MESON Chess Problem Database

Problem Display
PID: 78900 (B5b1/8/3r4/b2p1RpN/4k1K1/1N2P1R1/2r1P3/2B5 w - - 0 1)

Commandeur, Henri

L'Echiquier de Paris, 1949

B5b1/8/3r4/b2p1RpN/4k1K1/1N2P1R1/2r1P3/2B5

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Sc5#
    • 1...Rb2
      • 2.Sc5#
    • 1...Rd2
      • 2.Sc5#
    • 1...Rxe2
      • 2.Sc5#
    • 1...Rc3
      • 2.Sd2#
    • 1...Rc5
      • 2.Sxc5#
    • 1...Re6
      • 2.Bxd5#
    • 1...Rf6
      • 2.Sxf6#
    • 1...Rd7
      • 2.Sf6#
    • 1...Rd8
      • 2.Sf6#
    • 1...Bc3
      • 2.Sc5#
    • 1...Be6
      • 2.Sf6#
  • Tries
    • 1.Bxd5+?
      • 1...Rxd5
        • 2.Sf6#
      • 1...Bxd5!
    • 1.Rgf3?
      • threat
        • 2.Sg3#
      • 1...Rxe2
        • 2.Sc5#
      • 1...Be1!
  • Keys
    • 1.Bb2!
      • threat
        • 2.Re5#
      • 1...Rxb2
        • 2.Sc5#
      • 1...Rxe2
        • 2.Sc5#
      • 1...Rc3
        • 2.Sd2#
      • 1...Re6
        • 2.Bxd5#
      • 1...Bc3
        • 2.Sc5#
      • 1...Be6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::S(C)
    • R(a);N_GUARD,XP(B)::S(C)
    • R(a);N_GUARD,S_CUTB(c)::S(C)
    • R(a);N_GUARD::S(C),XR(a)
    • R(f);N_GUARD,S_CUTB(g)::B(I),XP(d)
    • R(f);N_GUARD::S(H),XR(f)
    • R(f);N_GUARD::S(H)
    • B(c);S_CUTR(a)::S(C)
    • B(g);P_PINR(G),S_CUTR(f)::S(H)
  • Tries
    • Try
      • B(I);CHECK,XP(d)
      • Vars
        • R(f);XB(I)::S(H)
      • Refutation
        • B(g);XB(I)
    • Try
      • R(E);
      • Threat
        • S(H)
      • Vars
        • R(a);N_GUARD,XP(B)::S(C)
      • Refutation
        • B(c);
  • Actual
    • B(A);
    • Threat
      • R1(G)
    • Vars
      • R(a);N_GUARD,XB(A)::S(C)
      • R(a);N_GUARD,XP(B)::S(C)
      • R(a);N_GUARD,S_CUTB(c)::S(C)
      • R(f);N_GUARD,S_CUTB(g)::B(I),XP(d)
      • B(c);S_CUTR(a)::S(C)
      • B(g);P_PINR(G),S_CUTR(f)::S(H)
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).