MESON Chess Problem Database

Problem Display
PID: 204532 (8/4p3/1K2P3/1P4Pn/R1qkP1p1/1bp1R3/2P1p2Q/nN1r2B1 w - - 0 1)

Keresztes, Gyorgy

Nepszava, 1925

8/4p3/1K2P3/1P4Pn/R1qkP1p1/1bp1R3/2P1p2Q/nN1r2B1

#2

11 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Rxe2#
    • 1...Sg3
      • 2.Qh8#
    • 1...Sf4
      • 2.Qh8#
    • 1...e1Q
      • 2.Rxe1#
    • 1...e1S
      • 2.Rxe1#
      • 2.Re2#
    • 1...e1B
      • 2.Rxe1#
    • 1...e1R
      • 2.Rxe1#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Rd3#
      • 1...Rxd2
        • 2.Rxe2#
      • 1...Bxc2
        • 2.Rxc4#
      • 1...Sxc2
        • 2.Sxb3#
      • 1...cxd2
        • 2.c3#
      • 1...Sg3
        • 2.Qh8#
      • 1...Sf4
        • 2.Qh8#
      • 1...g3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(b);N_GUARD::B(B)+R(E),XP(c)
    • S(i);OGATE::QAB(D)
    • P(c);OGATE::B(B)+R(E),XQ(c)
    • P(c);OGATE::B(B)+R(E),XB(c)
    • P(c);OGATE::B(B)+R(E),XR(c)
  • Actual
    • S(A);
    • Threat
      • B(B)+R(E),DCHECK
    • Vars
      • R(b);N_GUARD,XS(A)::B(B)+R(E),XP(c)
      • B(d);N_GUARD,XP(C)::R1(F),XQ(f)
      • S(a);N_GUARD,XP(C)::S(A),XB(d)
      • P(e);OGATE,XS(A)::P(C)
      • S(i);OGATE::QAB(D)
      • P(h);N_GUARD::S(A)
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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).