MESON Chess Problem Database

Problem Display
PID: 228965 (1N6/qPR1Bb2/p3k2b/4r3/p1Pp1pP1/6pB/Q3N3/4K3 w - - 0 1)

Mari, Alberto

10th Comm., El Ajedrez Argentino, 1926

1N6/qPR1Bb2/p3k2b/4r3/p1Pp1pP1/6pB/Q3N3/4K3

#2

10 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2+
      • 2.Qxe2#
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sd8#
      • 1...Rxe2+
        • 2.Qxe2#
      • 1...Qb8
        • 2.Sxd4#
      • 1...Qa8
        • 2.Sxd4#
      • 1...Re3
        • 2.g5#
      • 1...Re4
        • 2.c5#
        • 2.g5#
      • 1...Ra5
        • 2.c5#
      • 1...Rb5
        • 2.cxb5#
      • 1...Rc5
        • 2.Sexd4#
      • 1...Rd5
        • 2.cxd5#
      • 1...Rf5
        • 2.gxf5#
      • 1...Rg5
        • 2.Sxf4#
      • 1...Rh5
        • 2.gxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(e);CHECK,OGATE,XS(C)::QAR(B),XR(e)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • R(e);CHECK,OGATE,XS(C)::QAR(B),XR(e)
      • Q(i);N_GUARD::S(J),XP(c)
      • R(e);N_GUARD::B(D)+P(F)
      • R(e);N_GUARD,N_PINS(C)::QAB(B)+P(E)
      • R(e);N_PINS(C),OGATE::QAB(B)+P(E),XR(e)
      • R(e);N_PINS(C)::S(C),XP(c)
      • R(e);N_PINS(C),OGATE::P(E),XR(e)
      • R(e);N_PINS(C),OGATE::P(F),XR(e)
      • R(e);N_PINS(C)::S(C),XP(d)
      • R(e);N_PINS(C),OGATE::B(D)+P(F),XR(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).