MESON Chess Problem Database

Problem Display
PID: 74718 (4R3/n1pp2pB/KQ2P1rr/2P1p1BP/3Pk3/2PpN3/6P1/3R4 w - - 0 1)

Segers, Marcel

L'Italia Scacchistica, 2001

4R3/n1pp2pB/KQ2P1rr/2P1p1BP/3Pk3/2PpN3/6P1/3R4

#2

13 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh5
      • 2.Bxg6#
    • 1...d2
      • 2.Qb1#
    • 1...exd4
      • 2.exd7#
  • Tries
    • 1.Bxh6?
      • threat
        • 2.Bxg6#
      • 1...exd4
        • 2.exd7#
      • 1...gxh6!
    • 1.exd7?
      • threat
        • 2.Rxe5#
      • 1...Sc6
        • 2.Qxc6#
      • 1...d2!
  • Keys
    • 1.Rh1!
      • threat
        • 2.Rh4#
      • 1...Rxh5
        • 2.Bxg6#
      • 1...exd4
        • 2.exd7#
      • 1...d2
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD,XP(H)::B(L),XR(d)
    • P(a);OGATEB::QAB(J)
    • P(c);XP(E)::R(M)+P(K),XP(h)
  • Tries
    • Try
      • B(G);XR(e)
      • Threat
        • B(L),XR(d)
      • Vars
        • P(c);XP(E)::R(M)+P(K),XP(h)
      • Refutation
        • P(i);XB(G)
    • Try
      • P(K);P_PINP(c),P_SPINQ(J),XP(h)
      • Threat
        • R1(M),XP(c)
      • Vars
        • S(f);N_GUARD,N_PINQ(J)::QAB(J),XS(f)
      • Refutation
        • P(a);
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • R(e);N_GUARD,XP(H)::B(L),XR(d)
      • P(c);XP(E)::R(M)+P(K),XP(h)
      • P(a);OGATEB::QAB(J)
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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).