MESON Chess Problem Database

Problem Display
PID: 275088 (2Q5/1K3N2/p2pp3/1p3P2/1P1kB1R1/r1NP1P1p/n3R1b1/4n3 w - - 0 1)

Schlatter, Eduard

Die Tat, 1960

2Q5/1K3N2/p2pp3/1p3P2/1P1kB1R1/r1NP1P1p/n3R1b1/4n3

#2

11 + 10

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...a5
      • 2.Sxb5#
    • 1...d5
      • 2.Qc5#
    • 1...exf5
      • 2.Bxf5#
      • 2.Qh8#
  • Tries
    • 1.fxe6?
      • threat
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
        • 2.Qh8#
      • 1...Rxc3
        • 2.Qh8#
      • 1...Bxf3
        • 2.Qh8#
      • 1...Sxf3
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
      • 1...Sxc3
        • 2.Qh8#
      • 1...Sxb4
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
      • 1...Sxd3!
  • Keys
    • 1.Se5!
      • threat
        • 2.Bd5#
      • 1...Kxe5
        • 2.Qh8#
      • 1...Rxc3
        • 2.Bc6#
      • 1...Bxf3
        • 2.Bxf3#
      • 1...Sxd3
        • 2.Bxd3#
      • 1...Sxc3
        • 2.Sc6#
      • 1...dxe5
        • 2.Qc5#
      • 1...exf5
        • 2.Bxf5#
      • 1...d5
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • P(h);N_GUARD::S(B),XP(g)
    • P(i);N_GUARD::QAB1(K)
  • Tries
    • Try
      • P(H);XP(j)
      • Threat
        • DUALS(4)
      • Vars
        • R(d);SBLOCK,XS(B)::QAB(K)
        • B(c);P_PINB(F),XP(D)::QAB(K)
        • S(b);SBLOCK,XS(B)::QAB(K)
      • Refutation
        • S(a);XP(C)
  • Actual
    • S(J);
    • Threat
      • R(G)+B(F)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(J)::QAB(K)
      • R(d);SBLOCK,XS(B)::R(G)+B(F)
      • B(c);OGATE,P_PINB(F),XP(D)::R(G)+B(F),XB(c)
      • S(a);OGATE,XP(C)::R(G)+B(F),XS(a)
      • S(b);SBLOCK,XS(B)::S(J)
      • P(i);N_GUARD,XS(J)::QAB1(K)
      • P(j);OGATE,XP(H)::R(G)+B(F),XP(j)
      • P(i);::R(G)+B(F),XP(i)
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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).