MESON Chess Problem Database

Problem Display
PID: 246020 (7B/3n1Nq1/2pRP1r1/1p1p1Pp1/1PPkBbR1/5Pp1/1PPNK3/2rQ1n2 w - - 0 1)

Svitek, Miroslav

Gaudium, 2010

7B/3n1Nq1/2pRP1r1/1p1p1Pp1/1PPkBbR1/5Pp1/1PPNK3/2rQ1n2

#2

15 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.c3#
    • 1...Rb1
      • 2.c3#
    • 1...Rxd1
      • 2.c3#
    • 1...Bxd2
      • 2.Bxd5#
    • 1...bxc4
      • 2.Sb3#
    • 1...c5
      • 2.Rxd5#
  • Keys
    • 1.Bxd5!
      • threat
        • 2.Sb3#
        • 2.Bxc6#
      • 1...Qe5+
        • 2.Be4#
      • 1...Rxe6+
        • 2.Bxe6#
      • 1...Rxc2
        • 2.Bxc6#
      • 1...Sxd2
        • 2.Qxd2#
      • 1...cxd5
        • 2.Rxd5#
      • 1...Se3
        • 2.Sb3#
      • 1...Sb6
        • 2.Sb3#
      • 1...Sf6
        • 2.Sb3#
      • 1...c5
        • 2.Sb3#
        • 2.Bc6#
        • 2.Bb7#
        • 2.Ba8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::P(C)
    • R(a);N_GUARD,XQ(A)::P(C)
    • B(e);OGATEB,P_SPINB(e),XS(D)::R(J)+B(I),XP(g)
    • P(f);SBLOCK,XP(H)::QAR(A)+S(D),DCHECK
    • P(i);N_GUARD::R1(L),XP(g)
  • Actual
    • B(I);P_PINB(e),XP(g)
    • Threat
      • DUALS(2)
    • Vars
      • Q(l);CHECK::R(L)+B(I)
      • R(j);CHECK,OGATE,XP(M)::R(L)+B(I),XR(j)
      • R(a);P_PINS(D),XP(C)::R(L)+B(I),XP(i)
      • S(b);OGATE,P_SPINS(b),XS(D)::QAR2(A),XS(b)
      • P(i);OGATE,P_SPINP(i),XB(I)::R1(L),XP(i)
      • S(b);::QAR(A)+S(D),DCHECK
      • S(k);::QAR(A)+S(D),DCHECK
      • S(k);N_SPINQ(l)::QAR(A)+S(D),DCHECK
HTML5 logo

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).