MESON Chess Problem Database

Problem Display
PID: 101613 (8/6N1/3rN1Pq/7R/6kp/3r4/6PP/1Bb1B1QK w - - 0 1)

Dubouchet, Robert

diagrammes, 1989

8/6N1/3rN1Pq/7R/6kp/3r4/6PP/1Bb1B1QK

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.Rxh4#
    • 1...Qe3
      • 2.Rxh4#
    • 1...Qf4
      • 2.Rxh4#
    • 1...Qxg6
      • 2.Rxh4#
    • 1...Rd1
      • 2.Bf5#
      • 2.h3#
    • 1...Rd2
      • 2.Bf5#
      • 2.h3#
    • 1...Ra3
      • 2.Bf5#
    • 1...Rb3
      • 2.Bf5#
    • 1...Rc3
      • 2.Bf5#
    • 1...Re3
      • 2.Bf5#
    • 1...Rg3
      • 2.Bf5#
    • 1...Rh3
      • 2.Bf5#
    • 1...R3d4
      • 2.Bf5#
      • 2.h3#
    • 1...R3d5
      • 2.h3#
    • 1...Be3
      • 2.h3#
  • Keys
    • 1.Qe3!
      • threat
        • 2.h3#
      • 1...Qxe3
        • 2.Rxh4#
      • 1...Qxg7
        • 2.Rg5#
      • 1...Rxe3
        • 2.Bf5#
      • 1...h3
        • 2.gxh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(f);N_GUARD::R1(G),XP(d)
    • Q(f);N_GUARD,XP(I)::R1(G),XP(d)
    • R(b);OGATE::B(A)
    • R(b);OGATE,P_PINP(F)::B(A)
    • R(b);N_GUARD::P(F)
    • B(a);S_CUTR(b)::P(F)
  • Actual
    • Q(C);
    • Threat
      • P(F)
    • Vars
      • Q(f);N_GUARD,XQ(C)::R1(G),XP(d)
      • Q(f);N_GUARD,XS(J)::R1(G)
      • R(b);OGATE,XQ(C)::B(A)
      • P(d);OGATE::P(E),XP(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).