MESON Chess Problem Database

Problem Display
PID: 220713 (4N3/Bpp1N3/1P1pp3/4k1p1/6p1/3pKpP1/3PPP1b/5b1Q w - - 0 1)

Armeni, Alberto

SuperProblem, 2018

4N3/Bpp1N3/1P1pp3/4k1p1/6p1/3pKpP1/3PPP1b/5b1Q

#2

10 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe2
      • 2.Qa1#
    • 1...Bg2
      • 2.Qa1#
    • 1...Bh3
      • 2.Qa1#
    • 1...Bg1
      • 2.Qh8#
    • 1...Bxg3
      • 2.Qh8#
    • 1...dxe2
      • 2.d4#
    • 1...fxe2
      • 2.Qe4#
  • Tries
    • 1.Qxf3?
      • threat
        • 2.Sg6#
        • 2.Qe4#
        • 2.Qf6#
      • 1...Bg2
        • 2.Sg6#
        • 2.Qf6#
      • 1...d5
        • 2.Sg6#
        • 2.Qf6#
      • 1...gxf3!
    • 1.exd3?
      • threat
        • 2.d4#
      • 1...Bxd3
        • 2.Qa1#
      • 1...c5!
  • Keys
    • 1.Bb8!
      • 1...Bxe2
        • 2.Qa1#
      • 1...Bxg3
        • 2.Qh8#
      • 1...dxe2
        • 2.d4#
      • 1...fxe2
        • 2.Qe4#
      • 1...cxb6
        • 2.Bxd6#
      • 1...Bg2
        • 2.Qa1#
      • 1...Bh3
        • 2.Qa1#
      • 1...Bg1
        • 2.Qh8#
      • 1...d5
        • 2.Bxc7#
      • 1...c5
        • 2.Bxd6#
      • 1...c6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE,XP(C)::QAB(A)
    • B(a);OGATE::QAB(A)
    • B(b);OGATE,P_PINP(D)::QAB(A)
    • B(b);OGATE,XP(F)::QAB(A)
    • P(c);OGATE,XP(C)::P(B)
    • P(d);OGATE,XP(C)::QAR1(A)
  • Tries
    • Try
      • Q(A);XP(d)
      • Threat
        • DUALS(3)
      • Refutation
        • P(e);XQ(A)
    • Try
      • P(C);XP(c)
      • Threat
        • P(C)
      • Vars
        • B(a);OGATE,XP(C)::QAB(A)
      • Refutation
        • P(k);
  • Actual
    • B(H);
    • Vars
      • B(a);OGATE,XP(C)::QAB(A)
      • B(b);OGATE,XP(F)::QAB(A)
      • P(c);OGATE,XP(C)::P(B)
      • P(d);OGATE,XP(C)::QAR1(A)
      • P(k);OGATE,P_SPINP(h),XP(G)::B(H),XP(h)
      • B(a);OGATE::QAB(A)
      • B(b);OGATE,P_PINP(D)::QAB(A)
      • P(h);OGATEB,P_SPINP(k)::B(H),XP(k)
      • P(k);OGATE,P_SPINP(h)::B(H),XP(h)
HTML5 logo

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).