MESON Chess Problem Database

Problem Display
PID: 66020 (6B1/3R1n1K/1B6/1p2ppp1/b1nNkr1p/2R2p1N/Q7/5q2 w - - 0 1)

Bruch, Wieland

2nd Prize, Ahues-75 JT, 1998

6B1/3R1n1K/1B6/1p2ppp1/b1nNkr1p/2R2p1N/Q7/5q2

#2

8 + 12

45 Schach 2000
6166 FIDE Album (1998-2000) 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Sf2#
    • 1...Qb1
      • 2.Sf2#
    • 1...Qc1
      • 2.Sf2#
    • 1...Qd1
      • 2.Sf2#
    • 1...Qh1
      • 2.Sf2#
    • 1...Qf2
      • 2.Sxf2#
    • 1...Bd1
      • 2.Qa8#
    • 1...Bc2
      • 2.Qa8#
    • 1...Bb3
      • 2.Qa8#
    • 1...Sb2
      • 2.Qd5#
    • 1...Sd2
      • 2.Qd5#
    • 1...Sa3
      • 2.Qd5#
    • 1...Sa5
      • 2.Qd5#
    • 1...Sd6
      • 2.Sxg5#
    • 1...Sh6
      • 2.Sxg5#
      • 2.Bd5#
    • 1...Sd8
      • 2.Sxg5#
      • 2.Bd5#
    • 1...Sh8
      • 2.Sxg5#
      • 2.Bd5#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sc5#
      • 1...Sfd6
        • 2.Sexg5#
      • 1...Qd3
        • 2.Sf2#
      • 1...Qf2
        • 2.Sxf2#
      • 1...Scd6
        • 2.Re3#
      • 1...Qg1!
    • 1.Qb1+?
      • 1...Qd3
        • 2.Qxd3#
      • 1...Qxb1
        • 2.Sf2#
      • 1...Bc2!
    • 1.Qc2+?
      • 1...Qd3
        • 2.Qxd3#
      • 1...Bxc2!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sc5#
      • 1...Bxb3
        • 2.Qa8#
      • 1...Scd6
        • 2.Sd2#
      • 1...Qd3
        • 2.Sf2#
      • 1...Qg1
        • 2.Qc2#
      • 1...Qf2
        • 2.Sxf2#
      • 1...Sfd6
        • 2.Sxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • Q(a);N_GUARD::S(C)
    • Q(a);N_GUARD::S(C),XQ(a)
    • B(c);OGATE::QAB(A)
    • S(d);OGATE::QAB1(A)
    • S(l);N_GUARD::S(C),XP(k)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(l);N_GUARD::S(D),XP(k)
        • Q(a);N_GUARD::S(C)
        • Q(a);N_GUARD::S(C),XQ(a)
        • S(d);N_GUARD::R1(B)
      • Refutation
        • Q(a);
    • Try
      • Q(A);CHECK
      • Vars
        • Q(a);N_GUARD,P_SPINQ(a)::QAB1(A),XQ(a)
        • Q(a);XQ(A)::S(C)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • Q(A);CHECK
      • Vars
        • Q(a);N_GUARD,P_SPINQ(a)::QAB1(A),XQ(a)
      • Refutation
        • B(c);XQ(A)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • B(c);OGATE,XS(D)::QAB(A)
      • S(d);N_GUARD::S(D)
      • Q(a);N_GUARD::S(C)
      • Q(a);N_GUARD::QAB(A)
      • Q(a);N_GUARD::S(C),XQ(a)
      • S(l);N_GUARD::S(C),XP(k)
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).