MESON Chess Problem Database

Problem Display
PID: 194246 (1K6/8/7p/1pN1N2B/R4pP1/4k3/pn1p3Q/rb4n1 w - - 0 1)

Mendes de Moraes Filho, Feliciano

Pittsburgh Gazette-Times, 1917

1K6/8/7p/1pN1N2B/R4pP1/4k3/pn1p3Q/rb4n1

#2

7 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Rxe4#
    • 1...Sd3
      • 2.Re4#
  • Keys
    • 1.g5!
      • threat
        • 2.Qxg1#
        • 2.Qxf4#
      • 1...Sxa4
        • 2.Qxg1#
      • 1...bxa4
        • 2.Qxg1#
      • 1...hxg5
        • 2.Qxg1#
      • 1...Sc4
        • 2.Qxg1#
      • 1...b4
        • 2.Qxg1#
      • 1...d1Q
        • 2.Qxf4#
      • 1...d1S
        • 2.Qxf4#
      • 1...d1B
        • 2.Qxf4#
      • 1...d1R
        • 2.Qxf4#
      • 1...Bc2
        • 2.Qxf4#
      • 1...Bd3
        • 2.Qxf4#
      • 1...Be4
        • 2.Rxe4#
      • 1...Bf5
        • 2.Qxf4#
      • 1...Bg6
        • 2.Qxf4#
      • 1...Bh7
        • 2.Qxf4#
      • 1...Se2
        • 2.Qxe2#
      • 1...Sf3
        • 2.Sg4#
      • 1...Sh3
        • 2.Qe2#
      • 1...Sd1
        • 2.Qxf4#
      • 1...Sd3
        • 2.Re4#
      • 1...f3
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 19
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::R1(B),XB(b)
    • S(e);S_CUTB(b)::R1(B)
  • Actual
    • P(C);
    • Threat
      • DUALS(2)
    • Vars
      • S(e);XR(B)::QAB(A),XS(c)
      • P(i);XR(B)::QAB(A),XS(c)
      • P(j);XP(C)::QAB(A),XS(c)
      • S(e);::QAB(A),XS(c)
      • P(i);::QAB(A),XS(c)
      • P(f);::QAB1(A),XP(h)
      • B(b);::QAB1(A),XP(h)
      • B(b);N_GUARD::R1(B),XB(b)
      • S(c);N_GUARD::QAR1(A),XS(c)
      • S(c);SBLOCK::S(E)
      • S(c);N_GUARD::QAR1(A)
      • S(e);::QAB1(A),XP(h)
      • S(e);S_CUTB(b)::R1(B)
      • P(h);SBLOCK::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).