MESON Chess Problem Database

Problem Display
PID: 215965 (3RR3/b5B1/8/6Q1/1N2rq1p/1b2k2P/4P2p/2n1K1N1 w - - 0 1)

Reinhofer, Erwin

Badische Neueste Nachrichten, 1986

3RR3/b5B1/8/6Q1/1N2rq1p/1b2k2P/4P2p/2n1K1N1

#2

9 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rxe5#
    • 1...Bd1
      • 2.Sd5#
    • 1...Ba2
      • 2.Sc2#
    • 1...Bc2
      • 2.Sxc2#
      • 2.Sd5#
    • 1...Ba4
      • 2.Sd5#
    • 1...Bc4
      • 2.Sc2#
    • 1...Bd5
      • 2.Sc2#
      • 2.Sxd5#
    • 1...Be6
      • 2.Sc2#
    • 1...Bf7
      • 2.Sc2#
    • 1...Bg8
      • 2.Sc2#
    • 1...Bd4
      • 2.Bxd4#
    • 1...Bc5
      • 2.Qxc5#
    • 1...Bb8
      • 2.Bd4#
      • 2.Qc5#
    • 1...Sa2
      • 2.Rd3#
    • 1...Sxe2
      • 2.Rd3#
    • 1...Sd3+
      • 2.Rxd3#
  • Keys
    • 1.Bh6!
      • threat
        • 2.Qxf4#
      • 1...Sd3+
        • 2.Rxd3#
      • 1...hxg1Q+
        • 2.Qxg1#
      • 1...hxg1R+
        • 2.Qxg1#
      • 1...Qxg5
        • 2.Bxg5#
      • 1...Sxe2
        • 2.Rd3#
      • 1...Bd5
        • 2.Sc2#
      • 1...Be6
        • 2.Sc2#
      • 1...Bb8
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 10
  • Sets
    • R(e);OGATEB::R(I),XR(e)
    • B(c);N_GUARD::S(E)
    • B(c);N_GUARD,N_SPINR(e)::S(E)
    • B(h);N_GUARD::B(G),XB(h)
    • B(h);N_GUARD::QAB(F),XB(h)
    • S(a);N_GUARD::R1(H)
    • S(a);N_GUARD,XP(C)::R1(H)
    • S(a);CHECK,N_GUARD::R1(H),XS(a)
  • Actual
    • B(G);
    • Threat
      • QAB1(F),XQ(f)
    • Vars
      • S(a);CHECK,N_GUARD::R1(H),XS(a)
      • P(b);CHECK,OGATE,XS(B)::QAB(F),XQ(b)
      • P(b);CHECK,OGATE,XS(B)::QAB(F),XR(b)
      • Q(f);OGATE,XQ(F)::B(G),XQ(f)
      • S(a);N_GUARD,XP(C)::R1(H)
      • B(c);N_GUARD::S(E)
      • B(c);N_GUARD,N_SPINR(e)::S(E)
      • B(h);N_GUARD::QAB(F)
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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).