MESON Chess Problem Database

Problem Display
PID: 193690 (b2RB3/bqp5/1B1PN3/P2RP3/Q1N4k/P3K1pP/1P1P2P1/8 w - - 0 1)

Janet, Frank

Pittsburgh Gazette-Times, 1915

b2RB3/bqp5/1B1PN3/P2RP3/Q1N4k/P3K1pP/1P1P2P1/8

#2

16 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb6+
      • 2.Sxb6#
    • 1...Bxb6+
      • 2.Sxb6#
    • 1...cxb6
      • 2.Sxb6#
    • 1...cxd6
      • 2.Sxd6#
    • 1...c6
      • 2.Rd4#
  • Keys
    • 1.Rd7!
      • threat
        • 2.Rh7#
      • 1...Qxb6+
        • 2.Sxb6#
      • 1...Bxb6+
        • 2.Sxb6#
      • 1...cxb6
        • 2.Sxb6#
      • 1...cxd6
        • 2.Sxd6#
      • 1...c5
        • 2.Bd8#
      • 1...c6
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(d);CHECK,XB(L)::QAR(G)+S(H),XQ(d)
    • B(c);CHECK,XB(L)::QAR(G)+S(H),XB(c)
    • P(e);XB(L)::QAR(G)+S(H),XP(e)
    • P(e);XP(M)::QAR(G)+S(H),XP(e)
    • P(e);S_CUTQ(d)::R(J)
  • Actual
    • R(O);
    • Threat
      • R(O)
    • Vars
      • Q(d);CHECK,XB(L)::QAR(G)+S(H),XQ(d)
      • B(c);CHECK,XB(L)::QAR(G)+S(H),XB(c)
      • P(e);XB(L)::QAR(G)+S(H),XP(e)
      • P(e);XP(M)::QAR(G)+S(H),XP(e)
      • P(e);N_PINB(L)::B(L)
      • P(e);S_CUTQ(d)::R(J)
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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).