MESON Chess Problem Database

Problem Display
PID: 206737 (8/3p4/3Pp1p1/3pQ1P1/3P1K1N/2p1PN1k/2P2p1p/5R2 w - - 0 1)

Csontos, Jeno

Ujsag, 1925

8/3p4/3Pp1p1/3pQ1P1/3P1K1N/2p1PN1k/2P2p1p/5R2

#2

10 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...h1Q
      • 2.Rxh1#
    • 1...h1S
      • 2.Rxh1#
    • 1...h1B
      • 2.Rxh1#
    • 1...h1R
      • 2.Rxh1#
  • Tries
    • 1.Sd2?
      • 1...Kxh4
        • 2.Qh8#
      • 1...h1Q
        • 2.Rxh1#
      • 1...h1S
        • 2.Rxh1#
      • 1...h1B
        • 2.Rxh1#
      • 1...h1R
        • 2.Rxh1#
      • 1...cxd2!
    • 1.Qf6?
      • 1...h1Q
        • 2.Rxh1#
      • 1...h1S
        • 2.Rxh1#
      • 1...h1B
        • 2.Rxh1#
      • 1...h1R
        • 2.Rxh1#
      • 1...e5+!
    • 1.Qg7?
      • 1...h1Q
        • 2.Rxh1#
      • 1...h1S
        • 2.Rxh1#
      • 1...h1B
        • 2.Rxh1#
      • 1...h1R
        • 2.Rxh1#
      • 1...e5+!
    • 1.Qh8?
      • 1...h1Q
        • 2.Rxh1#
      • 1...h1S
        • 2.Rxh1#
      • 1...h1B
        • 2.Rxh1#
      • 1...h1R
        • 2.Rxh1#
      • 1...e5+!
    • 1.e4?
      • 1...h1Q
        • 2.Rxh1#
      • 1...h1S
        • 2.Rxh1#
      • 1...h1B
        • 2.Rxh1#
      • 1...h1R
        • 2.Rxh1#
      • 1...dxe4!
  • Keys
    • 1.Sxh2!
      • 1...Kxh2
        • 2.Kg4#
      • 1...Kxh4
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • P(b);OGATEB::R(A),XQ(b)
    • P(b);OGATEB::R(A),XS(b)
    • P(b);OGATEB::R(A),XB(b)
    • P(b);OGATEB::R(A),XR(b)
  • Tries
    • Try
      • S(D);
      • Vars
        • K(d);OGATEB,P-FLIGHT,XS(G)::QAR(H)
        • P(b);OGATEB::R(A),XQ(b)
        • P(b);OGATEB::R(A),XS(b)
        • P(b);OGATEB::R(A),XB(b)
        • P(b);OGATEB::R(A),XR(b)
      • Refutation
        • P(c);XS(D)
    • Try
      • Q(H);
      • Vars
        • P(b);OGATEB::R(A),XQ(b)
        • P(b);OGATEB::R(A),XS(b)
        • P(b);OGATEB::R(A),XB(b)
        • P(b);OGATEB::R(A),XR(b)
      • Refutation
        • P(f);CHECK
    • Try
      • Q(H);
      • Vars
        • P(b);OGATEB::R(A),XQ(b)
        • P(b);OGATEB::R(A),XS(b)
        • P(b);OGATEB::R(A),XB(b)
        • P(b);OGATEB::R(A),XR(b)
      • Refutation
        • P(f);CHECK
    • Try
      • Q(H);
      • Vars
        • P(b);OGATEB::R(A),XQ(b)
        • P(b);OGATEB::R(A),XS(b)
        • P(b);OGATEB::R(A),XB(b)
        • P(b);OGATEB::R(A),XR(b)
      • Refutation
        • P(f);CHECK
    • Try
      • P(C);
      • Vars
        • P(b);OGATEB::R(A),XQ(b)
        • P(b);OGATEB::R(A),XS(b)
        • P(b);OGATEB::R(A),XB(b)
        • P(b);OGATEB::R(A),XR(b)
      • Refutation
        • P(e);XP(C)
  • Actual
    • S(D);XP(b)
    • Vars
      • K(d);P-FLIGHT,XS(D)::QAB(H)+K(F)
      • K(d);OGATEB,P-FLIGHT,XS(G)::QAR(H)
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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).