MESON Chess Problem Database

Problem Display
PID: 194357 (4r3/3bk1P1/1N2P1P1/B1P3P1/4R3/1Q2n2n/K7/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Sachmatija, 2019

4r3/3bk1P1/1N2P1P1/B1P3P1/4R3/1Q2n2n/K7/8

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rd8
      • 2.exd7#
    • 1...Sd1
      • 2.Sd5#
    • 1...Sf1
      • 2.Sd5#
    • 1...Sc2
      • 2.Sd5#
    • 1...Sg2
      • 2.Sd5#
    • 1...Sc4
      • 2.Sd5#
    • 1...Sg4
      • 2.Sd5#
    • 1...Sd5
      • 2.Sxd5#
    • 1...Sf5
      • 2.Sd5#
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...Bxe6
        • 2.Rxe6#
      • 1...Sxd5
        • 2.Sxd5#
      • 1...Sxg5
        • 2.Qxg5#
      • 1...Rd8
        • 2.exd7#
      • 1...Ba4
        • 2.Qd6#
      • 1...Bb5
        • 2.Qd6#
      • 1...Bc6
        • 2.Qd6#
      • 1...Bc8
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • R(e);SBLOCK::R(C)+P(H),XB(c)
    • S(a);N_GUARD::S(G)
    • S(a);N_GUARD::S(G),XS(a)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XB(c)
    • Vars
      • K(d);P_SPINB(c),S_FLIGHT::QAR1(B),XB(c)
      • B(c);OGATE,P_PINQ(B),P_SPINB(c),XP(H)::R1(C),XB(c)
      • S(a);XQ(B)::S(G),XS(a)
      • S(b);OGATE,XP(F)::QAB(B),XS(b)
      • R(e);SBLOCK::R(C)+P(H),XB(c)
      • B(c);::QAB1(B)
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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).