MESON Chess Problem Database

Problem Display
PID: 228844 (8/1p1p1pQ1/1BbP1r2/1PK2p2/pP2pPn1/R1Npk3/1n1rN3/2B2R2 w - - 0 1)

Riedl, Max

Volk und Zeit, 1926

8/1p1p1pQ1/1BbP1r2/1PK2p2/pP2pPn1/R1Npk3/1n1rN3/2B2R2

#2

12 + 13

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Kxd6#
    • 1...Re6
      • 2.Qd4#
    • 1...Rg6
      • 2.Qd4#
    • 1...Rh6
      • 2.Qd4#
    • 1...Bxb5
      • 2.Kxb5#
      • 2.Kd5#
    • 1...Bd5
      • 2.Kxd5#
    • 1...Sd1
      • 2.Kc4#
    • 1...Sc4
      • 2.Kxc4#
    • 1...Sf2
      • 2.Qg3#
    • 1...Sh2
      • 2.Qg1#
    • 1...Se5
      • 2.Qg1#
    • 1...Sh6
      • 2.Qg1#
      • 2.Qg3#
    • 1...dxe2
      • 2.Sd1#
      • 2.Sd5#
  • Keys
    • 1.Sd4!
      • 1...Rxd6
        • 2.Sxf5#
      • 1...Bxb5
        • 2.Sd5#
      • 1...Sf2
        • 2.Qg3#
      • 1...Sh2
        • 2.Qg1#
      • 1...Re6
        • 2.Sxf5#
      • 1...Rg6
        • 2.Sxf5#
      • 1...Rh6
        • 2.Sxf5#
      • 1...Bd5
        • 2.Sxd5#
      • 1...Sd1
        • 2.Sxd1#
      • 1...Sc4
        • 2.Sd1#
      • 1...Se5
        • 2.Qg1#
      • 1...Sh6
        • 2.Qg1#
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 7
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(j);XP(K)::B(J)+K(I),XR(j)
    • R(j);OGATE::QAB1(L)
    • B(i);::B(J)+K(I),XB(i)
    • S(a);::B(J)+K(I)
    • S(a);::B(J)+K(I),XS(a)
    • S(g);OGATE::QAR2(L)
    • S(g);OGATE::QAB(L)
  • Actual
    • S(C);
    • Vars
      • R(j);N_GUARD,XP(K)::S(C),XP(h)
      • B(i);N_GUARD,XP(H)::S(E)
      • S(g);OGATE::QAR2(L)
      • S(g);OGATE::QAB(L)
      • R(j);N_GUARD::S(C),XP(h)
      • B(i);N_GUARD::S(E),XB(i)
      • S(a);N_GUARD::S(E),XS(a)
      • S(a);N_GUARD::S(E)
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).