MESON Chess Problem Database

Problem Display
PID: 225196 (2Rn4/1N3n2/3pp3/1N1kb3/2p4r/8/p2PRB1p/2Q4K w - - 0 1)

Ahues, Herbert Siegfried Oskar

Freie Presse, 2002

2Rn4/1N3n2/3pp3/1N1kb3/2p4r/8/p2PRB1p/2Q4K

#2

8 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Qxc4#
    • 1...Rd4
      • 2.Sc3#
    • 1...Rh5
      • 2.Qxc4#
    • 1...Rh6
      • 2.Qxc4#
    • 1...Rh7
      • 2.Qxc4#
    • 1...Rh8
      • 2.Qxc4#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bg3
      • 2.Sc3#
    • 1...Bd4
      • 2.Qxc4#
    • 1...Bf4
      • 2.Sc3#
      • 2.Qxc4#
    • 1...Sc6
      • 2.Sc7#
  • Tries
    • 1.Rxe5+?
      • 1...Sxe5
        • 2.Sc3#
      • 1...dxe5
        • 2.Sc3#
      • 1...Kxe5!
    • 1.d4?
      • threat
        • 2.Sc3#
        • 2.Qxc4#
      • 1...Rxd4
        • 2.Sc3#
      • 1...Bxd4
        • 2.Qxc4#
      • 1...cxd4 ep
        • 2.Sc7#
      • 1...a1B
        • 2.Qxc4#
      • 1...a1R
        • 2.Sc3#
      • 1...Rh3
        • 2.Qxc4#
      • 1...Sc6
        • 2.Sc3#
        • 2.Sc7#
      • 1...c3
        • 2.Sxc3#
      • 1...a1Q!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sc7#
      • 1...Rd4
        • 2.Sc3#
      • 1...Bd4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(d);N_GUARD::QAB1(A),XP(c)
    • R(d);S_CUTB(f)::S(F)
    • B(f);N_GUARD::S(F),XB(f)
    • B(f);N_GUARD::S(F)
    • B(f);S_CUTR(d)::QAB1(A),XP(c)
    • S(j);SBLOCK::S(F)
  • Tries
    • Try
      • R(D);CHECK,XB(f)
      • Vars
        • S(i);SBLOCK,XR(D)::S(F)
        • P(g);SBLOCK,XR(D)::S(F)
      • Refutation
        • K(e);P-FLIGHT,XR(D)
    • Try
      • P(C);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);XP(C)::S(F)
        • B(f);XP(C)::QAB1(A),XP(c)
        • P(c);EP,XP(C)::S(F)
        • P(a);::QAB1(A),XP(c)
        • P(a);P_PINQ(A)::S(F)
        • R(d);::QAB1(A),XP(c)
        • P(c);::S(F),XP(c)
      • Refutation
        • P(a);P_PINQ(A)
  • Actual
    • S(G);
    • Threat
      • S(F)
    • Vars
      • R(d);S_CUTB(f)::S(F)
      • B(f);S_CUTR(d)::QAB1(A),XP(c)
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).