MESON Chess Problem Database

Problem Display
PID: 101909 (3B4/6pQ/2N1p1N1/p1PPP3/Rn2kp2/1K5P/B1R2P2/8 w - - 0 1)

Scotti, Louis

diagrammes, 1989

3B4/6pQ/2N1p1N1/p1PPP3/Rn2kp2/1K5P/B1R2P2/8

#2

13 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Sxf4#
    • 1...Kf3
      • 2.Sh4#
    • 1...Kxd5
      • 2.Sge7#
    • 1...Kf5
      • 2.Sh4#
  • Tries
    • 1.Rd2?
      • 1...Kf3
        • 2.Sh4#
      • 1...Kf5
        • 2.Sh4#
      • 1...f3
        • 2.Bb1#
      • 1...exd5!
    • 1.Rc3?
      • 1...Kxd5
        • 2.Sge7#
      • 1...Kf5
        • 2.Sh4#
      • 1...exd5
        • 2.Bb1#
      • 1...f3!
    • 1.Rxb4+?
      • 1...Kd3
        • 2.Sxf4#
        • 2.Rd4#
      • 1...Kf3
        • 2.Sh4#
      • 1...Kxd5
        • 2.Sce7#
        • 2.Sge7#
      • 1...Kf5
        • 2.Sh4#
        • 2.Rxf4#
        • 2.Qh5#
      • 1...axb4!
    • 1.d6?
      • 1...Kd3
        • 2.Sxf4#
      • 1...Kf3
        • 2.Sh4#
      • 1...Kd5
        • 2.Sge7#
      • 1...Kf5
        • 2.Sh4#
      • 1...f3!
  • Keys
    • 1.Bb1!
      • 1...Kd3
        • 2.Sxf4#
      • 1...Kf3
        • 2.Sh4#
      • 1...Kxd5
        • 2.Sge7#
      • 1...Kf5
        • 2.Sh4#
      • 1...exd5
        • 2.Rc3#
      • 1...f3
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK,XP(c)
    • K(b);N_SPINS(a),S_FLIGHT::S(K)
    • K(b);N_SPINS(a),S_FLIGHT,XP(H)::S(K)
    • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK
  • Tries
    • Try
      • R(B);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
        • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK
        • P(c);SBLOCK::B(A)
      • Refutation
        • P(e);XP(H)
    • Try
      • R(B);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT,XP(H)::S(K)
        • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK
        • P(e);SBLOCK,XP(H)::B(A)
      • Refutation
        • P(c);
    • Try
      • R(F);CHECK,XS(a)
      • Vars
        • K(b);S_FLIGHT::S(K)
      • Refutation
        • P(d);XR(F)
    • Try
      • P(H);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK,XP(c)
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
        • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK
      • Refutation
        • P(c);
  • Actual
    • B(A);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK,XP(c)
      • K(b);N_SPINS(a),S_FLIGHT::S(K)
      • K(b);N_SPINS(a),S_FLIGHT,XP(H)::S(K)
      • K(b);N_SPINS(a),S_FLIGHT::QAB(L)+S(K),DCHECK
      • P(e);SBLOCK,XP(H)::B(A)+R(B)
      • P(c);SBLOCK::B(A)+R(B)
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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).