,XQ(D)::S(A),XQ(b)
      • K(e);N_SPINB(j),P_SPINQ(b),S_FLIGHT::QAB1(D)
      • Q(b);N_PINQ(D),XB(G)::QAR1(D),XQ(b)
      • Q(b);N_PINQ(D)::QAB(D),XP(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).