MESON Chess Problem Database

Problem Display
PID: 192746 (3rn3/p5p1/1p1P2R1/pQNk4/P3pP1p/1K4p1/1B1N1b1R/4r2B w - - 0 1)

Uris, Miguel

BCPS Website, 2019

3rn3/p5p1/1p1P2R1/pQNk4/P3pP1p/1K4p1/1B1N1b1R/4r2B

#2

11 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Bxe4#
    • 1...Rb1
      • 2.Bxe4#
    • 1...Rc1
      • 2.Bxe4#
    • 1...Rd1
      • 2.Bxe4#
    • 1...Rf1
      • 2.Bxe4#
    • 1...Rg1
      • 2.Bxe4#
    • 1...Re3+
      • 2.Sd3#
    • 1...Rxd6
      • 2.Rg5#
    • 1...Be3
      • 2.Bxe4#
    • 1...bxc5
      • 2.Qb7#
  • Keys
    • 1.Sdxe4!
      • threat
        • 2.Rg5#
      • 1...Re3+
        • 2.Sd3#
      • 1...Rxe4
        • 2.Bxe4#
      • 1...Bxc5
        • 2.Rd2#
      • 1...Sxd6
        • 2.Sf6#
      • 1...bxc5
        • 2.Qb7#
      • 1...Bd4
        • 2.Sc3#

This is a version of 192745

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(a);N_GUARD::B(A),XP(d)
    • R(a);N_GUARD,P_PINB(B)::B(A),XP(d)
    • R(a);CHECK,S_CUTB(b)::QAR(H)+S(I)
    • R(k);SBLOCK,XP(J)::R(K)
    • B(b);S_CUTR(a)::B(A),XP(d)
    • P(h);OGATE,SBLOCK,XS(I)::QAB(H)
  • Actual
    • S(C);XP(d)
    • Threat
      • R(K)
    • Vars
      • R(a);CHECK,S_CUTB(b)::QAR(H)+S(I)
      • R(a);OGATE,P_SPINR(a),XS(C)::B(A),XR(a)
      • B(b);OGATE,P_SPINB(b),XS(I)::R(D)
      • S(l);SBLOCK,XP(J)::B(A)+S(C),DCHECK
      • P(h);OGATE,P_SPINP(h),XS(I)::QAB(H)
      • B(b);SBLOCK::B(A)+S(C),DCHECK
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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).