MESON Chess Problem Database

Problem Display
PID: 79372 (K1N5/5n1q/B2P2rp/p2k2P1/2R2BQ1/1n1N4/8/4r1bb w - - 0 1)

Savournin, Jacques

3rd Prize, Nice-Matin, 1971

K1N5/5n1q/B2P2rp/p2k2P1/2R2BQ1/1n1N4/8/4r1bb

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Se7#
    • 1...Rb1
      • 2.Se7#
    • 1...Rc1
      • 2.Se7#
    • 1...Rd1
      • 2.Se7#
    • 1...Rf1
      • 2.Se7#
    • 1...Re3
      • 2.Sb6#
    • 1...Re7
      • 2.Sxe7#
    • 1...Bh2
      • 2.Sb6#
    • 1...Be3
      • 2.Se7#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Be4
      • 2.Se7#
    • 1...a4
      • 2.Sb4#
  • Keys
    • 1.Be3!
      • threat
        • 2.Bb7#
      • 1...Rxd6
        • 2.Se7#
      • 1...Sxg5
        • 2.Qf5#
      • 1...Sxd6
        • 2.Sb6#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Be4
        • 2.Qxe4#
      • 1...Sd4
        • 2.Rc5#
      • 1...Se5
        • 2.Sf4#
      • 1...Sd8
        • 2.Qf5#
      • 1...Sh8
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 11
  • Sets
    • R(a);N_GUARD::S(I)
    • R(a);S_CUTB(b)::S(I)
    • R(a);N_GUARD::S(I),XR(a)
    • B(b);N_GUARD::S(I)
    • B(b);S_CUTR(a)::S(I)
    • B(b);N_GUARD::S(I),XB(b)
    • B(c);S_CUTR(a)::S(I)
    • P(e);N_GUARD::S(A)
  • Actual
    • B(C);
    • Threat
      • B(F)
    • Vars
      • R(g);SBLOCK,XP(G)::S(I)
      • S(i);N_GUARD,XP(E)::QAR2(D)
      • S(i);SBLOCK,XP(G)::S(I)
      • S(d);N_GUARD::R1(B),XS(d)
      • B(c);N_GUARD::QAB1(D),XB(c)
      • S(d);N_GUARD::R1(B)
      • S(i);SBLOCK::S(A)
      • S(i);N_GUARD::QAR2(D)
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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).