MESON Chess Problem Database

Problem Display
PID: 117956 (B1Rq4/1Rb4b/p5r1/p1knB1Q1/r1n5/PPN1P1Pp/1p1P1N1K/8 w - - 0 1)

Paros, Gyorgy

Wiadomoscy Szachowy, 1937

B1Rq4/1Rb4b/p5r1/p1knB1Q1/r1n5/PPN1P1Pp/1p1P1N1K/8

#2

13 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Sxa4#
      • 2.d4#
  • Keys
    • 1.Rb6!
      • threat
        • 2.Sxa4#
        • 2.Bd4#
      • 1...Kxb6
        • 2.Bd4#
      • 1...Rxa3
        • 2.Bd4#
      • 1...Rxb6
        • 2.d4#
      • 1...Sxd2
        • 2.Sxa4#
      • 1...Sxa3
        • 2.Sxa4#
      • 1...Scxe3
        • 2.Sxa4#
      • 1...Sxe5
        • 2.Sxa4#
      • 1...Scxb6
        • 2.Sd3#
      • 1...Sxc3
        • 2.Bd4#
      • 1...Sdxe3
        • 2.Sxa4#
      • 1...Sdxb6
        • 2.Sfe4#
      • 1...Qf6
        • 2.Sxa4#
      • 1...Qd7
        • 2.Bd4#
      • 1...Qe8
        • 2.Bd4#
      • 1...Qh8
        • 2.Sxa4#
      • 1...Rb4
        • 2.Bd4#
      • 1...Rc6
        • 2.Sxa4#
        • 2.Rxc6#
      • 1...Sd6
        • 2.Sxa4#
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(K);
    • Threat
      • DUALS(2)
    • Vars
      • K(f);N_SPINB(j),S_FLIGHT,XR(K)::B(I)
      • R(c);XP(D)::B(I)
      • R(i);SBLOCK,XR(K)::P(A)
      • S(d);XP(A)::S(F),XR(c)
      • S(d);XP(D)::S(F),XR(c)
      • S(d);XP(G)::S(F),XR(c)
      • S(d);XB(I)::S(F),XR(c)
      • S(d);SBLOCK,XR(K)::S(B)
      • S(g);XS(F)::QAR(J)+B(I),DCHECK
      • S(g);XP(G)::S(F),XR(c)
      • S(g);SBLOCK,XR(K)::S(B)
      • Q(l);::S(F),XR(c)
      • Q(l);::B(I)
      • R(c);::B(I)
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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).