MESON Chess Problem Database

Problem Display
PID: 229261 (2N4b/1nrnB3/6p1/3P1kP1/3p1P1K/3PrpP1/2N3p1/5B2 w - - 0 1)

Dulcsan, Geza

Nepszava, 1926

2N4b/1nrnB3/6p1/3P1kP1/3p1P1K/3PrpP1/2N3p1/5B2

#2

10 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Bxd3#
    • 1...Re5
      • 2.Sxd4#
    • 1...Rxe7
      • 2.Sxe7#
    • 1...Sa5
      • 2.Sd6#
    • 1...Sbc5
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sd8
      • 2.Sd6#
    • 1...Se5
      • 2.Sxd4#
    • 1...Sf6
      • 2.Sxd4#
    • 1...g1Q
      • 2.Bh3#
    • 1...g1B
      • 2.Bh3#
    • 1...g1R
      • 2.Bh3#
  • Keys
    • 1.Bd6!
      • threat
        • 2.g4#
      • 1...Rxd3
        • 2.Bxd3#
      • 1...Sxd6
        • 2.Sxd6#
      • 1...g1Q
        • 2.Bh3#
      • 1...g1R
        • 2.Bh3#
      • 1...Re5
        • 2.Sxd4#
      • 1...Be5
        • 2.Se7#
      • 1...Se5
        • 2.Sxd4#
      • 1...Sf6
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(b);OGATE,XP(C)::B(A),XR(b)
    • R(b);S_CUTB(j)::S(B),XP(d)
    • R(b);XB(I)::S(J),XR(b)
    • S(g);N_GUARD::S(J)
    • S(g);N_GUARD::S(J),XS(g)
    • S(i);S_CUTB(j)::S(B),XP(d)
    • P(a);OGATE::B(A)
  • Actual
    • B(I);
    • Threat
      • P(D)
    • Vars
      • R(b);OGATE,XP(C)::B(A),XR(b)
      • S(g);XB(I)::S(J),XS(g)
      • P(a);OGATE::B(A)
      • R(b);S_CUTB(j)::S(B),XP(d)
      • B(j);S_CUTR(b)::S(J)
      • S(i);S_CUTB(j)::S(B),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).