MESON Chess Problem Database

Problem Display
PID: 238281 (Q4R2/3p3B/KB2b1r1/3P4/1pN1kn1R/1N2b1qp/2n1P3/8 w - - 0 1)

Segers, Marcel

Skakbladet, 1933

Q4R2/3p3B/KB2b1r1/3P4/1pN1kn1R/1N2b1qp/2n1P3/8

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sbd2#
    • 1...Bd2
      • 2.Sbxd2#
    • 1...Bf2
      • 2.Sbd2#
    • 1...Bd4
      • 2.Sbd2#
    • 1...Bf5
      • 2.d6#
    • 1...Sd4
      • 2.Sc5#
  • Tries
    • 1.Bxg6+?
      • 1...Bf5
        • 2.Bxf5#
        • 2.Re8#
        • 2.d6#
      • 1...Qxg6!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Sd6#
      • 1...Bf5+
        • 2.d6#
      • 1...Bxd4
        • 2.Sbd2#
      • 1...Sxd4
        • 2.Sc5#
      • 1...d6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(b);N_GUARD::S(B)
    • B(b);N_GUARD::S(B),XB(b)
    • B(h);N_GUARD,N_SPINR(i),P_PINB(G)::QAB(I)+P(E)
    • S(a);SBLOCK,S_CUTB(b)::S(B)
  • Tries
    • Try
      • B(H);CHECK,XR(i)
      • Refutation
        • Q(c);XB(H)
  • Actual
    • B(G);
    • Threat
      • S(C)
    • Vars
      • B(h);CHECK,N_GUARD,N_SPINR(i)::QAB(I)+P(E)
      • B(b);N_GUARD,SBLOCK,XB(G)::S(B)
      • S(a);SBLOCK,XB(G)::S(B)
      • P(j);::S(C),XP(j)
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).