MESON Chess Problem Database

Problem Display
PID: 161673 (3B2n1/R2Q1p1r/2pP2b1/2N1k1p1/2KR3n/3P4/8/8 w - - 0 1)

Almammedov, Araz

Olimpiya dunyasi, 2006

3B2n1/R2Q1p1r/2pP2b1/2N1k1p1/2KR3n/3P4/8/8

#2

8 + 8

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3+
      • 2.Sxd3#
    • 1...Be4
      • 2.Rxe4#
    • 1...Bh5
      • 2.Re4#
    • 1...Sf5
      • 2.Re4#
    • 1...f5
      • 2.Qe6#
    • 1...f6
      • 2.Qe6#
  • Tries
    • 1.Qe8+?
      • 1...Kf5
        • 2.Qe4#
      • 1...Se7!
    • 1.Qe7+?
      • 1...Kf5
        • 2.Qxg5#
        • 2.Qe4#
      • 1...Sxe7!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Sd7#
      • 1...Bxd3+
        • 2.Sxd3#
      • 1...Bf5
        • 2.Qg3#
      • 1...Sf5
        • 2.Qe4#
      • 1...Sf6
        • 2.Re7#
      • 1...f5
        • 2.Qe2#
      • 1...f6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(e);CHECK,XP(A)::S(D),XB(e)
    • B(e);N_GUARD::R1(C),XB(e)
    • B(e);N_GUARD::R1(C)
    • S(a);S_CUTB(e)::R1(C)
    • P(f);N_GUARD::QAR1(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(G)
      • Refutation
        • S(h);P_SPINS(h)
    • Try
      • Q(G);CHECK
      • Refutation
        • S(h);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • S(D)
    • Vars
      • B(e);CHECK,XP(A)::S(D),XB(e)
      • B(e);SBLOCK::QAB(G)
      • S(a);S_CUTB(e)::QAR1(G)
      • S(h);N_GUARD,SBLOCK::R(F)
      • P(f);SBLOCK,S_CUTB(e)::QAR(G)
      • P(f);N_GUARD::QAR1(G)
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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).