MESON Chess Problem Database

Problem Display
PID: 250040 (1b6/q2n2B1/2prP3/1prk1N2/1P6/P1p1KN1B/2P3Q1/8 w - - 0 1)

Mari, Alberto

Atlantica, 1927

1b6/q2n2B1/2prP3/1prk1N2/1P6/P1p1KN1B/2P3Q1/8

#2

10 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Sg5#
    • 1...Rc4+
      • 2.S3d4#
    • 1...Rxe6+
      • 2.Se5#
  • Keys
    • 1.Kf4!
      • threat
        • 2.Se3#
      • 1...Rc4+
        • 2.S3d4#
      • 1...Rxe6+
        • 2.Se5#
      • 1...Kc4
        • 2.Se3#
      • 1...Kxe6
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);N_GUARD,S_FLIGHT,XP(I)::S(E)
    • R(c);CHECK,SBLOCK::QAB(B)+S(E)
    • R(f);CHECK,SBLOCK,XP(I)::QAB(B)+S(E)
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • S(H)
    • Vars
      • R(c);CHECK,SBLOCK::QAB(B)+S(E)
      • R(f);CHECK,SBLOCK,XP(I)::QAB(B)+S(E)
      • K(d);S_FLIGHT::S(H)
      • K(d);N_GUARD,S_FLIGHT,XP(I)::S(E)
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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).